mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-11-25 05:48:26 -05:00
early-access version 1476
This commit is contained in:
pineappleEA
parent
d8bef01911
commit
e0b01c7370
@ -1,7 +1,7 @@
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yuzu emulator early access
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=============
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This is the source code for early-access 1475.
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This is the source code for early-access 1476.
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## Legal Notice
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@ -167,6 +167,7 @@ add_library(common STATIC
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threadsafe_queue.h
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time_zone.cpp
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time_zone.h
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tiny_mt.h
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tree.h
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uint128.h
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uuid.cpp
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@ -42,6 +42,11 @@ requires std::is_integral_v<T>[[nodiscard]] constexpr bool IsAligned(T value, si
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return (value & mask) == 0;
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}
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template <typename T, typename U>
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requires std::is_integral_v<T>[[nodiscard]] constexpr T DivideUp(T x, U y) {
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return (x + (y - 1)) / y;
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}
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template <typename T, size_t Align = 16>
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class AlignmentAllocator {
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public:
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250
src/common/tiny_mt.h
Executable file
250
src/common/tiny_mt.h
Executable file
@ -0,0 +1,250 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include "common/alignment.h"
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#include "common/common_types.h"
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namespace Common {
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// Implementation of TinyMT (mersenne twister RNG).
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// Like Nintendo, we will use the sample parameters.
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class TinyMT {
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public:
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static constexpr std::size_t NumStateWords = 4;
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struct State {
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std::array<u32, NumStateWords> data{};
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};
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private:
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static constexpr u32 ParamMat1 = 0x8F7011EE;
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static constexpr u32 ParamMat2 = 0xFC78FF1F;
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static constexpr u32 ParamTmat = 0x3793FDFF;
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static constexpr u32 ParamMult = 0x6C078965;
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static constexpr u32 ParamPlus = 0x0019660D;
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static constexpr u32 ParamXor = 0x5D588B65;
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static constexpr u32 TopBitmask = 0x7FFFFFFF;
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static constexpr int MinimumInitIterations = 8;
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static constexpr int NumDiscardedInitOutputs = 8;
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static constexpr u32 XorByShifted27(u32 value) {
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return value ^ (value >> 27);
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}
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static constexpr u32 XorByShifted30(u32 value) {
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return value ^ (value >> 30);
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}
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private:
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State state{};
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private:
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// Internal API.
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void FinalizeInitialization() {
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const u32 state0 = this->state.data[0] & TopBitmask;
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const u32 state1 = this->state.data[1];
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const u32 state2 = this->state.data[2];
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const u32 state3 = this->state.data[3];
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if (state0 == 0 && state1 == 0 && state2 == 0 && state3 == 0) {
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this->state.data[0] = 'T';
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this->state.data[1] = 'I';
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this->state.data[2] = 'N';
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this->state.data[3] = 'Y';
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}
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for (int i = 0; i < NumDiscardedInitOutputs; i++) {
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this->GenerateRandomU32();
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}
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}
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u32 GenerateRandomU24() {
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return (this->GenerateRandomU32() >> 8);
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}
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static void GenerateInitialValuePlus(TinyMT::State* state, int index, u32 value) {
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u32& state0 = state->data[(index + 0) % NumStateWords];
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u32& state1 = state->data[(index + 1) % NumStateWords];
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u32& state2 = state->data[(index + 2) % NumStateWords];
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u32& state3 = state->data[(index + 3) % NumStateWords];
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const u32 x = XorByShifted27(state0 ^ state1 ^ state3) * ParamPlus;
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const u32 y = x + index + value;
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state0 = y;
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state1 += x;
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state2 += y;
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}
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static void GenerateInitialValueXor(TinyMT::State* state, int index) {
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u32& state0 = state->data[(index + 0) % NumStateWords];
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u32& state1 = state->data[(index + 1) % NumStateWords];
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u32& state2 = state->data[(index + 2) % NumStateWords];
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u32& state3 = state->data[(index + 3) % NumStateWords];
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const u32 x = XorByShifted27(state0 + state1 + state3) * ParamXor;
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const u32 y = x - index;
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state0 = y;
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state1 ^= x;
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state2 ^= y;
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}
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public:
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constexpr TinyMT() = default;
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// Public API.
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// Initialization.
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void Initialize(u32 seed) {
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this->state.data[0] = seed;
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this->state.data[1] = ParamMat1;
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this->state.data[2] = ParamMat2;
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this->state.data[3] = ParamTmat;
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for (int i = 1; i < MinimumInitIterations; i++) {
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const u32 mixed = XorByShifted30(this->state.data[(i - 1) % NumStateWords]);
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this->state.data[i % NumStateWords] ^= mixed * ParamMult + i;
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}
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this->FinalizeInitialization();
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}
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void Initialize(const u32* seed, int seed_count) {
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this->state.data[0] = 0;
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this->state.data[1] = ParamMat1;
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this->state.data[2] = ParamMat2;
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this->state.data[3] = ParamTmat;
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{
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const int num_init_iterations = std::max(seed_count + 1, MinimumInitIterations) - 1;
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GenerateInitialValuePlus(&this->state, 0, seed_count);
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for (int i = 0; i < num_init_iterations; i++) {
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GenerateInitialValuePlus(&this->state, (i + 1) % NumStateWords,
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(i < seed_count) ? seed[i] : 0);
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}
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for (int i = 0; i < static_cast<int>(NumStateWords); i++) {
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GenerateInitialValueXor(&this->state,
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(i + 1 + num_init_iterations) % NumStateWords);
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}
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}
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this->FinalizeInitialization();
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}
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// State management.
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void GetState(TinyMT::State& out) const {
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out.data = this->state.data;
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}
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void SetState(const TinyMT::State& state_) {
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this->state.data = state_.data;
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}
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// Random generation.
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void GenerateRandomBytes(void* dst, std::size_t size) {
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const uintptr_t start = reinterpret_cast<uintptr_t>(dst);
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const uintptr_t end = start + size;
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const uintptr_t aligned_start = Common::AlignUp(start, 4);
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const uintptr_t aligned_end = Common::AlignDown(end, 4);
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// Make sure we're aligned.
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if (start < aligned_start) {
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const u32 rnd = this->GenerateRandomU32();
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std::memcpy(dst, &rnd, aligned_start - start);
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}
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// Write as many aligned u32s as we can.
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{
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u32* cur_dst = reinterpret_cast<u32*>(aligned_start);
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u32* const end_dst = reinterpret_cast<u32*>(aligned_end);
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while (cur_dst < end_dst) {
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*(cur_dst++) = this->GenerateRandomU32();
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}
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}
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// Handle any leftover unaligned data.
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if (aligned_end < end) {
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const u32 rnd = this->GenerateRandomU32();
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std::memcpy(reinterpret_cast<void*>(aligned_end), &rnd, end - aligned_end);
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}
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}
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u32 GenerateRandomU32() {
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// Advance state.
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const u32 x0 =
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(this->state.data[0] & TopBitmask) ^ this->state.data[1] ^ this->state.data[2];
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const u32 y0 = this->state.data[3];
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const u32 x1 = x0 ^ (x0 << 1);
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const u32 y1 = y0 ^ (y0 >> 1) ^ x1;
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const u32 state0 = this->state.data[1];
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u32 state1 = this->state.data[2];
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u32 state2 = x1 ^ (y1 << 10);
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const u32 state3 = y1;
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if ((y1 & 1) != 0) {
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state1 ^= ParamMat1;
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state2 ^= ParamMat2;
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}
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this->state.data[0] = state0;
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this->state.data[1] = state1;
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this->state.data[2] = state2;
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this->state.data[3] = state3;
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// Temper.
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const u32 t1 = state0 + (state2 >> 8);
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u32 t0 = state3 ^ t1;
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if ((t1 & 1) != 0) {
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t0 ^= ParamTmat;
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}
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return t0;
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}
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u64 GenerateRandomU64() {
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const u32 lo = this->GenerateRandomU32();
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const u32 hi = this->GenerateRandomU32();
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return (u64{hi} << 32) | u64{lo};
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}
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float GenerateRandomF32() {
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// Floats have 24 bits of mantissa.
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constexpr u32 MantissaBits = 24;
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return static_cast<float>(GenerateRandomU24()) * (1.0f / (1U << MantissaBits));
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}
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double GenerateRandomF64() {
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// Doubles have 53 bits of mantissa.
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// The smart way to generate 53 bits of random would be to use 32 bits
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// from the first rnd32() call, and then 21 from the second.
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// Nintendo does not. They use (32 - 5) = 27 bits from the first rnd32()
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// call, and (32 - 6) bits from the second. We'll do what they do, but
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// There's not a clear reason why.
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constexpr u32 MantissaBits = 53;
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constexpr u32 Shift1st = (64 - MantissaBits) / 2;
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constexpr u32 Shift2nd = (64 - MantissaBits) - Shift1st;
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const u32 first = (this->GenerateRandomU32() >> Shift1st);
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const u32 second = (this->GenerateRandomU32() >> Shift2nd);
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return (1.0 * first * (u64{1} << (32 - Shift2nd)) + second) *
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(1.0 / (u64{1} << MantissaBits));
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}
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};
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} // namespace Common
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@ -156,6 +156,8 @@ add_library(core STATIC
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hle/kernel/hle_ipc.h
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hle/kernel/k_address_arbiter.cpp
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hle/kernel/k_address_arbiter.h
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hle/kernel/k_address_space_info.cpp
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hle/kernel/k_address_space_info.h
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hle/kernel/k_affinity_mask.h
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hle/kernel/k_condition_variable.cpp
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hle/kernel/k_condition_variable.h
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@ -164,6 +166,18 @@ add_library(core STATIC
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hle/kernel/k_light_condition_variable.h
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hle/kernel/k_light_lock.cpp
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hle/kernel/k_light_lock.h
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hle/kernel/k_memory_block.h
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hle/kernel/k_memory_block_manager.cpp
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hle/kernel/k_memory_block_manager.h
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hle/kernel/k_memory_layout.h
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hle/kernel/k_memory_manager.cpp
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hle/kernel/k_memory_manager.h
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hle/kernel/k_page_bitmap.h
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hle/kernel/k_page_heap.cpp
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hle/kernel/k_page_heap.h
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hle/kernel/k_page_linked_list.h
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hle/kernel/k_page_table.cpp
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hle/kernel/k_page_table.h
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hle/kernel/k_priority_queue.h
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hle/kernel/k_readable_event.cpp
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hle/kernel/k_readable_event.h
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@ -175,8 +189,15 @@ add_library(core STATIC
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hle/kernel/k_scoped_lock.h
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hle/kernel/k_scoped_resource_reservation.h
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hle/kernel/k_scoped_scheduler_lock_and_sleep.h
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hle/kernel/k_shared_memory.cpp
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hle/kernel/k_shared_memory.h
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hle/kernel/k_slab_heap.h
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hle/kernel/k_spin_lock.cpp
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hle/kernel/k_spin_lock.h
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hle/kernel/k_synchronization_object.cpp
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hle/kernel/k_synchronization_object.h
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hle/kernel/k_system_control.cpp
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hle/kernel/k_system_control.h
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hle/kernel/k_thread.cpp
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hle/kernel/k_thread.h
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hle/kernel/k_thread_queue.h
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@ -184,23 +205,7 @@ add_library(core STATIC
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hle/kernel/k_writable_event.h
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hle/kernel/kernel.cpp
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hle/kernel/kernel.h
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hle/kernel/memory/address_space_info.cpp
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hle/kernel/memory/address_space_info.h
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hle/kernel/memory/memory_block.h
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hle/kernel/memory/memory_block_manager.cpp
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hle/kernel/memory/memory_block_manager.h
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hle/kernel/memory/memory_layout.h
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hle/kernel/memory/memory_manager.cpp
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hle/kernel/memory/memory_manager.h
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hle/kernel/memory/memory_types.h
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hle/kernel/memory/page_linked_list.h
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hle/kernel/memory/page_heap.cpp
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hle/kernel/memory/page_heap.h
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hle/kernel/memory/page_table.cpp
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hle/kernel/memory/page_table.h
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hle/kernel/memory/slab_heap.h
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hle/kernel/memory/system_control.cpp
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hle/kernel/memory/system_control.h
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hle/kernel/memory_types.h
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hle/kernel/object.cpp
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hle/kernel/object.h
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hle/kernel/physical_core.cpp
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@ -218,8 +223,6 @@ add_library(core STATIC
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hle/kernel/service_thread.h
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hle/kernel/session.cpp
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hle/kernel/session.h
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hle/kernel/shared_memory.cpp
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hle/kernel/shared_memory.h
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hle/kernel/svc.cpp
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hle/kernel/svc.h
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hle/kernel/svc_common.h
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117
src/core/hle/kernel/k_address_space_info.cpp
Executable file
117
src/core/hle/kernel/k_address_space_info.cpp
Executable file
@ -0,0 +1,117 @@
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
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#include <array>
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#include "common/assert.h"
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#include "core/hle/kernel/k_address_space_info.h"
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namespace Kernel {
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namespace {
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enum : u64 {
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Size_1_MB = 0x100000,
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Size_2_MB = 2 * Size_1_MB,
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Size_128_MB = 128 * Size_1_MB,
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Size_1_GB = 0x40000000,
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Size_2_GB = 2 * Size_1_GB,
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Size_4_GB = 4 * Size_1_GB,
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Size_6_GB = 6 * Size_1_GB,
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Size_64_GB = 64 * Size_1_GB,
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Size_512_GB = 512 * Size_1_GB,
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Invalid = std::numeric_limits<u64>::max(),
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};
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// clang-format off
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constexpr std::array<KAddressSpaceInfo, 13> AddressSpaceInfos{{
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{ .bit_width = 32, .address = Size_2_MB , .size = Size_1_GB - Size_2_MB , .type = KAddressSpaceInfo::Type::MapSmall, },
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{ .bit_width = 32, .address = Size_1_GB , .size = Size_4_GB - Size_1_GB , .type = KAddressSpaceInfo::Type::MapLarge, },
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{ .bit_width = 32, .address = Invalid , .size = Size_1_GB , .type = KAddressSpaceInfo::Type::Heap, },
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{ .bit_width = 32, .address = Invalid , .size = Size_1_GB , .type = KAddressSpaceInfo::Type::Alias, },
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{ .bit_width = 36, .address = Size_128_MB, .size = Size_2_GB - Size_128_MB, .type = KAddressSpaceInfo::Type::MapSmall, },
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{ .bit_width = 36, .address = Size_2_GB , .size = Size_64_GB - Size_2_GB , .type = KAddressSpaceInfo::Type::MapLarge, },
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{ .bit_width = 36, .address = Invalid , .size = Size_6_GB , .type = KAddressSpaceInfo::Type::Heap, },
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{ .bit_width = 36, .address = Invalid , .size = Size_6_GB , .type = KAddressSpaceInfo::Type::Alias, },
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{ .bit_width = 39, .address = Size_128_MB, .size = Size_512_GB - Size_128_MB, .type = KAddressSpaceInfo::Type::Map39Bit, },
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{ .bit_width = 39, .address = Invalid , .size = Size_64_GB , .type = KAddressSpaceInfo::Type::MapSmall },
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{ .bit_width = 39, .address = Invalid , .size = Size_6_GB , .type = KAddressSpaceInfo::Type::Heap, },
|
||||
{ .bit_width = 39, .address = Invalid , .size = Size_64_GB , .type = KAddressSpaceInfo::Type::Alias, },
|
||||
{ .bit_width = 39, .address = Invalid , .size = Size_2_GB , .type = KAddressSpaceInfo::Type::Stack, },
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||||
}};
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||||
// clang-format on
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||||
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||||
constexpr bool IsAllowedIndexForAddress(std::size_t index) {
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||||
return index < AddressSpaceInfos.size() && AddressSpaceInfos[index].address != Invalid;
|
||||
}
|
||||
|
||||
using IndexArray =
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||||
std::array<std::size_t, static_cast<std::size_t>(KAddressSpaceInfo::Type::Count)>;
|
||||
|
||||
constexpr IndexArray AddressSpaceIndices32Bit{
|
||||
0, 1, 0, 2, 0, 3,
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||||
};
|
||||
|
||||
constexpr IndexArray AddressSpaceIndices36Bit{
|
||||
4, 5, 4, 6, 4, 7,
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||||
};
|
||||
|
||||
constexpr IndexArray AddressSpaceIndices39Bit{
|
||||
9, 8, 8, 10, 12, 11,
|
||||
};
|
||||
|
||||
constexpr bool IsAllowed32BitType(KAddressSpaceInfo::Type type) {
|
||||
return type < KAddressSpaceInfo::Type::Count && type != KAddressSpaceInfo::Type::Map39Bit &&
|
||||
type != KAddressSpaceInfo::Type::Stack;
|
||||
}
|
||||
|
||||
constexpr bool IsAllowed36BitType(KAddressSpaceInfo::Type type) {
|
||||
return type < KAddressSpaceInfo::Type::Count && type != KAddressSpaceInfo::Type::Map39Bit &&
|
||||
type != KAddressSpaceInfo::Type::Stack;
|
||||
}
|
||||
|
||||
constexpr bool IsAllowed39BitType(KAddressSpaceInfo::Type type) {
|
||||
return type < KAddressSpaceInfo::Type::Count && type != KAddressSpaceInfo::Type::MapLarge;
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
u64 KAddressSpaceInfo::GetAddressSpaceStart(std::size_t width, Type type) {
|
||||
const std::size_t index{static_cast<std::size_t>(type)};
|
||||
switch (width) {
|
||||
case 32:
|
||||
ASSERT(IsAllowed32BitType(type));
|
||||
ASSERT(IsAllowedIndexForAddress(AddressSpaceIndices32Bit[index]));
|
||||
return AddressSpaceInfos[AddressSpaceIndices32Bit[index]].address;
|
||||
case 36:
|
||||
ASSERT(IsAllowed36BitType(type));
|
||||
ASSERT(IsAllowedIndexForAddress(AddressSpaceIndices36Bit[index]));
|
||||
return AddressSpaceInfos[AddressSpaceIndices36Bit[index]].address;
|
||||
case 39:
|
||||
ASSERT(IsAllowed39BitType(type));
|
||||
ASSERT(IsAllowedIndexForAddress(AddressSpaceIndices39Bit[index]));
|
||||
return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].address;
|
||||
}
|
||||
UNREACHABLE();
|
||||
return 0;
|
||||
}
|
||||
|
||||
std::size_t KAddressSpaceInfo::GetAddressSpaceSize(std::size_t width, Type type) {
|
||||
const std::size_t index{static_cast<std::size_t>(type)};
|
||||
switch (width) {
|
||||
case 32:
|
||||
ASSERT(IsAllowed32BitType(type));
|
||||
return AddressSpaceInfos[AddressSpaceIndices32Bit[index]].size;
|
||||
case 36:
|
||||
ASSERT(IsAllowed36BitType(type));
|
||||
return AddressSpaceInfos[AddressSpaceIndices36Bit[index]].size;
|
||||
case 39:
|
||||
ASSERT(IsAllowed39BitType(type));
|
||||
return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].size;
|
||||
}
|
||||
UNREACHABLE();
|
||||
return 0;
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
||||
31
src/core/hle/kernel/k_address_space_info.h
Executable file
31
src/core/hle/kernel/k_address_space_info.h
Executable file
@ -0,0 +1,31 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
struct KAddressSpaceInfo final {
|
||||
enum class Type : u32 {
|
||||
MapSmall = 0,
|
||||
MapLarge = 1,
|
||||
Map39Bit = 2,
|
||||
Heap = 3,
|
||||
Stack = 4,
|
||||
Alias = 5,
|
||||
Count,
|
||||
};
|
||||
|
||||
static u64 GetAddressSpaceStart(std::size_t width, Type type);
|
||||
static std::size_t GetAddressSpaceSize(std::size_t width, Type type);
|
||||
|
||||
const std::size_t bit_width{};
|
||||
const std::size_t address{};
|
||||
const std::size_t size{};
|
||||
const Type type{};
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
332
src/core/hle/kernel/k_memory_block.h
Executable file
332
src/core/hle/kernel/k_memory_block.h
Executable file
@ -0,0 +1,332 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/alignment.h"
|
||||
#include "common/assert.h"
|
||||
#include "common/common_types.h"
|
||||
#include "core/hle/kernel/memory_types.h"
|
||||
#include "core/hle/kernel/svc_types.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
enum class KMemoryState : u32 {
|
||||
None = 0,
|
||||
Mask = 0xFF,
|
||||
All = ~None,
|
||||
|
||||
FlagCanReprotect = (1 << 8),
|
||||
FlagCanDebug = (1 << 9),
|
||||
FlagCanUseIpc = (1 << 10),
|
||||
FlagCanUseNonDeviceIpc = (1 << 11),
|
||||
FlagCanUseNonSecureIpc = (1 << 12),
|
||||
FlagMapped = (1 << 13),
|
||||
FlagCode = (1 << 14),
|
||||
FlagCanAlias = (1 << 15),
|
||||
FlagCanCodeAlias = (1 << 16),
|
||||
FlagCanTransfer = (1 << 17),
|
||||
FlagCanQueryPhysical = (1 << 18),
|
||||
FlagCanDeviceMap = (1 << 19),
|
||||
FlagCanAlignedDeviceMap = (1 << 20),
|
||||
FlagCanIpcUserBuffer = (1 << 21),
|
||||
FlagReferenceCounted = (1 << 22),
|
||||
FlagCanMapProcess = (1 << 23),
|
||||
FlagCanChangeAttribute = (1 << 24),
|
||||
FlagCanCodeMemory = (1 << 25),
|
||||
|
||||
FlagsData = FlagCanReprotect | FlagCanUseIpc | FlagCanUseNonDeviceIpc | FlagCanUseNonSecureIpc |
|
||||
FlagMapped | FlagCanAlias | FlagCanTransfer | FlagCanQueryPhysical |
|
||||
FlagCanDeviceMap | FlagCanAlignedDeviceMap | FlagCanIpcUserBuffer |
|
||||
FlagReferenceCounted | FlagCanChangeAttribute,
|
||||
|
||||
FlagsCode = FlagCanDebug | FlagCanUseIpc | FlagCanUseNonDeviceIpc | FlagCanUseNonSecureIpc |
|
||||
FlagMapped | FlagCode | FlagCanQueryPhysical | FlagCanDeviceMap |
|
||||
FlagCanAlignedDeviceMap | FlagReferenceCounted,
|
||||
|
||||
FlagsMisc = FlagMapped | FlagReferenceCounted | FlagCanQueryPhysical | FlagCanDeviceMap,
|
||||
|
||||
Free = static_cast<u32>(Svc::MemoryState::Free),
|
||||
Io = static_cast<u32>(Svc::MemoryState::Io) | FlagMapped,
|
||||
Static = static_cast<u32>(Svc::MemoryState::Static) | FlagMapped | FlagCanQueryPhysical,
|
||||
Code = static_cast<u32>(Svc::MemoryState::Code) | FlagsCode | FlagCanMapProcess,
|
||||
CodeData = static_cast<u32>(Svc::MemoryState::CodeData) | FlagsData | FlagCanMapProcess |
|
||||
FlagCanCodeMemory,
|
||||
Shared = static_cast<u32>(Svc::MemoryState::Shared) | FlagMapped | FlagReferenceCounted,
|
||||
Normal = static_cast<u32>(Svc::MemoryState::Normal) | FlagsData | FlagCanCodeMemory,
|
||||
|
||||
AliasCode = static_cast<u32>(Svc::MemoryState::AliasCode) | FlagsCode | FlagCanMapProcess |
|
||||
FlagCanCodeAlias,
|
||||
AliasCodeData = static_cast<u32>(Svc::MemoryState::AliasCodeData) | FlagsData |
|
||||
FlagCanMapProcess | FlagCanCodeAlias | FlagCanCodeMemory,
|
||||
|
||||
Ipc = static_cast<u32>(Svc::MemoryState::Ipc) | FlagsMisc | FlagCanAlignedDeviceMap |
|
||||
FlagCanUseIpc | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc,
|
||||
|
||||
Stack = static_cast<u32>(Svc::MemoryState::Stack) | FlagsMisc | FlagCanAlignedDeviceMap |
|
||||
FlagCanUseIpc | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc,
|
||||
|
||||
ThreadLocal =
|
||||
static_cast<u32>(Svc::MemoryState::ThreadLocal) | FlagMapped | FlagReferenceCounted,
|
||||
|
||||
Transferred = static_cast<u32>(Svc::MemoryState::Transferred) | FlagsMisc |
|
||||
FlagCanAlignedDeviceMap | FlagCanChangeAttribute | FlagCanUseIpc |
|
||||
FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc,
|
||||
|
||||
SharedTransferred = static_cast<u32>(Svc::MemoryState::SharedTransferred) | FlagsMisc |
|
||||
FlagCanAlignedDeviceMap | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc,
|
||||
|
||||
SharedCode = static_cast<u32>(Svc::MemoryState::SharedCode) | FlagMapped |
|
||||
FlagReferenceCounted | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc,
|
||||
|
||||
Inaccessible = static_cast<u32>(Svc::MemoryState::Inaccessible),
|
||||
|
||||
NonSecureIpc = static_cast<u32>(Svc::MemoryState::NonSecureIpc) | FlagsMisc |
|
||||
FlagCanAlignedDeviceMap | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc,
|
||||
|
||||
NonDeviceIpc =
|
||||
static_cast<u32>(Svc::MemoryState::NonDeviceIpc) | FlagsMisc | FlagCanUseNonDeviceIpc,
|
||||
|
||||
Kernel = static_cast<u32>(Svc::MemoryState::Kernel) | FlagMapped,
|
||||
|
||||
GeneratedCode = static_cast<u32>(Svc::MemoryState::GeneratedCode) | FlagMapped |
|
||||
FlagReferenceCounted | FlagCanDebug,
|
||||
CodeOut = static_cast<u32>(Svc::MemoryState::CodeOut) | FlagMapped | FlagReferenceCounted,
|
||||
};
|
||||
DECLARE_ENUM_FLAG_OPERATORS(KMemoryState);
|
||||
|
||||
static_assert(static_cast<u32>(KMemoryState::Free) == 0x00000000);
|
||||
static_assert(static_cast<u32>(KMemoryState::Io) == 0x00002001);
|
||||
static_assert(static_cast<u32>(KMemoryState::Static) == 0x00042002);
|
||||
static_assert(static_cast<u32>(KMemoryState::Code) == 0x00DC7E03);
|
||||
static_assert(static_cast<u32>(KMemoryState::CodeData) == 0x03FEBD04);
|
||||
static_assert(static_cast<u32>(KMemoryState::Normal) == 0x037EBD05);
|
||||
static_assert(static_cast<u32>(KMemoryState::Shared) == 0x00402006);
|
||||
static_assert(static_cast<u32>(KMemoryState::AliasCode) == 0x00DD7E08);
|
||||
static_assert(static_cast<u32>(KMemoryState::AliasCodeData) == 0x03FFBD09);
|
||||
static_assert(static_cast<u32>(KMemoryState::Ipc) == 0x005C3C0A);
|
||||
static_assert(static_cast<u32>(KMemoryState::Stack) == 0x005C3C0B);
|
||||
static_assert(static_cast<u32>(KMemoryState::ThreadLocal) == 0x0040200C);
|
||||
static_assert(static_cast<u32>(KMemoryState::Transferred) == 0x015C3C0D);
|
||||
static_assert(static_cast<u32>(KMemoryState::SharedTransferred) == 0x005C380E);
|
||||
static_assert(static_cast<u32>(KMemoryState::SharedCode) == 0x0040380F);
|
||||
static_assert(static_cast<u32>(KMemoryState::Inaccessible) == 0x00000010);
|
||||
static_assert(static_cast<u32>(KMemoryState::NonSecureIpc) == 0x005C3811);
|
||||
static_assert(static_cast<u32>(KMemoryState::NonDeviceIpc) == 0x004C2812);
|
||||
static_assert(static_cast<u32>(KMemoryState::Kernel) == 0x00002013);
|
||||
static_assert(static_cast<u32>(KMemoryState::GeneratedCode) == 0x00402214);
|
||||
static_assert(static_cast<u32>(KMemoryState::CodeOut) == 0x00402015);
|
||||
|
||||
enum class KMemoryPermission : u8 {
|
||||
None = 0,
|
||||
Mask = static_cast<u8>(~None),
|
||||
|
||||
Read = 1 << 0,
|
||||
Write = 1 << 1,
|
||||
Execute = 1 << 2,
|
||||
|
||||
ReadAndWrite = Read | Write,
|
||||
ReadAndExecute = Read | Execute,
|
||||
|
||||
UserMask = static_cast<u8>(Svc::MemoryPermission::Read | Svc::MemoryPermission::Write |
|
||||
Svc::MemoryPermission::Execute),
|
||||
};
|
||||
DECLARE_ENUM_FLAG_OPERATORS(KMemoryPermission);
|
||||
|
||||
enum class KMemoryAttribute : u8 {
|
||||
None = 0x00,
|
||||
Mask = 0x7F,
|
||||
All = Mask,
|
||||
DontCareMask = 0x80,
|
||||
|
||||
Locked = static_cast<u8>(Svc::MemoryAttribute::Locked),
|
||||
IpcLocked = static_cast<u8>(Svc::MemoryAttribute::IpcLocked),
|
||||
DeviceShared = static_cast<u8>(Svc::MemoryAttribute::DeviceShared),
|
||||
Uncached = static_cast<u8>(Svc::MemoryAttribute::Uncached),
|
||||
|
||||
IpcAndDeviceMapped = IpcLocked | DeviceShared,
|
||||
LockedAndIpcLocked = Locked | IpcLocked,
|
||||
DeviceSharedAndUncached = DeviceShared | Uncached
|
||||
};
|
||||
DECLARE_ENUM_FLAG_OPERATORS(KMemoryAttribute);
|
||||
|
||||
static_assert((static_cast<u8>(KMemoryAttribute::Mask) &
|
||||
static_cast<u8>(KMemoryAttribute::DontCareMask)) == 0);
|
||||
|
||||
struct KMemoryInfo {
|
||||
VAddr addr{};
|
||||
std::size_t size{};
|
||||
KMemoryState state{};
|
||||
KMemoryPermission perm{};
|
||||
KMemoryAttribute attribute{};
|
||||
KMemoryPermission original_perm{};
|
||||
u16 ipc_lock_count{};
|
||||
u16 device_use_count{};
|
||||
|
||||
constexpr Svc::MemoryInfo GetSvcMemoryInfo() const {
|
||||
return {
|
||||
addr,
|
||||
size,
|
||||
static_cast<Svc::MemoryState>(state & KMemoryState::Mask),
|
||||
static_cast<Svc::MemoryAttribute>(attribute & KMemoryAttribute::Mask),
|
||||
static_cast<Svc::MemoryPermission>(perm & KMemoryPermission::UserMask),
|
||||
ipc_lock_count,
|
||||
device_use_count,
|
||||
};
|
||||
}
|
||||
|
||||
constexpr VAddr GetAddress() const {
|
||||
return addr;
|
||||
}
|
||||
constexpr std::size_t GetSize() const {
|
||||
return size;
|
||||
}
|
||||
constexpr std::size_t GetNumPages() const {
|
||||
return GetSize() / PageSize;
|
||||
}
|
||||
constexpr VAddr GetEndAddress() const {
|
||||
return GetAddress() + GetSize();
|
||||
}
|
||||
constexpr VAddr GetLastAddress() const {
|
||||
return GetEndAddress() - 1;
|
||||
}
|
||||
};
|
||||
|
||||
class KMemoryBlock final {
|
||||
friend class KMemoryBlockManager;
|
||||
|
||||
private:
|
||||
VAddr addr{};
|
||||
std::size_t num_pages{};
|
||||
KMemoryState state{KMemoryState::None};
|
||||
u16 ipc_lock_count{};
|
||||
u16 device_use_count{};
|
||||
KMemoryPermission perm{KMemoryPermission::None};
|
||||
KMemoryPermission original_perm{KMemoryPermission::None};
|
||||
KMemoryAttribute attribute{KMemoryAttribute::None};
|
||||
|
||||
public:
|
||||
static constexpr int Compare(const KMemoryBlock& lhs, const KMemoryBlock& rhs) {
|
||||
if (lhs.GetAddress() < rhs.GetAddress()) {
|
||||
return -1;
|
||||
} else if (lhs.GetAddress() <= rhs.GetLastAddress()) {
|
||||
return 0;
|
||||
} else {
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
constexpr KMemoryBlock() = default;
|
||||
constexpr KMemoryBlock(VAddr addr_, std::size_t num_pages_, KMemoryState state_,
|
||||
KMemoryPermission perm_, KMemoryAttribute attribute_)
|
||||
: addr{addr_}, num_pages(num_pages_), state{state_}, perm{perm_}, attribute{attribute_} {}
|
||||
|
||||
constexpr VAddr GetAddress() const {
|
||||
return addr;
|
||||
}
|
||||
|
||||
constexpr std::size_t GetNumPages() const {
|
||||
return num_pages;
|
||||
}
|
||||
|
||||
constexpr std::size_t GetSize() const {
|
||||
return GetNumPages() * PageSize;
|
||||
}
|
||||
|
||||
constexpr VAddr GetEndAddress() const {
|
||||
return GetAddress() + GetSize();
|
||||
}
|
||||
|
||||
constexpr VAddr GetLastAddress() const {
|
||||
return GetEndAddress() - 1;
|
||||
}
|
||||
|
||||
constexpr KMemoryInfo GetMemoryInfo() const {
|
||||
return {
|
||||
GetAddress(), GetSize(), state, perm,
|
||||
attribute, original_perm, ipc_lock_count, device_use_count,
|
||||
};
|
||||
}
|
||||
|
||||
void ShareToDevice(KMemoryPermission /*new_perm*/) {
|
||||
ASSERT((attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared ||
|
||||
device_use_count == 0);
|
||||
attribute |= KMemoryAttribute::DeviceShared;
|
||||
const u16 new_use_count{++device_use_count};
|
||||
ASSERT(new_use_count > 0);
|
||||
}
|
||||
|
||||
void UnshareToDevice(KMemoryPermission /*new_perm*/) {
|
||||
ASSERT((attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared);
|
||||
const u16 prev_use_count{device_use_count--};
|
||||
ASSERT(prev_use_count > 0);
|
||||
if (prev_use_count == 1) {
|
||||
attribute &= ~KMemoryAttribute::DeviceShared;
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
constexpr bool HasProperties(KMemoryState s, KMemoryPermission p, KMemoryAttribute a) const {
|
||||
constexpr KMemoryAttribute AttributeIgnoreMask{KMemoryAttribute::DontCareMask |
|
||||
KMemoryAttribute::IpcLocked |
|
||||
KMemoryAttribute::DeviceShared};
|
||||
return state == s && perm == p &&
|
||||
(attribute | AttributeIgnoreMask) == (a | AttributeIgnoreMask);
|
||||
}
|
||||
|
||||
constexpr bool HasSameProperties(const KMemoryBlock& rhs) const {
|
||||
return state == rhs.state && perm == rhs.perm && original_perm == rhs.original_perm &&
|
||||
attribute == rhs.attribute && ipc_lock_count == rhs.ipc_lock_count &&
|
||||
device_use_count == rhs.device_use_count;
|
||||
}
|
||||
|
||||
constexpr bool Contains(VAddr start) const {
|
||||
return GetAddress() <= start && start <= GetEndAddress();
|
||||
}
|
||||
|
||||
constexpr void Add(std::size_t count) {
|
||||
ASSERT(count > 0);
|
||||
ASSERT(GetAddress() + count * PageSize - 1 < GetEndAddress() + count * PageSize - 1);
|
||||
|
||||
num_pages += count;
|
||||
}
|
||||
|
||||
constexpr void Update(KMemoryState new_state, KMemoryPermission new_perm,
|
||||
KMemoryAttribute new_attribute) {
|
||||
ASSERT(original_perm == KMemoryPermission::None);
|
||||
ASSERT((attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::None);
|
||||
|
||||
state = new_state;
|
||||
perm = new_perm;
|
||||
|
||||
attribute = static_cast<KMemoryAttribute>(
|
||||
new_attribute |
|
||||
(attribute & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)));
|
||||
}
|
||||
|
||||
constexpr KMemoryBlock Split(VAddr split_addr) {
|
||||
ASSERT(GetAddress() < split_addr);
|
||||
ASSERT(Contains(split_addr));
|
||||
ASSERT(Common::IsAligned(split_addr, PageSize));
|
||||
|
||||
KMemoryBlock block;
|
||||
block.addr = addr;
|
||||
block.num_pages = (split_addr - GetAddress()) / PageSize;
|
||||
block.state = state;
|
||||
block.ipc_lock_count = ipc_lock_count;
|
||||
block.device_use_count = device_use_count;
|
||||
block.perm = perm;
|
||||
block.original_perm = original_perm;
|
||||
block.attribute = attribute;
|
||||
|
||||
addr = split_addr;
|
||||
num_pages -= block.num_pages;
|
||||
|
||||
return block;
|
||||
}
|
||||
};
|
||||
static_assert(std::is_trivially_destructible<KMemoryBlock>::value);
|
||||
|
||||
} // namespace Kernel
|
||||
223
src/core/hle/kernel/k_memory_block_manager.cpp
Executable file
223
src/core/hle/kernel/k_memory_block_manager.cpp
Executable file
@ -0,0 +1,223 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "core/hle/kernel/k_memory_block_manager.h"
|
||||
#include "core/hle/kernel/memory_types.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
KMemoryBlockManager::KMemoryBlockManager(VAddr start_addr, VAddr end_addr)
|
||||
: start_addr{start_addr}, end_addr{end_addr} {
|
||||
const u64 num_pages{(end_addr - start_addr) / PageSize};
|
||||
memory_block_tree.emplace_back(start_addr, num_pages, KMemoryState::Free,
|
||||
KMemoryPermission::None, KMemoryAttribute::None);
|
||||
}
|
||||
|
||||
KMemoryBlockManager::iterator KMemoryBlockManager::FindIterator(VAddr addr) {
|
||||
auto node{memory_block_tree.begin()};
|
||||
while (node != end()) {
|
||||
const VAddr end_addr{node->GetNumPages() * PageSize + node->GetAddress()};
|
||||
if (node->GetAddress() <= addr && end_addr - 1 >= addr) {
|
||||
return node;
|
||||
}
|
||||
node = std::next(node);
|
||||
}
|
||||
return end();
|
||||
}
|
||||
|
||||
VAddr KMemoryBlockManager::FindFreeArea(VAddr region_start, std::size_t region_num_pages,
|
||||
std::size_t num_pages, std::size_t align,
|
||||
std::size_t offset, std::size_t guard_pages) {
|
||||
if (num_pages == 0) {
|
||||
return {};
|
||||
}
|
||||
|
||||
const VAddr region_end{region_start + region_num_pages * PageSize};
|
||||
const VAddr region_last{region_end - 1};
|
||||
for (auto it{FindIterator(region_start)}; it != memory_block_tree.cend(); it++) {
|
||||
const auto info{it->GetMemoryInfo()};
|
||||
if (region_last < info.GetAddress()) {
|
||||
break;
|
||||
}
|
||||
|
||||
if (info.state != KMemoryState::Free) {
|
||||
continue;
|
||||
}
|
||||
|
||||
VAddr area{(info.GetAddress() <= region_start) ? region_start : info.GetAddress()};
|
||||
area += guard_pages * PageSize;
|
||||
|
||||
const VAddr offset_area{Common::AlignDown(area, align) + offset};
|
||||
area = (area <= offset_area) ? offset_area : offset_area + align;
|
||||
|
||||
const VAddr area_end{area + num_pages * PageSize + guard_pages * PageSize};
|
||||
const VAddr area_last{area_end - 1};
|
||||
|
||||
if (info.GetAddress() <= area && area < area_last && area_last <= region_last &&
|
||||
area_last <= info.GetLastAddress()) {
|
||||
return area;
|
||||
}
|
||||
}
|
||||
|
||||
return {};
|
||||
}
|
||||
|
||||
void KMemoryBlockManager::Update(VAddr addr, std::size_t num_pages, KMemoryState prev_state,
|
||||
KMemoryPermission prev_perm, KMemoryAttribute prev_attribute,
|
||||
KMemoryState state, KMemoryPermission perm,
|
||||
KMemoryAttribute attribute) {
|
||||
const VAddr end_addr{addr + num_pages * PageSize};
|
||||
iterator node{memory_block_tree.begin()};
|
||||
|
||||
prev_attribute |= KMemoryAttribute::IpcAndDeviceMapped;
|
||||
|
||||
while (node != memory_block_tree.end()) {
|
||||
KMemoryBlock* block{&(*node)};
|
||||
iterator next_node{std::next(node)};
|
||||
const VAddr cur_addr{block->GetAddress()};
|
||||
const VAddr cur_end_addr{block->GetNumPages() * PageSize + cur_addr};
|
||||
|
||||
if (addr < cur_end_addr && cur_addr < end_addr) {
|
||||
if (!block->HasProperties(prev_state, prev_perm, prev_attribute)) {
|
||||
node = next_node;
|
||||
continue;
|
||||
}
|
||||
|
||||
iterator new_node{node};
|
||||
if (addr > cur_addr) {
|
||||
memory_block_tree.insert(node, block->Split(addr));
|
||||
}
|
||||
|
||||
if (end_addr < cur_end_addr) {
|
||||
new_node = memory_block_tree.insert(node, block->Split(end_addr));
|
||||
}
|
||||
|
||||
new_node->Update(state, perm, attribute);
|
||||
|
||||
MergeAdjacent(new_node, next_node);
|
||||
}
|
||||
|
||||
if (cur_end_addr - 1 >= end_addr - 1) {
|
||||
break;
|
||||
}
|
||||
|
||||
node = next_node;
|
||||
}
|
||||
}
|
||||
|
||||
void KMemoryBlockManager::Update(VAddr addr, std::size_t num_pages, KMemoryState state,
|
||||
KMemoryPermission perm, KMemoryAttribute attribute) {
|
||||
const VAddr end_addr{addr + num_pages * PageSize};
|
||||
iterator node{memory_block_tree.begin()};
|
||||
|
||||
while (node != memory_block_tree.end()) {
|
||||
KMemoryBlock* block{&(*node)};
|
||||
iterator next_node{std::next(node)};
|
||||
const VAddr cur_addr{block->GetAddress()};
|
||||
const VAddr cur_end_addr{block->GetNumPages() * PageSize + cur_addr};
|
||||
|
||||
if (addr < cur_end_addr && cur_addr < end_addr) {
|
||||
iterator new_node{node};
|
||||
|
||||
if (addr > cur_addr) {
|
||||
memory_block_tree.insert(node, block->Split(addr));
|
||||
}
|
||||
|
||||
if (end_addr < cur_end_addr) {
|
||||
new_node = memory_block_tree.insert(node, block->Split(end_addr));
|
||||
}
|
||||
|
||||
new_node->Update(state, perm, attribute);
|
||||
|
||||
MergeAdjacent(new_node, next_node);
|
||||
}
|
||||
|
||||
if (cur_end_addr - 1 >= end_addr - 1) {
|
||||
break;
|
||||
}
|
||||
|
||||
node = next_node;
|
||||
}
|
||||
}
|
||||
|
||||
void KMemoryBlockManager::UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func,
|
||||
KMemoryPermission perm) {
|
||||
const VAddr end_addr{addr + num_pages * PageSize};
|
||||
iterator node{memory_block_tree.begin()};
|
||||
|
||||
while (node != memory_block_tree.end()) {
|
||||
KMemoryBlock* block{&(*node)};
|
||||
iterator next_node{std::next(node)};
|
||||
const VAddr cur_addr{block->GetAddress()};
|
||||
const VAddr cur_end_addr{block->GetNumPages() * PageSize + cur_addr};
|
||||
|
||||
if (addr < cur_end_addr && cur_addr < end_addr) {
|
||||
iterator new_node{node};
|
||||
|
||||
if (addr > cur_addr) {
|
||||
memory_block_tree.insert(node, block->Split(addr));
|
||||
}
|
||||
|
||||
if (end_addr < cur_end_addr) {
|
||||
new_node = memory_block_tree.insert(node, block->Split(end_addr));
|
||||
}
|
||||
|
||||
lock_func(new_node, perm);
|
||||
|
||||
MergeAdjacent(new_node, next_node);
|
||||
}
|
||||
|
||||
if (cur_end_addr - 1 >= end_addr - 1) {
|
||||
break;
|
||||
}
|
||||
|
||||
node = next_node;
|
||||
}
|
||||
}
|
||||
|
||||
void KMemoryBlockManager::IterateForRange(VAddr start, VAddr end, IterateFunc&& func) {
|
||||
const_iterator it{FindIterator(start)};
|
||||
KMemoryInfo info{};
|
||||
do {
|
||||
info = it->GetMemoryInfo();
|
||||
func(info);
|
||||
it = std::next(it);
|
||||
} while (info.addr + info.size - 1 < end - 1 && it != cend());
|
||||
}
|
||||
|
||||
void KMemoryBlockManager::MergeAdjacent(iterator it, iterator& next_it) {
|
||||
KMemoryBlock* block{&(*it)};
|
||||
|
||||
auto EraseIt = [&](const iterator it_to_erase) {
|
||||
if (next_it == it_to_erase) {
|
||||
next_it = std::next(next_it);
|
||||
}
|
||||
memory_block_tree.erase(it_to_erase);
|
||||
};
|
||||
|
||||
if (it != memory_block_tree.begin()) {
|
||||
KMemoryBlock* prev{&(*std::prev(it))};
|
||||
|
||||
if (block->HasSameProperties(*prev)) {
|
||||
const iterator prev_it{std::prev(it)};
|
||||
|
||||
prev->Add(block->GetNumPages());
|
||||
EraseIt(it);
|
||||
|
||||
it = prev_it;
|
||||
block = prev;
|
||||
}
|
||||
}
|
||||
|
||||
if (it != cend()) {
|
||||
const KMemoryBlock* const next{&(*std::next(it))};
|
||||
|
||||
if (block->HasSameProperties(*next)) {
|
||||
block->Add(next->GetNumPages());
|
||||
EraseIt(std::next(it));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
||||
67
src/core/hle/kernel/k_memory_block_manager.h
Executable file
67
src/core/hle/kernel/k_memory_block_manager.h
Executable file
@ -0,0 +1,67 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <functional>
|
||||
#include <list>
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "core/hle/kernel/k_memory_block.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KMemoryBlockManager final {
|
||||
public:
|
||||
using MemoryBlockTree = std::list<KMemoryBlock>;
|
||||
using iterator = MemoryBlockTree::iterator;
|
||||
using const_iterator = MemoryBlockTree::const_iterator;
|
||||
|
||||
public:
|
||||
KMemoryBlockManager(VAddr start_addr, VAddr end_addr);
|
||||
|
||||
iterator end() {
|
||||
return memory_block_tree.end();
|
||||
}
|
||||
const_iterator end() const {
|
||||
return memory_block_tree.end();
|
||||
}
|
||||
const_iterator cend() const {
|
||||
return memory_block_tree.cend();
|
||||
}
|
||||
|
||||
iterator FindIterator(VAddr addr);
|
||||
|
||||
VAddr FindFreeArea(VAddr region_start, std::size_t region_num_pages, std::size_t num_pages,
|
||||
std::size_t align, std::size_t offset, std::size_t guard_pages);
|
||||
|
||||
void Update(VAddr addr, std::size_t num_pages, KMemoryState prev_state,
|
||||
KMemoryPermission prev_perm, KMemoryAttribute prev_attribute, KMemoryState state,
|
||||
KMemoryPermission perm, KMemoryAttribute attribute);
|
||||
|
||||
void Update(VAddr addr, std::size_t num_pages, KMemoryState state,
|
||||
KMemoryPermission perm = KMemoryPermission::None,
|
||||
KMemoryAttribute attribute = KMemoryAttribute::None);
|
||||
|
||||
using LockFunc = std::function<void(iterator, KMemoryPermission)>;
|
||||
void UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func,
|
||||
KMemoryPermission perm);
|
||||
|
||||
using IterateFunc = std::function<void(const KMemoryInfo&)>;
|
||||
void IterateForRange(VAddr start, VAddr end, IterateFunc&& func);
|
||||
|
||||
KMemoryBlock& FindBlock(VAddr addr) {
|
||||
return *FindIterator(addr);
|
||||
}
|
||||
|
||||
private:
|
||||
void MergeAdjacent(iterator it, iterator& next_it);
|
||||
|
||||
[[maybe_unused]] const VAddr start_addr;
|
||||
[[maybe_unused]] const VAddr end_addr;
|
||||
|
||||
MemoryBlockTree memory_block_tree;
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
90
src/core/hle/kernel/k_memory_layout.h
Executable file
90
src/core/hle/kernel/k_memory_layout.h
Executable file
@ -0,0 +1,90 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "core/device_memory.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
constexpr std::size_t KernelAslrAlignment = 2 * 1024 * 1024;
|
||||
constexpr std::size_t KernelVirtualAddressSpaceWidth = 1ULL << 39;
|
||||
constexpr std::size_t KernelPhysicalAddressSpaceWidth = 1ULL << 48;
|
||||
constexpr std::size_t KernelVirtualAddressSpaceBase = 0ULL - KernelVirtualAddressSpaceWidth;
|
||||
constexpr std::size_t KernelVirtualAddressSpaceEnd =
|
||||
KernelVirtualAddressSpaceBase + (KernelVirtualAddressSpaceWidth - KernelAslrAlignment);
|
||||
constexpr std::size_t KernelVirtualAddressSpaceLast = KernelVirtualAddressSpaceEnd - 1;
|
||||
constexpr std::size_t KernelVirtualAddressSpaceSize =
|
||||
KernelVirtualAddressSpaceEnd - KernelVirtualAddressSpaceBase;
|
||||
|
||||
constexpr bool IsKernelAddressKey(VAddr key) {
|
||||
return KernelVirtualAddressSpaceBase <= key && key <= KernelVirtualAddressSpaceLast;
|
||||
}
|
||||
|
||||
constexpr bool IsKernelAddress(VAddr address) {
|
||||
return KernelVirtualAddressSpaceBase <= address && address < KernelVirtualAddressSpaceEnd;
|
||||
}
|
||||
|
||||
class KMemoryRegion final {
|
||||
friend class KMemoryLayout;
|
||||
|
||||
public:
|
||||
constexpr PAddr StartAddress() const {
|
||||
return start_address;
|
||||
}
|
||||
|
||||
constexpr PAddr EndAddress() const {
|
||||
return end_address;
|
||||
}
|
||||
|
||||
private:
|
||||
constexpr KMemoryRegion() = default;
|
||||
constexpr KMemoryRegion(PAddr start_address, PAddr end_address)
|
||||
: start_address{start_address}, end_address{end_address} {}
|
||||
|
||||
const PAddr start_address{};
|
||||
const PAddr end_address{};
|
||||
};
|
||||
|
||||
class KMemoryLayout final {
|
||||
public:
|
||||
constexpr const KMemoryRegion& Application() const {
|
||||
return application;
|
||||
}
|
||||
|
||||
constexpr const KMemoryRegion& Applet() const {
|
||||
return applet;
|
||||
}
|
||||
|
||||
constexpr const KMemoryRegion& System() const {
|
||||
return system;
|
||||
}
|
||||
|
||||
static constexpr KMemoryLayout GetDefaultLayout() {
|
||||
constexpr std::size_t application_size{0xcd500000};
|
||||
constexpr std::size_t applet_size{0x1fb00000};
|
||||
constexpr PAddr application_start_address{Core::DramMemoryMap::End - application_size};
|
||||
constexpr PAddr application_end_address{Core::DramMemoryMap::End};
|
||||
constexpr PAddr applet_start_address{application_start_address - applet_size};
|
||||
constexpr PAddr applet_end_address{applet_start_address + applet_size};
|
||||
constexpr PAddr system_start_address{Core::DramMemoryMap::SlabHeapEnd};
|
||||
constexpr PAddr system_end_address{applet_start_address};
|
||||
return {application_start_address, application_end_address, applet_start_address,
|
||||
applet_end_address, system_start_address, system_end_address};
|
||||
}
|
||||
|
||||
private:
|
||||
constexpr KMemoryLayout(PAddr application_start_address, std::size_t application_size,
|
||||
PAddr applet_start_address, std::size_t applet_size,
|
||||
PAddr system_start_address, std::size_t system_size)
|
||||
: application{application_start_address, application_size},
|
||||
applet{applet_start_address, applet_size}, system{system_start_address, system_size} {}
|
||||
|
||||
const KMemoryRegion application;
|
||||
const KMemoryRegion applet;
|
||||
const KMemoryRegion system;
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
176
src/core/hle/kernel/k_memory_manager.cpp
Executable file
176
src/core/hle/kernel/k_memory_manager.cpp
Executable file
@ -0,0 +1,176 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <algorithm>
|
||||
|
||||
#include "common/alignment.h"
|
||||
#include "common/assert.h"
|
||||
#include "common/common_types.h"
|
||||
#include "common/scope_exit.h"
|
||||
#include "core/hle/kernel/k_memory_manager.h"
|
||||
#include "core/hle/kernel/k_page_linked_list.h"
|
||||
#include "core/hle/kernel/svc_results.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
std::size_t KMemoryManager::Impl::Initialize(Pool new_pool, u64 start_address, u64 end_address) {
|
||||
const auto size{end_address - start_address};
|
||||
|
||||
// Calculate metadata sizes
|
||||
const auto ref_count_size{(size / PageSize) * sizeof(u16)};
|
||||
const auto optimize_map_size{(Common::AlignUp((size / PageSize), 64) / 64) * sizeof(u64)};
|
||||
const auto manager_size{Common::AlignUp(optimize_map_size + ref_count_size, PageSize)};
|
||||
const auto page_heap_size{KPageHeap::CalculateManagementOverheadSize(size)};
|
||||
const auto total_metadata_size{manager_size + page_heap_size};
|
||||
ASSERT(manager_size <= total_metadata_size);
|
||||
ASSERT(Common::IsAligned(total_metadata_size, PageSize));
|
||||
|
||||
// Setup region
|
||||
pool = new_pool;
|
||||
|
||||
// Initialize the manager's KPageHeap
|
||||
heap.Initialize(start_address, size, page_heap_size);
|
||||
|
||||
// Free the memory to the heap
|
||||
heap.Free(start_address, size / PageSize);
|
||||
|
||||
// Update the heap's used size
|
||||
heap.UpdateUsedSize();
|
||||
|
||||
return total_metadata_size;
|
||||
}
|
||||
|
||||
void KMemoryManager::InitializeManager(Pool pool, u64 start_address, u64 end_address) {
|
||||
ASSERT(pool < Pool::Count);
|
||||
managers[static_cast<std::size_t>(pool)].Initialize(pool, start_address, end_address);
|
||||
}
|
||||
|
||||
VAddr KMemoryManager::AllocateAndOpenContinuous(std::size_t num_pages, std::size_t align_pages,
|
||||
u32 option) {
|
||||
// Early return if we're allocating no pages
|
||||
if (num_pages == 0) {
|
||||
return {};
|
||||
}
|
||||
|
||||
// Lock the pool that we're allocating from
|
||||
const auto [pool, dir] = DecodeOption(option);
|
||||
const auto pool_index{static_cast<std::size_t>(pool)};
|
||||
std::lock_guard lock{pool_locks[pool_index]};
|
||||
|
||||
// Choose a heap based on our page size request
|
||||
const s32 heap_index{KPageHeap::GetAlignedBlockIndex(num_pages, align_pages)};
|
||||
|
||||
// Loop, trying to iterate from each block
|
||||
// TODO (bunnei): Support multiple managers
|
||||
Impl& chosen_manager{managers[pool_index]};
|
||||
VAddr allocated_block{chosen_manager.AllocateBlock(heap_index, false)};
|
||||
|
||||
// If we failed to allocate, quit now
|
||||
if (!allocated_block) {
|
||||
return {};
|
||||
}
|
||||
|
||||
// If we allocated more than we need, free some
|
||||
const auto allocated_pages{KPageHeap::GetBlockNumPages(heap_index)};
|
||||
if (allocated_pages > num_pages) {
|
||||
chosen_manager.Free(allocated_block + num_pages * PageSize, allocated_pages - num_pages);
|
||||
}
|
||||
|
||||
return allocated_block;
|
||||
}
|
||||
|
||||
ResultCode KMemoryManager::Allocate(KPageLinkedList& page_list, std::size_t num_pages, Pool pool,
|
||||
Direction dir) {
|
||||
ASSERT(page_list.GetNumPages() == 0);
|
||||
|
||||
// Early return if we're allocating no pages
|
||||
if (num_pages == 0) {
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
// Lock the pool that we're allocating from
|
||||
const auto pool_index{static_cast<std::size_t>(pool)};
|
||||
std::lock_guard lock{pool_locks[pool_index]};
|
||||
|
||||
// Choose a heap based on our page size request
|
||||
const s32 heap_index{KPageHeap::GetBlockIndex(num_pages)};
|
||||
if (heap_index < 0) {
|
||||
return ResultOutOfMemory;
|
||||
}
|
||||
|
||||
// TODO (bunnei): Support multiple managers
|
||||
Impl& chosen_manager{managers[pool_index]};
|
||||
|
||||
// Ensure that we don't leave anything un-freed
|
||||
auto group_guard = detail::ScopeExit([&] {
|
||||
for (const auto& it : page_list.Nodes()) {
|
||||
const auto min_num_pages{std::min<size_t>(
|
||||
it.GetNumPages(), (chosen_manager.GetEndAddress() - it.GetAddress()) / PageSize)};
|
||||
chosen_manager.Free(it.GetAddress(), min_num_pages);
|
||||
}
|
||||
});
|
||||
|
||||
// Keep allocating until we've allocated all our pages
|
||||
for (s32 index{heap_index}; index >= 0 && num_pages > 0; index--) {
|
||||
const auto pages_per_alloc{KPageHeap::GetBlockNumPages(index)};
|
||||
|
||||
while (num_pages >= pages_per_alloc) {
|
||||
// Allocate a block
|
||||
VAddr allocated_block{chosen_manager.AllocateBlock(index, false)};
|
||||
if (!allocated_block) {
|
||||
break;
|
||||
}
|
||||
|
||||
// Safely add it to our group
|
||||
{
|
||||
auto block_guard = detail::ScopeExit(
|
||||
[&] { chosen_manager.Free(allocated_block, pages_per_alloc); });
|
||||
|
||||
if (const ResultCode result{page_list.AddBlock(allocated_block, pages_per_alloc)};
|
||||
result.IsError()) {
|
||||
return result;
|
||||
}
|
||||
|
||||
block_guard.Cancel();
|
||||
}
|
||||
|
||||
num_pages -= pages_per_alloc;
|
||||
}
|
||||
}
|
||||
|
||||
// Only succeed if we allocated as many pages as we wanted
|
||||
if (num_pages) {
|
||||
return ResultOutOfMemory;
|
||||
}
|
||||
|
||||
// We succeeded!
|
||||
group_guard.Cancel();
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
ResultCode KMemoryManager::Free(KPageLinkedList& page_list, std::size_t num_pages, Pool pool,
|
||||
Direction dir) {
|
||||
// Early return if we're freeing no pages
|
||||
if (!num_pages) {
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
// Lock the pool that we're freeing from
|
||||
const auto pool_index{static_cast<std::size_t>(pool)};
|
||||
std::lock_guard lock{pool_locks[pool_index]};
|
||||
|
||||
// TODO (bunnei): Support multiple managers
|
||||
Impl& chosen_manager{managers[pool_index]};
|
||||
|
||||
// Free all of the pages
|
||||
for (const auto& it : page_list.Nodes()) {
|
||||
const auto min_num_pages{std::min<size_t>(
|
||||
it.GetNumPages(), (chosen_manager.GetEndAddress() - it.GetAddress()) / PageSize)};
|
||||
chosen_manager.Free(it.GetAddress(), min_num_pages);
|
||||
}
|
||||
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
||||
119
src/core/hle/kernel/k_memory_manager.h
Executable file
119
src/core/hle/kernel/k_memory_manager.h
Executable file
@ -0,0 +1,119 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
#include <mutex>
|
||||
#include <tuple>
|
||||
|
||||
#include "common/common_funcs.h"
|
||||
#include "common/common_types.h"
|
||||
#include "core/hle/kernel/k_page_heap.h"
|
||||
#include "core/hle/result.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KPageLinkedList;
|
||||
|
||||
class KMemoryManager final : NonCopyable {
|
||||
public:
|
||||
enum class Pool : u32 {
|
||||
Application = 0,
|
||||
Applet = 1,
|
||||
System = 2,
|
||||
SystemNonSecure = 3,
|
||||
|
||||
Count,
|
||||
|
||||
Shift = 4,
|
||||
Mask = (0xF << Shift),
|
||||
};
|
||||
|
||||
enum class Direction : u32 {
|
||||
FromFront = 0,
|
||||
FromBack = 1,
|
||||
|
||||
Shift = 0,
|
||||
Mask = (0xF << Shift),
|
||||
};
|
||||
|
||||
KMemoryManager() = default;
|
||||
|
||||
constexpr std::size_t GetSize(Pool pool) const {
|
||||
return managers[static_cast<std::size_t>(pool)].GetSize();
|
||||
}
|
||||
|
||||
void InitializeManager(Pool pool, u64 start_address, u64 end_address);
|
||||
|
||||
VAddr AllocateAndOpenContinuous(size_t num_pages, size_t align_pages, u32 option);
|
||||
ResultCode Allocate(KPageLinkedList& page_list, std::size_t num_pages, Pool pool,
|
||||
Direction dir = Direction::FromFront);
|
||||
ResultCode Free(KPageLinkedList& page_list, std::size_t num_pages, Pool pool,
|
||||
Direction dir = Direction::FromFront);
|
||||
|
||||
static constexpr std::size_t MaxManagerCount = 10;
|
||||
|
||||
public:
|
||||
static constexpr u32 EncodeOption(Pool pool, Direction dir) {
|
||||
return (static_cast<u32>(pool) << static_cast<u32>(Pool::Shift)) |
|
||||
(static_cast<u32>(dir) << static_cast<u32>(Direction::Shift));
|
||||
}
|
||||
|
||||
static constexpr Pool GetPool(u32 option) {
|
||||
return static_cast<Pool>((static_cast<u32>(option) & static_cast<u32>(Pool::Mask)) >>
|
||||
static_cast<u32>(Pool::Shift));
|
||||
}
|
||||
|
||||
static constexpr Direction GetDirection(u32 option) {
|
||||
return static_cast<Direction>(
|
||||
(static_cast<u32>(option) & static_cast<u32>(Direction::Mask)) >>
|
||||
static_cast<u32>(Direction::Shift));
|
||||
}
|
||||
|
||||
static constexpr std::tuple<Pool, Direction> DecodeOption(u32 option) {
|
||||
return std::make_tuple(GetPool(option), GetDirection(option));
|
||||
}
|
||||
|
||||
private:
|
||||
class Impl final : NonCopyable {
|
||||
private:
|
||||
using RefCount = u16;
|
||||
|
||||
private:
|
||||
KPageHeap heap;
|
||||
Pool pool{};
|
||||
|
||||
public:
|
||||
Impl() = default;
|
||||
|
||||
std::size_t Initialize(Pool new_pool, u64 start_address, u64 end_address);
|
||||
|
||||
VAddr AllocateBlock(s32 index, bool random) {
|
||||
return heap.AllocateBlock(index, random);
|
||||
}
|
||||
|
||||
void Free(VAddr addr, std::size_t num_pages) {
|
||||
heap.Free(addr, num_pages);
|
||||
}
|
||||
|
||||
constexpr std::size_t GetSize() const {
|
||||
return heap.GetSize();
|
||||
}
|
||||
|
||||
constexpr VAddr GetAddress() const {
|
||||
return heap.GetAddress();
|
||||
}
|
||||
|
||||
constexpr VAddr GetEndAddress() const {
|
||||
return heap.GetEndAddress();
|
||||
}
|
||||
};
|
||||
|
||||
private:
|
||||
std::array<std::mutex, static_cast<std::size_t>(Pool::Count)> pool_locks;
|
||||
std::array<Impl, MaxManagerCount> managers;
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
279
src/core/hle/kernel/k_page_bitmap.h
Executable file
279
src/core/hle/kernel/k_page_bitmap.h
Executable file
@ -0,0 +1,279 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
#include <bit>
|
||||
|
||||
#include "common/alignment.h"
|
||||
#include "common/assert.h"
|
||||
#include "common/bit_util.h"
|
||||
#include "common/common_types.h"
|
||||
#include "common/tiny_mt.h"
|
||||
#include "core/hle/kernel/k_system_control.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KPageBitmap {
|
||||
private:
|
||||
class RandomBitGenerator {
|
||||
private:
|
||||
Common::TinyMT rng{};
|
||||
u32 entropy{};
|
||||
u32 bits_available{};
|
||||
|
||||
private:
|
||||
void RefreshEntropy() {
|
||||
entropy = rng.GenerateRandomU32();
|
||||
bits_available = static_cast<u32>(Common::BitSize<decltype(entropy)>());
|
||||
}
|
||||
|
||||
bool GenerateRandomBit() {
|
||||
if (bits_available == 0) {
|
||||
this->RefreshEntropy();
|
||||
}
|
||||
|
||||
const bool rnd_bit = (entropy & 1) != 0;
|
||||
entropy >>= 1;
|
||||
--bits_available;
|
||||
return rnd_bit;
|
||||
}
|
||||
|
||||
public:
|
||||
RandomBitGenerator() {
|
||||
rng.Initialize(static_cast<u32>(KSystemControl::GenerateRandomU64()));
|
||||
}
|
||||
|
||||
std::size_t SelectRandomBit(u64 bitmap) {
|
||||
u64 selected = 0;
|
||||
|
||||
u64 cur_num_bits = Common::BitSize<decltype(bitmap)>() / 2;
|
||||
u64 cur_mask = (1ULL << cur_num_bits) - 1;
|
||||
|
||||
while (cur_num_bits) {
|
||||
const u64 low = (bitmap >> 0) & cur_mask;
|
||||
const u64 high = (bitmap >> cur_num_bits) & cur_mask;
|
||||
|
||||
bool choose_low;
|
||||
if (high == 0) {
|
||||
// If only low val is set, choose low.
|
||||
choose_low = true;
|
||||
} else if (low == 0) {
|
||||
// If only high val is set, choose high.
|
||||
choose_low = false;
|
||||
} else {
|
||||
// If both are set, choose random.
|
||||
choose_low = this->GenerateRandomBit();
|
||||
}
|
||||
|
||||
// If we chose low, proceed with low.
|
||||
if (choose_low) {
|
||||
bitmap = low;
|
||||
selected += 0;
|
||||
} else {
|
||||
bitmap = high;
|
||||
selected += cur_num_bits;
|
||||
}
|
||||
|
||||
// Proceed.
|
||||
cur_num_bits /= 2;
|
||||
cur_mask >>= cur_num_bits;
|
||||
}
|
||||
|
||||
return selected;
|
||||
}
|
||||
};
|
||||
|
||||
public:
|
||||
static constexpr std::size_t MaxDepth = 4;
|
||||
|
||||
private:
|
||||
std::array<u64*, MaxDepth> bit_storages{};
|
||||
RandomBitGenerator rng{};
|
||||
std::size_t num_bits{};
|
||||
std::size_t used_depths{};
|
||||
|
||||
public:
|
||||
KPageBitmap() = default;
|
||||
|
||||
constexpr std::size_t GetNumBits() const {
|
||||
return num_bits;
|
||||
}
|
||||
constexpr s32 GetHighestDepthIndex() const {
|
||||
return static_cast<s32>(used_depths) - 1;
|
||||
}
|
||||
|
||||
u64* Initialize(u64* storage, std::size_t size) {
|
||||
// Initially, everything is un-set.
|
||||
num_bits = 0;
|
||||
|
||||
// Calculate the needed bitmap depth.
|
||||
used_depths = static_cast<std::size_t>(GetRequiredDepth(size));
|
||||
ASSERT(used_depths <= MaxDepth);
|
||||
|
||||
// Set the bitmap pointers.
|
||||
for (s32 depth = this->GetHighestDepthIndex(); depth >= 0; depth--) {
|
||||
bit_storages[depth] = storage;
|
||||
size = Common::AlignUp(size, Common::BitSize<u64>()) / Common::BitSize<u64>();
|
||||
storage += size;
|
||||
}
|
||||
|
||||
return storage;
|
||||
}
|
||||
|
||||
s64 FindFreeBlock(bool random) {
|
||||
uintptr_t offset = 0;
|
||||
s32 depth = 0;
|
||||
|
||||
if (random) {
|
||||
do {
|
||||
const u64 v = bit_storages[depth][offset];
|
||||
if (v == 0) {
|
||||
// If depth is bigger than zero, then a previous level indicated a block was
|
||||
// free.
|
||||
ASSERT(depth == 0);
|
||||
return -1;
|
||||
}
|
||||
offset = offset * Common::BitSize<u64>() + rng.SelectRandomBit(v);
|
||||
++depth;
|
||||
} while (depth < static_cast<s32>(used_depths));
|
||||
} else {
|
||||
do {
|
||||
const u64 v = bit_storages[depth][offset];
|
||||
if (v == 0) {
|
||||
// If depth is bigger than zero, then a previous level indicated a block was
|
||||
// free.
|
||||
ASSERT(depth == 0);
|
||||
return -1;
|
||||
}
|
||||
offset = offset * Common::BitSize<u64>() + std::countr_zero(v);
|
||||
++depth;
|
||||
} while (depth < static_cast<s32>(used_depths));
|
||||
}
|
||||
|
||||
return static_cast<s64>(offset);
|
||||
}
|
||||
|
||||
void SetBit(std::size_t offset) {
|
||||
this->SetBit(this->GetHighestDepthIndex(), offset);
|
||||
num_bits++;
|
||||
}
|
||||
|
||||
void ClearBit(std::size_t offset) {
|
||||
this->ClearBit(this->GetHighestDepthIndex(), offset);
|
||||
num_bits--;
|
||||
}
|
||||
|
||||
bool ClearRange(std::size_t offset, std::size_t count) {
|
||||
s32 depth = this->GetHighestDepthIndex();
|
||||
u64* bits = bit_storages[depth];
|
||||
std::size_t bit_ind = offset / Common::BitSize<u64>();
|
||||
if (count < Common::BitSize<u64>()) {
|
||||
const std::size_t shift = offset % Common::BitSize<u64>();
|
||||
ASSERT(shift + count <= Common::BitSize<u64>());
|
||||
// Check that all the bits are set.
|
||||
const u64 mask = ((u64(1) << count) - 1) << shift;
|
||||
u64 v = bits[bit_ind];
|
||||
if ((v & mask) != mask) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Clear the bits.
|
||||
v &= ~mask;
|
||||
bits[bit_ind] = v;
|
||||
if (v == 0) {
|
||||
this->ClearBit(depth - 1, bit_ind);
|
||||
}
|
||||
} else {
|
||||
ASSERT(offset % Common::BitSize<u64>() == 0);
|
||||
ASSERT(count % Common::BitSize<u64>() == 0);
|
||||
// Check that all the bits are set.
|
||||
std::size_t remaining = count;
|
||||
std::size_t i = 0;
|
||||
do {
|
||||
if (bits[bit_ind + i++] != ~u64(0)) {
|
||||
return false;
|
||||
}
|
||||
remaining -= Common::BitSize<u64>();
|
||||
} while (remaining > 0);
|
||||
|
||||
// Clear the bits.
|
||||
remaining = count;
|
||||
i = 0;
|
||||
do {
|
||||
bits[bit_ind + i] = 0;
|
||||
this->ClearBit(depth - 1, bit_ind + i);
|
||||
i++;
|
||||
remaining -= Common::BitSize<u64>();
|
||||
} while (remaining > 0);
|
||||
}
|
||||
|
||||
num_bits -= count;
|
||||
return true;
|
||||
}
|
||||
|
||||
private:
|
||||
void SetBit(s32 depth, std::size_t offset) {
|
||||
while (depth >= 0) {
|
||||
std::size_t ind = offset / Common::BitSize<u64>();
|
||||
std::size_t which = offset % Common::BitSize<u64>();
|
||||
const u64 mask = u64(1) << which;
|
||||
|
||||
u64* bit = std::addressof(bit_storages[depth][ind]);
|
||||
u64 v = *bit;
|
||||
ASSERT((v & mask) == 0);
|
||||
*bit = v | mask;
|
||||
if (v) {
|
||||
break;
|
||||
}
|
||||
offset = ind;
|
||||
depth--;
|
||||
}
|
||||
}
|
||||
|
||||
void ClearBit(s32 depth, std::size_t offset) {
|
||||
while (depth >= 0) {
|
||||
std::size_t ind = offset / Common::BitSize<u64>();
|
||||
std::size_t which = offset % Common::BitSize<u64>();
|
||||
const u64 mask = u64(1) << which;
|
||||
|
||||
u64* bit = std::addressof(bit_storages[depth][ind]);
|
||||
u64 v = *bit;
|
||||
ASSERT((v & mask) != 0);
|
||||
v &= ~mask;
|
||||
*bit = v;
|
||||
if (v) {
|
||||
break;
|
||||
}
|
||||
offset = ind;
|
||||
depth--;
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
static constexpr s32 GetRequiredDepth(std::size_t region_size) {
|
||||
s32 depth = 0;
|
||||
while (true) {
|
||||
region_size /= Common::BitSize<u64>();
|
||||
depth++;
|
||||
if (region_size == 0) {
|
||||
return depth;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
static constexpr std::size_t CalculateManagementOverheadSize(std::size_t region_size) {
|
||||
std::size_t overhead_bits = 0;
|
||||
for (s32 depth = GetRequiredDepth(region_size) - 1; depth >= 0; depth--) {
|
||||
region_size =
|
||||
Common::AlignUp(region_size, Common::BitSize<u64>()) / Common::BitSize<u64>();
|
||||
overhead_bits += region_size;
|
||||
}
|
||||
return overhead_bits * sizeof(u64);
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
116
src/core/hle/kernel/k_page_heap.cpp
Executable file
116
src/core/hle/kernel/k_page_heap.cpp
Executable file
@ -0,0 +1,116 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "core/core.h"
|
||||
#include "core/hle/kernel/k_page_heap.h"
|
||||
#include "core/memory.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
void KPageHeap::Initialize(VAddr address, std::size_t size, std::size_t metadata_size) {
|
||||
// Check our assumptions
|
||||
ASSERT(Common::IsAligned((address), PageSize));
|
||||
ASSERT(Common::IsAligned(size, PageSize));
|
||||
|
||||
// Set our members
|
||||
heap_address = address;
|
||||
heap_size = size;
|
||||
|
||||
// Setup bitmaps
|
||||
metadata.resize(metadata_size / sizeof(u64));
|
||||
u64* cur_bitmap_storage{metadata.data()};
|
||||
for (std::size_t i = 0; i < MemoryBlockPageShifts.size(); i++) {
|
||||
const std::size_t cur_block_shift{MemoryBlockPageShifts[i]};
|
||||
const std::size_t next_block_shift{
|
||||
(i != MemoryBlockPageShifts.size() - 1) ? MemoryBlockPageShifts[i + 1] : 0};
|
||||
cur_bitmap_storage = blocks[i].Initialize(heap_address, heap_size, cur_block_shift,
|
||||
next_block_shift, cur_bitmap_storage);
|
||||
}
|
||||
}
|
||||
|
||||
VAddr KPageHeap::AllocateBlock(s32 index, bool random) {
|
||||
const std::size_t needed_size{blocks[index].GetSize()};
|
||||
|
||||
for (s32 i{index}; i < static_cast<s32>(MemoryBlockPageShifts.size()); i++) {
|
||||
if (const VAddr addr{blocks[i].PopBlock(random)}; addr) {
|
||||
if (const std::size_t allocated_size{blocks[i].GetSize()};
|
||||
allocated_size > needed_size) {
|
||||
Free(addr + needed_size, (allocated_size - needed_size) / PageSize);
|
||||
}
|
||||
return addr;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void KPageHeap::FreeBlock(VAddr block, s32 index) {
|
||||
do {
|
||||
block = blocks[index++].PushBlock(block);
|
||||
} while (block != 0);
|
||||
}
|
||||
|
||||
void KPageHeap::Free(VAddr addr, std::size_t num_pages) {
|
||||
// Freeing no pages is a no-op
|
||||
if (num_pages == 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Find the largest block size that we can free, and free as many as possible
|
||||
s32 big_index{static_cast<s32>(MemoryBlockPageShifts.size()) - 1};
|
||||
const VAddr start{addr};
|
||||
const VAddr end{(num_pages * PageSize) + addr};
|
||||
VAddr before_start{start};
|
||||
VAddr before_end{start};
|
||||
VAddr after_start{end};
|
||||
VAddr after_end{end};
|
||||
while (big_index >= 0) {
|
||||
const std::size_t block_size{blocks[big_index].GetSize()};
|
||||
const VAddr big_start{Common::AlignUp((start), block_size)};
|
||||
const VAddr big_end{Common::AlignDown((end), block_size)};
|
||||
if (big_start < big_end) {
|
||||
// Free as many big blocks as we can
|
||||
for (auto block{big_start}; block < big_end; block += block_size) {
|
||||
FreeBlock(block, big_index);
|
||||
}
|
||||
before_end = big_start;
|
||||
after_start = big_end;
|
||||
break;
|
||||
}
|
||||
big_index--;
|
||||
}
|
||||
ASSERT(big_index >= 0);
|
||||
|
||||
// Free space before the big blocks
|
||||
for (s32 i{big_index - 1}; i >= 0; i--) {
|
||||
const std::size_t block_size{blocks[i].GetSize()};
|
||||
while (before_start + block_size <= before_end) {
|
||||
before_end -= block_size;
|
||||
FreeBlock(before_end, i);
|
||||
}
|
||||
}
|
||||
|
||||
// Free space after the big blocks
|
||||
for (s32 i{big_index - 1}; i >= 0; i--) {
|
||||
const std::size_t block_size{blocks[i].GetSize()};
|
||||
while (after_start + block_size <= after_end) {
|
||||
FreeBlock(after_start, i);
|
||||
after_start += block_size;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
std::size_t KPageHeap::CalculateManagementOverheadSize(std::size_t region_size) {
|
||||
std::size_t overhead_size = 0;
|
||||
for (std::size_t i = 0; i < MemoryBlockPageShifts.size(); i++) {
|
||||
const std::size_t cur_block_shift{MemoryBlockPageShifts[i]};
|
||||
const std::size_t next_block_shift{
|
||||
(i != MemoryBlockPageShifts.size() - 1) ? MemoryBlockPageShifts[i + 1] : 0};
|
||||
overhead_size += KPageHeap::Block::CalculateManagementOverheadSize(
|
||||
region_size, cur_block_shift, next_block_shift);
|
||||
}
|
||||
return Common::AlignUp(overhead_size, PageSize);
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
||||
193
src/core/hle/kernel/k_page_heap.h
Executable file
193
src/core/hle/kernel/k_page_heap.h
Executable file
@ -0,0 +1,193 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
#include <bit>
|
||||
#include <vector>
|
||||
|
||||
#include "common/alignment.h"
|
||||
#include "common/assert.h"
|
||||
#include "common/common_funcs.h"
|
||||
#include "common/common_types.h"
|
||||
#include "core/hle/kernel/k_page_bitmap.h"
|
||||
#include "core/hle/kernel/memory_types.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KPageHeap final : NonCopyable {
|
||||
public:
|
||||
static constexpr s32 GetAlignedBlockIndex(std::size_t num_pages, std::size_t align_pages) {
|
||||
const auto target_pages{std::max(num_pages, align_pages)};
|
||||
for (std::size_t i = 0; i < NumMemoryBlockPageShifts; i++) {
|
||||
if (target_pages <=
|
||||
(static_cast<std::size_t>(1) << MemoryBlockPageShifts[i]) / PageSize) {
|
||||
return static_cast<s32>(i);
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
static constexpr s32 GetBlockIndex(std::size_t num_pages) {
|
||||
for (s32 i{static_cast<s32>(NumMemoryBlockPageShifts) - 1}; i >= 0; i--) {
|
||||
if (num_pages >= (static_cast<std::size_t>(1) << MemoryBlockPageShifts[i]) / PageSize) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
static constexpr std::size_t GetBlockSize(std::size_t index) {
|
||||
return static_cast<std::size_t>(1) << MemoryBlockPageShifts[index];
|
||||
}
|
||||
|
||||
static constexpr std::size_t GetBlockNumPages(std::size_t index) {
|
||||
return GetBlockSize(index) / PageSize;
|
||||
}
|
||||
|
||||
private:
|
||||
static constexpr std::size_t NumMemoryBlockPageShifts{7};
|
||||
static constexpr std::array<std::size_t, NumMemoryBlockPageShifts> MemoryBlockPageShifts{
|
||||
0xC, 0x10, 0x15, 0x16, 0x19, 0x1D, 0x1E,
|
||||
};
|
||||
|
||||
class Block final : NonCopyable {
|
||||
private:
|
||||
KPageBitmap bitmap;
|
||||
VAddr heap_address{};
|
||||
uintptr_t end_offset{};
|
||||
std::size_t block_shift{};
|
||||
std::size_t next_block_shift{};
|
||||
|
||||
public:
|
||||
Block() = default;
|
||||
|
||||
constexpr std::size_t GetShift() const {
|
||||
return block_shift;
|
||||
}
|
||||
constexpr std::size_t GetNextShift() const {
|
||||
return next_block_shift;
|
||||
}
|
||||
constexpr std::size_t GetSize() const {
|
||||
return static_cast<std::size_t>(1) << GetShift();
|
||||
}
|
||||
constexpr std::size_t GetNumPages() const {
|
||||
return GetSize() / PageSize;
|
||||
}
|
||||
constexpr std::size_t GetNumFreeBlocks() const {
|
||||
return bitmap.GetNumBits();
|
||||
}
|
||||
constexpr std::size_t GetNumFreePages() const {
|
||||
return GetNumFreeBlocks() * GetNumPages();
|
||||
}
|
||||
|
||||
u64* Initialize(VAddr addr, std::size_t size, std::size_t bs, std::size_t nbs,
|
||||
u64* bit_storage) {
|
||||
// Set shifts
|
||||
block_shift = bs;
|
||||
next_block_shift = nbs;
|
||||
|
||||
// Align up the address
|
||||
VAddr end{addr + size};
|
||||
const auto align{(next_block_shift != 0) ? (1ULL << next_block_shift)
|
||||
: (1ULL << block_shift)};
|
||||
addr = Common::AlignDown((addr), align);
|
||||
end = Common::AlignUp((end), align);
|
||||
|
||||
heap_address = addr;
|
||||
end_offset = (end - addr) / (1ULL << block_shift);
|
||||
return bitmap.Initialize(bit_storage, end_offset);
|
||||
}
|
||||
|
||||
VAddr PushBlock(VAddr address) {
|
||||
// Set the bit for the free block
|
||||
std::size_t offset{(address - heap_address) >> GetShift()};
|
||||
bitmap.SetBit(offset);
|
||||
|
||||
// If we have a next shift, try to clear the blocks below and return the address
|
||||
if (GetNextShift()) {
|
||||
const auto diff{1ULL << (GetNextShift() - GetShift())};
|
||||
offset = Common::AlignDown(offset, diff);
|
||||
if (bitmap.ClearRange(offset, diff)) {
|
||||
return heap_address + (offset << GetShift());
|
||||
}
|
||||
}
|
||||
|
||||
// We couldn't coalesce, or we're already as big as possible
|
||||
return 0;
|
||||
}
|
||||
|
||||
VAddr PopBlock(bool random) {
|
||||
// Find a free block
|
||||
const s64 soffset{bitmap.FindFreeBlock(random)};
|
||||
if (soffset < 0) {
|
||||
return 0;
|
||||
}
|
||||
const auto offset{static_cast<std::size_t>(soffset)};
|
||||
|
||||
// Update our tracking and return it
|
||||
bitmap.ClearBit(offset);
|
||||
return heap_address + (offset << GetShift());
|
||||
}
|
||||
|
||||
public:
|
||||
static constexpr std::size_t CalculateManagementOverheadSize(std::size_t region_size,
|
||||
std::size_t cur_block_shift,
|
||||
std::size_t next_block_shift) {
|
||||
const auto cur_block_size{(1ULL << cur_block_shift)};
|
||||
const auto next_block_size{(1ULL << next_block_shift)};
|
||||
const auto align{(next_block_shift != 0) ? next_block_size : cur_block_size};
|
||||
return KPageBitmap::CalculateManagementOverheadSize(
|
||||
(align * 2 + Common::AlignUp(region_size, align)) / cur_block_size);
|
||||
}
|
||||
};
|
||||
|
||||
public:
|
||||
KPageHeap() = default;
|
||||
|
||||
constexpr VAddr GetAddress() const {
|
||||
return heap_address;
|
||||
}
|
||||
constexpr std::size_t GetSize() const {
|
||||
return heap_size;
|
||||
}
|
||||
constexpr VAddr GetEndAddress() const {
|
||||
return GetAddress() + GetSize();
|
||||
}
|
||||
constexpr std::size_t GetPageOffset(VAddr block) const {
|
||||
return (block - GetAddress()) / PageSize;
|
||||
}
|
||||
|
||||
void Initialize(VAddr heap_address, std::size_t heap_size, std::size_t metadata_size);
|
||||
VAddr AllocateBlock(s32 index, bool random);
|
||||
void Free(VAddr addr, std::size_t num_pages);
|
||||
|
||||
void UpdateUsedSize() {
|
||||
used_size = heap_size - (GetNumFreePages() * PageSize);
|
||||
}
|
||||
|
||||
static std::size_t CalculateManagementOverheadSize(std::size_t region_size);
|
||||
|
||||
private:
|
||||
constexpr std::size_t GetNumFreePages() const {
|
||||
std::size_t num_free{};
|
||||
|
||||
for (const auto& block : blocks) {
|
||||
num_free += block.GetNumFreePages();
|
||||
}
|
||||
|
||||
return num_free;
|
||||
}
|
||||
|
||||
void FreeBlock(VAddr block, s32 index);
|
||||
|
||||
VAddr heap_address{};
|
||||
std::size_t heap_size{};
|
||||
std::size_t used_size{};
|
||||
std::array<Block, NumMemoryBlockPageShifts> blocks{};
|
||||
std::vector<u64> metadata;
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
92
src/core/hle/kernel/k_page_linked_list.h
Executable file
92
src/core/hle/kernel/k_page_linked_list.h
Executable file
@ -0,0 +1,92 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <list>
|
||||
|
||||
#include "common/assert.h"
|
||||
#include "common/common_types.h"
|
||||
#include "core/hle/kernel/memory_types.h"
|
||||
#include "core/hle/result.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KPageLinkedList final {
|
||||
public:
|
||||
class Node final {
|
||||
public:
|
||||
constexpr Node(u64 addr, std::size_t num_pages) : addr{addr}, num_pages{num_pages} {}
|
||||
|
||||
constexpr u64 GetAddress() const {
|
||||
return addr;
|
||||
}
|
||||
|
||||
constexpr std::size_t GetNumPages() const {
|
||||
return num_pages;
|
||||
}
|
||||
|
||||
private:
|
||||
u64 addr{};
|
||||
std::size_t num_pages{};
|
||||
};
|
||||
|
||||
public:
|
||||
KPageLinkedList() = default;
|
||||
KPageLinkedList(u64 address, u64 num_pages) {
|
||||
ASSERT(AddBlock(address, num_pages).IsSuccess());
|
||||
}
|
||||
|
||||
constexpr std::list<Node>& Nodes() {
|
||||
return nodes;
|
||||
}
|
||||
|
||||
constexpr const std::list<Node>& Nodes() const {
|
||||
return nodes;
|
||||
}
|
||||
|
||||
std::size_t GetNumPages() const {
|
||||
std::size_t num_pages = 0;
|
||||
for (const Node& node : nodes) {
|
||||
num_pages += node.GetNumPages();
|
||||
}
|
||||
return num_pages;
|
||||
}
|
||||
|
||||
bool IsEqual(KPageLinkedList& other) const {
|
||||
auto this_node = nodes.begin();
|
||||
auto other_node = other.nodes.begin();
|
||||
while (this_node != nodes.end() && other_node != other.nodes.end()) {
|
||||
if (this_node->GetAddress() != other_node->GetAddress() ||
|
||||
this_node->GetNumPages() != other_node->GetNumPages()) {
|
||||
return false;
|
||||
}
|
||||
this_node = std::next(this_node);
|
||||
other_node = std::next(other_node);
|
||||
}
|
||||
|
||||
return this_node == nodes.end() && other_node == other.nodes.end();
|
||||
}
|
||||
|
||||
ResultCode AddBlock(u64 address, u64 num_pages) {
|
||||
if (!num_pages) {
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
if (!nodes.empty()) {
|
||||
const auto node = nodes.back();
|
||||
if (node.GetAddress() + node.GetNumPages() * PageSize == address) {
|
||||
address = node.GetAddress();
|
||||
num_pages += node.GetNumPages();
|
||||
nodes.pop_back();
|
||||
}
|
||||
}
|
||||
nodes.push_back({address, num_pages});
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
private:
|
||||
std::list<Node> nodes;
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
1190
src/core/hle/kernel/k_page_table.cpp
Executable file
1190
src/core/hle/kernel/k_page_table.cpp
Executable file
File diff suppressed because it is too large
Load Diff
279
src/core/hle/kernel/k_page_table.h
Executable file
279
src/core/hle/kernel/k_page_table.h
Executable file
@ -0,0 +1,279 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <memory>
|
||||
#include <mutex>
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "common/page_table.h"
|
||||
#include "core/file_sys/program_metadata.h"
|
||||
#include "core/hle/kernel/k_memory_block.h"
|
||||
#include "core/hle/kernel/k_memory_manager.h"
|
||||
#include "core/hle/result.h"
|
||||
|
||||
namespace Core {
|
||||
class System;
|
||||
}
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KMemoryBlockManager;
|
||||
|
||||
class KPageTable final : NonCopyable {
|
||||
public:
|
||||
explicit KPageTable(Core::System& system);
|
||||
|
||||
ResultCode InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
|
||||
VAddr code_addr, std::size_t code_size,
|
||||
KMemoryManager::Pool pool);
|
||||
ResultCode MapProcessCode(VAddr addr, std::size_t pages_count, KMemoryState state,
|
||||
KMemoryPermission perm);
|
||||
ResultCode MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
|
||||
ResultCode UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
|
||||
ResultCode MapPhysicalMemory(VAddr addr, std::size_t size);
|
||||
ResultCode UnmapPhysicalMemory(VAddr addr, std::size_t size);
|
||||
ResultCode UnmapMemory(VAddr addr, std::size_t size);
|
||||
ResultCode Map(VAddr dst_addr, VAddr src_addr, std::size_t size);
|
||||
ResultCode Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size);
|
||||
ResultCode MapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state,
|
||||
KMemoryPermission perm);
|
||||
ResultCode SetCodeMemoryPermission(VAddr addr, std::size_t size, KMemoryPermission perm);
|
||||
KMemoryInfo QueryInfo(VAddr addr);
|
||||
ResultCode ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm);
|
||||
ResultCode ResetTransferMemory(VAddr addr, std::size_t size);
|
||||
ResultCode SetMemoryAttribute(VAddr addr, std::size_t size, KMemoryAttribute mask,
|
||||
KMemoryAttribute value);
|
||||
ResultCode SetHeapCapacity(std::size_t new_heap_capacity);
|
||||
ResultVal<VAddr> SetHeapSize(std::size_t size);
|
||||
ResultVal<VAddr> AllocateAndMapMemory(std::size_t needed_num_pages, std::size_t align,
|
||||
bool is_map_only, VAddr region_start,
|
||||
std::size_t region_num_pages, KMemoryState state,
|
||||
KMemoryPermission perm, PAddr map_addr = 0);
|
||||
ResultCode LockForDeviceAddressSpace(VAddr addr, std::size_t size);
|
||||
ResultCode UnlockForDeviceAddressSpace(VAddr addr, std::size_t size);
|
||||
|
||||
Common::PageTable& PageTableImpl() {
|
||||
return page_table_impl;
|
||||
}
|
||||
|
||||
const Common::PageTable& PageTableImpl() const {
|
||||
return page_table_impl;
|
||||
}
|
||||
|
||||
private:
|
||||
enum class OperationType : u32 {
|
||||
Map,
|
||||
MapGroup,
|
||||
Unmap,
|
||||
ChangePermissions,
|
||||
ChangePermissionsAndRefresh,
|
||||
};
|
||||
|
||||
static constexpr KMemoryAttribute DefaultMemoryIgnoreAttr = KMemoryAttribute::DontCareMask |
|
||||
KMemoryAttribute::IpcLocked |
|
||||
KMemoryAttribute::DeviceShared;
|
||||
|
||||
ResultCode InitializeMemoryLayout(VAddr start, VAddr end);
|
||||
ResultCode MapPages(VAddr addr, const KPageLinkedList& page_linked_list,
|
||||
KMemoryPermission perm);
|
||||
void MapPhysicalMemory(KPageLinkedList& page_linked_list, VAddr start, VAddr end);
|
||||
bool IsRegionMapped(VAddr address, u64 size);
|
||||
bool IsRegionContiguous(VAddr addr, u64 size) const;
|
||||
void AddRegionToPages(VAddr start, std::size_t num_pages, KPageLinkedList& page_linked_list);
|
||||
KMemoryInfo QueryInfoImpl(VAddr addr);
|
||||
VAddr AllocateVirtualMemory(VAddr start, std::size_t region_num_pages, u64 needed_num_pages,
|
||||
std::size_t align);
|
||||
ResultCode Operate(VAddr addr, std::size_t num_pages, const KPageLinkedList& page_group,
|
||||
OperationType operation);
|
||||
ResultCode Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
|
||||
OperationType operation, PAddr map_addr = 0);
|
||||
constexpr VAddr GetRegionAddress(KMemoryState state) const;
|
||||
constexpr std::size_t GetRegionSize(KMemoryState state) const;
|
||||
constexpr bool CanContain(VAddr addr, std::size_t size, KMemoryState state) const;
|
||||
|
||||
constexpr ResultCode CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask,
|
||||
KMemoryState state, KMemoryPermission perm_mask,
|
||||
KMemoryPermission perm, KMemoryAttribute attr_mask,
|
||||
KMemoryAttribute attr) const;
|
||||
ResultCode CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
|
||||
KMemoryAttribute* out_attr, VAddr addr, std::size_t size,
|
||||
KMemoryState state_mask, KMemoryState state,
|
||||
KMemoryPermission perm_mask, KMemoryPermission perm,
|
||||
KMemoryAttribute attr_mask, KMemoryAttribute attr,
|
||||
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr);
|
||||
ResultCode CheckMemoryState(VAddr addr, std::size_t size, KMemoryState state_mask,
|
||||
KMemoryState state, KMemoryPermission perm_mask,
|
||||
KMemoryPermission perm, KMemoryAttribute attr_mask,
|
||||
KMemoryAttribute attr,
|
||||
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) {
|
||||
return CheckMemoryState(nullptr, nullptr, nullptr, addr, size, state_mask, state, perm_mask,
|
||||
perm, attr_mask, attr, ignore_attr);
|
||||
}
|
||||
|
||||
std::recursive_mutex page_table_lock;
|
||||
std::unique_ptr<KMemoryBlockManager> block_manager;
|
||||
|
||||
public:
|
||||
constexpr VAddr GetAddressSpaceStart() const {
|
||||
return address_space_start;
|
||||
}
|
||||
constexpr VAddr GetAddressSpaceEnd() const {
|
||||
return address_space_end;
|
||||
}
|
||||
constexpr std::size_t GetAddressSpaceSize() const {
|
||||
return address_space_end - address_space_start;
|
||||
}
|
||||
constexpr VAddr GetHeapRegionStart() const {
|
||||
return heap_region_start;
|
||||
}
|
||||
constexpr VAddr GetHeapRegionEnd() const {
|
||||
return heap_region_end;
|
||||
}
|
||||
constexpr std::size_t GetHeapRegionSize() const {
|
||||
return heap_region_end - heap_region_start;
|
||||
}
|
||||
constexpr VAddr GetAliasRegionStart() const {
|
||||
return alias_region_start;
|
||||
}
|
||||
constexpr VAddr GetAliasRegionEnd() const {
|
||||
return alias_region_end;
|
||||
}
|
||||
constexpr std::size_t GetAliasRegionSize() const {
|
||||
return alias_region_end - alias_region_start;
|
||||
}
|
||||
constexpr VAddr GetStackRegionStart() const {
|
||||
return stack_region_start;
|
||||
}
|
||||
constexpr VAddr GetStackRegionEnd() const {
|
||||
return stack_region_end;
|
||||
}
|
||||
constexpr std::size_t GetStackRegionSize() const {
|
||||
return stack_region_end - stack_region_start;
|
||||
}
|
||||
constexpr VAddr GetKernelMapRegionStart() const {
|
||||
return kernel_map_region_start;
|
||||
}
|
||||
constexpr VAddr GetKernelMapRegionEnd() const {
|
||||
return kernel_map_region_end;
|
||||
}
|
||||
constexpr VAddr GetCodeRegionStart() const {
|
||||
return code_region_start;
|
||||
}
|
||||
constexpr VAddr GetCodeRegionEnd() const {
|
||||
return code_region_end;
|
||||
}
|
||||
constexpr VAddr GetAliasCodeRegionStart() const {
|
||||
return alias_code_region_start;
|
||||
}
|
||||
constexpr VAddr GetAliasCodeRegionSize() const {
|
||||
return alias_code_region_end - alias_code_region_start;
|
||||
}
|
||||
constexpr std::size_t GetAddressSpaceWidth() const {
|
||||
return address_space_width;
|
||||
}
|
||||
constexpr std::size_t GetHeapSize() {
|
||||
return current_heap_addr - heap_region_start;
|
||||
}
|
||||
constexpr std::size_t GetTotalHeapSize() {
|
||||
return GetHeapSize() + physical_memory_usage;
|
||||
}
|
||||
constexpr bool IsInsideAddressSpace(VAddr address, std::size_t size) const {
|
||||
return address_space_start <= address && address + size - 1 <= address_space_end - 1;
|
||||
}
|
||||
constexpr bool IsOutsideAliasRegion(VAddr address, std::size_t size) const {
|
||||
return alias_region_start > address || address + size - 1 > alias_region_end - 1;
|
||||
}
|
||||
constexpr bool IsOutsideStackRegion(VAddr address, std::size_t size) const {
|
||||
return stack_region_start > address || address + size - 1 > stack_region_end - 1;
|
||||
}
|
||||
constexpr bool IsInvalidRegion(VAddr address, std::size_t size) const {
|
||||
return address + size - 1 > GetAliasCodeRegionStart() + GetAliasCodeRegionSize() - 1;
|
||||
}
|
||||
constexpr bool IsInsideHeapRegion(VAddr address, std::size_t size) const {
|
||||
return address + size > heap_region_start && heap_region_end > address;
|
||||
}
|
||||
constexpr bool IsInsideAliasRegion(VAddr address, std::size_t size) const {
|
||||
return address + size > alias_region_start && alias_region_end > address;
|
||||
}
|
||||
constexpr bool IsOutsideASLRRegion(VAddr address, std::size_t size) const {
|
||||
if (IsInvalidRegion(address, size)) {
|
||||
return true;
|
||||
}
|
||||
if (IsInsideHeapRegion(address, size)) {
|
||||
return true;
|
||||
}
|
||||
if (IsInsideAliasRegion(address, size)) {
|
||||
return true;
|
||||
}
|
||||
return {};
|
||||
}
|
||||
constexpr bool IsInsideASLRRegion(VAddr address, std::size_t size) const {
|
||||
return !IsOutsideASLRRegion(address, size);
|
||||
}
|
||||
constexpr PAddr GetPhysicalAddr(VAddr addr) {
|
||||
return page_table_impl.backing_addr[addr >> PageBits] + addr;
|
||||
}
|
||||
|
||||
private:
|
||||
constexpr bool Contains(VAddr addr) const {
|
||||
return address_space_start <= addr && addr <= address_space_end - 1;
|
||||
}
|
||||
constexpr bool Contains(VAddr addr, std::size_t size) const {
|
||||
return address_space_start <= addr && addr < addr + size &&
|
||||
addr + size - 1 <= address_space_end - 1;
|
||||
}
|
||||
constexpr bool IsKernel() const {
|
||||
return is_kernel;
|
||||
}
|
||||
constexpr bool IsAslrEnabled() const {
|
||||
return is_aslr_enabled;
|
||||
}
|
||||
|
||||
constexpr std::size_t GetNumGuardPages() const {
|
||||
return IsKernel() ? 1 : 4;
|
||||
}
|
||||
|
||||
constexpr bool ContainsPages(VAddr addr, std::size_t num_pages) const {
|
||||
return (address_space_start <= addr) &&
|
||||
(num_pages <= (address_space_end - address_space_start) / PageSize) &&
|
||||
(addr + num_pages * PageSize - 1 <= address_space_end - 1);
|
||||
}
|
||||
|
||||
private:
|
||||
VAddr address_space_start{};
|
||||
VAddr address_space_end{};
|
||||
VAddr heap_region_start{};
|
||||
VAddr heap_region_end{};
|
||||
VAddr current_heap_end{};
|
||||
VAddr alias_region_start{};
|
||||
VAddr alias_region_end{};
|
||||
VAddr stack_region_start{};
|
||||
VAddr stack_region_end{};
|
||||
VAddr kernel_map_region_start{};
|
||||
VAddr kernel_map_region_end{};
|
||||
VAddr code_region_start{};
|
||||
VAddr code_region_end{};
|
||||
VAddr alias_code_region_start{};
|
||||
VAddr alias_code_region_end{};
|
||||
VAddr current_heap_addr{};
|
||||
|
||||
std::size_t heap_capacity{};
|
||||
std::size_t physical_memory_usage{};
|
||||
std::size_t max_heap_size{};
|
||||
std::size_t max_physical_memory_size{};
|
||||
std::size_t address_space_width{};
|
||||
|
||||
bool is_kernel{};
|
||||
bool is_aslr_enabled{};
|
||||
|
||||
KMemoryManager::Pool memory_pool{KMemoryManager::Pool::Application};
|
||||
|
||||
Common::PageTable page_table_impl;
|
||||
|
||||
Core::System& system;
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
65
src/core/hle/kernel/k_shared_memory.cpp
Executable file
65
src/core/hle/kernel/k_shared_memory.cpp
Executable file
@ -0,0 +1,65 @@
|
||||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "common/assert.h"
|
||||
#include "core/core.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/k_scoped_resource_reservation.h"
|
||||
#include "core/hle/kernel/k_shared_memory.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
KSharedMemory::KSharedMemory(KernelCore& kernel, Core::DeviceMemory& device_memory)
|
||||
: Object{kernel}, device_memory{device_memory} {}
|
||||
|
||||
KSharedMemory::~KSharedMemory() {
|
||||
kernel.GetSystemResourceLimit()->Release(LimitableResource::PhysicalMemory, size);
|
||||
}
|
||||
|
||||
std::shared_ptr<KSharedMemory> KSharedMemory::Create(
|
||||
KernelCore& kernel, Core::DeviceMemory& device_memory, Process* owner_process,
|
||||
KPageLinkedList&& page_list, KMemoryPermission owner_permission,
|
||||
KMemoryPermission user_permission, PAddr physical_address, std::size_t size, std::string name) {
|
||||
|
||||
const auto resource_limit = kernel.GetSystemResourceLimit();
|
||||
KScopedResourceReservation memory_reservation(resource_limit, LimitableResource::PhysicalMemory,
|
||||
size);
|
||||
ASSERT(memory_reservation.Succeeded());
|
||||
|
||||
std::shared_ptr<KSharedMemory> shared_memory{
|
||||
std::make_shared<KSharedMemory>(kernel, device_memory)};
|
||||
|
||||
shared_memory->owner_process = owner_process;
|
||||
shared_memory->page_list = std::move(page_list);
|
||||
shared_memory->owner_permission = owner_permission;
|
||||
shared_memory->user_permission = user_permission;
|
||||
shared_memory->physical_address = physical_address;
|
||||
shared_memory->size = size;
|
||||
shared_memory->name = name;
|
||||
|
||||
memory_reservation.Commit();
|
||||
return shared_memory;
|
||||
}
|
||||
|
||||
ResultCode KSharedMemory::Map(Process& target_process, VAddr address, std::size_t size,
|
||||
KMemoryPermission permissions) {
|
||||
const u64 page_count{(size + PageSize - 1) / PageSize};
|
||||
|
||||
if (page_list.GetNumPages() != page_count) {
|
||||
UNIMPLEMENTED_MSG("Page count does not match");
|
||||
}
|
||||
|
||||
const KMemoryPermission expected =
|
||||
&target_process == owner_process ? owner_permission : user_permission;
|
||||
|
||||
if (permissions != expected) {
|
||||
UNIMPLEMENTED_MSG("Permission does not match");
|
||||
}
|
||||
|
||||
return target_process.PageTable().MapPages(address, page_list, KMemoryState::Shared,
|
||||
permissions);
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
||||
87
src/core/hle/kernel/k_shared_memory.h
Executable file
87
src/core/hle/kernel/k_shared_memory.h
Executable file
@ -0,0 +1,87 @@
|
||||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <memory>
|
||||
#include <string>
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "core/device_memory.h"
|
||||
#include "core/hle/kernel/k_memory_block.h"
|
||||
#include "core/hle/kernel/k_page_linked_list.h"
|
||||
#include "core/hle/kernel/object.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/result.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KernelCore;
|
||||
|
||||
class KSharedMemory final : public Object {
|
||||
public:
|
||||
explicit KSharedMemory(KernelCore& kernel, Core::DeviceMemory& device_memory);
|
||||
~KSharedMemory() override;
|
||||
|
||||
static std::shared_ptr<KSharedMemory> Create(
|
||||
KernelCore& kernel, Core::DeviceMemory& device_memory, Process* owner_process,
|
||||
KPageLinkedList&& page_list, KMemoryPermission owner_permission,
|
||||
KMemoryPermission user_permission, PAddr physical_address, std::size_t size,
|
||||
std::string name);
|
||||
|
||||
std::string GetTypeName() const override {
|
||||
return "SharedMemory";
|
||||
}
|
||||
|
||||
std::string GetName() const override {
|
||||
return name;
|
||||
}
|
||||
|
||||
static constexpr HandleType HANDLE_TYPE = HandleType::SharedMemory;
|
||||
HandleType GetHandleType() const override {
|
||||
return HANDLE_TYPE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Maps a shared memory block to an address in the target process' address space
|
||||
* @param target_process Process on which to map the memory block
|
||||
* @param address Address in system memory to map shared memory block to
|
||||
* @param size Size of the shared memory block to map
|
||||
* @param permissions Memory block map permissions (specified by SVC field)
|
||||
*/
|
||||
ResultCode Map(Process& target_process, VAddr address, std::size_t size,
|
||||
KMemoryPermission permissions);
|
||||
|
||||
/**
|
||||
* Gets a pointer to the shared memory block
|
||||
* @param offset Offset from the start of the shared memory block to get pointer
|
||||
* @return A pointer to the shared memory block from the specified offset
|
||||
*/
|
||||
u8* GetPointer(std::size_t offset = 0) {
|
||||
return device_memory.GetPointer(physical_address + offset);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets a pointer to the shared memory block
|
||||
* @param offset Offset from the start of the shared memory block to get pointer
|
||||
* @return A pointer to the shared memory block from the specified offset
|
||||
*/
|
||||
const u8* GetPointer(std::size_t offset = 0) const {
|
||||
return device_memory.GetPointer(physical_address + offset);
|
||||
}
|
||||
|
||||
void Finalize() override {}
|
||||
|
||||
private:
|
||||
Core::DeviceMemory& device_memory;
|
||||
Process* owner_process{};
|
||||
KPageLinkedList page_list;
|
||||
KMemoryPermission owner_permission{};
|
||||
KMemoryPermission user_permission{};
|
||||
PAddr physical_address{};
|
||||
std::size_t size{};
|
||||
std::string name;
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
160
src/core/hle/kernel/k_slab_heap.h
Executable file
160
src/core/hle/kernel/k_slab_heap.h
Executable file
@ -0,0 +1,160 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <atomic>
|
||||
|
||||
#include "common/assert.h"
|
||||
#include "common/common_types.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
namespace impl {
|
||||
|
||||
class KSlabHeapImpl final : NonCopyable {
|
||||
public:
|
||||
struct Node {
|
||||
Node* next{};
|
||||
};
|
||||
|
||||
constexpr KSlabHeapImpl() = default;
|
||||
|
||||
void Initialize(std::size_t size) {
|
||||
ASSERT(head == nullptr);
|
||||
obj_size = size;
|
||||
}
|
||||
|
||||
constexpr std::size_t GetObjectSize() const {
|
||||
return obj_size;
|
||||
}
|
||||
|
||||
Node* GetHead() const {
|
||||
return head;
|
||||
}
|
||||
|
||||
void* Allocate() {
|
||||
Node* ret = head.load();
|
||||
|
||||
do {
|
||||
if (ret == nullptr) {
|
||||
break;
|
||||
}
|
||||
} while (!head.compare_exchange_weak(ret, ret->next));
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
void Free(void* obj) {
|
||||
Node* node = static_cast<Node*>(obj);
|
||||
|
||||
Node* cur_head = head.load();
|
||||
do {
|
||||
node->next = cur_head;
|
||||
} while (!head.compare_exchange_weak(cur_head, node));
|
||||
}
|
||||
|
||||
private:
|
||||
std::atomic<Node*> head{};
|
||||
std::size_t obj_size{};
|
||||
};
|
||||
|
||||
} // namespace impl
|
||||
|
||||
class KSlabHeapBase : NonCopyable {
|
||||
public:
|
||||
constexpr KSlabHeapBase() = default;
|
||||
|
||||
constexpr bool Contains(uintptr_t addr) const {
|
||||
return start <= addr && addr < end;
|
||||
}
|
||||
|
||||
constexpr std::size_t GetSlabHeapSize() const {
|
||||
return (end - start) / GetObjectSize();
|
||||
}
|
||||
|
||||
constexpr std::size_t GetObjectSize() const {
|
||||
return impl.GetObjectSize();
|
||||
}
|
||||
|
||||
constexpr uintptr_t GetSlabHeapAddress() const {
|
||||
return start;
|
||||
}
|
||||
|
||||
std::size_t GetObjectIndexImpl(const void* obj) const {
|
||||
return (reinterpret_cast<uintptr_t>(obj) - start) / GetObjectSize();
|
||||
}
|
||||
|
||||
std::size_t GetPeakIndex() const {
|
||||
return GetObjectIndexImpl(reinterpret_cast<const void*>(peak));
|
||||
}
|
||||
|
||||
void* AllocateImpl() {
|
||||
return impl.Allocate();
|
||||
}
|
||||
|
||||
void FreeImpl(void* obj) {
|
||||
// Don't allow freeing an object that wasn't allocated from this heap
|
||||
ASSERT(Contains(reinterpret_cast<uintptr_t>(obj)));
|
||||
impl.Free(obj);
|
||||
}
|
||||
|
||||
void InitializeImpl(std::size_t obj_size, void* memory, std::size_t memory_size) {
|
||||
// Ensure we don't initialize a slab using null memory
|
||||
ASSERT(memory != nullptr);
|
||||
|
||||
// Initialize the base allocator
|
||||
impl.Initialize(obj_size);
|
||||
|
||||
// Set our tracking variables
|
||||
const std::size_t num_obj = (memory_size / obj_size);
|
||||
start = reinterpret_cast<uintptr_t>(memory);
|
||||
end = start + num_obj * obj_size;
|
||||
peak = start;
|
||||
|
||||
// Free the objects
|
||||
u8* cur = reinterpret_cast<u8*>(end);
|
||||
|
||||
for (std::size_t i{}; i < num_obj; i++) {
|
||||
cur -= obj_size;
|
||||
impl.Free(cur);
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
using Impl = impl::KSlabHeapImpl;
|
||||
|
||||
Impl impl;
|
||||
uintptr_t peak{};
|
||||
uintptr_t start{};
|
||||
uintptr_t end{};
|
||||
};
|
||||
|
||||
template <typename T>
|
||||
class KSlabHeap final : public KSlabHeapBase {
|
||||
public:
|
||||
constexpr KSlabHeap() : KSlabHeapBase() {}
|
||||
|
||||
void Initialize(void* memory, std::size_t memory_size) {
|
||||
InitializeImpl(sizeof(T), memory, memory_size);
|
||||
}
|
||||
|
||||
T* Allocate() {
|
||||
T* obj = static_cast<T*>(AllocateImpl());
|
||||
if (obj != nullptr) {
|
||||
new (obj) T();
|
||||
}
|
||||
return obj;
|
||||
}
|
||||
|
||||
void Free(T* obj) {
|
||||
FreeImpl(obj);
|
||||
}
|
||||
|
||||
constexpr std::size_t GetObjectIndex(const T* obj) const {
|
||||
return GetObjectIndexImpl(obj);
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
54
src/core/hle/kernel/k_spin_lock.cpp
Executable file
54
src/core/hle/kernel/k_spin_lock.cpp
Executable file
@ -0,0 +1,54 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "core/hle/kernel/k_spin_lock.h"
|
||||
|
||||
#if _MSC_VER
|
||||
#include <intrin.h>
|
||||
#if _M_AMD64
|
||||
#define __x86_64__ 1
|
||||
#endif
|
||||
#if _M_ARM64
|
||||
#define __aarch64__ 1
|
||||
#endif
|
||||
#else
|
||||
#if __x86_64__
|
||||
#include <xmmintrin.h>
|
||||
#endif
|
||||
#endif
|
||||
|
||||
namespace {
|
||||
|
||||
void ThreadPause() {
|
||||
#if __x86_64__
|
||||
_mm_pause();
|
||||
#elif __aarch64__ && _MSC_VER
|
||||
__yield();
|
||||
#elif __aarch64__
|
||||
asm("yield");
|
||||
#endif
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
void KSpinLock::Lock() {
|
||||
while (lck.test_and_set(std::memory_order_acquire)) {
|
||||
ThreadPause();
|
||||
}
|
||||
}
|
||||
|
||||
void KSpinLock::Unlock() {
|
||||
lck.clear(std::memory_order_release);
|
||||
}
|
||||
|
||||
bool KSpinLock::TryLock() {
|
||||
if (lck.test_and_set(std::memory_order_acquire)) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
||||
33
src/core/hle/kernel/k_spin_lock.h
Executable file
33
src/core/hle/kernel/k_spin_lock.h
Executable file
@ -0,0 +1,33 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <atomic>
|
||||
|
||||
#include "core/hle/kernel/k_scoped_lock.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KSpinLock {
|
||||
public:
|
||||
KSpinLock() = default;
|
||||
|
||||
KSpinLock(const KSpinLock&) = delete;
|
||||
KSpinLock& operator=(const KSpinLock&) = delete;
|
||||
|
||||
KSpinLock(KSpinLock&&) = delete;
|
||||
KSpinLock& operator=(KSpinLock&&) = delete;
|
||||
|
||||
void Lock();
|
||||
void Unlock();
|
||||
[[nodiscard]] bool TryLock();
|
||||
|
||||
private:
|
||||
std::atomic_flag lck = ATOMIC_FLAG_INIT;
|
||||
};
|
||||
|
||||
using KScopedSpinLock = KScopedLock<KSpinLock>;
|
||||
|
||||
} // namespace Kernel
|
||||
42
src/core/hle/kernel/k_system_control.cpp
Executable file
42
src/core/hle/kernel/k_system_control.cpp
Executable file
@ -0,0 +1,42 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <random>
|
||||
|
||||
#include "core/hle/kernel/k_system_control.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
namespace {
|
||||
template <typename F>
|
||||
u64 GenerateUniformRange(u64 min, u64 max, F f) {
|
||||
// Handle the case where the difference is too large to represent.
|
||||
if (max == std::numeric_limits<u64>::max() && min == std::numeric_limits<u64>::min()) {
|
||||
return f();
|
||||
}
|
||||
|
||||
// Iterate until we get a value in range.
|
||||
const u64 range_size = ((max + 1) - min);
|
||||
const u64 effective_max = (std::numeric_limits<u64>::max() / range_size) * range_size;
|
||||
while (true) {
|
||||
if (const u64 rnd = f(); rnd < effective_max) {
|
||||
return min + (rnd % range_size);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
} // Anonymous namespace
|
||||
|
||||
u64 KSystemControl::GenerateRandomU64() {
|
||||
static std::random_device device;
|
||||
static std::mt19937 gen(device());
|
||||
static std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
|
||||
return distribution(gen);
|
||||
}
|
||||
|
||||
u64 KSystemControl::GenerateRandomRange(u64 min, u64 max) {
|
||||
return GenerateUniformRange(min, max, GenerateRandomU64);
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
||||
19
src/core/hle/kernel/k_system_control.h
Executable file
19
src/core/hle/kernel/k_system_control.h
Executable file
@ -0,0 +1,19 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KSystemControl {
|
||||
public:
|
||||
KSystemControl() = default;
|
||||
|
||||
static u64 GenerateRandomRange(u64 min, u64 max);
|
||||
static u64 GenerateRandomU64();
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
@ -20,13 +20,13 @@
|
||||
#include "core/hardware_properties.h"
|
||||
#include "core/hle/kernel/handle_table.h"
|
||||
#include "core/hle/kernel/k_condition_variable.h"
|
||||
#include "core/hle/kernel/k_memory_layout.h"
|
||||
#include "core/hle/kernel/k_resource_limit.h"
|
||||
#include "core/hle/kernel/k_scheduler.h"
|
||||
#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
|
||||
#include "core/hle/kernel/k_thread.h"
|
||||
#include "core/hle/kernel/k_thread_queue.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/hle/kernel/memory/memory_layout.h"
|
||||
#include "core/hle/kernel/object.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/kernel/svc_results.h"
|
||||
@ -782,7 +782,7 @@ void KThread::AddWaiterImpl(KThread* thread) {
|
||||
}
|
||||
|
||||
// Keep track of how many kernel waiters we have.
|
||||
if (Memory::IsKernelAddressKey(thread->GetAddressKey())) {
|
||||
if (IsKernelAddressKey(thread->GetAddressKey())) {
|
||||
ASSERT((num_kernel_waiters++) >= 0);
|
||||
}
|
||||
|
||||
@ -795,7 +795,7 @@ void KThread::RemoveWaiterImpl(KThread* thread) {
|
||||
ASSERT(kernel.GlobalSchedulerContext().IsLocked());
|
||||
|
||||
// Keep track of how many kernel waiters we have.
|
||||
if (Memory::IsKernelAddressKey(thread->GetAddressKey())) {
|
||||
if (IsKernelAddressKey(thread->GetAddressKey())) {
|
||||
ASSERT((num_kernel_waiters--) > 0);
|
||||
}
|
||||
|
||||
@ -870,7 +870,7 @@ KThread* KThread::RemoveWaiterByKey(s32* out_num_waiters, VAddr key) {
|
||||
KThread* thread = std::addressof(*it);
|
||||
|
||||
// Keep track of how many kernel waiters we have.
|
||||
if (Memory::IsKernelAddressKey(thread->GetAddressKey())) {
|
||||
if (IsKernelAddressKey(thread->GetAddressKey())) {
|
||||
ASSERT((num_kernel_waiters--) > 0);
|
||||
}
|
||||
it = waiter_list.erase(it);
|
||||
|
||||
@ -27,17 +27,17 @@
|
||||
#include "core/hardware_properties.h"
|
||||
#include "core/hle/kernel/client_port.h"
|
||||
#include "core/hle/kernel/handle_table.h"
|
||||
#include "core/hle/kernel/k_memory_layout.h"
|
||||
#include "core/hle/kernel/k_memory_manager.h"
|
||||
#include "core/hle/kernel/k_resource_limit.h"
|
||||
#include "core/hle/kernel/k_scheduler.h"
|
||||
#include "core/hle/kernel/k_shared_memory.h"
|
||||
#include "core/hle/kernel/k_slab_heap.h"
|
||||
#include "core/hle/kernel/k_thread.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/hle/kernel/memory/memory_layout.h"
|
||||
#include "core/hle/kernel/memory/memory_manager.h"
|
||||
#include "core/hle/kernel/memory/slab_heap.h"
|
||||
#include "core/hle/kernel/physical_core.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/kernel/service_thread.h"
|
||||
#include "core/hle/kernel/shared_memory.h"
|
||||
#include "core/hle/kernel/svc_results.h"
|
||||
#include "core/hle/kernel/time_manager.h"
|
||||
#include "core/hle/lock.h"
|
||||
@ -266,7 +266,7 @@ struct KernelCore::Impl {
|
||||
|
||||
void InitializeMemoryLayout() {
|
||||
// Initialize memory layout
|
||||
constexpr Memory::MemoryLayout layout{Memory::MemoryLayout::GetDefaultLayout()};
|
||||
constexpr KMemoryLayout layout{KMemoryLayout::GetDefaultLayout()};
|
||||
constexpr std::size_t hid_size{0x40000};
|
||||
constexpr std::size_t font_size{0x1100000};
|
||||
constexpr std::size_t irs_size{0x8000};
|
||||
@ -277,36 +277,36 @@ struct KernelCore::Impl {
|
||||
constexpr PAddr time_addr{layout.System().StartAddress() + hid_size + font_size + irs_size};
|
||||
|
||||
// Initialize memory manager
|
||||
memory_manager = std::make_unique<Memory::MemoryManager>();
|
||||
memory_manager->InitializeManager(Memory::MemoryManager::Pool::Application,
|
||||
memory_manager = std::make_unique<KMemoryManager>();
|
||||
memory_manager->InitializeManager(KMemoryManager::Pool::Application,
|
||||
layout.Application().StartAddress(),
|
||||
layout.Application().EndAddress());
|
||||
memory_manager->InitializeManager(Memory::MemoryManager::Pool::Applet,
|
||||
memory_manager->InitializeManager(KMemoryManager::Pool::Applet,
|
||||
layout.Applet().StartAddress(),
|
||||
layout.Applet().EndAddress());
|
||||
memory_manager->InitializeManager(Memory::MemoryManager::Pool::System,
|
||||
memory_manager->InitializeManager(KMemoryManager::Pool::System,
|
||||
layout.System().StartAddress(),
|
||||
layout.System().EndAddress());
|
||||
|
||||
hid_shared_mem = Kernel::SharedMemory::Create(
|
||||
system.Kernel(), system.DeviceMemory(), nullptr,
|
||||
{hid_addr, hid_size / Memory::PageSize}, Memory::MemoryPermission::None,
|
||||
Memory::MemoryPermission::Read, hid_addr, hid_size, "HID:SharedMemory");
|
||||
font_shared_mem = Kernel::SharedMemory::Create(
|
||||
system.Kernel(), system.DeviceMemory(), nullptr,
|
||||
{font_pa, font_size / Memory::PageSize}, Memory::MemoryPermission::None,
|
||||
Memory::MemoryPermission::Read, font_pa, font_size, "Font:SharedMemory");
|
||||
irs_shared_mem = Kernel::SharedMemory::Create(
|
||||
system.Kernel(), system.DeviceMemory(), nullptr,
|
||||
{irs_addr, irs_size / Memory::PageSize}, Memory::MemoryPermission::None,
|
||||
Memory::MemoryPermission::Read, irs_addr, irs_size, "IRS:SharedMemory");
|
||||
time_shared_mem = Kernel::SharedMemory::Create(
|
||||
system.Kernel(), system.DeviceMemory(), nullptr,
|
||||
{time_addr, time_size / Memory::PageSize}, Memory::MemoryPermission::None,
|
||||
Memory::MemoryPermission::Read, time_addr, time_size, "Time:SharedMemory");
|
||||
hid_shared_mem = Kernel::KSharedMemory::Create(
|
||||
system.Kernel(), system.DeviceMemory(), nullptr, {hid_addr, hid_size / PageSize},
|
||||
KMemoryPermission::None, KMemoryPermission::Read, hid_addr, hid_size,
|
||||
"HID:SharedMemory");
|
||||
font_shared_mem = Kernel::KSharedMemory::Create(
|
||||
system.Kernel(), system.DeviceMemory(), nullptr, {font_pa, font_size / PageSize},
|
||||
KMemoryPermission::None, KMemoryPermission::Read, font_pa, font_size,
|
||||
"Font:SharedMemory");
|
||||
irs_shared_mem = Kernel::KSharedMemory::Create(
|
||||
system.Kernel(), system.DeviceMemory(), nullptr, {irs_addr, irs_size / PageSize},
|
||||
KMemoryPermission::None, KMemoryPermission::Read, irs_addr, irs_size,
|
||||
"IRS:SharedMemory");
|
||||
time_shared_mem = Kernel::KSharedMemory::Create(
|
||||
system.Kernel(), system.DeviceMemory(), nullptr, {time_addr, time_size / PageSize},
|
||||
KMemoryPermission::None, KMemoryPermission::Read, time_addr, time_size,
|
||||
"Time:SharedMemory");
|
||||
|
||||
// Allocate slab heaps
|
||||
user_slab_heap_pages = std::make_unique<Memory::SlabHeap<Memory::Page>>();
|
||||
user_slab_heap_pages = std::make_unique<KSlabHeap<Page>>();
|
||||
|
||||
constexpr u64 user_slab_heap_size{0x1ef000};
|
||||
// Reserve slab heaps
|
||||
@ -348,14 +348,14 @@ struct KernelCore::Impl {
|
||||
std::atomic<u32> next_host_thread_id{Core::Hardware::NUM_CPU_CORES};
|
||||
|
||||
// Kernel memory management
|
||||
std::unique_ptr<Memory::MemoryManager> memory_manager;
|
||||
std::unique_ptr<Memory::SlabHeap<Memory::Page>> user_slab_heap_pages;
|
||||
std::unique_ptr<KMemoryManager> memory_manager;
|
||||
std::unique_ptr<KSlabHeap<Page>> user_slab_heap_pages;
|
||||
|
||||
// Shared memory for services
|
||||
std::shared_ptr<Kernel::SharedMemory> hid_shared_mem;
|
||||
std::shared_ptr<Kernel::SharedMemory> font_shared_mem;
|
||||
std::shared_ptr<Kernel::SharedMemory> irs_shared_mem;
|
||||
std::shared_ptr<Kernel::SharedMemory> time_shared_mem;
|
||||
std::shared_ptr<Kernel::KSharedMemory> hid_shared_mem;
|
||||
std::shared_ptr<Kernel::KSharedMemory> font_shared_mem;
|
||||
std::shared_ptr<Kernel::KSharedMemory> irs_shared_mem;
|
||||
std::shared_ptr<Kernel::KSharedMemory> time_shared_mem;
|
||||
|
||||
// Threads used for services
|
||||
std::unordered_set<std::shared_ptr<Kernel::ServiceThread>> service_threads;
|
||||
@ -573,51 +573,51 @@ KThread* KernelCore::GetCurrentEmuThread() const {
|
||||
return impl->GetCurrentEmuThread();
|
||||
}
|
||||
|
||||
Memory::MemoryManager& KernelCore::MemoryManager() {
|
||||
KMemoryManager& KernelCore::MemoryManager() {
|
||||
return *impl->memory_manager;
|
||||
}
|
||||
|
||||
const Memory::MemoryManager& KernelCore::MemoryManager() const {
|
||||
const KMemoryManager& KernelCore::MemoryManager() const {
|
||||
return *impl->memory_manager;
|
||||
}
|
||||
|
||||
Memory::SlabHeap<Memory::Page>& KernelCore::GetUserSlabHeapPages() {
|
||||
KSlabHeap<Page>& KernelCore::GetUserSlabHeapPages() {
|
||||
return *impl->user_slab_heap_pages;
|
||||
}
|
||||
|
||||
const Memory::SlabHeap<Memory::Page>& KernelCore::GetUserSlabHeapPages() const {
|
||||
const KSlabHeap<Page>& KernelCore::GetUserSlabHeapPages() const {
|
||||
return *impl->user_slab_heap_pages;
|
||||
}
|
||||
|
||||
Kernel::SharedMemory& KernelCore::GetHidSharedMem() {
|
||||
Kernel::KSharedMemory& KernelCore::GetHidSharedMem() {
|
||||
return *impl->hid_shared_mem;
|
||||
}
|
||||
|
||||
const Kernel::SharedMemory& KernelCore::GetHidSharedMem() const {
|
||||
const Kernel::KSharedMemory& KernelCore::GetHidSharedMem() const {
|
||||
return *impl->hid_shared_mem;
|
||||
}
|
||||
|
||||
Kernel::SharedMemory& KernelCore::GetFontSharedMem() {
|
||||
Kernel::KSharedMemory& KernelCore::GetFontSharedMem() {
|
||||
return *impl->font_shared_mem;
|
||||
}
|
||||
|
||||
const Kernel::SharedMemory& KernelCore::GetFontSharedMem() const {
|
||||
const Kernel::KSharedMemory& KernelCore::GetFontSharedMem() const {
|
||||
return *impl->font_shared_mem;
|
||||
}
|
||||
|
||||
Kernel::SharedMemory& KernelCore::GetIrsSharedMem() {
|
||||
Kernel::KSharedMemory& KernelCore::GetIrsSharedMem() {
|
||||
return *impl->irs_shared_mem;
|
||||
}
|
||||
|
||||
const Kernel::SharedMemory& KernelCore::GetIrsSharedMem() const {
|
||||
const Kernel::KSharedMemory& KernelCore::GetIrsSharedMem() const {
|
||||
return *impl->irs_shared_mem;
|
||||
}
|
||||
|
||||
Kernel::SharedMemory& KernelCore::GetTimeSharedMem() {
|
||||
Kernel::KSharedMemory& KernelCore::GetTimeSharedMem() {
|
||||
return *impl->time_shared_mem;
|
||||
}
|
||||
|
||||
const Kernel::SharedMemory& KernelCore::GetTimeSharedMem() const {
|
||||
const Kernel::KSharedMemory& KernelCore::GetTimeSharedMem() const {
|
||||
return *impl->time_shared_mem;
|
||||
}
|
||||
|
||||
|
||||
@ -11,7 +11,7 @@
|
||||
#include <vector>
|
||||
#include "core/arm/cpu_interrupt_handler.h"
|
||||
#include "core/hardware_properties.h"
|
||||
#include "core/hle/kernel/memory/memory_types.h"
|
||||
#include "core/hle/kernel/memory_types.h"
|
||||
#include "core/hle/kernel/object.h"
|
||||
|
||||
namespace Core {
|
||||
@ -27,25 +27,23 @@ struct EventType;
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
namespace Memory {
|
||||
class MemoryManager;
|
||||
template <typename T>
|
||||
class SlabHeap;
|
||||
} // namespace Memory
|
||||
|
||||
class ClientPort;
|
||||
class GlobalSchedulerContext;
|
||||
class HandleTable;
|
||||
class PhysicalCore;
|
||||
class Process;
|
||||
class KMemoryManager;
|
||||
class KResourceLimit;
|
||||
class KScheduler;
|
||||
class SharedMemory;
|
||||
class KSharedMemory;
|
||||
class KThread;
|
||||
class PhysicalCore;
|
||||
class Process;
|
||||
class ServiceThread;
|
||||
class Synchronization;
|
||||
class KThread;
|
||||
class TimeManager;
|
||||
|
||||
template <typename T>
|
||||
class KSlabHeap;
|
||||
|
||||
using EmuThreadHandle = uintptr_t;
|
||||
constexpr EmuThreadHandle EmuThreadHandleInvalid{};
|
||||
constexpr EmuThreadHandle EmuThreadHandleReserved{1ULL << 63};
|
||||
@ -178,40 +176,40 @@ public:
|
||||
void RegisterHostThread();
|
||||
|
||||
/// Gets the virtual memory manager for the kernel.
|
||||
Memory::MemoryManager& MemoryManager();
|
||||
KMemoryManager& MemoryManager();
|
||||
|
||||
/// Gets the virtual memory manager for the kernel.
|
||||
const Memory::MemoryManager& MemoryManager() const;
|
||||
const KMemoryManager& MemoryManager() const;
|
||||
|
||||
/// Gets the slab heap allocated for user space pages.
|
||||
Memory::SlabHeap<Memory::Page>& GetUserSlabHeapPages();
|
||||
KSlabHeap<Page>& GetUserSlabHeapPages();
|
||||
|
||||
/// Gets the slab heap allocated for user space pages.
|
||||
const Memory::SlabHeap<Memory::Page>& GetUserSlabHeapPages() const;
|
||||
const KSlabHeap<Page>& GetUserSlabHeapPages() const;
|
||||
|
||||
/// Gets the shared memory object for HID services.
|
||||
Kernel::SharedMemory& GetHidSharedMem();
|
||||
Kernel::KSharedMemory& GetHidSharedMem();
|
||||
|
||||
/// Gets the shared memory object for HID services.
|
||||
const Kernel::SharedMemory& GetHidSharedMem() const;
|
||||
const Kernel::KSharedMemory& GetHidSharedMem() const;
|
||||
|
||||
/// Gets the shared memory object for font services.
|
||||
Kernel::SharedMemory& GetFontSharedMem();
|
||||
Kernel::KSharedMemory& GetFontSharedMem();
|
||||
|
||||
/// Gets the shared memory object for font services.
|
||||
const Kernel::SharedMemory& GetFontSharedMem() const;
|
||||
const Kernel::KSharedMemory& GetFontSharedMem() const;
|
||||
|
||||
/// Gets the shared memory object for IRS services.
|
||||
Kernel::SharedMemory& GetIrsSharedMem();
|
||||
Kernel::KSharedMemory& GetIrsSharedMem();
|
||||
|
||||
/// Gets the shared memory object for IRS services.
|
||||
const Kernel::SharedMemory& GetIrsSharedMem() const;
|
||||
const Kernel::KSharedMemory& GetIrsSharedMem() const;
|
||||
|
||||
/// Gets the shared memory object for Time services.
|
||||
Kernel::SharedMemory& GetTimeSharedMem();
|
||||
Kernel::KSharedMemory& GetTimeSharedMem();
|
||||
|
||||
/// Gets the shared memory object for Time services.
|
||||
const Kernel::SharedMemory& GetTimeSharedMem() const;
|
||||
const Kernel::KSharedMemory& GetTimeSharedMem() const;
|
||||
|
||||
/// Suspend/unsuspend the OS.
|
||||
void Suspend(bool in_suspention);
|
||||
|
||||
18
src/core/hle/kernel/memory_types.h
Executable file
18
src/core/hle/kernel/memory_types.h
Executable file
@ -0,0 +1,18 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
|
||||
#include "common/common_types.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
constexpr std::size_t PageBits{12};
|
||||
constexpr std::size_t PageSize{1 << PageBits};
|
||||
|
||||
using Page = std::array<u8, PageSize>;
|
||||
|
||||
} // namespace Kernel
|
||||
@ -14,14 +14,14 @@
|
||||
#include "core/device_memory.h"
|
||||
#include "core/file_sys/program_metadata.h"
|
||||
#include "core/hle/kernel/code_set.h"
|
||||
#include "core/hle/kernel/k_memory_block_manager.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/k_resource_limit.h"
|
||||
#include "core/hle/kernel/k_scheduler.h"
|
||||
#include "core/hle/kernel/k_scoped_resource_reservation.h"
|
||||
#include "core/hle/kernel/k_slab_heap.h"
|
||||
#include "core/hle/kernel/k_thread.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/hle/kernel/memory/memory_block_manager.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/memory/slab_heap.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/kernel/svc_results.h"
|
||||
#include "core/hle/lock.h"
|
||||
@ -274,7 +274,7 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
|
||||
// Set initial resource limits
|
||||
resource_limit->SetLimitValue(
|
||||
LimitableResource::PhysicalMemory,
|
||||
kernel.MemoryManager().GetSize(Memory::MemoryManager::Pool::Application));
|
||||
kernel.MemoryManager().GetSize(KMemoryManager::Pool::Application));
|
||||
KScopedResourceReservation memory_reservation(resource_limit, LimitableResource::PhysicalMemory,
|
||||
code_size + system_resource_size);
|
||||
if (!memory_reservation.Succeeded()) {
|
||||
@ -285,15 +285,15 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
|
||||
// Initialize proces address space
|
||||
if (const ResultCode result{
|
||||
page_table->InitializeForProcess(metadata.GetAddressSpaceType(), false, 0x8000000,
|
||||
code_size, Memory::MemoryManager::Pool::Application)};
|
||||
code_size, KMemoryManager::Pool::Application)};
|
||||
result.IsError()) {
|
||||
return result;
|
||||
}
|
||||
|
||||
// Map process code region
|
||||
if (const ResultCode result{page_table->MapProcessCode(
|
||||
page_table->GetCodeRegionStart(), code_size / Memory::PageSize,
|
||||
Memory::MemoryState::Code, Memory::MemoryPermission::None)};
|
||||
if (const ResultCode result{page_table->MapProcessCode(page_table->GetCodeRegionStart(),
|
||||
code_size / PageSize, KMemoryState::Code,
|
||||
KMemoryPermission::None)};
|
||||
result.IsError()) {
|
||||
return result;
|
||||
}
|
||||
@ -323,6 +323,11 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
|
||||
UNREACHABLE();
|
||||
}
|
||||
|
||||
// Set initial resource limits
|
||||
resource_limit->SetLimitValue(
|
||||
LimitableResource::PhysicalMemory,
|
||||
kernel.MemoryManager().GetSize(KMemoryManager::Pool::Application));
|
||||
|
||||
resource_limit->SetLimitValue(LimitableResource::Threads, 608);
|
||||
resource_limit->SetLimitValue(LimitableResource::Events, 700);
|
||||
resource_limit->SetLimitValue(LimitableResource::TransferMemory, 128);
|
||||
@ -400,22 +405,22 @@ VAddr Process::CreateTLSRegion() {
|
||||
return *tls_page_iter->ReserveSlot();
|
||||
}
|
||||
|
||||
Memory::Page* const tls_page_ptr{kernel.GetUserSlabHeapPages().Allocate()};
|
||||
Page* const tls_page_ptr{kernel.GetUserSlabHeapPages().Allocate()};
|
||||
ASSERT(tls_page_ptr);
|
||||
|
||||
const VAddr start{page_table->GetKernelMapRegionStart()};
|
||||
const VAddr size{page_table->GetKernelMapRegionEnd() - start};
|
||||
const PAddr tls_map_addr{system.DeviceMemory().GetPhysicalAddr(tls_page_ptr)};
|
||||
const VAddr tls_page_addr{
|
||||
page_table
|
||||
->AllocateAndMapMemory(1, Memory::PageSize, true, start, size / Memory::PageSize,
|
||||
Memory::MemoryState::ThreadLocal,
|
||||
Memory::MemoryPermission::ReadAndWrite, tls_map_addr)
|
||||
.ValueOr(0)};
|
||||
const VAddr tls_page_addr{page_table
|
||||
->AllocateAndMapMemory(1, PageSize, true, start, size / PageSize,
|
||||
KMemoryState::ThreadLocal,
|
||||
KMemoryPermission::ReadAndWrite,
|
||||
tls_map_addr)
|
||||
.ValueOr(0)};
|
||||
|
||||
ASSERT(tls_page_addr);
|
||||
|
||||
std::memset(tls_page_ptr, 0, Memory::PageSize);
|
||||
std::memset(tls_page_ptr, 0, PageSize);
|
||||
tls_pages.emplace_back(tls_page_addr);
|
||||
|
||||
const auto reserve_result{tls_pages.back().ReserveSlot()};
|
||||
@ -442,15 +447,15 @@ void Process::FreeTLSRegion(VAddr tls_address) {
|
||||
void Process::LoadModule(CodeSet code_set, VAddr base_addr) {
|
||||
std::lock_guard lock{HLE::g_hle_lock};
|
||||
const auto ReprotectSegment = [&](const CodeSet::Segment& segment,
|
||||
Memory::MemoryPermission permission) {
|
||||
KMemoryPermission permission) {
|
||||
page_table->SetCodeMemoryPermission(segment.addr + base_addr, segment.size, permission);
|
||||
};
|
||||
|
||||
system.Memory().WriteBlock(*this, base_addr, code_set.memory.data(), code_set.memory.size());
|
||||
|
||||
ReprotectSegment(code_set.CodeSegment(), Memory::MemoryPermission::ReadAndExecute);
|
||||
ReprotectSegment(code_set.RODataSegment(), Memory::MemoryPermission::Read);
|
||||
ReprotectSegment(code_set.DataSegment(), Memory::MemoryPermission::ReadAndWrite);
|
||||
ReprotectSegment(code_set.CodeSegment(), KMemoryPermission::ReadAndExecute);
|
||||
ReprotectSegment(code_set.RODataSegment(), KMemoryPermission::Read);
|
||||
ReprotectSegment(code_set.DataSegment(), KMemoryPermission::ReadAndWrite);
|
||||
}
|
||||
|
||||
bool Process::IsSignaled() const {
|
||||
@ -459,9 +464,9 @@ bool Process::IsSignaled() const {
|
||||
}
|
||||
|
||||
Process::Process(Core::System& system)
|
||||
: KSynchronizationObject{system.Kernel()},
|
||||
page_table{std::make_unique<Memory::PageTable>(system)}, handle_table{system.Kernel()},
|
||||
address_arbiter{system}, condition_var{system}, state_lock{system.Kernel()}, system{system} {}
|
||||
: KSynchronizationObject{system.Kernel()}, page_table{std::make_unique<KPageTable>(system)},
|
||||
handle_table{system.Kernel()}, address_arbiter{system}, condition_var{system},
|
||||
state_lock{system.Kernel()}, system{system} {}
|
||||
|
||||
Process::~Process() = default;
|
||||
|
||||
@ -479,16 +484,15 @@ ResultCode Process::AllocateMainThreadStack(std::size_t stack_size) {
|
||||
ASSERT(stack_size);
|
||||
|
||||
// The kernel always ensures that the given stack size is page aligned.
|
||||
main_thread_stack_size = Common::AlignUp(stack_size, Memory::PageSize);
|
||||
main_thread_stack_size = Common::AlignUp(stack_size, PageSize);
|
||||
|
||||
const VAddr start{page_table->GetStackRegionStart()};
|
||||
const std::size_t size{page_table->GetStackRegionEnd() - start};
|
||||
|
||||
CASCADE_RESULT(main_thread_stack_top,
|
||||
page_table->AllocateAndMapMemory(
|
||||
main_thread_stack_size / Memory::PageSize, Memory::PageSize, false, start,
|
||||
size / Memory::PageSize, Memory::MemoryState::Stack,
|
||||
Memory::MemoryPermission::ReadAndWrite));
|
||||
main_thread_stack_size / PageSize, PageSize, false, start, size / PageSize,
|
||||
KMemoryState::Stack, KMemoryPermission::ReadAndWrite));
|
||||
|
||||
main_thread_stack_top += main_thread_stack_size;
|
||||
|
||||
|
||||
@ -29,16 +29,13 @@ class ProgramMetadata;
|
||||
namespace Kernel {
|
||||
|
||||
class KernelCore;
|
||||
class KPageTable;
|
||||
class KResourceLimit;
|
||||
class KThread;
|
||||
class TLSPage;
|
||||
|
||||
struct CodeSet;
|
||||
|
||||
namespace Memory {
|
||||
class PageTable;
|
||||
}
|
||||
|
||||
enum class MemoryRegion : u16 {
|
||||
APPLICATION = 1,
|
||||
SYSTEM = 2,
|
||||
@ -104,12 +101,12 @@ public:
|
||||
}
|
||||
|
||||
/// Gets a reference to the process' page table.
|
||||
Memory::PageTable& PageTable() {
|
||||
KPageTable& PageTable() {
|
||||
return *page_table;
|
||||
}
|
||||
|
||||
/// Gets const a reference to the process' page table.
|
||||
const Memory::PageTable& PageTable() const {
|
||||
const KPageTable& PageTable() const {
|
||||
return *page_table;
|
||||
}
|
||||
|
||||
@ -385,7 +382,7 @@ private:
|
||||
ResultCode AllocateMainThreadStack(std::size_t stack_size);
|
||||
|
||||
/// Memory manager for this process
|
||||
std::unique_ptr<Memory::PageTable> page_table;
|
||||
std::unique_ptr<KPageTable> page_table;
|
||||
|
||||
/// Current status of the process
|
||||
ProcessStatus status{};
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
#include "common/bit_util.h"
|
||||
#include "common/logging/log.h"
|
||||
#include "core/hle/kernel/handle_table.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/process_capability.h"
|
||||
#include "core/hle/kernel/svc_results.h"
|
||||
|
||||
@ -69,7 +69,7 @@ u32 GetFlagBitOffset(CapabilityType type) {
|
||||
|
||||
ResultCode ProcessCapabilities::InitializeForKernelProcess(const u32* capabilities,
|
||||
std::size_t num_capabilities,
|
||||
Memory::PageTable& page_table) {
|
||||
KPageTable& page_table) {
|
||||
Clear();
|
||||
|
||||
// Allow all cores and priorities.
|
||||
@ -82,7 +82,7 @@ ResultCode ProcessCapabilities::InitializeForKernelProcess(const u32* capabiliti
|
||||
|
||||
ResultCode ProcessCapabilities::InitializeForUserProcess(const u32* capabilities,
|
||||
std::size_t num_capabilities,
|
||||
Memory::PageTable& page_table) {
|
||||
KPageTable& page_table) {
|
||||
Clear();
|
||||
|
||||
return ParseCapabilities(capabilities, num_capabilities, page_table);
|
||||
@ -108,7 +108,7 @@ void ProcessCapabilities::InitializeForMetadatalessProcess() {
|
||||
|
||||
ResultCode ProcessCapabilities::ParseCapabilities(const u32* capabilities,
|
||||
std::size_t num_capabilities,
|
||||
Memory::PageTable& page_table) {
|
||||
KPageTable& page_table) {
|
||||
u32 set_flags = 0;
|
||||
u32 set_svc_bits = 0;
|
||||
|
||||
@ -155,7 +155,7 @@ ResultCode ProcessCapabilities::ParseCapabilities(const u32* capabilities,
|
||||
}
|
||||
|
||||
ResultCode ProcessCapabilities::ParseSingleFlagCapability(u32& set_flags, u32& set_svc_bits,
|
||||
u32 flag, Memory::PageTable& page_table) {
|
||||
u32 flag, KPageTable& page_table) {
|
||||
const auto type = GetCapabilityType(flag);
|
||||
|
||||
if (type == CapabilityType::Unset) {
|
||||
@ -293,12 +293,12 @@ ResultCode ProcessCapabilities::HandleSyscallFlags(u32& set_svc_bits, u32 flags)
|
||||
}
|
||||
|
||||
ResultCode ProcessCapabilities::HandleMapPhysicalFlags(u32 flags, u32 size_flags,
|
||||
Memory::PageTable& page_table) {
|
||||
KPageTable& page_table) {
|
||||
// TODO(Lioncache): Implement once the memory manager can handle this.
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
ResultCode ProcessCapabilities::HandleMapIOFlags(u32 flags, Memory::PageTable& page_table) {
|
||||
ResultCode ProcessCapabilities::HandleMapIOFlags(u32 flags, KPageTable& page_table) {
|
||||
// TODO(Lioncache): Implement once the memory manager can handle this.
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
@ -12,9 +12,7 @@ union ResultCode;
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
namespace Memory {
|
||||
class PageTable;
|
||||
}
|
||||
class KPageTable;
|
||||
|
||||
/// The possible types of programs that may be indicated
|
||||
/// by the program type capability descriptor.
|
||||
@ -90,7 +88,7 @@ public:
|
||||
/// otherwise, an error code upon failure.
|
||||
///
|
||||
ResultCode InitializeForKernelProcess(const u32* capabilities, std::size_t num_capabilities,
|
||||
Memory::PageTable& page_table);
|
||||
KPageTable& page_table);
|
||||
|
||||
/// Initializes this process capabilities instance for a userland process.
|
||||
///
|
||||
@ -103,7 +101,7 @@ public:
|
||||
/// otherwise, an error code upon failure.
|
||||
///
|
||||
ResultCode InitializeForUserProcess(const u32* capabilities, std::size_t num_capabilities,
|
||||
Memory::PageTable& page_table);
|
||||
KPageTable& page_table);
|
||||
|
||||
/// Initializes this process capabilities instance for a process that does not
|
||||
/// have any metadata to parse.
|
||||
@ -189,7 +187,7 @@ private:
|
||||
/// @return RESULT_SUCCESS if no errors occur, otherwise an error code.
|
||||
///
|
||||
ResultCode ParseCapabilities(const u32* capabilities, std::size_t num_capabilities,
|
||||
Memory::PageTable& page_table);
|
||||
KPageTable& page_table);
|
||||
|
||||
/// Attempts to parse a capability descriptor that is only represented by a
|
||||
/// single flag set.
|
||||
@ -204,7 +202,7 @@ private:
|
||||
/// @return RESULT_SUCCESS if no errors occurred, otherwise an error code.
|
||||
///
|
||||
ResultCode ParseSingleFlagCapability(u32& set_flags, u32& set_svc_bits, u32 flag,
|
||||
Memory::PageTable& page_table);
|
||||
KPageTable& page_table);
|
||||
|
||||
/// Clears the internal state of this process capability instance. Necessary,
|
||||
/// to have a sane starting point due to us allowing running executables without
|
||||
@ -228,10 +226,10 @@ private:
|
||||
ResultCode HandleSyscallFlags(u32& set_svc_bits, u32 flags);
|
||||
|
||||
/// Handles flags related to mapping physical memory pages.
|
||||
ResultCode HandleMapPhysicalFlags(u32 flags, u32 size_flags, Memory::PageTable& page_table);
|
||||
ResultCode HandleMapPhysicalFlags(u32 flags, u32 size_flags, KPageTable& page_table);
|
||||
|
||||
/// Handles flags related to mapping IO pages.
|
||||
ResultCode HandleMapIOFlags(u32 flags, Memory::PageTable& page_table);
|
||||
ResultCode HandleMapIOFlags(u32 flags, KPageTable& page_table);
|
||||
|
||||
/// Handles flags related to the interrupt capability flags.
|
||||
ResultCode HandleInterruptFlags(u32 flags);
|
||||
|
||||
@ -27,21 +27,21 @@
|
||||
#include "core/hle/kernel/k_address_arbiter.h"
|
||||
#include "core/hle/kernel/k_condition_variable.h"
|
||||
#include "core/hle/kernel/k_event.h"
|
||||
#include "core/hle/kernel/k_memory_block.h"
|
||||
#include "core/hle/kernel/k_memory_layout.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/k_readable_event.h"
|
||||
#include "core/hle/kernel/k_resource_limit.h"
|
||||
#include "core/hle/kernel/k_scheduler.h"
|
||||
#include "core/hle/kernel/k_scoped_resource_reservation.h"
|
||||
#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
|
||||
#include "core/hle/kernel/k_shared_memory.h"
|
||||
#include "core/hle/kernel/k_synchronization_object.h"
|
||||
#include "core/hle/kernel/k_thread.h"
|
||||
#include "core/hle/kernel/k_writable_event.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/hle/kernel/memory/memory_block.h"
|
||||
#include "core/hle/kernel/memory/memory_layout.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/physical_core.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/kernel/shared_memory.h"
|
||||
#include "core/hle/kernel/svc.h"
|
||||
#include "core/hle/kernel/svc_results.h"
|
||||
#include "core/hle/kernel/svc_types.h"
|
||||
@ -67,8 +67,8 @@ constexpr bool IsValidAddressRange(VAddr address, u64 size) {
|
||||
// Helper function that performs the common sanity checks for svcMapMemory
|
||||
// and svcUnmapMemory. This is doable, as both functions perform their sanitizing
|
||||
// in the same order.
|
||||
ResultCode MapUnmapMemorySanityChecks(const Memory::PageTable& manager, VAddr dst_addr,
|
||||
VAddr src_addr, u64 size) {
|
||||
ResultCode MapUnmapMemorySanityChecks(const KPageTable& manager, VAddr dst_addr, VAddr src_addr,
|
||||
u64 size) {
|
||||
if (!Common::Is4KBAligned(dst_addr)) {
|
||||
LOG_ERROR(Kernel_SVC, "Destination address is not aligned to 4KB, 0x{:016X}", dst_addr);
|
||||
return ResultInvalidAddress;
|
||||
@ -230,9 +230,9 @@ static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 si
|
||||
return ResultInvalidCurrentMemory;
|
||||
}
|
||||
|
||||
const auto attributes{static_cast<Memory::MemoryAttribute>(mask | attribute)};
|
||||
if (attributes != static_cast<Memory::MemoryAttribute>(mask) ||
|
||||
(attributes | Memory::MemoryAttribute::Uncached) != Memory::MemoryAttribute::Uncached) {
|
||||
const auto attributes{static_cast<MemoryAttribute>(mask | attribute)};
|
||||
if (attributes != static_cast<MemoryAttribute>(mask) ||
|
||||
(attributes | MemoryAttribute::Uncached) != MemoryAttribute::Uncached) {
|
||||
LOG_ERROR(Kernel_SVC,
|
||||
"Memory attribute doesn't match the given mask (Attribute: 0x{:X}, Mask: {:X}",
|
||||
attribute, mask);
|
||||
@ -241,8 +241,8 @@ static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 si
|
||||
|
||||
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
|
||||
|
||||
return page_table.SetMemoryAttribute(address, size, static_cast<Memory::MemoryAttribute>(mask),
|
||||
static_cast<Memory::MemoryAttribute>(attribute));
|
||||
return page_table.SetMemoryAttribute(address, size, static_cast<KMemoryAttribute>(mask),
|
||||
static_cast<KMemoryAttribute>(attribute));
|
||||
}
|
||||
|
||||
static ResultCode SetMemoryAttribute32(Core::System& system, u32 address, u32 size, u32 mask,
|
||||
@ -508,7 +508,7 @@ static ResultCode ArbitrateLock(Core::System& system, Handle thread_handle, VAdd
|
||||
thread_handle, address, tag);
|
||||
|
||||
// Validate the input address.
|
||||
if (Memory::IsKernelAddress(address)) {
|
||||
if (IsKernelAddress(address)) {
|
||||
LOG_ERROR(Kernel_SVC, "Attempting to arbitrate a lock on a kernel address (address={:08X})",
|
||||
address);
|
||||
return ResultInvalidCurrentMemory;
|
||||
@ -531,8 +531,7 @@ static ResultCode ArbitrateUnlock(Core::System& system, VAddr address) {
|
||||
LOG_TRACE(Kernel_SVC, "called address=0x{:X}", address);
|
||||
|
||||
// Validate the input address.
|
||||
|
||||
if (Memory::IsKernelAddress(address)) {
|
||||
if (IsKernelAddress(address)) {
|
||||
LOG_ERROR(Kernel_SVC,
|
||||
"Attempting to arbitrate an unlock on a kernel address (address={:08X})",
|
||||
address);
|
||||
@ -1232,9 +1231,8 @@ static ResultCode MapSharedMemory(Core::System& system, Handle shared_memory_han
|
||||
return ResultInvalidCurrentMemory;
|
||||
}
|
||||
|
||||
const auto permission_type = static_cast<Memory::MemoryPermission>(permissions);
|
||||
if ((permission_type | Memory::MemoryPermission::Write) !=
|
||||
Memory::MemoryPermission::ReadAndWrite) {
|
||||
const auto permission_type = static_cast<MemoryPermission>(permissions);
|
||||
if ((permission_type | MemoryPermission::Write) != MemoryPermission::ReadWrite) {
|
||||
LOG_ERROR(Kernel_SVC, "Expected Read or ReadWrite permission but got permissions=0x{:08X}",
|
||||
permissions);
|
||||
return ResultInvalidMemoryPermissions;
|
||||
@ -1267,14 +1265,15 @@ static ResultCode MapSharedMemory(Core::System& system, Handle shared_memory_han
|
||||
return ResultInvalidMemoryRange;
|
||||
}
|
||||
|
||||
auto shared_memory{current_process->GetHandleTable().Get<SharedMemory>(shared_memory_handle)};
|
||||
auto shared_memory{current_process->GetHandleTable().Get<KSharedMemory>(shared_memory_handle)};
|
||||
if (!shared_memory) {
|
||||
LOG_ERROR(Kernel_SVC, "Shared memory does not exist, shared_memory_handle=0x{:08X}",
|
||||
shared_memory_handle);
|
||||
return ResultInvalidHandle;
|
||||
}
|
||||
|
||||
return shared_memory->Map(*current_process, addr, size, permission_type);
|
||||
return shared_memory->Map(*current_process, addr, size,
|
||||
static_cast<KMemoryPermission>(permission_type));
|
||||
}
|
||||
|
||||
static ResultCode MapSharedMemory32(Core::System& system, Handle shared_memory_handle, u32 addr,
|
||||
@ -1638,7 +1637,7 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr address,
|
||||
cv_key, tag, timeout_ns);
|
||||
|
||||
// Validate input.
|
||||
if (Memory::IsKernelAddress(address)) {
|
||||
if (IsKernelAddress(address)) {
|
||||
LOG_ERROR(Kernel_SVC, "Attempted to wait on kernel address (address={:08X})", address);
|
||||
return ResultInvalidCurrentMemory;
|
||||
}
|
||||
@ -1720,7 +1719,7 @@ static ResultCode WaitForAddress(Core::System& system, VAddr address, Svc::Arbit
|
||||
address, arb_type, value, timeout_ns);
|
||||
|
||||
// Validate input.
|
||||
if (Memory::IsKernelAddress(address)) {
|
||||
if (IsKernelAddress(address)) {
|
||||
LOG_ERROR(Kernel_SVC, "Attempting to wait on kernel address (address={:08X})", address);
|
||||
return ResultInvalidCurrentMemory;
|
||||
}
|
||||
@ -1765,7 +1764,7 @@ static ResultCode SignalToAddress(Core::System& system, VAddr address, Svc::Sign
|
||||
address, signal_type, value, count);
|
||||
|
||||
// Validate input.
|
||||
if (Memory::IsKernelAddress(address)) {
|
||||
if (IsKernelAddress(address)) {
|
||||
LOG_ERROR(Kernel_SVC, "Attempting to signal to a kernel address (address={:08X})", address);
|
||||
return ResultInvalidCurrentMemory;
|
||||
}
|
||||
@ -1887,9 +1886,8 @@ static ResultCode CreateTransferMemory(Core::System& system, Handle* handle, VAd
|
||||
return ResultInvalidCurrentMemory;
|
||||
}
|
||||
|
||||
const auto perms{static_cast<Memory::MemoryPermission>(permissions)};
|
||||
if (perms > Memory::MemoryPermission::ReadAndWrite ||
|
||||
perms == Memory::MemoryPermission::Write) {
|
||||
const auto perms{static_cast<MemoryPermission>(permissions)};
|
||||
if (perms > MemoryPermission::ReadWrite || perms == MemoryPermission::Write) {
|
||||
LOG_ERROR(Kernel_SVC, "Invalid memory permissions for transfer memory! (perms={:08X})",
|
||||
permissions);
|
||||
return ResultInvalidMemoryPermissions;
|
||||
@ -1903,7 +1901,8 @@ static ResultCode CreateTransferMemory(Core::System& system, Handle* handle, VAd
|
||||
LOG_ERROR(Kernel_SVC, "Could not reserve a new transfer memory");
|
||||
return ResultResourceLimitedExceeded;
|
||||
}
|
||||
auto transfer_mem_handle = TransferMemory::Create(kernel, system.Memory(), addr, size, perms);
|
||||
auto transfer_mem_handle = TransferMemory::Create(kernel, system.Memory(), addr, size,
|
||||
static_cast<KMemoryPermission>(perms));
|
||||
|
||||
if (const auto reserve_result{transfer_mem_handle->Reserve()}; reserve_result.IsError()) {
|
||||
return reserve_result;
|
||||
|
||||
@ -2,9 +2,9 @@
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/k_resource_limit.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/kernel/transfer_memory.h"
|
||||
#include "core/hle/result.h"
|
||||
@ -24,7 +24,7 @@ TransferMemory::~TransferMemory() {
|
||||
std::shared_ptr<TransferMemory> TransferMemory::Create(KernelCore& kernel,
|
||||
Core::Memory::Memory& memory,
|
||||
VAddr base_address, std::size_t size,
|
||||
Memory::MemoryPermission permissions) {
|
||||
KMemoryPermission permissions) {
|
||||
std::shared_ptr<TransferMemory> transfer_memory{
|
||||
std::make_shared<TransferMemory>(kernel, memory)};
|
||||
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
|
||||
#include <memory>
|
||||
|
||||
#include "core/hle/kernel/memory/memory_block.h"
|
||||
#include "core/hle/kernel/k_memory_block.h"
|
||||
#include "core/hle/kernel/object.h"
|
||||
#include "core/hle/kernel/physical_memory.h"
|
||||
|
||||
@ -36,7 +36,7 @@ public:
|
||||
|
||||
static std::shared_ptr<TransferMemory> Create(KernelCore& kernel, Core::Memory::Memory& memory,
|
||||
VAddr base_address, std::size_t size,
|
||||
Memory::MemoryPermission permissions);
|
||||
KMemoryPermission permissions);
|
||||
|
||||
TransferMemory(const TransferMemory&) = delete;
|
||||
TransferMemory& operator=(const TransferMemory&) = delete;
|
||||
@ -82,7 +82,7 @@ private:
|
||||
std::size_t size{};
|
||||
|
||||
/// The memory permissions that are applied to this instance.
|
||||
Memory::MemoryPermission owner_permissions{};
|
||||
KMemoryPermission owner_permissions{};
|
||||
|
||||
/// The process that this transfer memory instance was created under.
|
||||
Process* owner_process{};
|
||||
|
||||
@ -15,9 +15,9 @@
|
||||
#include "core/hle/kernel/client_port.h"
|
||||
#include "core/hle/kernel/client_session.h"
|
||||
#include "core/hle/kernel/k_readable_event.h"
|
||||
#include "core/hle/kernel/k_shared_memory.h"
|
||||
#include "core/hle/kernel/k_writable_event.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/hle/kernel/shared_memory.h"
|
||||
#include "core/hle/service/hid/errors.h"
|
||||
#include "core/hle/service/hid/hid.h"
|
||||
#include "core/hle/service/hid/irs.h"
|
||||
|
||||
@ -14,7 +14,7 @@ struct EventType;
|
||||
}
|
||||
|
||||
namespace Kernel {
|
||||
class SharedMemory;
|
||||
class KSharedMemory;
|
||||
}
|
||||
|
||||
namespace Service::SM {
|
||||
@ -69,7 +69,7 @@ private:
|
||||
void UpdateControllers(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
|
||||
void UpdateMotion(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
|
||||
|
||||
std::shared_ptr<Kernel::SharedMemory> shared_mem;
|
||||
std::shared_ptr<Kernel::KSharedMemory> shared_mem;
|
||||
|
||||
std::shared_ptr<Core::Timing::EventType> pad_update_event;
|
||||
std::shared_ptr<Core::Timing::EventType> motion_update_event;
|
||||
|
||||
@ -6,8 +6,8 @@
|
||||
#include "core/core.h"
|
||||
#include "core/core_timing.h"
|
||||
#include "core/hle/ipc_helpers.h"
|
||||
#include "core/hle/kernel/k_shared_memory.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/hle/kernel/shared_memory.h"
|
||||
#include "core/hle/service/hid/irs.h"
|
||||
|
||||
namespace Service::HID {
|
||||
|
||||
@ -12,7 +12,7 @@ class System;
|
||||
}
|
||||
|
||||
namespace Kernel {
|
||||
class SharedMemory;
|
||||
class KSharedMemory;
|
||||
}
|
||||
|
||||
namespace Service::HID {
|
||||
@ -42,7 +42,7 @@ private:
|
||||
void StopImageProcessorAsync(Kernel::HLERequestContext& ctx);
|
||||
void ActivateIrsensorWithFunctionLevel(Kernel::HLERequestContext& ctx);
|
||||
|
||||
std::shared_ptr<Kernel::SharedMemory> shared_mem;
|
||||
std::shared_ptr<Kernel::KSharedMemory> shared_mem;
|
||||
const u32 device_handle{0xABCD};
|
||||
};
|
||||
|
||||
|
||||
@ -11,8 +11,8 @@
|
||||
#include "common/scope_exit.h"
|
||||
#include "core/core.h"
|
||||
#include "core/hle/ipc_helpers.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/memory/system_control.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/k_system_control.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/kernel/svc_results.h"
|
||||
#include "core/hle/service/ldr/ldr.h"
|
||||
@ -287,12 +287,11 @@ public:
|
||||
rb.Push(RESULT_SUCCESS);
|
||||
}
|
||||
|
||||
bool ValidateRegionForMap(Kernel::Memory::PageTable& page_table, VAddr start,
|
||||
std::size_t size) const {
|
||||
constexpr std::size_t padding_size{4 * Kernel::Memory::PageSize};
|
||||
bool ValidateRegionForMap(Kernel::KPageTable& page_table, VAddr start, std::size_t size) const {
|
||||
constexpr std::size_t padding_size{4 * Kernel::PageSize};
|
||||
const auto start_info{page_table.QueryInfo(start - 1)};
|
||||
|
||||
if (start_info.state != Kernel::Memory::MemoryState::Free) {
|
||||
if (start_info.state != Kernel::KMemoryState::Free) {
|
||||
return {};
|
||||
}
|
||||
|
||||
@ -302,21 +301,20 @@ public:
|
||||
|
||||
const auto end_info{page_table.QueryInfo(start + size)};
|
||||
|
||||
if (end_info.state != Kernel::Memory::MemoryState::Free) {
|
||||
if (end_info.state != Kernel::KMemoryState::Free) {
|
||||
return {};
|
||||
}
|
||||
|
||||
return (start + size + padding_size) <= (end_info.GetAddress() + end_info.GetSize());
|
||||
}
|
||||
|
||||
VAddr GetRandomMapRegion(const Kernel::Memory::PageTable& page_table, std::size_t size) const {
|
||||
VAddr GetRandomMapRegion(const Kernel::KPageTable& page_table, std::size_t size) const {
|
||||
VAddr addr{};
|
||||
const std::size_t end_pages{(page_table.GetAliasCodeRegionSize() - size) >>
|
||||
Kernel::Memory::PageBits};
|
||||
Kernel::PageBits};
|
||||
do {
|
||||
addr = page_table.GetAliasCodeRegionStart() +
|
||||
(Kernel::Memory::SystemControl::GenerateRandomRange(0, end_pages)
|
||||
<< Kernel::Memory::PageBits);
|
||||
(Kernel::KSystemControl::GenerateRandomRange(0, end_pages) << Kernel::PageBits);
|
||||
} while (!page_table.IsInsideAddressSpace(addr, size) ||
|
||||
page_table.IsInsideHeapRegion(addr, size) ||
|
||||
page_table.IsInsideAliasRegion(addr, size));
|
||||
@ -387,7 +385,7 @@ public:
|
||||
const VAddr data_start{start + nro_header.segment_headers[DATA_INDEX].memory_offset};
|
||||
const VAddr bss_start{data_start + nro_header.segment_headers[DATA_INDEX].memory_size};
|
||||
const VAddr bss_end_addr{
|
||||
Common::AlignUp(bss_start + nro_header.bss_size, Kernel::Memory::PageSize)};
|
||||
Common::AlignUp(bss_start + nro_header.bss_size, Kernel::PageSize)};
|
||||
|
||||
auto CopyCode{[&](VAddr src_addr, VAddr dst_addr, u64 size) {
|
||||
std::vector<u8> source_data(size);
|
||||
@ -402,12 +400,12 @@ public:
|
||||
nro_header.segment_headers[DATA_INDEX].memory_size);
|
||||
|
||||
CASCADE_CODE(process->PageTable().SetCodeMemoryPermission(
|
||||
text_start, ro_start - text_start, Kernel::Memory::MemoryPermission::ReadAndExecute));
|
||||
CASCADE_CODE(process->PageTable().SetCodeMemoryPermission(
|
||||
ro_start, data_start - ro_start, Kernel::Memory::MemoryPermission::Read));
|
||||
text_start, ro_start - text_start, Kernel::KMemoryPermission::ReadAndExecute));
|
||||
CASCADE_CODE(process->PageTable().SetCodeMemoryPermission(ro_start, data_start - ro_start,
|
||||
Kernel::KMemoryPermission::Read));
|
||||
|
||||
return process->PageTable().SetCodeMemoryPermission(
|
||||
data_start, bss_end_addr - data_start, Kernel::Memory::MemoryPermission::ReadAndWrite);
|
||||
data_start, bss_end_addr - data_start, Kernel::KMemoryPermission::ReadAndWrite);
|
||||
}
|
||||
|
||||
void LoadNro(Kernel::HLERequestContext& ctx) {
|
||||
|
||||
@ -19,9 +19,9 @@
|
||||
#include "core/file_sys/romfs.h"
|
||||
#include "core/file_sys/system_archive/system_archive.h"
|
||||
#include "core/hle/ipc_helpers.h"
|
||||
#include "core/hle/kernel/k_shared_memory.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/hle/kernel/physical_memory.h"
|
||||
#include "core/hle/kernel/shared_memory.h"
|
||||
#include "core/hle/service/filesystem/filesystem.h"
|
||||
#include "core/hle/service/ns/pl_u.h"
|
||||
|
||||
@ -131,7 +131,7 @@ struct PL_U::Impl {
|
||||
}
|
||||
|
||||
/// Handle to shared memory region designated for a shared font
|
||||
std::shared_ptr<Kernel::SharedMemory> shared_font_mem;
|
||||
std::shared_ptr<Kernel::KSharedMemory> shared_font_mem;
|
||||
|
||||
/// Backing memory for the shared font data
|
||||
std::shared_ptr<Kernel::PhysicalMemory> shared_font;
|
||||
|
||||
@ -22,7 +22,7 @@ SharedMemory::SharedMemory(Core::System& system) : system(system) {
|
||||
|
||||
SharedMemory::~SharedMemory() = default;
|
||||
|
||||
std::shared_ptr<Kernel::SharedMemory> SharedMemory::GetSharedMemoryHolder() const {
|
||||
std::shared_ptr<Kernel::KSharedMemory> SharedMemory::GetSharedMemoryHolder() const {
|
||||
return shared_memory_holder;
|
||||
}
|
||||
|
||||
|
||||
@ -6,8 +6,8 @@
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "common/uuid.h"
|
||||
#include "core/hle/kernel/k_shared_memory.h"
|
||||
#include "core/hle/kernel/k_thread.h"
|
||||
#include "core/hle/kernel/shared_memory.h"
|
||||
#include "core/hle/service/time/clock_types.h"
|
||||
|
||||
namespace Service::Time {
|
||||
@ -18,7 +18,7 @@ public:
|
||||
~SharedMemory();
|
||||
|
||||
// Return the shared memory handle
|
||||
std::shared_ptr<Kernel::SharedMemory> GetSharedMemoryHolder() const;
|
||||
std::shared_ptr<Kernel::KSharedMemory> GetSharedMemoryHolder() const;
|
||||
|
||||
// TODO(ogniK): We have to properly simulate memory barriers, how are we going to do this?
|
||||
template <typename T, std::size_t Offset>
|
||||
@ -63,7 +63,7 @@ public:
|
||||
void SetAutomaticCorrectionEnabled(bool is_enabled);
|
||||
|
||||
private:
|
||||
std::shared_ptr<Kernel::SharedMemory> shared_memory_holder;
|
||||
std::shared_ptr<Kernel::KSharedMemory> shared_memory_holder;
|
||||
Core::System& system;
|
||||
Format shared_memory_format{};
|
||||
};
|
||||
|
||||
@ -12,8 +12,8 @@
|
||||
#include "core/file_sys/control_metadata.h"
|
||||
#include "core/file_sys/patch_manager.h"
|
||||
#include "core/file_sys/romfs_factory.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/service/filesystem/filesystem.h"
|
||||
#include "core/loader/deconstructed_rom_directory.h"
|
||||
|
||||
@ -10,7 +10,7 @@
|
||||
#include "common/file_util.h"
|
||||
#include "common/logging/log.h"
|
||||
#include "core/hle/kernel/code_set.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/loader/elf.h"
|
||||
#include "core/memory.h"
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
#include "core/file_sys/kernel_executable.h"
|
||||
#include "core/file_sys/program_metadata.h"
|
||||
#include "core/hle/kernel/code_set.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/loader/kip.h"
|
||||
#include "core/memory.h"
|
||||
|
||||
@ -15,8 +15,8 @@
|
||||
#include "core/file_sys/romfs_factory.h"
|
||||
#include "core/file_sys/vfs_offset.h"
|
||||
#include "core/hle/kernel/code_set.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/k_thread.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/service/filesystem/filesystem.h"
|
||||
#include "core/loader/nro.h"
|
||||
|
||||
@ -15,8 +15,8 @@
|
||||
#include "core/core.h"
|
||||
#include "core/file_sys/patch_manager.h"
|
||||
#include "core/hle/kernel/code_set.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/k_thread.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/loader/nso.h"
|
||||
#include "core/memory.h"
|
||||
|
||||
@ -16,7 +16,7 @@
|
||||
#include "core/arm/arm_interface.h"
|
||||
#include "core/core.h"
|
||||
#include "core/device_memory.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/physical_memory.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/memory.h"
|
||||
|
||||
@ -116,6 +116,11 @@ public:
|
||||
*/
|
||||
u8* GetPointer(VAddr vaddr);
|
||||
|
||||
template <typename T>
|
||||
T* GetPointer(VAddr vaddr) {
|
||||
return reinterpret_cast<T*>(GetPointer(vaddr));
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets a pointer to the given address.
|
||||
*
|
||||
@ -126,6 +131,11 @@ public:
|
||||
*/
|
||||
const u8* GetPointer(VAddr vaddr) const;
|
||||
|
||||
template <typename T>
|
||||
const T* GetPointer(VAddr vaddr) const {
|
||||
return reinterpret_cast<T*>(GetPointer(vaddr));
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads an 8-bit unsigned value from the current process' address space
|
||||
* at the given virtual address.
|
||||
|
||||
@ -10,7 +10,7 @@
|
||||
#include "core/core_timing.h"
|
||||
#include "core/core_timing_util.h"
|
||||
#include "core/hardware_properties.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/service/hid/controllers/npad.h"
|
||||
#include "core/hle/service/hid/hid.h"
|
||||
|
||||
@ -17,7 +17,7 @@
|
||||
#include "core/arm/arm_interface.h"
|
||||
#include "core/core.h"
|
||||
#include "core/hle/kernel/hle_ipc.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/hle/result.h"
|
||||
#include "core/memory.h"
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
#include "common/assert.h"
|
||||
#include "common/logging/log.h"
|
||||
#include "core/core.h"
|
||||
#include "core/hle/kernel/memory/page_table.h"
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/process.h"
|
||||
#include "core/memory.h"
|
||||
#include "video_core/gpu.h"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user