mirror of
https://github.com/yuzu-emu/yuzu.git
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755 lines
30 KiB
C++
755 lines
30 KiB
C++
// Copyright 2015 Citra 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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#include <algorithm>
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#include <cstring>
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#include "common/assert.h"
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#include "common/atomic_ops.h"
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "common/page_table.h"
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#include "common/settings.h"
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#include "common/swap.h"
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#include "core/core.h"
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#include "core/device_memory.h"
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#include "core/hle/kernel/k_page_table.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/memory.h"
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#include "video_core/gpu.h"
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namespace Core::Memory {
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// Implementation class used to keep the specifics of the memory subsystem hidden
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// from outside classes. This also allows modification to the internals of the memory
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// subsystem without needing to rebuild all files that make use of the memory interface.
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struct Memory::Impl {
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explicit Impl(Core::System& system_) : system{system_} {}
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void SetCurrentPageTable(Kernel::KProcess& process, u32 core_id) {
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current_page_table = &process.PageTable().PageTableImpl();
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current_page_table->fastmem_arena = system.DeviceMemory().buffer.VirtualBasePointer();
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const std::size_t address_space_width = process.PageTable().GetAddressSpaceWidth();
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system.ArmInterface(core_id).PageTableChanged(*current_page_table, address_space_width);
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}
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void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, PAddr target) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:016X}", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:016X}", base);
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ASSERT_MSG(target >= DramMemoryMap::Base && target < DramMemoryMap::End,
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"Out of bounds target: {:016X}", target);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, Common::PageType::Memory);
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if (Settings::IsFastmemEnabled()) {
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system.DeviceMemory().buffer.Map(base, target - DramMemoryMap::Base, size);
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}
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}
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void UnmapRegion(Common::PageTable& page_table, VAddr base, u64 size) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:016X}", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:016X}", base);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, 0, Common::PageType::Unmapped);
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if (Settings::IsFastmemEnabled()) {
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system.DeviceMemory().buffer.Unmap(base, size);
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}
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}
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[[nodiscard]] u8* GetPointerFromRasterizerCachedMemory(VAddr vaddr) const {
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const PAddr paddr{current_page_table->backing_addr[vaddr >> PAGE_BITS]};
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if (!paddr) {
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return {};
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}
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return system.DeviceMemory().GetPointer(paddr) + vaddr;
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}
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[[nodiscard]] u8* GetPointer(const VAddr vaddr) const {
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const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
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if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
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return pointer + vaddr;
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}
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const auto type = Common::PageTable::PageInfo::ExtractType(raw_pointer);
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if (type == Common::PageType::RasterizerCachedMemory) {
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return GetPointerFromRasterizerCachedMemory(vaddr);
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}
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return nullptr;
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}
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u8 Read8(const VAddr addr) {
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return Read<u8>(addr);
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}
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u16 Read16(const VAddr addr) {
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if ((addr & 1) == 0) {
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return Read<u16_le>(addr);
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} else {
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const u32 a{Read<u8>(addr)};
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const u32 b{Read<u8>(addr + sizeof(u8))};
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return static_cast<u16>((b << 8) | a);
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}
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}
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u32 Read32(const VAddr addr) {
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if ((addr & 3) == 0) {
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return Read<u32_le>(addr);
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} else {
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const u32 a{Read16(addr)};
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const u32 b{Read16(addr + sizeof(u16))};
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return (b << 16) | a;
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}
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}
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u64 Read64(const VAddr addr) {
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if ((addr & 7) == 0) {
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return Read<u64_le>(addr);
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} else {
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const u32 a{Read32(addr)};
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const u32 b{Read32(addr + sizeof(u32))};
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return (static_cast<u64>(b) << 32) | a;
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}
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}
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void Write8(const VAddr addr, const u8 data) {
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Write<u8>(addr, data);
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}
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void Write16(const VAddr addr, const u16 data) {
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if ((addr & 1) == 0) {
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Write<u16_le>(addr, data);
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} else {
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Write<u8>(addr, static_cast<u8>(data));
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Write<u8>(addr + sizeof(u8), static_cast<u8>(data >> 8));
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}
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}
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void Write32(const VAddr addr, const u32 data) {
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if ((addr & 3) == 0) {
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Write<u32_le>(addr, data);
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} else {
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Write16(addr, static_cast<u16>(data));
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Write16(addr + sizeof(u16), static_cast<u16>(data >> 16));
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}
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}
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void Write64(const VAddr addr, const u64 data) {
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if ((addr & 7) == 0) {
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Write<u64_le>(addr, data);
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} else {
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Write32(addr, static_cast<u32>(data));
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Write32(addr + sizeof(u32), static_cast<u32>(data >> 32));
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}
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}
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bool WriteExclusive8(const VAddr addr, const u8 data, const u8 expected) {
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return WriteExclusive<u8>(addr, data, expected);
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}
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bool WriteExclusive16(const VAddr addr, const u16 data, const u16 expected) {
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return WriteExclusive<u16_le>(addr, data, expected);
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}
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bool WriteExclusive32(const VAddr addr, const u32 data, const u32 expected) {
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return WriteExclusive<u32_le>(addr, data, expected);
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}
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bool WriteExclusive64(const VAddr addr, const u64 data, const u64 expected) {
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return WriteExclusive<u64_le>(addr, data, expected);
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}
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std::string ReadCString(VAddr vaddr, std::size_t max_length) {
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std::string string;
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string.reserve(max_length);
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for (std::size_t i = 0; i < max_length; ++i) {
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const char c = Read<s8>(vaddr);
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if (c == '\0') {
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break;
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}
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string.push_back(c);
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++vaddr;
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}
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string.shrink_to_fit();
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return string;
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}
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void WalkBlock(const Kernel::KProcess& process, const VAddr addr, const std::size_t size,
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auto on_unmapped, auto on_memory, auto on_rasterizer, auto increment) {
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const auto& page_table = process.PageTable().PageTableImpl();
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std::size_t remaining_size = size;
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std::size_t page_index = addr >> PAGE_BITS;
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std::size_t page_offset = addr & PAGE_MASK;
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while (remaining_size) {
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const std::size_t copy_amount =
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std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size);
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const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
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const auto [pointer, type] = page_table.pointers[page_index].PointerType();
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switch (type) {
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case Common::PageType::Unmapped: {
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on_unmapped(copy_amount, current_vaddr);
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break;
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}
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case Common::PageType::Memory: {
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DEBUG_ASSERT(pointer);
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u8* mem_ptr = pointer + page_offset + (page_index << PAGE_BITS);
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on_memory(copy_amount, mem_ptr);
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break;
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}
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case Common::PageType::RasterizerCachedMemory: {
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u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)};
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on_rasterizer(current_vaddr, copy_amount, host_ptr);
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break;
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}
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default:
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UNREACHABLE();
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}
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page_index++;
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page_offset = 0;
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increment(copy_amount);
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remaining_size -= copy_amount;
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}
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}
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template <bool UNSAFE>
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void ReadBlockImpl(const Kernel::KProcess& process, const VAddr src_addr, void* dest_buffer,
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const std::size_t size) {
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WalkBlock(
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process, src_addr, size,
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[src_addr, size, &dest_buffer](const std::size_t copy_amount,
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const VAddr current_vaddr) {
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LOG_ERROR(HW_Memory,
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"Unmapped ReadBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})",
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current_vaddr, src_addr, size);
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std::memset(dest_buffer, 0, copy_amount);
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},
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[&dest_buffer](const std::size_t copy_amount, const u8* const src_ptr) {
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std::memcpy(dest_buffer, src_ptr, copy_amount);
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},
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[&system = system, &dest_buffer](const VAddr current_vaddr,
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const std::size_t copy_amount,
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const u8* const host_ptr) {
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if constexpr (!UNSAFE) {
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system.GPU().FlushRegion(current_vaddr, copy_amount);
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}
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std::memcpy(dest_buffer, host_ptr, copy_amount);
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},
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[&dest_buffer](const std::size_t copy_amount) {
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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});
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}
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void ReadBlock(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
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ReadBlockImpl<false>(*system.CurrentProcess(), src_addr, dest_buffer, size);
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}
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void ReadBlockUnsafe(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
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ReadBlockImpl<true>(*system.CurrentProcess(), src_addr, dest_buffer, size);
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}
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template <bool UNSAFE>
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void WriteBlockImpl(const Kernel::KProcess& process, const VAddr dest_addr,
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const void* src_buffer, const std::size_t size) {
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WalkBlock(
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process, dest_addr, size,
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[dest_addr, size](const std::size_t copy_amount, const VAddr current_vaddr) {
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LOG_ERROR(HW_Memory,
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"Unmapped WriteBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})",
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current_vaddr, dest_addr, size);
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},
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[&src_buffer](const std::size_t copy_amount, u8* const dest_ptr) {
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std::memcpy(dest_ptr, src_buffer, copy_amount);
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},
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[&system = system, &src_buffer](const VAddr current_vaddr,
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const std::size_t copy_amount, u8* const host_ptr) {
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if constexpr (!UNSAFE) {
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system.GPU().InvalidateRegion(current_vaddr, copy_amount);
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}
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std::memcpy(host_ptr, src_buffer, copy_amount);
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},
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[&src_buffer](const std::size_t copy_amount) {
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src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
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});
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}
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void WriteBlock(const VAddr dest_addr, const void* src_buffer, const std::size_t size) {
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WriteBlockImpl<false>(*system.CurrentProcess(), dest_addr, src_buffer, size);
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}
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void WriteBlockUnsafe(const VAddr dest_addr, const void* src_buffer, const std::size_t size) {
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WriteBlockImpl<true>(*system.CurrentProcess(), dest_addr, src_buffer, size);
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}
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void ZeroBlock(const Kernel::KProcess& process, const VAddr dest_addr, const std::size_t size) {
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WalkBlock(
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process, dest_addr, size,
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[dest_addr, size](const std::size_t copy_amount, const VAddr current_vaddr) {
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LOG_ERROR(HW_Memory,
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"Unmapped ZeroBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})",
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current_vaddr, dest_addr, size);
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},
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[](const std::size_t copy_amount, u8* const dest_ptr) {
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std::memset(dest_ptr, 0, copy_amount);
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},
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[&system = system](const VAddr current_vaddr, const std::size_t copy_amount,
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u8* const host_ptr) {
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system.GPU().InvalidateRegion(current_vaddr, copy_amount);
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std::memset(host_ptr, 0, copy_amount);
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},
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[](const std::size_t copy_amount) {});
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}
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void CopyBlock(const Kernel::KProcess& process, VAddr dest_addr, VAddr src_addr,
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const std::size_t size) {
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WalkBlock(
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process, dest_addr, size,
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[this, &process, &dest_addr, &src_addr, size](const std::size_t copy_amount,
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const VAddr current_vaddr) {
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LOG_ERROR(HW_Memory,
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"Unmapped CopyBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})",
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current_vaddr, src_addr, size);
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ZeroBlock(process, dest_addr, copy_amount);
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},
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[this, &process, &dest_addr](const std::size_t copy_amount, const u8* const src_ptr) {
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WriteBlockImpl<false>(process, dest_addr, src_ptr, copy_amount);
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},
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[this, &system = system, &process, &dest_addr](
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const VAddr current_vaddr, const std::size_t copy_amount, u8* const host_ptr) {
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system.GPU().FlushRegion(current_vaddr, copy_amount);
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WriteBlockImpl<false>(process, dest_addr, host_ptr, copy_amount);
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},
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[&dest_addr, &src_addr](const std::size_t copy_amount) {
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dest_addr += static_cast<VAddr>(copy_amount);
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src_addr += static_cast<VAddr>(copy_amount);
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});
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}
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void RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached) {
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if (vaddr == 0) {
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return;
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}
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if (Settings::IsFastmemEnabled()) {
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const bool is_read_enable = Settings::IsGPULevelHigh() || !cached;
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system.DeviceMemory().buffer.Protect(vaddr, size, is_read_enable, !cached);
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}
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// Iterate over a contiguous CPU address space, which corresponds to the specified GPU
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// address space, marking the region as un/cached. The region is marked un/cached at a
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// granularity of CPU pages, hence why we iterate on a CPU page basis (note: GPU page size
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// is different). This assumes the specified GPU address region is contiguous as well.
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const u64 num_pages = ((vaddr + size - 1) >> PAGE_BITS) - (vaddr >> PAGE_BITS) + 1;
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for (u64 i = 0; i < num_pages; ++i, vaddr += PAGE_SIZE) {
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const Common::PageType page_type{
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current_page_table->pointers[vaddr >> PAGE_BITS].Type()};
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if (cached) {
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// Switch page type to cached if now cached
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switch (page_type) {
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case Common::PageType::Unmapped:
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// It is not necessary for a process to have this region mapped into its address
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// space, for example, a system module need not have a VRAM mapping.
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break;
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case Common::PageType::Memory:
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current_page_table->pointers[vaddr >> PAGE_BITS].Store(
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nullptr, Common::PageType::RasterizerCachedMemory);
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break;
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case Common::PageType::RasterizerCachedMemory:
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// There can be more than one GPU region mapped per CPU region, so it's common
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// that this area is already marked as cached.
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break;
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default:
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UNREACHABLE();
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}
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} else {
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// Switch page type to uncached if now uncached
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switch (page_type) {
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case Common::PageType::Unmapped: // NOLINT(bugprone-branch-clone)
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// It is not necessary for a process to have this region mapped into its address
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// space, for example, a system module need not have a VRAM mapping.
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break;
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case Common::PageType::Memory:
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// There can be more than one GPU region mapped per CPU region, so it's common
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// that this area is already unmarked as cached.
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break;
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case Common::PageType::RasterizerCachedMemory: {
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u8* const pointer{GetPointerFromRasterizerCachedMemory(vaddr & ~PAGE_MASK)};
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if (pointer == nullptr) {
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// It's possible that this function has been called while updating the
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// pagetable after unmapping a VMA. In that case the underlying VMA will no
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// longer exist, and we should just leave the pagetable entry blank.
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current_page_table->pointers[vaddr >> PAGE_BITS].Store(
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nullptr, Common::PageType::Unmapped);
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} else {
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current_page_table->pointers[vaddr >> PAGE_BITS].Store(
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pointer - (vaddr & ~PAGE_MASK), Common::PageType::Memory);
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}
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break;
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}
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default:
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UNREACHABLE();
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}
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}
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}
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}
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/**
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* Maps a region of pages as a specific type.
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*
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* @param page_table The page table to use to perform the mapping.
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* @param base The base address to begin mapping at.
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* @param size The total size of the range in bytes.
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* @param target The target address to begin mapping from.
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* @param type The page type to map the memory as.
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*/
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void MapPages(Common::PageTable& page_table, VAddr base, u64 size, PAddr target,
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Common::PageType type) {
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LOG_DEBUG(HW_Memory, "Mapping {:016X} onto {:016X}-{:016X}", target, base * PAGE_SIZE,
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(base + size) * PAGE_SIZE);
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// During boot, current_page_table might not be set yet, in which case we need not flush
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if (system.IsPoweredOn()) {
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auto& gpu = system.GPU();
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for (u64 i = 0; i < size; i++) {
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const auto page = base + i;
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if (page_table.pointers[page].Type() == Common::PageType::RasterizerCachedMemory) {
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gpu.FlushAndInvalidateRegion(page << PAGE_BITS, PAGE_SIZE);
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}
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}
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}
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const VAddr end = base + size;
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ASSERT_MSG(end <= page_table.pointers.size(), "out of range mapping at {:016X}",
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base + page_table.pointers.size());
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if (!target) {
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ASSERT_MSG(type != Common::PageType::Memory,
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"Mapping memory page without a pointer @ {:016x}", base * PAGE_SIZE);
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while (base != end) {
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page_table.pointers[base].Store(nullptr, type);
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page_table.backing_addr[base] = 0;
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base += 1;
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}
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} else {
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while (base != end) {
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page_table.pointers[base].Store(
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system.DeviceMemory().GetPointer(target) - (base << PAGE_BITS), type);
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page_table.backing_addr[base] = target - (base << PAGE_BITS);
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ASSERT_MSG(page_table.pointers[base].Pointer(),
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"memory mapping base yield a nullptr within the table");
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base += 1;
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target += PAGE_SIZE;
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}
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}
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}
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|
|
|
/**
|
|
* Reads a particular data type out of memory at the given virtual address.
|
|
*
|
|
* @param vaddr The virtual address to read the data type from.
|
|
*
|
|
* @tparam T The data type to read out of memory. This type *must* be
|
|
* trivially copyable, otherwise the behavior of this function
|
|
* is undefined.
|
|
*
|
|
* @returns The instance of T read from the specified virtual address.
|
|
*/
|
|
template <typename T>
|
|
T Read(VAddr vaddr) {
|
|
// AARCH64 masks the upper 16 bit of all memory accesses
|
|
vaddr &= 0xffffffffffffLL;
|
|
|
|
if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) {
|
|
LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr);
|
|
return 0;
|
|
}
|
|
|
|
// Avoid adding any extra logic to this fast-path block
|
|
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
|
|
if (const u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
|
|
T value;
|
|
std::memcpy(&value, &pointer[vaddr], sizeof(T));
|
|
return value;
|
|
}
|
|
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
|
|
case Common::PageType::Unmapped:
|
|
LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr);
|
|
return 0;
|
|
case Common::PageType::Memory:
|
|
ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
|
|
break;
|
|
case Common::PageType::RasterizerCachedMemory: {
|
|
const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
|
|
system.GPU().FlushRegion(vaddr, sizeof(T));
|
|
T value;
|
|
std::memcpy(&value, host_ptr, sizeof(T));
|
|
return value;
|
|
}
|
|
default:
|
|
UNREACHABLE();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
/**
|
|
* Writes a particular data type to memory at the given virtual address.
|
|
*
|
|
* @param vaddr The virtual address to write the data type to.
|
|
*
|
|
* @tparam T The data type to write to memory. This type *must* be
|
|
* trivially copyable, otherwise the behavior of this function
|
|
* is undefined.
|
|
*/
|
|
template <typename T>
|
|
void Write(VAddr vaddr, const T data) {
|
|
// AARCH64 masks the upper 16 bit of all memory accesses
|
|
vaddr &= 0xffffffffffffLL;
|
|
|
|
if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) {
|
|
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
|
|
static_cast<u32>(data), vaddr);
|
|
return;
|
|
}
|
|
|
|
// Avoid adding any extra logic to this fast-path block
|
|
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
|
|
if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
|
|
std::memcpy(&pointer[vaddr], &data, sizeof(T));
|
|
return;
|
|
}
|
|
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
|
|
case Common::PageType::Unmapped:
|
|
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
|
|
static_cast<u32>(data), vaddr);
|
|
return;
|
|
case Common::PageType::Memory:
|
|
ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
|
|
break;
|
|
case Common::PageType::RasterizerCachedMemory: {
|
|
u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
|
|
system.GPU().InvalidateRegion(vaddr, sizeof(T));
|
|
std::memcpy(host_ptr, &data, sizeof(T));
|
|
break;
|
|
}
|
|
default:
|
|
UNREACHABLE();
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
bool WriteExclusive(VAddr vaddr, const T data, const T expected) {
|
|
// AARCH64 masks the upper 16 bit of all memory accesses
|
|
vaddr &= 0xffffffffffffLL;
|
|
|
|
if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) {
|
|
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
|
|
static_cast<u32>(data), vaddr);
|
|
return true;
|
|
}
|
|
|
|
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
|
|
if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
|
|
// NOTE: Avoid adding any extra logic to this fast-path block
|
|
const auto volatile_pointer = reinterpret_cast<volatile T*>(&pointer[vaddr]);
|
|
return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
|
|
}
|
|
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
|
|
case Common::PageType::Unmapped:
|
|
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
|
|
static_cast<u32>(data), vaddr);
|
|
return true;
|
|
case Common::PageType::Memory:
|
|
ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
|
|
break;
|
|
case Common::PageType::RasterizerCachedMemory: {
|
|
u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
|
|
system.GPU().InvalidateRegion(vaddr, sizeof(T));
|
|
auto* pointer = reinterpret_cast<volatile T*>(&host_ptr);
|
|
return Common::AtomicCompareAndSwap(pointer, data, expected);
|
|
}
|
|
default:
|
|
UNREACHABLE();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool WriteExclusive128(VAddr vaddr, const u128 data, const u128 expected) {
|
|
// AARCH64 masks the upper 16 bit of all memory accesses
|
|
vaddr &= 0xffffffffffffLL;
|
|
|
|
if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) {
|
|
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
|
|
static_cast<u32>(data[0]), vaddr);
|
|
return true;
|
|
}
|
|
|
|
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
|
|
if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
|
|
// NOTE: Avoid adding any extra logic to this fast-path block
|
|
const auto volatile_pointer = reinterpret_cast<volatile u64*>(&pointer[vaddr]);
|
|
return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
|
|
}
|
|
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
|
|
case Common::PageType::Unmapped:
|
|
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}{:016X}", sizeof(data) * 8,
|
|
static_cast<u64>(data[1]), static_cast<u64>(data[0]), vaddr);
|
|
return true;
|
|
case Common::PageType::Memory:
|
|
ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
|
|
break;
|
|
case Common::PageType::RasterizerCachedMemory: {
|
|
u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
|
|
system.GPU().InvalidateRegion(vaddr, sizeof(u128));
|
|
auto* pointer = reinterpret_cast<volatile u64*>(&host_ptr);
|
|
return Common::AtomicCompareAndSwap(pointer, data, expected);
|
|
}
|
|
default:
|
|
UNREACHABLE();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
Common::PageTable* current_page_table = nullptr;
|
|
Core::System& system;
|
|
};
|
|
|
|
Memory::Memory(Core::System& system_) : system{system_} {
|
|
Reset();
|
|
}
|
|
|
|
Memory::~Memory() = default;
|
|
|
|
void Memory::Reset() {
|
|
impl = std::make_unique<Impl>(system);
|
|
}
|
|
|
|
void Memory::SetCurrentPageTable(Kernel::KProcess& process, u32 core_id) {
|
|
impl->SetCurrentPageTable(process, core_id);
|
|
}
|
|
|
|
void Memory::MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, PAddr target) {
|
|
impl->MapMemoryRegion(page_table, base, size, target);
|
|
}
|
|
|
|
void Memory::UnmapRegion(Common::PageTable& page_table, VAddr base, u64 size) {
|
|
impl->UnmapRegion(page_table, base, size);
|
|
}
|
|
|
|
bool Memory::IsValidVirtualAddress(const VAddr vaddr) const {
|
|
const Kernel::KProcess& process = *system.CurrentProcess();
|
|
const auto& page_table = process.PageTable().PageTableImpl();
|
|
const auto [pointer, type] = page_table.pointers[vaddr >> PAGE_BITS].PointerType();
|
|
return pointer != nullptr || type == Common::PageType::RasterizerCachedMemory;
|
|
}
|
|
|
|
u8* Memory::GetPointer(VAddr vaddr) {
|
|
return impl->GetPointer(vaddr);
|
|
}
|
|
|
|
const u8* Memory::GetPointer(VAddr vaddr) const {
|
|
return impl->GetPointer(vaddr);
|
|
}
|
|
|
|
u8 Memory::Read8(const VAddr addr) {
|
|
return impl->Read8(addr);
|
|
}
|
|
|
|
u16 Memory::Read16(const VAddr addr) {
|
|
return impl->Read16(addr);
|
|
}
|
|
|
|
u32 Memory::Read32(const VAddr addr) {
|
|
return impl->Read32(addr);
|
|
}
|
|
|
|
u64 Memory::Read64(const VAddr addr) {
|
|
return impl->Read64(addr);
|
|
}
|
|
|
|
void Memory::Write8(VAddr addr, u8 data) {
|
|
impl->Write8(addr, data);
|
|
}
|
|
|
|
void Memory::Write16(VAddr addr, u16 data) {
|
|
impl->Write16(addr, data);
|
|
}
|
|
|
|
void Memory::Write32(VAddr addr, u32 data) {
|
|
impl->Write32(addr, data);
|
|
}
|
|
|
|
void Memory::Write64(VAddr addr, u64 data) {
|
|
impl->Write64(addr, data);
|
|
}
|
|
|
|
bool Memory::WriteExclusive8(VAddr addr, u8 data, u8 expected) {
|
|
return impl->WriteExclusive8(addr, data, expected);
|
|
}
|
|
|
|
bool Memory::WriteExclusive16(VAddr addr, u16 data, u16 expected) {
|
|
return impl->WriteExclusive16(addr, data, expected);
|
|
}
|
|
|
|
bool Memory::WriteExclusive32(VAddr addr, u32 data, u32 expected) {
|
|
return impl->WriteExclusive32(addr, data, expected);
|
|
}
|
|
|
|
bool Memory::WriteExclusive64(VAddr addr, u64 data, u64 expected) {
|
|
return impl->WriteExclusive64(addr, data, expected);
|
|
}
|
|
|
|
bool Memory::WriteExclusive128(VAddr addr, u128 data, u128 expected) {
|
|
return impl->WriteExclusive128(addr, data, expected);
|
|
}
|
|
|
|
std::string Memory::ReadCString(VAddr vaddr, std::size_t max_length) {
|
|
return impl->ReadCString(vaddr, max_length);
|
|
}
|
|
|
|
void Memory::ReadBlock(const Kernel::KProcess& process, const VAddr src_addr, void* dest_buffer,
|
|
const std::size_t size) {
|
|
impl->ReadBlockImpl<false>(process, src_addr, dest_buffer, size);
|
|
}
|
|
|
|
void Memory::ReadBlock(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
|
|
impl->ReadBlock(src_addr, dest_buffer, size);
|
|
}
|
|
|
|
void Memory::ReadBlockUnsafe(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
|
|
impl->ReadBlockUnsafe(src_addr, dest_buffer, size);
|
|
}
|
|
|
|
void Memory::WriteBlock(const Kernel::KProcess& process, VAddr dest_addr, const void* src_buffer,
|
|
std::size_t size) {
|
|
impl->WriteBlockImpl<false>(process, dest_addr, src_buffer, size);
|
|
}
|
|
|
|
void Memory::WriteBlock(const VAddr dest_addr, const void* src_buffer, const std::size_t size) {
|
|
impl->WriteBlock(dest_addr, src_buffer, size);
|
|
}
|
|
|
|
void Memory::WriteBlockUnsafe(const VAddr dest_addr, const void* src_buffer,
|
|
const std::size_t size) {
|
|
impl->WriteBlockUnsafe(dest_addr, src_buffer, size);
|
|
}
|
|
|
|
void Memory::CopyBlock(const Kernel::KProcess& process, VAddr dest_addr, VAddr src_addr,
|
|
const std::size_t size) {
|
|
impl->CopyBlock(process, dest_addr, src_addr, size);
|
|
}
|
|
|
|
void Memory::RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached) {
|
|
impl->RasterizerMarkRegionCached(vaddr, size, cached);
|
|
}
|
|
|
|
} // namespace Core::Memory
|