mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-08-22 01:53:22 +02:00
711 lines
25 KiB
C++
711 lines
25 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 <array>
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#include <cinttypes>
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#include <cstring>
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#include <boost/optional.hpp>
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#include "common/assert.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/swap.h"
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#include "core/arm/arm_interface.h"
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#include "core/core.h"
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#include "core/hle/kernel/memory.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/lock.h"
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#include "core/memory.h"
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#include "core/memory_setup.h"
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#include "video_core/renderer_base.h"
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#include "video_core/video_core.h"
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namespace Memory {
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static std::array<u8, Memory::VRAM_SIZE> vram;
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static PageTable* current_page_table = nullptr;
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void SetCurrentPageTable(PageTable* page_table) {
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current_page_table = page_table;
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if (Core::System::GetInstance().IsPoweredOn()) {
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Core::CPU().PageTableChanged();
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}
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}
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PageTable* GetCurrentPageTable() {
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return current_page_table;
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}
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static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, PageType type) {
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NGLOG_DEBUG(HW_Memory, "Mapping {} onto {:016X}-{:016X}", fmt::ptr(memory), base * PAGE_SIZE,
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(base + size) * PAGE_SIZE);
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RasterizerFlushVirtualRegion(base << PAGE_BITS, size * PAGE_SIZE,
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FlushMode::FlushAndInvalidate);
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VAddr end = base + size;
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while (base != end) {
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ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at %016" PRIX64, base);
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page_table.attributes[base] = type;
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page_table.pointers[base] = memory;
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base += 1;
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if (memory != nullptr)
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memory += PAGE_SIZE;
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}
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}
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void MapMemoryRegion(PageTable& page_table, VAddr base, u64 size, u8* target) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %016" PRIX64, size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %016" PRIX64, base);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory);
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}
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void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer mmio_handler) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %016" PRIX64, size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %016" PRIX64, base);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Special);
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auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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SpecialRegion region{SpecialRegion::Type::IODevice, mmio_handler};
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page_table.special_regions.add(std::make_pair(interval, std::set<SpecialRegion>{region}));
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}
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void UnmapRegion(PageTable& page_table, VAddr base, u64 size) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %016" PRIX64, size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %016" PRIX64, base);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);
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auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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page_table.special_regions.erase(interval);
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}
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void AddDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook) {
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auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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SpecialRegion region{SpecialRegion::Type::DebugHook, hook};
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page_table.special_regions.add(std::make_pair(interval, std::set<SpecialRegion>{region}));
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}
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void RemoveDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook) {
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auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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SpecialRegion region{SpecialRegion::Type::DebugHook, hook};
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page_table.special_regions.subtract(std::make_pair(interval, std::set<SpecialRegion>{region}));
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}
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/**
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* This function should only be called for virtual addreses with attribute `PageType::Special`.
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*/
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static std::set<MemoryHookPointer> GetSpecialHandlers(const PageTable& page_table, VAddr vaddr,
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u64 size) {
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std::set<MemoryHookPointer> result;
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auto interval = boost::icl::discrete_interval<VAddr>::closed(vaddr, vaddr + size - 1);
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auto interval_list = page_table.special_regions.equal_range(interval);
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for (auto it = interval_list.first; it != interval_list.second; ++it) {
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for (const auto& region : it->second) {
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result.insert(region.handler);
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}
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}
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return result;
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}
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static std::set<MemoryHookPointer> GetSpecialHandlers(VAddr vaddr, u64 size) {
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const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
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return GetSpecialHandlers(page_table, vaddr, size);
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}
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/**
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* Gets a pointer to the exact memory at the virtual address (i.e. not page aligned)
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* using a VMA from the current process
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*/
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static u8* GetPointerFromVMA(const Kernel::Process& process, VAddr vaddr) {
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u8* direct_pointer = nullptr;
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auto& vm_manager = process.vm_manager;
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auto it = vm_manager.FindVMA(vaddr);
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ASSERT(it != vm_manager.vma_map.end());
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auto& vma = it->second;
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switch (vma.type) {
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case Kernel::VMAType::AllocatedMemoryBlock:
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direct_pointer = vma.backing_block->data() + vma.offset;
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break;
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case Kernel::VMAType::BackingMemory:
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direct_pointer = vma.backing_memory;
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break;
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case Kernel::VMAType::Free:
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return nullptr;
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default:
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UNREACHABLE();
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}
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return direct_pointer + (vaddr - vma.base);
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}
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/**
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* Gets a pointer to the exact memory at the virtual address (i.e. not page aligned)
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* using a VMA from the current process.
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*/
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static u8* GetPointerFromVMA(VAddr vaddr) {
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return GetPointerFromVMA(*Core::CurrentProcess(), vaddr);
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}
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template <typename T>
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T Read(const VAddr vaddr) {
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const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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if (page_pointer) {
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// NOTE: Avoid adding any extra logic to this fast-path block
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T value;
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std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
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return value;
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}
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// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
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std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
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PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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switch (type) {
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case PageType::Unmapped:
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NGLOG_ERROR(HW_Memory, "Unmapped Read{} @ {:#010X}", sizeof(T) * 8, vaddr);
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return 0;
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case PageType::Memory:
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ASSERT_MSG(false, "Mapped memory page without a pointer @ %016" PRIX64, vaddr);
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break;
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case PageType::RasterizerCachedMemory: {
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RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::Flush);
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T value;
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std::memcpy(&value, GetPointerFromVMA(vaddr), sizeof(T));
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return value;
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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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template <typename T>
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void Write(const VAddr vaddr, const T data) {
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u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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if (page_pointer) {
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// NOTE: Avoid adding any extra logic to this fast-path block
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std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
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return;
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}
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// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
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std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
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PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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switch (type) {
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case PageType::Unmapped:
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NGLOG_ERROR(HW_Memory, "Unmapped Write{} {:#010X} @ {:#018X}", sizeof(data) * 8, (u32)data,
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vaddr);
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return;
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case PageType::Memory:
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ASSERT_MSG(false, "Mapped memory page without a pointer @ %016" PRIX64, vaddr);
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break;
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case PageType::RasterizerCachedMemory: {
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RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::Invalidate);
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std::memcpy(GetPointerFromVMA(vaddr), &data, sizeof(T));
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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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bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
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auto& page_table = process.vm_manager.page_table;
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const u8* page_pointer = page_table.pointers[vaddr >> PAGE_BITS];
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if (page_pointer)
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return true;
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if (page_table.attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory)
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return true;
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if (page_table.attributes[vaddr >> PAGE_BITS] != PageType::Special)
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return false;
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return false;
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}
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bool IsValidVirtualAddress(const VAddr vaddr) {
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return IsValidVirtualAddress(*Core::CurrentProcess(), vaddr);
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}
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bool IsValidPhysicalAddress(const PAddr paddr) {
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return GetPhysicalPointer(paddr) != nullptr;
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}
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u8* GetPointer(const VAddr vaddr) {
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u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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if (page_pointer) {
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return page_pointer + (vaddr & PAGE_MASK);
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}
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if (current_page_table->attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory) {
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return GetPointerFromVMA(vaddr);
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}
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NGLOG_ERROR(HW_Memory, "Unknown GetPointer @ {:#018X}", vaddr);
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return nullptr;
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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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char c = Read8(vaddr);
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if (c == '\0')
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break;
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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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u8* GetPhysicalPointer(PAddr address) {
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struct MemoryArea {
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PAddr paddr_base;
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u32 size;
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};
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static constexpr MemoryArea memory_areas[] = {
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{VRAM_PADDR, VRAM_SIZE},
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{IO_AREA_PADDR, IO_AREA_SIZE},
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{DSP_RAM_PADDR, DSP_RAM_SIZE},
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{FCRAM_PADDR, FCRAM_N3DS_SIZE},
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};
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const auto area =
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std::find_if(std::begin(memory_areas), std::end(memory_areas), [&](const auto& area) {
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return address >= area.paddr_base && address < area.paddr_base + area.size;
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});
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if (area == std::end(memory_areas)) {
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NGLOG_ERROR(HW_Memory, "Unknown GetPhysicalPointer @ {:#018X}", address);
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return nullptr;
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}
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if (area->paddr_base == IO_AREA_PADDR) {
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NGLOG_ERROR(HW_Memory, "MMIO mappings are not supported yet. phys_addr={:018X}", address);
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return nullptr;
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}
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u64 offset_into_region = address - area->paddr_base;
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u8* target_pointer = nullptr;
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switch (area->paddr_base) {
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case VRAM_PADDR:
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target_pointer = vram.data() + offset_into_region;
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break;
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case DSP_RAM_PADDR:
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break;
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case FCRAM_PADDR:
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for (const auto& region : Kernel::memory_regions) {
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if (offset_into_region >= region.base &&
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offset_into_region < region.base + region.size) {
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target_pointer =
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region.linear_heap_memory->data() + offset_into_region - region.base;
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break;
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}
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}
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ASSERT_MSG(target_pointer != nullptr, "Invalid FCRAM address");
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break;
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default:
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UNREACHABLE();
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}
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return target_pointer;
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}
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void RasterizerMarkRegionCached(Tegra::GPUVAddr gpu_addr, u64 size, bool cached) {
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if (gpu_addr == 0) {
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return;
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}
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// Iterate over a contiguous CPU address space, which corresponds to the specified GPU address
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// space, marking the region as un/cached. The region is marked un/cached at a granularity of
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// CPU pages, hence why we iterate on a CPU page basis (note: GPU page size is different). This
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// assumes the specified GPU address region is contiguous as well.
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u64 num_pages = ((gpu_addr + size - 1) >> PAGE_BITS) - (gpu_addr >> PAGE_BITS) + 1;
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for (unsigned i = 0; i < num_pages; ++i, gpu_addr += PAGE_SIZE) {
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boost::optional<VAddr> maybe_vaddr =
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Core::System::GetInstance().GPU().memory_manager->GpuToCpuAddress(gpu_addr);
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// The GPU <-> CPU virtual memory mapping is not 1:1
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if (!maybe_vaddr) {
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NGLOG_ERROR(HW_Memory,
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"Trying to flush a cached region to an invalid physical address {:016X}",
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gpu_addr);
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continue;
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}
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VAddr vaddr = *maybe_vaddr;
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PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS];
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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 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 PageType::Memory:
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page_type = PageType::RasterizerCachedMemory;
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current_page_table->pointers[vaddr >> PAGE_BITS] = nullptr;
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break;
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case PageType::RasterizerCachedMemory:
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// There can be more than one GPU region mapped per CPU region, so it's common that
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// 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 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 PageType::Memory:
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// There can be more than one GPU region mapped per CPU region, so it's common that
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// this area is already unmarked as cached.
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break;
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case PageType::RasterizerCachedMemory: {
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u8* pointer = GetPointerFromVMA(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 pagetable
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// after unmapping a VMA. In that case the underlying VMA will no longer exist,
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// and we should just leave the pagetable entry blank.
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page_type = PageType::Unmapped;
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} else {
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page_type = PageType::Memory;
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current_page_table->pointers[vaddr >> PAGE_BITS] = pointer;
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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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void RasterizerFlushVirtualRegion(VAddr start, u64 size, FlushMode mode) {
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// Since pages are unmapped on shutdown after video core is shutdown, the renderer may be
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// null here
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if (VideoCore::g_renderer == nullptr) {
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return;
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}
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VAddr end = start + size;
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auto CheckRegion = [&](VAddr region_start, VAddr region_end) {
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if (start >= region_end || end <= region_start) {
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// No overlap with region
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return;
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}
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VAddr overlap_start = std::max(start, region_start);
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VAddr overlap_end = std::min(end, region_end);
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std::vector<Tegra::GPUVAddr> gpu_addresses =
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Core::System::GetInstance().GPU().memory_manager->CpuToGpuAddress(overlap_start);
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if (gpu_addresses.empty()) {
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return;
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}
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u64 overlap_size = overlap_end - overlap_start;
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for (const auto& gpu_address : gpu_addresses) {
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auto* rasterizer = VideoCore::g_renderer->Rasterizer();
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switch (mode) {
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case FlushMode::Flush:
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rasterizer->FlushRegion(gpu_address, overlap_size);
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break;
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case FlushMode::Invalidate:
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rasterizer->InvalidateRegion(gpu_address, overlap_size);
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break;
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case FlushMode::FlushAndInvalidate:
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rasterizer->FlushAndInvalidateRegion(gpu_address, overlap_size);
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break;
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}
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}
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};
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CheckRegion(PROCESS_IMAGE_VADDR, PROCESS_IMAGE_VADDR_END);
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CheckRegion(HEAP_VADDR, HEAP_VADDR_END);
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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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return Read<u16_le>(addr);
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}
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u32 Read32(const VAddr addr) {
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return Read<u32_le>(addr);
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}
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u64 Read64(const VAddr addr) {
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return Read<u64_le>(addr);
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}
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void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
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const size_t size) {
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auto& page_table = process.vm_manager.page_table;
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size_t remaining_size = size;
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size_t page_index = src_addr >> PAGE_BITS;
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size_t page_offset = src_addr & PAGE_MASK;
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while (remaining_size > 0) {
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const size_t copy_amount =
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std::min(static_cast<size_t>(PAGE_SIZE) - page_offset, remaining_size);
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const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
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switch (page_table.attributes[page_index]) {
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case PageType::Unmapped: {
|
|
NGLOG_ERROR(HW_Memory,
|
|
"Unmapped ReadBlock @ {:#018X} (start address = {:#018X}, size = {})",
|
|
current_vaddr, src_addr, size);
|
|
std::memset(dest_buffer, 0, copy_amount);
|
|
break;
|
|
}
|
|
case PageType::Memory: {
|
|
DEBUG_ASSERT(page_table.pointers[page_index]);
|
|
|
|
const u8* src_ptr = page_table.pointers[page_index] + page_offset;
|
|
std::memcpy(dest_buffer, src_ptr, copy_amount);
|
|
break;
|
|
}
|
|
case PageType::RasterizerCachedMemory: {
|
|
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
FlushMode::Flush);
|
|
std::memcpy(dest_buffer, GetPointerFromVMA(process, current_vaddr), copy_amount);
|
|
break;
|
|
}
|
|
default:
|
|
UNREACHABLE();
|
|
}
|
|
|
|
page_index++;
|
|
page_offset = 0;
|
|
dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
|
|
remaining_size -= copy_amount;
|
|
}
|
|
}
|
|
|
|
void ReadBlock(const VAddr src_addr, void* dest_buffer, const size_t size) {
|
|
ReadBlock(*Core::CurrentProcess(), src_addr, dest_buffer, size);
|
|
}
|
|
|
|
void Write8(const VAddr addr, const u8 data) {
|
|
Write<u8>(addr, data);
|
|
}
|
|
|
|
void Write16(const VAddr addr, const u16 data) {
|
|
Write<u16_le>(addr, data);
|
|
}
|
|
|
|
void Write32(const VAddr addr, const u32 data) {
|
|
Write<u32_le>(addr, data);
|
|
}
|
|
|
|
void Write64(const VAddr addr, const u64 data) {
|
|
Write<u64_le>(addr, data);
|
|
}
|
|
|
|
void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const void* src_buffer,
|
|
const size_t size) {
|
|
auto& page_table = process.vm_manager.page_table;
|
|
size_t remaining_size = size;
|
|
size_t page_index = dest_addr >> PAGE_BITS;
|
|
size_t page_offset = dest_addr & PAGE_MASK;
|
|
|
|
while (remaining_size > 0) {
|
|
const size_t copy_amount =
|
|
std::min(static_cast<size_t>(PAGE_SIZE) - page_offset, remaining_size);
|
|
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
|
|
|
switch (page_table.attributes[page_index]) {
|
|
case PageType::Unmapped: {
|
|
NGLOG_ERROR(HW_Memory,
|
|
"Unmapped WriteBlock @ {:#018X} (start address = {:#018X}, size = {})",
|
|
current_vaddr, dest_addr, size);
|
|
break;
|
|
}
|
|
case PageType::Memory: {
|
|
DEBUG_ASSERT(page_table.pointers[page_index]);
|
|
|
|
u8* dest_ptr = page_table.pointers[page_index] + page_offset;
|
|
std::memcpy(dest_ptr, src_buffer, copy_amount);
|
|
break;
|
|
}
|
|
case PageType::RasterizerCachedMemory: {
|
|
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
FlushMode::Invalidate);
|
|
std::memcpy(GetPointerFromVMA(process, current_vaddr), src_buffer, copy_amount);
|
|
break;
|
|
}
|
|
default:
|
|
UNREACHABLE();
|
|
}
|
|
|
|
page_index++;
|
|
page_offset = 0;
|
|
src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
|
|
remaining_size -= copy_amount;
|
|
}
|
|
}
|
|
|
|
void WriteBlock(const VAddr dest_addr, const void* src_buffer, const size_t size) {
|
|
WriteBlock(*Core::CurrentProcess(), dest_addr, src_buffer, size);
|
|
}
|
|
|
|
void ZeroBlock(const Kernel::Process& process, const VAddr dest_addr, const size_t size) {
|
|
auto& page_table = process.vm_manager.page_table;
|
|
size_t remaining_size = size;
|
|
size_t page_index = dest_addr >> PAGE_BITS;
|
|
size_t page_offset = dest_addr & PAGE_MASK;
|
|
|
|
static const std::array<u8, PAGE_SIZE> zeros = {};
|
|
|
|
while (remaining_size > 0) {
|
|
const size_t copy_amount =
|
|
std::min(static_cast<size_t>(PAGE_SIZE) - page_offset, remaining_size);
|
|
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
|
|
|
switch (page_table.attributes[page_index]) {
|
|
case PageType::Unmapped: {
|
|
NGLOG_ERROR(HW_Memory,
|
|
"Unmapped ZeroBlock @ {:#018X} (start address = {#:018X}, size = {})",
|
|
current_vaddr, dest_addr, size);
|
|
break;
|
|
}
|
|
case PageType::Memory: {
|
|
DEBUG_ASSERT(page_table.pointers[page_index]);
|
|
|
|
u8* dest_ptr = page_table.pointers[page_index] + page_offset;
|
|
std::memset(dest_ptr, 0, copy_amount);
|
|
break;
|
|
}
|
|
case PageType::RasterizerCachedMemory: {
|
|
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
FlushMode::Invalidate);
|
|
std::memset(GetPointerFromVMA(process, current_vaddr), 0, copy_amount);
|
|
break;
|
|
}
|
|
default:
|
|
UNREACHABLE();
|
|
}
|
|
|
|
page_index++;
|
|
page_offset = 0;
|
|
remaining_size -= copy_amount;
|
|
}
|
|
}
|
|
|
|
void CopyBlock(const Kernel::Process& process, VAddr dest_addr, VAddr src_addr, const size_t size) {
|
|
auto& page_table = process.vm_manager.page_table;
|
|
size_t remaining_size = size;
|
|
size_t page_index = src_addr >> PAGE_BITS;
|
|
size_t page_offset = src_addr & PAGE_MASK;
|
|
|
|
while (remaining_size > 0) {
|
|
const size_t copy_amount =
|
|
std::min(static_cast<size_t>(PAGE_SIZE) - page_offset, remaining_size);
|
|
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
|
|
|
switch (page_table.attributes[page_index]) {
|
|
case PageType::Unmapped: {
|
|
NGLOG_ERROR(HW_Memory,
|
|
"Unmapped CopyBlock @ {:#018X} (start address = {:#018X}, size = {})",
|
|
current_vaddr, src_addr, size);
|
|
ZeroBlock(process, dest_addr, copy_amount);
|
|
break;
|
|
}
|
|
case PageType::Memory: {
|
|
DEBUG_ASSERT(page_table.pointers[page_index]);
|
|
const u8* src_ptr = page_table.pointers[page_index] + page_offset;
|
|
WriteBlock(process, dest_addr, src_ptr, copy_amount);
|
|
break;
|
|
}
|
|
case PageType::RasterizerCachedMemory: {
|
|
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
FlushMode::Flush);
|
|
WriteBlock(process, dest_addr, GetPointerFromVMA(process, current_vaddr), copy_amount);
|
|
break;
|
|
}
|
|
default:
|
|
UNREACHABLE();
|
|
}
|
|
|
|
page_index++;
|
|
page_offset = 0;
|
|
dest_addr += static_cast<VAddr>(copy_amount);
|
|
src_addr += static_cast<VAddr>(copy_amount);
|
|
remaining_size -= copy_amount;
|
|
}
|
|
}
|
|
|
|
void CopyBlock(VAddr dest_addr, VAddr src_addr, size_t size) {
|
|
CopyBlock(*Core::CurrentProcess(), dest_addr, src_addr, size);
|
|
}
|
|
|
|
boost::optional<PAddr> TryVirtualToPhysicalAddress(const VAddr addr) {
|
|
if (addr == 0) {
|
|
return 0;
|
|
} else if (addr >= VRAM_VADDR && addr < VRAM_VADDR_END) {
|
|
return addr - VRAM_VADDR + VRAM_PADDR;
|
|
} else if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) {
|
|
return addr - LINEAR_HEAP_VADDR + FCRAM_PADDR;
|
|
} else if (addr >= NEW_LINEAR_HEAP_VADDR && addr < NEW_LINEAR_HEAP_VADDR_END) {
|
|
return addr - NEW_LINEAR_HEAP_VADDR + FCRAM_PADDR;
|
|
} else if (addr >= DSP_RAM_VADDR && addr < DSP_RAM_VADDR_END) {
|
|
return addr - DSP_RAM_VADDR + DSP_RAM_PADDR;
|
|
} else if (addr >= IO_AREA_VADDR && addr < IO_AREA_VADDR_END) {
|
|
return addr - IO_AREA_VADDR + IO_AREA_PADDR;
|
|
}
|
|
|
|
return boost::none;
|
|
}
|
|
|
|
PAddr VirtualToPhysicalAddress(const VAddr addr) {
|
|
auto paddr = TryVirtualToPhysicalAddress(addr);
|
|
if (!paddr) {
|
|
NGLOG_ERROR(HW_Memory, "Unknown virtual address @ {:#018X}", addr);
|
|
// To help with debugging, set bit on address so that it's obviously invalid.
|
|
return addr | 0x80000000;
|
|
}
|
|
return *paddr;
|
|
}
|
|
|
|
boost::optional<VAddr> PhysicalToVirtualAddress(const PAddr addr) {
|
|
if (addr == 0) {
|
|
return 0;
|
|
} else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) {
|
|
return addr - VRAM_PADDR + VRAM_VADDR;
|
|
} else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) {
|
|
return addr - FCRAM_PADDR + Core::CurrentProcess()->GetLinearHeapAreaAddress();
|
|
} else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) {
|
|
return addr - DSP_RAM_PADDR + DSP_RAM_VADDR;
|
|
} else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) {
|
|
return addr - IO_AREA_PADDR + IO_AREA_VADDR;
|
|
}
|
|
|
|
return boost::none;
|
|
}
|
|
|
|
} // namespace Memory
|