Memory: move states into class
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d18cda5a5d
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42edab01d9
5 changed files with 27 additions and 25 deletions
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@ -188,10 +188,11 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u32 size, VMAPermission per
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u32 interval_size = interval.upper() - interval.lower();
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u32 interval_size = interval.upper() - interval.lower();
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LOG_DEBUG(Kernel, "Allocated FCRAM region lower={:08X}, upper={:08X}", interval.lower(),
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LOG_DEBUG(Kernel, "Allocated FCRAM region lower={:08X}, upper={:08X}", interval.lower(),
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interval.upper());
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interval.upper());
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std::fill(Memory::fcram.begin() + interval.lower(),
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std::fill(kernel.memory.fcram.begin() + interval.lower(),
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Memory::fcram.begin() + interval.upper(), 0);
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kernel.memory.fcram.begin() + interval.upper(), 0);
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auto vma = vm_manager.MapBackingMemory(
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auto vma = vm_manager.MapBackingMemory(interval_target,
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interval_target, Memory::fcram.data() + interval.lower(), interval_size, memory_state);
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kernel.memory.fcram.data() + interval.lower(),
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interval_size, memory_state);
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ASSERT(vma.Succeeded());
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ASSERT(vma.Succeeded());
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vm_manager.Reprotect(vma.Unwrap(), perms);
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vm_manager.Reprotect(vma.Unwrap(), perms);
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interval_target += interval_size;
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interval_target += interval_size;
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@ -262,7 +263,7 @@ ResultVal<VAddr> Process::LinearAllocate(VAddr target, u32 size, VMAPermission p
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}
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}
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}
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}
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u8* backing_memory = Memory::fcram.data() + physical_offset;
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u8* backing_memory = kernel.memory.fcram.data() + physical_offset;
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std::fill(backing_memory, backing_memory + size, 0);
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std::fill(backing_memory, backing_memory + size, 0);
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auto vma = vm_manager.MapBackingMemory(target, backing_memory, size, MemoryState::Continuous);
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auto vma = vm_manager.MapBackingMemory(target, backing_memory, size, MemoryState::Continuous);
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@ -43,8 +43,8 @@ ResultVal<SharedPtr<SharedMemory>> KernelSystem::CreateSharedMemory(
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ASSERT_MSG(offset, "Not enough space in region to allocate shared memory!");
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ASSERT_MSG(offset, "Not enough space in region to allocate shared memory!");
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std::fill(Memory::fcram.data() + *offset, Memory::fcram.data() + *offset + size, 0);
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std::fill(memory.fcram.data() + *offset, memory.fcram.data() + *offset + size, 0);
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shared_memory->backing_blocks = {{Memory::fcram.data() + *offset, size}};
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shared_memory->backing_blocks = {{memory.fcram.data() + *offset, size}};
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shared_memory->holding_memory += MemoryRegionInfo::Interval(*offset, *offset + size);
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shared_memory->holding_memory += MemoryRegionInfo::Interval(*offset, *offset + size);
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shared_memory->linear_heap_phys_offset = *offset;
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shared_memory->linear_heap_phys_offset = *offset;
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@ -86,8 +86,8 @@ SharedPtr<SharedMemory> KernelSystem::CreateSharedMemoryForApplet(
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shared_memory->other_permissions = other_permissions;
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shared_memory->other_permissions = other_permissions;
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for (const auto& interval : backing_blocks) {
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for (const auto& interval : backing_blocks) {
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shared_memory->backing_blocks.push_back(
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shared_memory->backing_blocks.push_back(
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{Memory::fcram.data() + interval.lower(), interval.upper() - interval.lower()});
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{memory.fcram.data() + interval.lower(), interval.upper() - interval.lower()});
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std::fill(Memory::fcram.data() + interval.lower(), Memory::fcram.data() + interval.upper(),
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std::fill(memory.fcram.data() + interval.lower(), memory.fcram.data() + interval.upper(),
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0);
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0);
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}
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}
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shared_memory->base_address = Memory::HEAP_VADDR + offset;
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shared_memory->base_address = Memory::HEAP_VADDR + offset;
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@ -355,7 +355,7 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
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// Map the page to the current process' address space.
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// Map the page to the current process' address space.
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vm_manager.MapBackingMemory(Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE,
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vm_manager.MapBackingMemory(Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE,
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Memory::fcram.data() + *offset, Memory::PAGE_SIZE,
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memory.fcram.data() + *offset, Memory::PAGE_SIZE,
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MemoryState::Locked);
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MemoryState::Locked);
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}
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}
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@ -21,12 +21,6 @@
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namespace Memory {
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namespace Memory {
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static std::array<u8, Memory::VRAM_SIZE> vram;
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static std::array<u8, Memory::N3DS_EXTRA_RAM_SIZE> n3ds_extra_ram;
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std::array<u8, Memory::FCRAM_N3DS_SIZE> fcram;
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static PageTable* current_page_table = nullptr;
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void MemorySystem::SetCurrentPageTable(PageTable* page_table) {
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void MemorySystem::SetCurrentPageTable(PageTable* page_table) {
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current_page_table = page_table;
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current_page_table = page_table;
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if (Core::System::GetInstance().IsPoweredOn()) {
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if (Core::System::GetInstance().IsPoweredOn()) {
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@ -78,13 +72,7 @@ void UnmapRegion(PageTable& page_table, VAddr base, u32 size) {
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);
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}
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}
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/**
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u8* MemorySystem::GetPointerForRasterizerCache(VAddr addr) {
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* Gets the pointer for virtual memory where the page is marked as RasterizerCachedMemory.
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* This is used to access the memory where the page pointer is nullptr due to rasterizer cache.
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* Since the cache only happens on linear heap or VRAM, we know the exact physical address and
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* pointer of such virtual address
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*/
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static u8* GetPointerForRasterizerCache(VAddr addr) {
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if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) {
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if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) {
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return fcram.data() + (addr - LINEAR_HEAP_VADDR);
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return fcram.data() + (addr - LINEAR_HEAP_VADDR);
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}
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}
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@ -178,8 +178,6 @@ enum : VAddr {
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NEW_LINEAR_HEAP_VADDR_END = NEW_LINEAR_HEAP_VADDR + NEW_LINEAR_HEAP_SIZE,
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NEW_LINEAR_HEAP_VADDR_END = NEW_LINEAR_HEAP_VADDR + NEW_LINEAR_HEAP_SIZE,
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};
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};
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extern std::array<u8, Memory::FCRAM_N3DS_SIZE> fcram;
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/**
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/**
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* Flushes any externally cached rasterizer resources touching the given region.
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* Flushes any externally cached rasterizer resources touching the given region.
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*/
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*/
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@ -258,12 +256,27 @@ public:
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*/
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*/
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void RasterizerMarkRegionCached(PAddr start, u32 size, bool cached);
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void RasterizerMarkRegionCached(PAddr start, u32 size, bool cached);
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std::array<u8, Memory::FCRAM_N3DS_SIZE> fcram{};
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private:
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private:
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template <typename T>
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template <typename T>
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T Read(const VAddr vaddr);
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T Read(const VAddr vaddr);
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template <typename T>
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template <typename T>
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void Write(const VAddr vaddr, const T data);
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void Write(const VAddr vaddr, const T data);
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/**
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* Gets the pointer for virtual memory where the page is marked as RasterizerCachedMemory.
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* This is used to access the memory where the page pointer is nullptr due to rasterizer cache.
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* Since the cache only happens on linear heap or VRAM, we know the exact physical address and
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* pointer of such virtual address
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*/
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u8* GetPointerForRasterizerCache(VAddr addr);
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std::array<u8, Memory::VRAM_SIZE> vram{};
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std::array<u8, Memory::N3DS_EXTRA_RAM_SIZE> n3ds_extra_ram{};
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PageTable* current_page_table = nullptr;
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};
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};
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} // namespace Memory
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} // namespace Memory
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