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Memory: move memory chunk into pImpl and make them dynamically allocated

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Otherwise MSVC would give out-of-memory error on compile time
This commit is contained in:
Weiyi Wang 2018-12-01 17:46:18 -05:00
parent ac1cda21c3
commit 7e8ba6ed8e
6 changed files with 64 additions and 36 deletions
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66
src/core/memory.cpp
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@ -21,15 +21,34 @@
namespace Memory {
class MemorySystem::Impl {
public:
Impl() {
std::fill(fcram.get(), fcram.get() + Memory::FCRAM_N3DS_SIZE, 0);
std::fill(vram.get(), vram.get() + Memory::VRAM_SIZE, 0);
std::fill(n3ds_extra_ram.get(), n3ds_extra_ram.get() + Memory::N3DS_EXTRA_RAM_SIZE, 0);
}
// Visual Studio would try to allocate these on compile time if they are std::array, which would exceed the memory limit.
std::unique_ptr<u8[]> fcram = std::make_unique<u8[]>(Memory::FCRAM_N3DS_SIZE);
std::unique_ptr<u8[]> vram = std::make_unique<u8[]>(Memory::VRAM_SIZE);
std::unique_ptr<u8[]> n3ds_extra_ram = std::make_unique<u8[]>(Memory::N3DS_EXTRA_RAM_SIZE);
PageTable* current_page_table = nullptr;
};
MemorySystem::MemorySystem() : impl(std::make_unique<Impl>()) {}
MemorySystem::~MemorySystem() = default;
void MemorySystem::SetCurrentPageTable(PageTable* page_table) {
current_page_table = page_table;
impl->current_page_table = page_table;
if (Core::System::GetInstance().IsPoweredOn()) {
Core::CPU().PageTableChanged();
}
}
PageTable* MemorySystem::GetCurrentPageTable() const {
return current_page_table;
return impl->current_page_table;
}
static void MapPages(PageTable& page_table, u32 base, u32 size, u8* memory, PageType type) {
@ -74,13 +93,13 @@ void UnmapRegion(PageTable& page_table, VAddr base, u32 size) {
u8* MemorySystem::GetPointerForRasterizerCache(VAddr addr) {
if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) {
return fcram.data() + (addr - LINEAR_HEAP_VADDR);
return impl->fcram.get() + (addr - LINEAR_HEAP_VADDR);
}
if (addr >= NEW_LINEAR_HEAP_VADDR && addr < NEW_LINEAR_HEAP_VADDR_END) {
return fcram.data() + (addr - NEW_LINEAR_HEAP_VADDR);
return impl->fcram.get() + (addr - NEW_LINEAR_HEAP_VADDR);
}
if (addr >= VRAM_VADDR && addr < VRAM_VADDR_END) {
return vram.data() + (addr - VRAM_VADDR);
return impl->vram.get() + (addr - VRAM_VADDR);
}
UNREACHABLE();
}
@ -103,7 +122,7 @@ T ReadMMIO(MMIORegionPointer mmio_handler, VAddr addr);
template <typename T>
T MemorySystem::Read(const VAddr vaddr) {
const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
const u8* page_pointer = impl->current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer) {
// NOTE: Avoid adding any extra logic to this fast-path block
T value;
@ -114,7 +133,7 @@ T MemorySystem::Read(const VAddr vaddr) {
// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
PageType type = impl->current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
LOG_ERROR(HW_Memory, "unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr);
@ -130,7 +149,7 @@ T MemorySystem::Read(const VAddr vaddr) {
return value;
}
case PageType::Special:
return ReadMMIO<T>(GetMMIOHandler(*current_page_table, vaddr), vaddr);
return ReadMMIO<T>(GetMMIOHandler(*impl->current_page_table, vaddr), vaddr);
default:
UNREACHABLE();
}
@ -141,7 +160,7 @@ void WriteMMIO(MMIORegionPointer mmio_handler, VAddr addr, const T data);
template <typename T>
void MemorySystem::Write(const VAddr vaddr, const T data) {
u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
u8* page_pointer = impl->current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer) {
// NOTE: Avoid adding any extra logic to this fast-path block
std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
@ -151,7 +170,7 @@ void MemorySystem::Write(const VAddr vaddr, const T data) {
// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
PageType type = impl->current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
LOG_ERROR(HW_Memory, "unmapped Write{} 0x{:08X} @ 0x{:08X}", sizeof(data) * 8, (u32)data,
@ -166,7 +185,7 @@ void MemorySystem::Write(const VAddr vaddr, const T data) {
break;
}
case PageType::Special:
WriteMMIO<T>(GetMMIOHandler(*current_page_table, vaddr), vaddr, data);
WriteMMIO<T>(GetMMIOHandler(*impl->current_page_table, vaddr), vaddr, data);
break;
default:
UNREACHABLE();
@ -199,12 +218,12 @@ bool MemorySystem::IsValidPhysicalAddress(const PAddr paddr) {
}
u8* MemorySystem::GetPointer(const VAddr vaddr) {
u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
u8* page_pointer = impl->current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer) {
return page_pointer + (vaddr & PAGE_MASK);
}
if (current_page_table->attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory) {
if (impl->current_page_table->attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory) {
return GetPointerForRasterizerCache(vaddr);
}
@ -256,16 +275,16 @@ u8* MemorySystem::GetPhysicalPointer(PAddr address) {
u8* target_pointer = nullptr;
switch (area->paddr_base) {
case VRAM_PADDR:
target_pointer = vram.data() + offset_into_region;
target_pointer = impl->vram.get() + offset_into_region;
break;
case DSP_RAM_PADDR:
target_pointer = Core::DSP().GetDspMemory().data() + offset_into_region;
break;
case FCRAM_PADDR:
target_pointer = fcram.data() + offset_into_region;
target_pointer = impl->fcram.get() + offset_into_region;
break;
case N3DS_EXTRA_RAM_PADDR:
target_pointer = n3ds_extra_ram.data() + offset_into_region;
target_pointer = impl->n3ds_extra_ram.get() + offset_into_region;
break;
default:
UNREACHABLE();
@ -303,7 +322,7 @@ void MemorySystem::RasterizerMarkRegionCached(PAddr start, u32 size, bool cached
for (unsigned i = 0; i < num_pages; ++i, paddr += PAGE_SIZE) {
for (VAddr vaddr : PhysicalToVirtualAddressForRasterizer(paddr)) {
PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS];
PageType& page_type = impl->current_page_table->attributes[vaddr >> PAGE_BITS];
if (cached) {
// Switch page type to cached if now cached
@ -314,7 +333,7 @@ void MemorySystem::RasterizerMarkRegionCached(PAddr start, u32 size, bool cached
break;
case PageType::Memory:
page_type = PageType::RasterizerCachedMemory;
current_page_table->pointers[vaddr >> PAGE_BITS] = nullptr;
impl->current_page_table->pointers[vaddr >> PAGE_BITS] = nullptr;
break;
default:
UNREACHABLE();
@ -328,7 +347,7 @@ void MemorySystem::RasterizerMarkRegionCached(PAddr start, u32 size, bool cached
break;
case PageType::RasterizerCachedMemory: {
page_type = PageType::Memory;
current_page_table->pointers[vaddr >> PAGE_BITS] =
impl->current_page_table->pointers[vaddr >> PAGE_BITS] =
GetPointerForRasterizerCache(vaddr & ~PAGE_MASK);
break;
}
@ -730,8 +749,13 @@ void WriteMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr, const u64 data)
}
u32 MemorySystem::GetFCRAMOffset(u8* pointer) {
ASSERT(pointer >= fcram.data() && pointer < fcram.data() + fcram.size());
return pointer - fcram.data();
ASSERT(pointer >= impl->fcram.get() && pointer <= impl->fcram.get() + Memory::FCRAM_N3DS_SIZE);
return pointer - impl->fcram.get();
}
u8* MemorySystem::GetFCRAMPointer(u32 offset) {
ASSERT(offset <= Memory::FCRAM_N3DS_SIZE);
return impl->fcram.get() + offset;
}
} // namespace Memory