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memory_manager: Use GPUVAdddr, not PAddr, for GPU addresses.

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This commit is contained in:
bunnei
2018-04-21 11:16:21 -04:00
parent e8c2bb24b2
commit 9e11a76e92
7 changed files with 57 additions and 60 deletions
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72
src/video_core/memory_manager.cpp
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@ -8,90 +8,90 @@
namespace Tegra {
PAddr MemoryManager::AllocateSpace(u64 size, u64 align) {
boost::optional<PAddr> paddr = FindFreeBlock(size, align);
ASSERT(paddr);
GPUVAddr MemoryManager::AllocateSpace(u64 size, u64 align) {
boost::optional<GPUVAddr> gpu_addr = FindFreeBlock(size, align);
ASSERT(gpu_addr);
for (u64 offset = 0; offset < size; offset += PAGE_SIZE) {
ASSERT(PageSlot(*paddr + offset) == static_cast<u64>(PageStatus::Unmapped));
PageSlot(*paddr + offset) = static_cast<u64>(PageStatus::Allocated);
ASSERT(PageSlot(*gpu_addr + offset) == static_cast<u64>(PageStatus::Unmapped));
PageSlot(*gpu_addr + offset) = static_cast<u64>(PageStatus::Allocated);
}
return *paddr;
return *gpu_addr;
}
PAddr MemoryManager::AllocateSpace(PAddr paddr, u64 size, u64 align) {
GPUVAddr MemoryManager::AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align) {
for (u64 offset = 0; offset < size; offset += PAGE_SIZE) {
ASSERT(PageSlot(paddr + offset) == static_cast<u64>(PageStatus::Unmapped));
PageSlot(paddr + offset) = static_cast<u64>(PageStatus::Allocated);
ASSERT(PageSlot(gpu_addr + offset) == static_cast<u64>(PageStatus::Unmapped));
PageSlot(gpu_addr + offset) = static_cast<u64>(PageStatus::Allocated);
}
return paddr;
return gpu_addr;
}
PAddr MemoryManager::MapBufferEx(VAddr vaddr, u64 size) {
boost::optional<PAddr> paddr = FindFreeBlock(size, PAGE_SIZE);
ASSERT(paddr);
GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, u64 size) {
boost::optional<GPUVAddr> gpu_addr = FindFreeBlock(size, PAGE_SIZE);
ASSERT(gpu_addr);
for (u64 offset = 0; offset < size; offset += PAGE_SIZE) {
ASSERT(PageSlot(*paddr + offset) == static_cast<u64>(PageStatus::Unmapped));
PageSlot(*paddr + offset) = vaddr + offset;
ASSERT(PageSlot(*gpu_addr + offset) == static_cast<u64>(PageStatus::Unmapped));
PageSlot(*gpu_addr + offset) = cpu_addr + offset;
}
return *paddr;
return *gpu_addr;
}
PAddr MemoryManager::MapBufferEx(VAddr vaddr, PAddr paddr, u64 size) {
ASSERT((paddr & PAGE_MASK) == 0);
GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size) {
ASSERT((gpu_addr & PAGE_MASK) == 0);
for (u64 offset = 0; offset < size; offset += PAGE_SIZE) {
ASSERT(PageSlot(paddr + offset) == static_cast<u64>(PageStatus::Allocated));
PageSlot(paddr + offset) = vaddr + offset;
ASSERT(PageSlot(gpu_addr + offset) == static_cast<u64>(PageStatus::Allocated));
PageSlot(gpu_addr + offset) = cpu_addr + offset;
}
return paddr;
return gpu_addr;
}
boost::optional<PAddr> MemoryManager::FindFreeBlock(u64 size, u64 align) {
PAddr paddr = 0;
boost::optional<GPUVAddr> MemoryManager::FindFreeBlock(u64 size, u64 align) {
GPUVAddr gpu_addr = 0;
u64 free_space = 0;
align = (align + PAGE_MASK) & ~PAGE_MASK;
while (paddr + free_space < MAX_ADDRESS) {
if (!IsPageMapped(paddr + free_space)) {
while (gpu_addr + free_space < MAX_ADDRESS) {
if (!IsPageMapped(gpu_addr + free_space)) {
free_space += PAGE_SIZE;
if (free_space >= size) {
return paddr;
return gpu_addr;
}
} else {
paddr += free_space + PAGE_SIZE;
gpu_addr += free_space + PAGE_SIZE;
free_space = 0;
paddr = Common::AlignUp(paddr, align);
gpu_addr = Common::AlignUp(gpu_addr, align);
}
}
return {};
}
VAddr MemoryManager::PhysicalToVirtualAddress(PAddr paddr) {
VAddr base_addr = PageSlot(paddr);
VAddr MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) {
VAddr base_addr = PageSlot(gpu_addr);
ASSERT(base_addr != static_cast<u64>(PageStatus::Unmapped));
return base_addr + (paddr & PAGE_MASK);
return base_addr + (gpu_addr & PAGE_MASK);
}
bool MemoryManager::IsPageMapped(PAddr paddr) {
return PageSlot(paddr) != static_cast<u64>(PageStatus::Unmapped);
bool MemoryManager::IsPageMapped(GPUVAddr gpu_addr) {
return PageSlot(gpu_addr) != static_cast<u64>(PageStatus::Unmapped);
}
VAddr& MemoryManager::PageSlot(PAddr paddr) {
auto& block = page_table[(paddr >> (PAGE_BITS + PAGE_TABLE_BITS)) & PAGE_TABLE_MASK];
VAddr& MemoryManager::PageSlot(GPUVAddr gpu_addr) {
auto& block = page_table[(gpu_addr >> (PAGE_BITS + PAGE_TABLE_BITS)) & PAGE_TABLE_MASK];
if (!block) {
block = std::make_unique<PageBlock>();
for (unsigned index = 0; index < PAGE_BLOCK_SIZE; index++) {
(*block)[index] = static_cast<u64>(PageStatus::Unmapped);
}
}
return (*block)[(paddr >> PAGE_BITS) & PAGE_BLOCK_MASK];
return (*block)[(gpu_addr >> PAGE_BITS) & PAGE_BLOCK_MASK];
}
} // namespace Tegra