gpu: Rewrite virtual memory manager using PageTable.

This commit is contained in:
bunnei 2019-03-03 23:54:16 -05:00
parent 241563d15c
commit 22d3dfbcd4
13 changed files with 497 additions and 228 deletions

View file

@ -173,16 +173,8 @@ u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& ou
return 0;
}
auto& system_instance = Core::System::GetInstance();
// Remove this memory region from the rasterizer cache.
auto& gpu = system_instance.GPU();
auto cpu_addr = gpu.MemoryManager().GpuToCpuAddress(params.offset);
ASSERT(cpu_addr);
gpu.FlushAndInvalidateRegion(ToCacheAddr(Memory::GetPointer(*cpu_addr)), itr->second.size);
params.offset = gpu.MemoryManager().UnmapBuffer(params.offset, itr->second.size);
params.offset = Core::System::GetInstance().GPU().MemoryManager().UnmapBuffer(params.offset,
itr->second.size);
buffer_mappings.erase(itr->second.offset);
std::memcpy(output.data(), &params, output.size());