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Address review comments

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This commit is contained in:
Billy Laws
2020-08-12 20:02:24 +01:00
committed by ◱ PixelyIon
parent ae131502c6
commit e5264f7762
27 changed files with 342 additions and 295 deletions
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72
app/src/main/cpp/skyline/gpu/memory_manager.cpp
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@ -97,8 +97,8 @@ namespace skyline::gpu::vmm {
}
u64 MemoryManager::ReserveFixed(u64 address, u64 size) {
if ((address & (constant::GpuPageSize - 1)) != 0)
return 0;
if (!util::IsAligned(address, constant::GpuPageSize))
return false;
size = util::AlignUp(size, constant::GpuPageSize);
@ -120,8 +120,8 @@ namespace skyline::gpu::vmm {
}
u64 MemoryManager::MapFixed(u64 address, u64 cpuAddress, u64 size) {
if ((address & (constant::GpuPageSize - 1)) != 0)
return 0;
if (!util::IsAligned(address, constant::GpuPageSize))
return false;
size = util::AlignUp(size, constant::GpuPageSize);
@ -129,7 +129,7 @@ namespace skyline::gpu::vmm {
}
bool MemoryManager::Unmap(u64 address) {
if ((address & (constant::GpuPageSize - 1)) != 0)
if (!util::IsAligned(address, constant::GpuPageSize))
return false;
auto chunk = std::find_if(chunkList.begin(), chunkList.end(), [address](const ChunkDescriptor &chunk) -> bool {
@ -146,56 +146,62 @@ namespace skyline::gpu::vmm {
}
void MemoryManager::Read(u8 *destination, u64 address, u64 size) const {
auto chunk = --std::upper_bound(chunkList.begin(), chunkList.end(), address, [](const u64 address, const ChunkDescriptor &chunk) -> bool {
auto chunk = std::upper_bound(chunkList.begin(), chunkList.end(), address, [](const u64 address, const ChunkDescriptor &chunk) -> bool {
return address < chunk.address;
});
if (chunk == chunkList.end() || chunk->state != ChunkState::Mapped)
throw exception("Failed to read region in GPU address space - address: 0x{:X} size: 0x{:X}", address, size);
throw exception("Failed to read region in GPU address space: Address: 0x{:X}, Size: 0x{:X}", address, size);
u64 chunkOffset = address - chunk->address;
u64 destinationOffset{};
chunk--;
u64 initialSize{size};
u64 chunkOffset{address - chunk->address};
u64 readAddress{chunk->cpuAddress + chunkOffset};
u64 readSize{std::min(chunk->size - chunkOffset, size)};
// A continuous region in the GPU address space may be made up of several discontinuous regions in physical memory so we have to iterate over all chunks
while (size != 0) {
if (chunk == chunkList.end() || chunk->state != ChunkState::Mapped)
throw exception("Failed to read region in GPU address space - address: {#:X} size: {#:X}", address, size);
while (size) {
state.process->ReadMemory(destination + (initialSize - size), readAddress, readSize);
u64 readSize = std::min(chunk->size - chunkOffset, size);
state.process->ReadMemory(destination + destinationOffset, chunk->cpuAddress + chunkOffset, readSize);
// After the first read all further reads will start from the base of the chunk
chunkOffset = 0;
size -= readSize;
destinationOffset += readSize;
chunk++;
if (size) {
if (++chunk == chunkList.end() || chunk->state != ChunkState::Mapped)
throw exception("Failed to read region in GPU address space: Address: 0x{:X}, Size: 0x{:X}", address, size);
readAddress = chunk->cpuAddress;
readSize = std::min(chunk->size, size);
}
}
}
void MemoryManager::Write(u8 *source, u64 address, u64 size) const {
auto chunk = --std::upper_bound(chunkList.begin(), chunkList.end(), address, [](const u64 address, const ChunkDescriptor &chunk) -> bool {
auto chunk = std::upper_bound(chunkList.begin(), chunkList.end(), address, [](const u64 address, const ChunkDescriptor &chunk) -> bool {
return address < chunk.address;
});
if (chunk == chunkList.end() || chunk->state != ChunkState::Mapped)
throw exception("Failed to write to region in GPU address space - address: {#:X} size: {#:X}", address, size);
throw exception("Failed to write region in GPU address space: Address: 0x{:X}, Size: 0x{:X}", address, size);
u64 chunkOffset = address - chunk->address;
u64 sourceOffset{};
chunk--;
u64 initialSize{size};
u64 chunkOffset{address - chunk->address};
u64 writeAddress{chunk->cpuAddress + chunkOffset};
u64 writeSize{std::min(chunk->size - chunkOffset, size)};
// A continuous region in the GPU address space may be made up of several discontinuous regions in physical memory so we have to iterate over all chunks
while (size != 0) {
if (chunk == chunkList.end() || chunk->state != ChunkState::Mapped)
throw exception("Failed to write to region in GPU address space - address: {#:X} size: {#:X}", address, size);
while (size) {
state.process->WriteMemory(source + (initialSize - size), writeAddress, writeSize);
u64 writeSize = std::min(chunk->size - chunkOffset, size);
state.process->WriteMemory(source + sourceOffset, chunk->cpuAddress + chunkOffset, writeSize);
// After the first read all further reads will start from the base of the chunk
chunkOffset = 0;
size -= writeSize;
sourceOffset += writeSize;
chunk++;
if (size) {
if (++chunk == chunkList.end() || chunk->state != ChunkState::Mapped)
throw exception("Failed to write region in GPU address space: Address: 0x{:X}, Size: 0x{:X}", address, size);
writeAddress = chunk->cpuAddress;
writeSize = std::min(chunk->size, size);
}
}
}
}