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Merge pull request #10867 from Kelebek1/dma_safe

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Use safe reads in DMA engine
This commit is contained in:
liamwhite 2023-06-27 11:21:47 -04:00 committed by GitHub
commit 2b3bfafb9e
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1 changed files with 6 additions and 5 deletions
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11
src/video_core/engines/maxwell_dma.cpp
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@ -130,7 +130,7 @@ void MaxwellDMA::Launch() {
UNIMPLEMENTED_IF(regs.offset_out % 16 != 0); UNIMPLEMENTED_IF(regs.offset_out % 16 != 0);
read_buffer.resize_destructive(16); read_buffer.resize_destructive(16);
for (u32 offset = 0; offset < regs.line_length_in; offset += 16) { for (u32 offset = 0; offset < regs.line_length_in; offset += 16) {
memory_manager.ReadBlockUnsafe( memory_manager.ReadBlock(
convert_linear_2_blocklinear_addr(regs.offset_in + offset), convert_linear_2_blocklinear_addr(regs.offset_in + offset),
read_buffer.data(), read_buffer.size()); read_buffer.data(), read_buffer.size());
memory_manager.WriteBlockCached(regs.offset_out + offset, read_buffer.data(), memory_manager.WriteBlockCached(regs.offset_out + offset, read_buffer.data(),
@ -142,8 +142,8 @@ void MaxwellDMA::Launch() {
UNIMPLEMENTED_IF(regs.offset_out % 16 != 0); UNIMPLEMENTED_IF(regs.offset_out % 16 != 0);
read_buffer.resize_destructive(16); read_buffer.resize_destructive(16);
for (u32 offset = 0; offset < regs.line_length_in; offset += 16) { for (u32 offset = 0; offset < regs.line_length_in; offset += 16) {
memory_manager.ReadBlockUnsafe(regs.offset_in + offset, read_buffer.data(), memory_manager.ReadBlock(regs.offset_in + offset, read_buffer.data(),
read_buffer.size()); read_buffer.size());
memory_manager.WriteBlockCached( memory_manager.WriteBlockCached(
convert_linear_2_blocklinear_addr(regs.offset_out + offset), convert_linear_2_blocklinear_addr(regs.offset_out + offset),
read_buffer.data(), read_buffer.size()); read_buffer.data(), read_buffer.size());
@ -151,8 +151,9 @@ void MaxwellDMA::Launch() {
} else { } else {
if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) { if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) {
read_buffer.resize_destructive(regs.line_length_in); read_buffer.resize_destructive(regs.line_length_in);
memory_manager.ReadBlockUnsafe(regs.offset_in, read_buffer.data(), memory_manager.ReadBlock(regs.offset_in, read_buffer.data(),
regs.line_length_in); regs.line_length_in,
VideoCommon::CacheType::NoBufferCache);
memory_manager.WriteBlockCached(regs.offset_out, read_buffer.data(), memory_manager.WriteBlockCached(regs.offset_out, read_buffer.data(),
regs.line_length_in); regs.line_length_in);
} }