fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add writeback base/size and xps base/size registers, EVENT_WRITE_SHD check

Browse Source
This commit is contained in:
disjtqz
2023-09-18 17:10:34 -04:00
committed by Radosław Gliński
parent 3876a1632a
commit 911055c44f
2 changed files with 19 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/xenia/gpu/pm4_command_processor_implement.h
View File

@@ -897,7 +897,17 @@ bool COMMAND_PROCESSOR::ExecutePacketType3_EVENT_WRITE_SHD(
auto endianness = static_cast<xenos::Endian>(address & 0x3);
address &= ~0x3;
data_value = GpuSwap(data_value, endianness);
xe::store(memory_->TranslatePhysical(address), data_value);
uint8_t* write_destination = memory_->TranslatePhysical(address);
if (address > 0x1FFFFFFF) {
uint32_t writeback_base = register_file_->values[XE_GPU_REG_WRITEBACK_BASE].u32;
uint32_t writeback_size = register_file_->values[XE_GPU_REG_WRITEBACK_SIZE].u32;
uint32_t writeback_offset = address - writeback_base;
//check whether the guest has written writeback base. if they haven't, skip the offset check
if (writeback_base != 0 && writeback_offset < writeback_size) {
write_destination = memory_->TranslateVirtual(0x7F000000 + writeback_offset);
}
}
xe::store(write_destination, data_value);
trace_writer_.WriteMemoryWrite(CpuToGpu(address), 4);
return true;
}