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Serialize command-processor WRITE_DATA guest writes

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nmzik
2026-07-17 02:14:00 +02:00
parent bf1ea80bd9
commit feb678c23e
1 changed files with 8 additions and 2 deletions
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src/graphics/guest_gpu/graphicsRun.cpp
+8 -2
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@@ -659,15 +659,21 @@ void CommandProcessor::WriteData(uint32_t* dst, const uint32_t* src, uint32_t dw
const uint32_t write_confirm = (write_control >> 20u) & 0x1u; const uint32_t write_confirm = (write_control >> 20u) & 0x1u;
if (dst_sel != 0 && dst_sel != 2 && dst_sel != 4 && dst_sel != 5) { if (dst_sel != 0 && dst_sel != 2 && dst_sel != 4 && dst_sel != 5) {
LOGF("\t warning: unexpected write_data dst_sel %" PRIu32 "\n", dst_sel); EXIT("unsupported writeData destination selector 0x%02" PRIx32 "\n", dst_sel);
} }
EXIT_NOT_IMPLEMENTED(increment != 0); EXIT_NOT_IMPLEMENTED(increment != 0);
if (cache_policy > 3 || write_confirm > 1) { if (cache_policy > 3 || write_confirm > 1) {
LOGF("\t warning: unexpected write_data control 0x%08" PRIx32 "\n", write_control); LOGF("\t warning: unexpected write_data control 0x%08" PRIx32 "\n", write_control);
} }
if (dw_num == 0) {
return;
}
memcpy(dst, src, static_cast<size_t>(dw_num) * 4); const auto size = static_cast<uint64_t>(dw_num) * sizeof(uint32_t);
CommandProcessorGuestAccessScope guest_access(CommandProcessorGuestAccess::DirectFence,
reinterpret_cast<uint64_t>(dst), size);
memcpy(dst, src, static_cast<size_t>(size));
} }
void CommandProcessor::WriteReferenceClock(uint64_t dst_address, uint32_t num_bytes) { void CommandProcessor::WriteReferenceClock(uint64_t dst_address, uint32_t num_bytes) {