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Merge pull request #468 from Kraust/master 

Implemented REG_TO_MEM GPU opcode
This commit is contained in:
Ben Vanik 2015-11-21 19:04:06 -08:00
parent 1956b8708e bdec7a063f
commit c53591dc54
2 changed files with 35 additions and 0 deletions
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33
src/xenia/gpu/command_processor.cc
View File

@ -517,6 +517,9 @@ bool CommandProcessor::ExecutePacketType3(RingbufferReader* reader,
case PM4_REG_RMW:
result = ExecutePacketType3_REG_RMW(reader, packet, count);
break;
case PM4_REG_TO_MEM:
result = ExecutePacketType3_REG_TO_MEM(reader, packet, count);
break;
case PM4_COND_WRITE:
result = ExecutePacketType3_COND_WRITE(reader, packet, count);
break;
@ -586,7 +589,14 @@ bool CommandProcessor::ExecutePacketType3(RingbufferReader* reader,
reader->Skip(count);
break;
case 0x00:
// Not a valid opcode. Something's up.
XELOGGPU("Invalid GPU Opcode Detected 0x%x", 0x00);
assert_always();
break;
default:
XELOGGPU("Not Implemented GPU OPCODE: 0x%X\t\tCOUNT: %d\n", opcode, count);
reader->Skip(count);
break;
}
@ -781,6 +791,29 @@ bool CommandProcessor::ExecutePacketType3_REG_RMW(RingbufferReader* reader,
return true;
}
bool CommandProcessor::ExecutePacketType3_REG_TO_MEM(RingbufferReader* reader,
uint32_t packet,
uint32_t count) {
// Copy Register to Memory (?)
// Count is 2, assuming a Register Addr and a Memory Addr.
uint32_t reg_addr = reader->Read();
uint32_t mem_addr = reader->Read();
uint32_t reg_val;
assert_true(reg_addr < RegisterFile::kRegisterCount);
reg_val = register_file_->values[reg_addr].u32;
auto endianness = static_cast<Endian>(mem_addr & 0x3);
mem_addr &= ~0x3;
reg_val = GpuSwap(reg_val, endianness);
xe::store(memory_->TranslatePhysical(mem_addr), reg_val);
trace_writer_.WriteMemoryWrite(CpuToGpu(mem_addr), 4);
return true;
}
bool CommandProcessor::ExecutePacketType3_COND_WRITE(RingbufferReader* reader,
uint32_t packet,
uint32_t count) {

2
src/xenia/gpu/command_processor.h
View File

@ -136,6 +136,8 @@ class CommandProcessor {
uint32_t packet, uint32_t count);
bool ExecutePacketType3_REG_RMW(RingbufferReader* reader, uint32_t packet,
uint32_t count);
bool ExecutePacketType3_REG_TO_MEM(RingbufferReader* reader, uint32_t packet,
uint32_t count);
bool ExecutePacketType3_COND_WRITE(RingbufferReader* reader, uint32_t packet,
uint32_t count);
bool ExecutePacketType3_EVENT_WRITE(RingbufferReader* reader, uint32_t packet,