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New ppc opcode decoder.

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Seems to work and match up with the old decoder (which may be bad).
Old decoder remains until all functionality is replaced.
This commit is contained in:
Ben Vanik
2015-12-27 22:53:05 -08:00
parent ca8d658ffe
commit 990d973c74
15 changed files with 2490 additions and 71 deletions
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11
src/xenia/cpu/ppc/ppc_translator.cc
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@@ -219,14 +219,11 @@ void PPCTranslator::DumpSource(GuestFunction* function,
uint32_t start_address = function->address();
uint32_t end_address = function->end_address();
InstrData i;
auto block_it = blocks.begin();
for (uint32_t address = start_address, offset = 0; address <= end_address;
address += 4, offset++) {
i.address = address;
i.code = xe::load_and_swap<uint32_t>(memory->TranslateVirtual(address));
// TODO(benvanik): find a way to avoid using the opcode tables.
i.type = GetInstrType(i.code);
uint32_t code =
xe::load_and_swap<uint32_t>(memory->TranslateVirtual(address));
// Check labels.
if (block_it != blocks.end() && block_it->start_address == address) {
@@ -235,8 +232,8 @@ void PPCTranslator::DumpSource(GuestFunction* function,
++block_it;
}
string_buffer->AppendFormat("%.8X %.8X ", address, i.code);
DisasmPPC(&i, string_buffer);
string_buffer->AppendFormat("%.8X %.8X ", address, code);
DisasmPPC(address, code, string_buffer);
string_buffer->Append('\n');
}
}