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[CPU] MMIO: Arm64, load register writes + exception cleanup

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Triang3l
2022-07-06 21:02:59 +03:00
parent fd03d886e9
commit 326e718035
9 changed files with 496 additions and 105 deletions
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20
src/xenia/base/exception_handler_win.cc
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@@ -78,8 +78,26 @@ LONG CALLBACK ExceptionHandlerCallback(PEXCEPTION_POINTERS ex_info) {
for (size_t i = 0; i < xe::countof(handlers_) && handlers_[i].first; ++i) {
if (handlers_[i].first(&ex, handlers_[i].second)) {
// Exception handled.
// TODO(benvanik): update all thread state? Dirty flags?
ex_info->ContextRecord->Rip = thread_context.rip;
ex_info->ContextRecord->EFlags = thread_context.eflags;
uint32_t modified_register_index;
uint16_t modified_int_registers_remaining = ex.modified_int_registers();
while (xe::bit_scan_forward(modified_int_registers_remaining,
&modified_register_index)) {
modified_int_registers_remaining &=
~(UINT16_C(1) << modified_register_index);
(&ex_info->ContextRecord->Rax)[modified_register_index] =
thread_context.int_registers[modified_register_index];
}
uint16_t modified_xmm_registers_remaining = ex.modified_xmm_registers();
while (xe::bit_scan_forward(modified_xmm_registers_remaining,
&modified_register_index)) {
modified_xmm_registers_remaining &=
~(UINT16_C(1) << modified_register_index);
std::memcpy(&ex_info->ContextRecord->Xmm0 + modified_register_index,
&thread_context.xmm_registers[modified_register_index],
sizeof(vec128_t));
}
return EXCEPTION_CONTINUE_EXECUTION;
}
}