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[CPU] Disable instruction info cache if context promotion is disabled

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Fixed XMA writing to unknown registers when context promotion is disabled.
This commit is contained in:
Adrian
2026-04-14 15:59:50 +01:00
committed by Radosław Gliński
parent 049a55f036
commit 73e3caa5e1
1 changed files with 6 additions and 1 deletions
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7
src/xenia/cpu/xex_module.cc
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@@ -49,6 +49,8 @@ DEFINE_bool(
DECLARE_bool(allow_plugins); DECLARE_bool(allow_plugins);
DECLARE_bool(disable_context_promotion);
static constexpr uint8_t xe_xex1_retail_key[16] = { static constexpr uint8_t xe_xex1_retail_key[16] = {
0xA2, 0x6C, 0x10, 0xF7, 0x1F, 0xD9, 0x35, 0xE9, 0xA2, 0x6C, 0x10, 0xF7, 0x1F, 0xD9, 0x35, 0xE9,
0x8B, 0x99, 0x92, 0x2C, 0xE9, 0x32, 0x15, 0x72}; 0x8B, 0x99, 0x92, 0x2C, 0xE9, 0x32, 0x15, 0x72};
@@ -1352,7 +1354,10 @@ std::unique_ptr<Function> XexModule::CreateFunction(uint32_t address) {
processor_->backend()->CreateGuestFunction(this, address)); processor_->backend()->CreateGuestFunction(this, address));
} }
void XexInfoCache::Init(XexModule* xexmod) { void XexInfoCache::Init(XexModule* xexmod) {
if (cvars::disable_instruction_infocache) { // If context promotion is disabled then disable instruction info cache as
// well, otherwise XMA will write to unknown registers.
if (cvars::disable_instruction_infocache ||
cvars::disable_context_promotion) {
return; return;
} }