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Boot_BS2Emu: Create an actual function for AppLoaderReport

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Before, we used a replace hook and didn't write anything there. Now, we write a BLR instruction to immediately return, and then use a start hook. This makes the behavior a bit clearer (though it shoudln't matter in practice).
This commit is contained in:
Pokechu22 2022-07-29 12:16:20 -07:00
parent 1ea0c7752e
commit d3d7cc6f96
2 changed files with 3 additions and 2 deletions
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1
Source/Core/Core/Boot/Boot_BS2Emu.cpp
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@ -160,6 +160,7 @@ bool CBoot::RunApploader(bool is_wii, const DiscIO::VolumeDisc& volume,
// iAppLoaderInit // iAppLoaderInit
DEBUG_LOG_FMT(MASTER_LOG, "Call iAppLoaderInit"); DEBUG_LOG_FMT(MASTER_LOG, "Call iAppLoaderInit");
PowerPC::HostWrite_U32(0x4E800020, 0x81300000); // Write BLR
HLE::Patch(0x81300000, "AppLoaderReport"); // HLE OSReport for Apploader HLE::Patch(0x81300000, "AppLoaderReport"); // HLE OSReport for Apploader
PowerPC::ppcState.gpr[3] = 0x81300000; PowerPC::ppcState.gpr[3] = 0x81300000;
RunFunction(iAppLoaderInit); RunFunction(iAppLoaderInit);

2
Source/Core/Core/HLE/HLE.cpp
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@ -58,7 +58,7 @@ constexpr std::array<Hook, 23> os_patches{{
{"GeckoCodehandler", HLE_Misc::GeckoCodeHandlerICacheFlush, HookType::Start, HookFlag::Fixed}, {"GeckoCodehandler", HLE_Misc::GeckoCodeHandlerICacheFlush, HookType::Start, HookFlag::Fixed},
{"GeckoHandlerReturnTrampoline", HLE_Misc::GeckoReturnTrampoline, HookType::Replace, HookFlag::Fixed}, {"GeckoHandlerReturnTrampoline", HLE_Misc::GeckoReturnTrampoline, HookType::Replace, HookFlag::Fixed},
{"AppLoaderReport", HLE_OS::HLE_GeneralDebugPrint, HookType::Replace, HookFlag::Fixed} // apploader needs OSReport-like function {"AppLoaderReport", HLE_OS::HLE_GeneralDebugPrint, HookType::Start, HookFlag::Fixed} // apploader needs OSReport-like function
}}; }};
// clang-format on // clang-format on