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System: Fix reset with Type 2 fastboot

This commit is contained in:
Stenzek 2024-08-18 12:13:45 +10:00
parent 681fab5da3
commit 052930a8d8
No known key found for this signature in database
3 changed files with 37 additions and 35 deletions
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2
src/core/bios.cpp
View File

@ -263,7 +263,7 @@ bool BIOS::PatchBIOSFastBoot(u8* image, u32 image_size, ImageInfo::FastBootPatch
"?? ?? c6 24" // addiu a2, -0x6bb8
"c0 bf 04 3c" // lui a0, 0xbfc0
"?? ?? ?? 0f"; // jal 0xbfc58720
constexpr u32 FALLBACK_OFFSET = 0x0FC52AFC;
constexpr u32 FALLBACK_OFFSET = 0x00052AFC;
const std::optional<size_t> offset =
StringUtil::BytePatternSearch(std::span<const u8>(image, image_size), search_pattern);
if (offset.has_value())

67
src/core/system.cpp
View File

@ -148,7 +148,7 @@ static void LogUnsafeSettingsToConsole(const SmallStringBase& messages);
static bool Initialize(bool force_software_renderer, Error* error);
static bool LoadBIOS(Error* error);
static void ResetBootMode();
static bool SetBootMode(BootMode new_boot_mode, Error* error);
static void InternalReset();
static void ClearRunningGame();
static void DestroySystem();
@ -245,7 +245,7 @@ static std::string s_running_game_title;
static std::string s_exe_override;
static const GameDatabase::Entry* s_running_game_entry = nullptr;
static System::GameHash s_running_game_hash;
static System::BootMode s_boot_mode = System::BootMode::FullBoot;
static System::BootMode s_boot_mode = System::BootMode::None;
static bool s_running_game_custom_title = false;
static bool s_system_executing = false;
@ -1377,10 +1377,20 @@ void System::ResetSystem()
}
InternalReset();
// Reset boot mode/reload BIOS if needed. Preserve exe/psf boot.
const BootMode new_boot_mode = (s_boot_mode == BootMode::BootEXE || s_boot_mode == BootMode::BootPSF) ?
s_boot_mode :
(g_settings.bios_patch_fast_boot ? BootMode::FastBoot : BootMode::FullBoot);
if (Error error; !SetBootMode(new_boot_mode, &error))
ERROR_LOG("Failed to reload BIOS on boot mode change, the system may be unstable: {}", error.GetDescription());
ResetPerformanceCounters();
ResetThrottler();
Host::AddIconOSDMessage("system_reset", ICON_FA_POWER_OFF, TRANSLATE_STR("OSDMessage", "System reset."),
Host::OSD_QUICK_DURATION);
InterruptExecution();
}
void System::PauseSystem(bool paused)
@ -1631,7 +1641,7 @@ bool System::BootSystem(SystemBootParameters parameters, Error* error)
}
// Load BIOS image.
if (!LoadBIOS(error))
if (!SetBootMode(boot_mode, error))
{
s_state = State::Shutdown;
ClearRunningGame();
@ -1643,6 +1653,7 @@ bool System::BootSystem(SystemBootParameters parameters, Error* error)
// Component setup.
if (!Initialize(parameters.force_software_renderer, error))
{
s_boot_mode = System::BootMode::None;
s_state = State::Shutdown;
ClearRunningGame();
Host::OnSystemDestroyed();
@ -1654,7 +1665,6 @@ bool System::BootSystem(SystemBootParameters parameters, Error* error)
if (disc)
CDROM::InsertMedia(std::move(disc), disc_region);
s_boot_mode = boot_mode;
s_exe_override = std::move(exe_override);
UpdateControllers();
@ -1873,7 +1883,7 @@ void System::DestroySystem()
s_bios_hash = {};
s_bios_image_info = nullptr;
s_exe_override = {};
s_boot_mode = BootMode::FullBoot;
s_boot_mode = BootMode::None;
s_cheat_list.reset();
s_state = State::Shutdown;
@ -2418,46 +2428,35 @@ void System::InternalReset()
MDEC::Reset();
SIO::Reset();
PCDrv::Reset();
Achievements::ResetClient();
s_frame_number = 1;
s_internal_frame_number = 0;
InterruptExecution();
ResetPerformanceCounters();
ResetBootMode();
Achievements::ResetClient();
}
void System::ResetBootMode()
bool System::SetBootMode(BootMode new_boot_mode, Error* error)
{
// Preserve exe/psf boot.
if (s_boot_mode == BootMode::BootEXE || s_boot_mode == BootMode::BootPSF)
{
DebugAssert(!s_exe_override.empty());
return;
}
// Can we actually fast boot? If starting, s_bios_image_info won't be valid.
const bool can_fast_boot =
(CDROM::IsMediaPS1Disc() &&
(s_state == State::Starting || (s_bios_image_info && s_bios_image_info->SupportsFastBoot())));
const System::BootMode actual_new_boot_mode =
(new_boot_mode == BootMode::FastBoot) ? (can_fast_boot ? BootMode::FastBoot : BootMode::FullBoot) : new_boot_mode;
if (actual_new_boot_mode == s_boot_mode)
return true;
// Reset fast boot flag from settings.
const bool wants_fast_boot = (g_settings.bios_patch_fast_boot && CDROM::IsMediaPS1Disc() && s_bios_image_info &&
s_bios_image_info->SupportsFastBoot());
const System::BootMode new_boot_mode = (s_state != System::State::Starting) ?
(wants_fast_boot ? System::BootMode::FastBoot : System::BootMode::FullBoot) :
s_boot_mode;
if (new_boot_mode != s_boot_mode)
{
// Need to reload the BIOS to wipe out the patching.
Error error;
if (!LoadBIOS(&error))
ERROR_LOG("Failed to reload BIOS on boot mode change, the system may be unstable: {}", error.GetDescription());
}
if (!LoadBIOS(error))
return false;
s_boot_mode = new_boot_mode;
s_boot_mode = actual_new_boot_mode;
if (s_boot_mode == BootMode::FastBoot)
{
if (s_bios_image_info && s_bios_image_info->SupportsFastBoot())
{
// Patch BIOS, this sucks.
INFO_LOG("Patching BIOS for fast boot.");
BIOS::PatchBIOSFastBoot(Bus::g_bios, Bus::BIOS_SIZE, s_bios_image_info->fastboot_patch);
if (!BIOS::PatchBIOSFastBoot(Bus::g_bios, Bus::BIOS_SIZE, s_bios_image_info->fastboot_patch))
s_boot_mode = BootMode::FullBoot;
}
else
{
@ -2465,6 +2464,8 @@ void System::ResetBootMode()
s_boot_mode = BootMode::FullBoot;
}
}
return true;
}
size_t System::GetMaxSaveStateSize()
@ -4576,10 +4577,10 @@ bool System::LoadMemoryState(const MemorySaveState& mss)
{
StateWrapper sw(mss.state_data.cspan(), StateWrapper::Mode::Read, SAVE_STATE_VERSION);
GPUTexture* host_texture = mss.vram_texture.get();
if (!DoState(sw, &host_texture, true, true))
if (!DoState(sw, &host_texture, true, true)) [[unlikely]]
{
Host::ReportErrorAsync("Error", "Failed to load memory save state, resetting.");
InternalReset();
ResetSystem();
return false;
}

1
src/core/system.h
View File

@ -100,6 +100,7 @@ enum class State
enum class BootMode
{
None,
FullBoot,
FastBoot,
BootEXE,