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Fix a crash when using DSi mode in debug builds on macOS (#1976)
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Store the BIOS images in `NDSArgs`/`DSiArgs` through pointers, not directly

- This will make it easier to keep such objects on the stack
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JesseTG authored Mar 13, 2024
1 parent ea1755b commit 31a7f53
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Showing 6 changed files with 45 additions and 39 deletions.
12 changes: 8 additions & 4 deletions src/Args.h
Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,10 @@ struct JITArgs
bool FastMemory = true;
};

using ARM9BIOSImage = std::array<u8, ARM9BIOSSize>;
using ARM7BIOSImage = std::array<u8, ARM7BIOSSize>;
using DSiBIOSImage = std::array<u8, DSiBIOSSize>;

struct GDBArgs
{
u16 PortARM7 = 0;
Expand All @@ -95,11 +99,11 @@ struct NDSArgs

/// NDS ARM9 BIOS to install.
/// Defaults to FreeBIOS, which is not compatible with DSi mode.
std::array<u8, ARM9BIOSSize> ARM9BIOS = bios_arm9_bin;
std::unique_ptr<ARM9BIOSImage> ARM9BIOS = std::make_unique<ARM9BIOSImage>(bios_arm9_bin);

/// NDS ARM7 BIOS to install.
/// Defaults to FreeBIOS, which is not compatible with DSi mode.
std::array<u8, ARM7BIOSSize> ARM7BIOS = bios_arm7_bin;
std::unique_ptr<ARM7BIOSImage> ARM7BIOS = std::make_unique<ARM7BIOSImage>(bios_arm7_bin);

/// Firmware image to install.
/// Defaults to generated NDS firmware.
Expand Down Expand Up @@ -131,8 +135,8 @@ struct NDSArgs
/// Contains no virtual methods, so there's no vtable.
struct DSiArgs final : public NDSArgs
{
std::array<u8, DSiBIOSSize> ARM9iBIOS = BrokenBIOS<DSiBIOSSize>;
std::array<u8, DSiBIOSSize> ARM7iBIOS = BrokenBIOS<DSiBIOSSize>;
std::unique_ptr<DSiBIOSImage> ARM9iBIOS = std::make_unique<DSiBIOSImage>(BrokenBIOS<DSiBIOSSize>);
std::unique_ptr<DSiBIOSImage> ARM7iBIOS = std::make_unique<DSiBIOSImage>(BrokenBIOS<DSiBIOSSize>);

/// NAND image to install.
/// Required, there is no default value.
Expand Down
4 changes: 2 additions & 2 deletions src/DSi.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -82,8 +82,8 @@ DSi::DSi(DSiArgs&& args) noexcept :
DSi_NDMA(1, 2, *this),
DSi_NDMA(1, 3, *this),
},
ARM7iBIOS(args.ARM7iBIOS),
ARM9iBIOS(args.ARM9iBIOS),
ARM7iBIOS(*args.ARM7iBIOS),
ARM9iBIOS(*args.ARM9iBIOS),
DSP(*this),
SDMMC(*this, std::move(args.NANDImage), std::move(args.DSiSDCard)),
SDIO(*this),
Expand Down
8 changes: 4 additions & 4 deletions src/NDS.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -80,8 +80,8 @@ NDS::NDS() noexcept :
NDSArgs {
nullptr,
nullptr,
bios_arm9_bin,
bios_arm7_bin,
std::make_unique<ARM9BIOSImage>(bios_arm9_bin),
std::make_unique<ARM7BIOSImage>(bios_arm7_bin),
Firmware(0),
}
)
Expand All @@ -90,8 +90,8 @@ NDS::NDS() noexcept :

NDS::NDS(NDSArgs&& args, int type) noexcept :
ConsoleType(type),
ARM7BIOS(args.ARM7BIOS),
ARM9BIOS(args.ARM9BIOS),
ARM7BIOS(*args.ARM7BIOS),
ARM9BIOS(*args.ARM9BIOS),
ARM7BIOSNative(CRC32(ARM7BIOS.data(), ARM7BIOS.size()) == ARM7BIOSCRC32),
ARM9BIOSNative(CRC32(ARM9BIOS.data(), ARM9BIOS.size()) == ARM9BIOSCRC32),
JIT(*this, args.JIT),
Expand Down
8 changes: 4 additions & 4 deletions src/frontend/qt_sdl/EmuThread.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -131,8 +131,8 @@ std::unique_ptr<NDS> EmuThread::CreateConsole(
NDSArgs ndsargs {
std::move(ndscart),
std::move(gbacart),
*arm9bios,
*arm7bios,
std::move(arm9bios),
std::move(arm7bios),
std::move(*firmware),
#ifdef JIT_ENABLED
Config::JIT_Enable ? std::make_optional(jitargs) : std::nullopt,
Expand Down Expand Up @@ -165,8 +165,8 @@ std::unique_ptr<NDS> EmuThread::CreateConsole(
auto sdcard = ROMManager::LoadDSiSDCard();
DSiArgs args {
std::move(ndsargs),
*arm9ibios,
*arm7ibios,
std::move(arm9ibios),
std::move(arm7ibios),
std::move(*nand),
std::move(sdcard),
Config::DSiFullBIOSBoot,
Expand Down
40 changes: 20 additions & 20 deletions src/frontend/qt_sdl/ROMManager.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -512,59 +512,59 @@ void LoadCheats(NDS& nds)
nds.AREngine.SetCodeFile(CheatsOn ? CheatFile : nullptr);
}

std::optional<std::array<u8, ARM9BIOSSize>> LoadARM9BIOS() noexcept
std::unique_ptr<ARM9BIOSImage> LoadARM9BIOS() noexcept
{
if (!Config::ExternalBIOSEnable)
{
return Config::ConsoleType == 0 ? std::make_optional(bios_arm9_bin) : std::nullopt;
return Config::ConsoleType == 0 ? std::make_unique<ARM9BIOSImage>(bios_arm9_bin) : nullptr;
}

if (FileHandle* f = OpenLocalFile(Config::BIOS9Path, Read))
{
std::array<u8, ARM9BIOSSize> bios {};
std::unique_ptr<ARM9BIOSImage> bios = std::make_unique<ARM9BIOSImage>();
FileRewind(f);
FileRead(bios.data(), sizeof(bios), 1, f);
FileRead(bios->data(), bios->size(), 1, f);
CloseFile(f);
Log(Info, "ARM9 BIOS loaded from %s\n", Config::BIOS9Path.c_str());
return bios;
}

Log(Warn, "ARM9 BIOS not found\n");
return std::nullopt;
return nullptr;
}

std::optional<std::array<u8, ARM7BIOSSize>> LoadARM7BIOS() noexcept
std::unique_ptr<ARM7BIOSImage> LoadARM7BIOS() noexcept
{
if (!Config::ExternalBIOSEnable)
{
return Config::ConsoleType == 0 ? std::make_optional(bios_arm7_bin) : std::nullopt;
return Config::ConsoleType == 0 ? std::make_unique<ARM7BIOSImage>(bios_arm7_bin) : nullptr;
}

if (FileHandle* f = OpenLocalFile(Config::BIOS7Path, Read))
{
std::array<u8, ARM7BIOSSize> bios {};
FileRead(bios.data(), sizeof(bios), 1, f);
std::unique_ptr<ARM7BIOSImage> bios = std::make_unique<ARM7BIOSImage>();
FileRead(bios->data(), bios->size(), 1, f);
CloseFile(f);
Log(Info, "ARM7 BIOS loaded from %s\n", Config::BIOS7Path.c_str());
return bios;
}

Log(Warn, "ARM7 BIOS not found\n");
return std::nullopt;
return nullptr;
}

std::optional<std::array<u8, DSiBIOSSize>> LoadDSiARM9BIOS() noexcept
std::unique_ptr<DSiBIOSImage> LoadDSiARM9BIOS() noexcept
{
if (FileHandle* f = OpenLocalFile(Config::DSiBIOS9Path, Read))
{
std::array<u8, DSiBIOSSize> bios {};
FileRead(bios.data(), sizeof(bios), 1, f);
std::unique_ptr<DSiBIOSImage> bios = std::make_unique<DSiBIOSImage>();
FileRead(bios->data(), bios->size(), 1, f);
CloseFile(f);

if (!Config::DSiFullBIOSBoot)
{
// herp
*(u32*)&bios[0] = 0xEAFFFFFE; // overwrites the reset vector
*(u32*)bios->data() = 0xEAFFFFFE; // overwrites the reset vector

// TODO!!!!
// hax the upper 32K out of the goddamn DSi
Expand All @@ -575,21 +575,21 @@ std::optional<std::array<u8, DSiBIOSSize>> LoadDSiARM9BIOS() noexcept
}

Log(Warn, "ARM9i BIOS not found\n");
return std::nullopt;
return nullptr;
}

std::optional<std::array<u8, DSiBIOSSize>> LoadDSiARM7BIOS() noexcept
std::unique_ptr<DSiBIOSImage> LoadDSiARM7BIOS() noexcept
{
if (FileHandle* f = OpenLocalFile(Config::DSiBIOS7Path, Read))
{
std::array<u8, DSiBIOSSize> bios {};
FileRead(bios.data(), sizeof(bios), 1, f);
std::unique_ptr<DSiBIOSImage> bios = std::make_unique<DSiBIOSImage>();
FileRead(bios->data(), bios->size(), 1, f);
CloseFile(f);

if (!Config::DSiFullBIOSBoot)
{
// herp
*(u32*)&bios[0] = 0xEAFFFFFE; // overwrites the reset vector
*(u32*)bios->data() = 0xEAFFFFFE; // overwrites the reset vector

// TODO!!!!
// hax the upper 32K out of the goddamn DSi
Expand All @@ -600,7 +600,7 @@ std::optional<std::array<u8, DSiBIOSSize>> LoadDSiARM7BIOS() noexcept
}

Log(Warn, "ARM7i BIOS not found\n");
return std::nullopt;
return nullptr;
}

Firmware GenerateFirmware(int type) noexcept
Expand Down
12 changes: 7 additions & 5 deletions src/frontend/qt_sdl/ROMManager.h
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@
#include <QMainWindow>

#include "MemConstants.h"

#include <Args.h>
#include <optional>
#include <string>
#include <memory>
Expand Down Expand Up @@ -56,11 +58,11 @@ void ClearBackupState();

/// Returns the configured ARM9 BIOS loaded from disk,
/// the FreeBIOS if external BIOS is disabled and we're in NDS mode,
/// or nullopt if loading failed.
std::optional<std::array<u8, ARM9BIOSSize>> LoadARM9BIOS() noexcept;
std::optional<std::array<u8, ARM7BIOSSize>> LoadARM7BIOS() noexcept;
std::optional<std::array<u8, DSiBIOSSize>> LoadDSiARM9BIOS() noexcept;
std::optional<std::array<u8, DSiBIOSSize>> LoadDSiARM7BIOS() noexcept;
/// or nullptr if loading failed.
std::unique_ptr<ARM9BIOSImage> LoadARM9BIOS() noexcept;
std::unique_ptr<ARM7BIOSImage> LoadARM7BIOS() noexcept;
std::unique_ptr<DSiBIOSImage> LoadDSiARM9BIOS() noexcept;
std::unique_ptr<DSiBIOSImage> LoadDSiARM7BIOS() noexcept;
std::optional<FATStorageArgs> GetDSiSDCardArgs() noexcept;
std::optional<FATStorage> LoadDSiSDCard() noexcept;
std::optional<FATStorageArgs> GetDLDISDCardArgs() noexcept;
Expand Down

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