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Fix GC software crashing at boot if no disc is inserted

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Same fix as 0b44d7c, plus a way to skip loading the apploader
just like EmulatedBS2_Wii has been able to do for a long time.
This commit is contained in:
JosJuice 2015-08-08 22:31:51 +02:00
parent cc79334faf
commit 1d48a2f179
1 changed files with 7 additions and 1 deletions
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8
Source/Core/Core/Boot/Boot_BS2Emu.cpp
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@ -56,7 +56,10 @@ bool CBoot::EmulatedBS2_GC(bool skipAppLoader)
// Write necessary values
// Here we write values to memory that the apploader does not take care of. Game info goes
// to 0x80000000 according to YAGCD 4.2.
DVDInterface::DVDRead(/*offset*/0x00000000, /*address*/0x00000000, 0x20, false); // write disc info
// It's possible to boot DOL and ELF files without a disc inserted
if (DVDInterface::VolumeIsValid())
DVDInterface::DVDRead(/*offset*/0x00000000, /*address*/0x00000000, 0x20, false); // write disc info
PowerPC::HostWrite_U32(0x0D15EA5E, 0x80000020); // Booted from bootrom. 0xE5207C22 = booted from jtag
PowerPC::HostWrite_U32(Memory::REALRAM_SIZE, 0x80000028); // Physical Memory Size (24MB on retail)
@ -81,6 +84,9 @@ bool CBoot::EmulatedBS2_GC(bool skipAppLoader)
HLE::Patch(0x81300000, "OSReport"); // HLE OSReport for Apploader
if (!DVDInterface::VolumeIsValid())
return false;
// Load Apploader to Memory - The apploader is hardcoded to begin at 0x2440 on the disc,
// but the size can differ between discs. Compare with YAGCD chap 13.
const DiscIO::IVolume& volume = DVDInterface::GetVolume();