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Fake reading from [HpChk]+4 (FIXME: the callchain reports some function

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from DriverServicesLib). Also make fake SCSIGlobals map to zero page.
This commit is contained in:
gbeauche 2003-12-05 12:37:14 +00:00
parent 44e54f730a
commit e517594a51
1 changed files with 11 additions and 2 deletions
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13
SheepShaver/src/rom_patches.cpp
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@ -1839,6 +1839,16 @@ static bool patch_68k(void)
*lp = htonl(0x38600000); // li r3,0
}
// FIXME: Fake reading from [HpChk]+4 (the callchain reports some function from DriverServicesLib)
if (1) {
uint32 hpchk_offset = find_rom_resource(FOURCC('n','l','i','b'), 10);
static const uint8 hpchk_dat[] = {0x80, 0x80, 0x03, 0x16, 0x94, 0x21, 0xff, 0xb0, 0x83, 0xc4, 0x00, 0x04};
if ((base = find_rom_data(hpchk_offset, hpchk_offset + 0x3000, hpchk_dat, sizeof(hpchk_dat))) == 0) return false;
D(bug("hpchk %08lx\n", base));
lp = (uint32 *)(ROM_BASE + base);
*lp = htonl(0x80800000 + XLM_ZERO_PAGE); // lwz r4,(zero page)
}
// Patch Name Registry
static const uint8 name_reg_dat[] = {0x70, 0xff, 0xab, 0xeb};
if ((base = find_rom_data(0x300, 0x380, name_reg_dat, sizeof(name_reg_dat))) == 0) return false;
@ -2186,8 +2196,7 @@ void InstallDrivers(void)
#if DISABLE_SCSI && 0
// Fake SCSIGlobals
static const uint8 fake_scsi_globals[32] = {0,};
WriteMacInt32(0xc0c, (uint32)fake_scsi_globals);
WriteMacInt32(0xc0c, SheepMem::ZeroPage());
#endif
// Open .Sony driver