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Don't require an instruction skipper to fake SCSI globals

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This commit is contained in:
gbeauche 2005-03-05 15:44:03 +00:00
parent 9019e71cfc
commit fb42e00b8d
1 changed files with 9 additions and 5 deletions
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14
SheepShaver/src/rom_patches.cpp
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@ -2344,6 +2344,15 @@ void InstallDrivers(void)
SheepArray<SIZEOF_IOParam> pb_var; SheepArray<SIZEOF_IOParam> pb_var;
const uintptr pb = pb_var.addr(); const uintptr pb = pb_var.addr();
#if DISABLE_SCSI
// Setup fake SCSI Globals
r.d[0] = 0x1000;
Execute68kTrap(0xa71e, &r); // NewPtrSysClear()
uint32 scsi_globals = r.a[0];
D(bug("Fake SCSI globals at %08lx\n", scsi_globals));
WriteMacInt32(0xc0c, scsi_globals); // Set SCSIGlobals
#endif
// Install floppy driver // Install floppy driver
if (ROMType == ROMTYPE_NEWWORLD || ROMType == ROMTYPE_GOSSAMER) { if (ROMType == ROMTYPE_NEWWORLD || ROMType == ROMTYPE_GOSSAMER) {
@ -2358,11 +2367,6 @@ void InstallDrivers(void)
WriteMacInt16(dce + dCtlFlags, SonyDriverFlags); WriteMacInt16(dce + dCtlFlags, SonyDriverFlags);
} }
#if DISABLE_SCSI && HAVE_SIGSEGV_SKIP_INSTRUCTION
// Fake SCSIGlobals
WriteMacInt32(0xc0c, SheepMem::ZeroPage());
#endif
// Open .Sony driver // Open .Sony driver
SheepString sony_str("\005.Sony"); SheepString sony_str("\005.Sony");
WriteMacInt8(pb + ioPermssn, 0); WriteMacInt8(pb + ioPermssn, 0);