| 73 |
|
#endif |
| 74 |
|
} |
| 75 |
|
|
| 76 |
+ |
// From main_*.cpp |
| 77 |
+ |
extern uintptr SignalStackBase(); |
| 78 |
+ |
|
| 79 |
|
// PowerPC EmulOp to exit from emulation looop |
| 80 |
|
const uint32 POWERPC_EXEC_RETURN = POWERPC_EMUL_OP | 1; |
| 81 |
|
|
| 271 |
|
#endif |
| 272 |
|
|
| 273 |
|
// Initialize stack pointer to SheepShaver alternate stack base |
| 274 |
< |
SheepArray<64> stack_area; |
| 272 |
< |
gpr(1) = stack_area.addr(); |
| 274 |
> |
gpr(1) = SignalStackBase() - 64; |
| 275 |
|
|
| 276 |
|
// Build trampoline to return from interrupt |
| 277 |
|
SheepVar32 trampoline = POWERPC_EXEC_RETURN; |
| 786 |
|
if (InterruptFlags & INTFLAG_VIA) { |
| 787 |
|
ClearInterruptFlag(INTFLAG_VIA); |
| 788 |
|
ADBInterrupt(); |
| 789 |
< |
ExecutePPC(VideoVBL); |
| 789 |
> |
ExecuteNative(NATIVE_VIDEO_VBL); |
| 790 |
|
} |
| 791 |
|
} |
| 792 |
|
#endif |
| 910 |
|
} |
| 911 |
|
|
| 912 |
|
/* |
| 911 |
– |
* Execute native subroutine (LR must contain return address) |
| 912 |
– |
*/ |
| 913 |
– |
|
| 914 |
– |
void ExecuteNative(int selector) |
| 915 |
– |
{ |
| 916 |
– |
SheepRoutineDescriptor desc(0, NativeTVECT(selector)); |
| 917 |
– |
M68kRegisters r; |
| 918 |
– |
Execute68k(desc.addr(), &r); |
| 919 |
– |
} |
| 920 |
– |
|
| 921 |
– |
/* |
| 913 |
|
* Execute 68k subroutine (must be ended with EXEC_RETURN) |
| 914 |
|
* This must only be called by the emul_thread when in EMUL_OP mode |
| 915 |
|
* r->a[7] is unused, the routine runs on the caller's stack |
