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provisional fix for SEGV

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kanjitalk755 2020-08-28 14:06:29 +09:00
parent 64b38dbec8
commit ec032ffd75
1 changed files with 7 additions and 0 deletions
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7
SheepShaver/src/kpx_cpu/sheepshaver_glue.cpp
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@ -765,6 +765,10 @@ static void dump_disassembly(const uint32 pc, const int prefix_count, const int
} }
} }
static bool isSegvBinCue(uint32 a) {
return a == 0x389e00 || a == 0x389e08 || a == 0x389fe0 || a == 0x489e00 || a == 0x489e08 || a == 0x489fe0;
}
sigsegv_return_t sigsegv_handler(sigsegv_info_t *sip) sigsegv_return_t sigsegv_handler(sigsegv_info_t *sip)
{ {
#if ENABLE_VOSF #if ENABLE_VOSF
@ -816,6 +820,9 @@ sigsegv_return_t sigsegv_handler(sigsegv_info_t *sip)
else if ((uint32)(addr - SheepMem::ZeroPage()) < (uint32)SheepMem::PageSize()) else if ((uint32)(addr - SheepMem::ZeroPage()) < (uint32)SheepMem::PageSize())
return SIGSEGV_RETURN_SKIP_INSTRUCTION; return SIGSEGV_RETURN_SKIP_INSTRUCTION;
else if (ROMType == ROMTYPE_NEWWORLD && isSegvBinCue(pc - ROMBase))
return SIGSEGV_RETURN_SKIP_INSTRUCTION;
// Ignore all other faults, if requested // Ignore all other faults, if requested
if (PrefsFindBool("ignoresegv")) if (PrefsFindBool("ignoresegv"))
return SIGSEGV_RETURN_SKIP_INSTRUCTION; return SIGSEGV_RETURN_SKIP_INSTRUCTION;