diff options
Diffstat (limited to 'arch/sparc/isa/decoder.isa')
-rw-r--r-- | arch/sparc/isa/decoder.isa | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/sparc/isa/decoder.isa b/arch/sparc/isa/decoder.isa index eaf3aab3b..716653d84 100644 --- a/arch/sparc/isa/decoder.isa +++ b/arch/sparc/isa/decoder.isa @@ -532,12 +532,26 @@ decode OP default Trap::unknown({{IllegalInstruction}}) { case 1: case 3: throw illegal_instruction; case 0: +#if FULL_SYSTEM + throw trap_instruction; +#else if(passesCondition(xc->regs.MiscRegs.ccrFields.icc, machInst<25:28>)) - throw trap_instruction; + // At least glibc only uses trap 0, + // solaris/sunos may use others + assert((I ? Rs1 + Rs2 : Rs1 + SW_TRAP) == 0); + xc->syscall(); +#endif break; case 2: +#if FULL_SYSTEM + throw trap_instruction; +#else if(passesCondition(xc->regs.MiscRegs.ccrFields.xcc, machInst<25:28>)) - throw trap_instruction; + // At least glibc only uses trap 0, + // solaris/sunos may use others + assert((I ? Rs1 + Rs2 : Rs1 + SW_TRAP) == 0); + xc->syscall(); +#endif break; } }}); //Tcc |