| Message ID | f6708f9faa4027a9ebfaee35d14d5631d9e472f1.1535609090.git.sandipan@linux.ibm.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | powerpc sstep: Extend instruction emulation support | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | next/apply_patch Successfully applied |
| snowpatch_ozlabs/checkpatch | warning | Test checkpatch on branch next |
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index d57cb4e28621..828677df47b2 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -1932,6 +1932,20 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, op->xerval &= ~XER_CA; set_ca32(op, op->xerval & XER_CA); goto logical_done; + + case 890: /* extswsli with sh_5 = 0 */ + case 891: /* extswsli with sh_5 = 1 */ + if (!cpu_has_feature(CPU_FTR_ARCH_300)) + return -1; + op->type = COMPUTE + SETREG; + sh = rb | ((instr & 2) << 4); + val = (signed int) regs->gpr[rd]; + if (sh) + op->val = ROTATE(val, sh) & MASK64(0, 63 - sh); + else + op->val = val; + goto logical_done; + #endif /* __powerpc64__ */ /*
This adds emulation support for the following integer instructions: * Extend-Sign Word and Shift Left Immediate (extswsli[.]) Signed-off-by: Sandipan Das <sandipan@linux.ibm.com> --- arch/powerpc/lib/sstep.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)