| Message ID | 0e5102b6273901a78c24bb92ebb57e38db084052.1550817743.git.sandipan@linux.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 6324320de609766f79b85b681a53061885bc679d |
| 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/build-ppc64le | success | build succeeded & removed 0 sparse warning(s) |
| snowpatch_ozlabs/build-ppc64be | success | build succeeded & removed 0 sparse warning(s) |
| snowpatch_ozlabs/build-ppc64e | success | build succeeded & removed 0 sparse warning(s) |
| snowpatch_ozlabs/build-pmac32 | success | build succeeded & removed 0 sparse warning(s) |
| snowpatch_ozlabs/checkpatch | warning | total: 0 errors, 2 warnings, 4 checks, 29 lines checked |
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 9c65fb1da298..3d33fb509ef4 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -1704,7 +1704,13 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, (int) regs->gpr[rb]; goto arith_done; - +#ifdef __powerpc64__ + case 265: /* modud */ + if (!cpu_has_feature(CPU_FTR_ARCH_300)) + return -1; + op->val = regs->gpr[ra] % regs->gpr[rb]; + goto compute_done; +#endif case 266: /* add */ op->val = regs->gpr[ra] + regs->gpr[rb]; goto arith_done; @@ -1756,7 +1762,14 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, } return -1; - +#ifdef __powerpc64__ + case 777: /* modsd */ + if (!cpu_has_feature(CPU_FTR_ARCH_300)) + return -1; + op->val = (long int) regs->gpr[ra] % + (long int) regs->gpr[rb]; + goto compute_done; +#endif case 779: /* modsw */ if (!cpu_has_feature(CPU_FTR_ARCH_300)) return -1;
This adds emulation support for the following integer instructions: * Modulo Signed Doubleword (modsd) * Modulo Unsigned Doubleword (modud) Signed-off-by: Sandipan Das <sandipan@linux.ibm.com> --- arch/powerpc/lib/sstep.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-)