This adds emulation support for the following instruction:
* Set Boolean (setb)
Signed-off-by: Sathvika Vasireddy <sathv...@linux.vnet.ibm.com>
---
arch/powerpc/lib/sstep.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index c6aebc149d14..263c613d7490 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -1964,6 +1964,18 @@ int analyse_instr(struct instruction_op *op, const
struct pt_regs *regs,
op->val = ~(regs->gpr[rd] | regs->gpr[rb]);
goto logical_done;
+ case 128: /* setb */
+ if (!cpu_has_feature(CPU_FTR_ARCH_300))
+ goto unknown_opcode;
+ ra = ra & ~0x3;
+ if ((regs->ccr) & (1 << (31 - ra)))
+ op->val = -1;
+ else if ((regs->ccr) & (1 << (30 - ra)))
+ op->val = 1;
+ else
+ op->val = 0;
+ goto compute_done;
+
case 154: /* prtyw */
do_prty(regs, op, regs->gpr[rd], 32);
goto logical_done_nocc;
--
2.16.4
