From 0e384ed164bdc2ad832270e81dbd14a17c143e78 Mon Sep 17 00:00:00 2001 From: Jon Medhurst <tixy@yxit.co.uk> Date: Tue, 12 Apr 2011 07:45:22 +0100 Subject: [PATCH] ARM: kprobes: Add emulation of RBIT instruction The v6T2 RBIT instruction was accidentally being emulated correctly, this patch adds correct decoding for the instruction. Signed-off-by: Jon Medhurst <tixy@yxit.co.uk> Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> --- arch/arm/kernel/kprobes-decode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c index a37745f2abba..b6bbc0b5ecd6 100644 --- a/arch/arm/kernel/kprobes-decode.c +++ b/arch/arm/kernel/kprobes-decode.c @@ -1320,9 +1320,10 @@ space_cccc_0110__1(kprobe_opcode_t insn, struct arch_specific_insn *asi) /* REV : cccc 0110 1011 xxxx xxxx xxxx 0011 xxxx */ /* REV16 : cccc 0110 1011 xxxx xxxx xxxx 1011 xxxx */ + /* RBIT : cccc 0110 1111 xxxx xxxx xxxx 0011 xxxx */ /* REVSH : cccc 0110 1111 xxxx xxxx xxxx 1011 xxxx */ if ((insn & 0x0ff00070) == 0x06b00030 || - (insn & 0x0ff000f0) == 0x06f000b0) + (insn & 0x0ff00070) == 0x06f00030) return prep_emulate_rd12rm0(insn, asi); /* SADD16 : cccc 0110 0001 xxxx xxxx xxxx 0001 xxxx :GE */ -- 2.34.1