From: Jon Medhurst Date: Tue, 12 Apr 2011 06:45:22 +0000 (+0100) Subject: ARM: kprobes: Add emulation of RBIT instruction X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0e384ed164bdc2ad832270e81dbd14a17c143e78;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 Signed-off-by: Nicolas Pitre --- 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 */