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ARM: net: bpf_jit_32: add XOR instruction for BPF JIT

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This patch is a follow-up for patch "filter: add XOR instruction for use
with X/K" that implements BPF ARM JIT parts for the BPF XOR operation.

Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Cc: Mircea Gherzan <mgherzan@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mircea Gherzan <mgherzan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Borkmann
2012-11-07 15:28:28 +00:00
committed by David S. Miller
parent 910cc727bf
commit 3cbe20412e
2 changed files with 12 additions and 5 deletions
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2
arch/arm/net/bpf_jit_32.h
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@ -69,6 +69,7 @@
#define ARM_INST_CMP_I 0x03500000
#define ARM_INST_EOR_R 0x00200000
#define ARM_INST_EOR_I 0x02200000
#define ARM_INST_LDRB_I 0x05d00000
#define ARM_INST_LDRB_R 0x07d00000
@ -135,6 +136,7 @@
#define ARM_CMP_I(rn, imm) _AL3_I(ARM_INST_CMP, 0, rn, imm)
#define ARM_EOR_R(rd, rn, rm) _AL3_R(ARM_INST_EOR, rd, rn, rm)
#define ARM_EOR_I(rd, rn, imm) _AL3_I(ARM_INST_EOR, rd, rn, imm)
#define ARM_LDR_I(rt, rn, off) (ARM_INST_LDR_I | (rt) << 12 | (rn) << 16 \
| (off))