diff options
| author |   Jiong Wang <jiong.wang@netronome.com> | 2019-01-26 12:26:09 -0500 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2019-01-26 13:33:02 -0800 |
| commit | b85062ac0df33a6a1dcaccd07fe7b1ca55194b25 (patch) | |
| tree | dcc6981c22dd5c9e6950021761c807104320c5a6 /arch/arm/net/bpf_jit_32.h | |
| parent | arm64: bpf: implement jitting of JMP32 (diff) | |
| download | linux-dev-b85062ac0df33a6a1dcaccd07fe7b1ca55194b25.tar.xz linux-dev-b85062ac0df33a6a1dcaccd07fe7b1ca55194b25.zip | |
arm: bpf: implement jitting of JMP32
This patch implements code-gen for new JMP32 instructions on arm.
For JSET, "ands" (AND with flags updated) is used, so corresponding
encoding helper is added.
Cc: Shubham Bansal <illusionist.neo@gmail.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/net/bpf_jit_32.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/net/bpf_jit_32.h b/arch/arm/net/bpf_jit_32.h index f4e58bcdaa43..13a05f759552 100644 --- a/arch/arm/net/bpf_jit_32.h +++ b/arch/arm/net/bpf_jit_32.h @@ -62,6 +62,7 @@ #define ARM_INST_ADDS_I 0x02900000 #define ARM_INST_AND_R 0x00000000 +#define ARM_INST_ANDS_R 0x00100000 #define ARM_INST_AND_I 0x02000000 #define ARM_INST_BIC_R 0x01c00000 @@ -172,6 +173,7 @@ #define ARM_ADC_I(rd, rn, imm) _AL3_I(ARM_INST_ADC, rd, rn, imm) #define ARM_AND_R(rd, rn, rm) _AL3_R(ARM_INST_AND, rd, rn, rm) +#define ARM_ANDS_R(rd, rn, rm) _AL3_R(ARM_INST_ANDS, rd, rn, rm) #define ARM_AND_I(rd, rn, imm) _AL3_I(ARM_INST_AND, rd, rn, imm) #define ARM_BIC_R(rd, rn, rm) _AL3_R(ARM_INST_BIC, rd, rn, rm) |