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| author | Jiong Wang <jiong.wang@netronome.com> | 2019-01-26 20:26:10 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2019-01-27 00:33:02 +0300 |
| commit | 5f6459966d0abca8b799440f6e1b18dac153c54d (patch) | |
| tree | 24690a84094e3b231f1d47682e612b063d703678 /arch/powerpc/net/bpf_jit.h | |
| parent | b85062ac0df33a6a1dcaccd07fe7b1ca55194b25 (diff) | |
| download | linux-5f6459966d0abca8b799440f6e1b18dac153c54d.tar.xz | |
ppc: bpf: implement jitting of JMP32
This patch implements code-gen for new JMP32 instructions on ppc.
For JMP32 | JSET, instruction encoding for PPC_RLWINM_DOT is added to check
the result of ANDing low 32-bit of operands.
Cc: Naveen N. Rao <naveen.n.rao@linux.ibm.com>
Cc: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'arch/powerpc/net/bpf_jit.h')
| -rw-r--r-- | arch/powerpc/net/bpf_jit.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h index c2d5192ed64f..549e9490ff2a 100644 --- a/arch/powerpc/net/bpf_jit.h +++ b/arch/powerpc/net/bpf_jit.h @@ -165,6 +165,10 @@ #define PPC_RLWINM(d, a, i, mb, me) EMIT(PPC_INST_RLWINM | ___PPC_RA(d) | \ ___PPC_RS(a) | __PPC_SH(i) | \ __PPC_MB(mb) | __PPC_ME(me)) +#define PPC_RLWINM_DOT(d, a, i, mb, me) EMIT(PPC_INST_RLWINM_DOT | \ + ___PPC_RA(d) | ___PPC_RS(a) | \ + __PPC_SH(i) | __PPC_MB(mb) | \ + __PPC_ME(me)) #define PPC_RLWIMI(d, a, i, mb, me) EMIT(PPC_INST_RLWIMI | ___PPC_RA(d) | \ ___PPC_RS(a) | __PPC_SH(i) | \ __PPC_MB(mb) | __PPC_ME(me)) |