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mips: bpf: implement jitting of BPF_ALU | BPF_ARSH | BPF_X

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Jitting of BPF_K is supported already, but not BPF_X. This patch complete
the support for the latter on both MIPS and microMIPS.

Cc: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Jiong Wang
2018-12-05 13:52:30 -05:00
committed by Alexei Starovoitov
parent 17f6c83fb5
commit ee94b90c8a
6 changed files with 13 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/mips/mm/uasm-micromips.c
View File

@@ -104,6 +104,7 @@ static const struct insn insn_table_MM[insn_invalid] = {
[insn_sltiu] = {M(mm_sltiu32_op, 0, 0, 0, 0, 0), RT | RS | SIMM},
[insn_sltu] = {M(mm_pool32a_op, 0, 0, 0, 0, mm_sltu_op), RT | RS | RD},
[insn_sra] = {M(mm_pool32a_op, 0, 0, 0, 0, mm_sra_op), RT | RS | RD},
[insn_srav] = {M(mm_pool32a_op, 0, 0, 0, 0, mm_srav_op), RT | RS | RD},
[insn_srl] = {M(mm_pool32a_op, 0, 0, 0, 0, mm_srl32_op), RT | RS | RD},
[insn_srlv] = {M(mm_pool32a_op, 0, 0, 0, 0, mm_srlv32_op), RT | RS | RD},
[insn_rotr] = {M(mm_pool32a_op, 0, 0, 0, 0, mm_rotr_op), RT | RS | RD},

1
arch/mips/mm/uasm-mips.c
View File

@@ -171,6 +171,7 @@ static const struct insn insn_table[insn_invalid] = {
[insn_sltiu] = {M(sltiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM},
[insn_sltu] = {M(spec_op, 0, 0, 0, 0, sltu_op), RS | RT | RD},
[insn_sra] = {M(spec_op, 0, 0, 0, 0, sra_op), RT | RD | RE},
[insn_srav] = {M(spec_op, 0, 0, 0, 0, srav_op), RS | RT | RD},
[insn_srl] = {M(spec_op, 0, 0, 0, 0, srl_op), RT | RD | RE},
[insn_srlv] = {M(spec_op, 0, 0, 0, 0, srlv_op), RS | RT | RD},
[insn_subu] = {M(spec_op, 0, 0, 0, 0, subu_op), RS | RT | RD},

9
arch/mips/mm/uasm.c
View File

@@ -61,10 +61,10 @@ enum opcode {
insn_mthc0, insn_mthi, insn_mtlo, insn_mul, insn_multu, insn_nor,
insn_or, insn_ori, insn_pref, insn_rfe, insn_rotr, insn_sb,
insn_sc, insn_scd, insn_sd, insn_sh, insn_sll, insn_sllv,
insn_slt, insn_slti, insn_sltiu, insn_sltu, insn_sra, insn_srl,
insn_srlv, insn_subu, insn_sw, insn_sync, insn_syscall, insn_tlbp,
insn_tlbr, insn_tlbwi, insn_tlbwr, insn_wait, insn_wsbh, insn_xor,
insn_xori, insn_yield,
insn_slt, insn_slti, insn_sltiu, insn_sltu, insn_sra, insn_srav,
insn_srl, insn_srlv, insn_subu, insn_sw, insn_sync, insn_syscall,
insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_wait, insn_wsbh,
insn_xor, insn_xori, insn_yield,
insn_invalid /* insn_invalid must be last */
};
@@ -353,6 +353,7 @@ I_u2u1s3(_slti)
I_u2u1s3(_sltiu)
I_u3u1u2(_sltu)
I_u2u1u3(_sra)
I_u3u2u1(_srav)
I_u2u1u3(_srl)
I_u3u2u1(_srlv)
I_u2u1u3(_rotr)