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MIPS: uasm: Add support for LHU. 

The follow-on BPF JIT patches use the LHU instruction, so add it.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Steven J. Hill <steven.hill@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/15743/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney 2017-03-14 14:21:40 -07:00 committed by Ralf Baechle
parent 05510f2b48
commit bfbfa9d61c
3 changed files with 4 additions and 1 deletions
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1
arch/mips/include/asm/uasm.h
View File

@ -138,6 +138,7 @@ Ip_u2s3u1(_lb);
Ip_u2s3u1(_ld);
Ip_u3u1u2(_ldx);
Ip_u2s3u1(_lh);
Ip_u2s3u1(_lhu);
Ip_u2s3u1(_ll);
Ip_u2s3u1(_lld);
Ip_u1s2(_lui);

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

@ -103,6 +103,7 @@ static struct insn insn_table[] = {
{ insn_ld, M(ld_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
{ insn_ldx, M(spec3_op, 0, 0, 0, ldx_op, lx_op), RS | RT | RD },
{ insn_lh, M(lh_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
{ insn_lhu, M(lhu_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
#ifndef CONFIG_CPU_MIPSR6
{ insn_lld, M(lld_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
{ insn_ll, M(ll_op, 0, 0, 0, 0, 0), RS | RT | SIMM },

3
arch/mips/mm/uasm.c
View File

@ -61,7 +61,7 @@ enum opcode {
insn_sllv, insn_slt, 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_lddir, insn_ldpte,
insn_xori, insn_yield, insn_lddir, insn_ldpte, insn_lhu,
};
struct insn {
@ -297,6 +297,7 @@ I_u1(_jr)
I_u2s3u1(_lb)
I_u2s3u1(_ld)
I_u2s3u1(_lh)
I_u2s3u1(_lhu)
I_u2s3u1(_ll)
I_u2s3u1(_lld)
I_u1s2(_lui)