From ab9e4fa092db6c4beea8fde67261959520675456 Mon Sep 17 00:00:00 2001 From: Markos Chandras Date: Tue, 8 Apr 2014 12:47:11 +0100 Subject: [PATCH] MIPS: uasm: Add wsbh uasm instruction It will be used later on by bpf-jit [ralf@linux-mips.org: Resolved conflict.] Signed-off-by: Markos Chandras Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/6732/ Signed-off-by: Ralf Baechle --- arch/mips/include/asm/uasm.h | 1 + arch/mips/include/uapi/asm/inst.h | 11 +++++++++++ arch/mips/mm/uasm-micromips.c | 1 + arch/mips/mm/uasm-mips.c | 1 + arch/mips/mm/uasm.c | 3 ++- 5 files changed, 16 insertions(+), 1 deletion(-) diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h index 090f7503e421..d754ddc496d0 100644 --- a/arch/mips/include/asm/uasm.h +++ b/arch/mips/include/asm/uasm.h @@ -157,6 +157,7 @@ Ip_0(_tlbr); Ip_0(_tlbwi); Ip_0(_tlbwr); Ip_u1(_wait); +Ip_u2u1(_wsbh); Ip_u3u1u2(_xor); Ip_u2u1u3(_xori); Ip_u2u1(_yield); diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h index c78d235f86ee..aa37373bfd64 100644 --- a/arch/mips/include/uapi/asm/inst.h +++ b/arch/mips/include/uapi/asm/inst.h @@ -205,6 +205,16 @@ enum lx_func { lbx_op = 0x16, }; +/* + * BSHFL opcodes + */ +enum bshfl_func { + wsbh_op = 0x2, + dshd_op = 0x5, + seb_op = 0x10, + seh_op = 0x18, +}; + /* * (microMIPS) Major opcodes. */ @@ -258,6 +268,7 @@ enum mm_32a_minor_op { mm_lwxs_op = 0x118, mm_addu32_op = 0x150, mm_subu32_op = 0x1d0, + mm_wsbh_op = 0x1ec, mm_and_op = 0x250, mm_or32_op = 0x290, mm_xor32_op = 0x310, diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c index 260ca1b26504..071a4c1c2024 100644 --- a/arch/mips/mm/uasm-micromips.c +++ b/arch/mips/mm/uasm-micromips.c @@ -112,6 +112,7 @@ static struct insn insn_table_MM[] = { { insn_tlbwi, M(mm_pool32a_op, 0, 0, 0, mm_tlbwi_op, mm_pool32axf_op), 0 }, { insn_tlbwr, M(mm_pool32a_op, 0, 0, 0, mm_tlbwr_op, mm_pool32axf_op), 0 }, { insn_wait, M(mm_pool32a_op, 0, 0, 0, mm_wait_op, mm_pool32axf_op), SCIMM }, + { insn_wsbh, M(mm_pool32a_op, 0, 0, 0, mm_wsbh_op, mm_pool32axf_op), RT | RS }, { insn_xor, M(mm_pool32a_op, 0, 0, 0, 0, mm_xor32_op), RT | RS | RD }, { insn_xori, M(mm_xori32_op, 0, 0, 0, 0, 0), RT | RS | UIMM }, { insn_dins, 0, 0 }, diff --git a/arch/mips/mm/uasm-mips.c b/arch/mips/mm/uasm-mips.c index ad1701c4727d..c50d3b4b55a7 100644 --- a/arch/mips/mm/uasm-mips.c +++ b/arch/mips/mm/uasm-mips.c @@ -120,6 +120,7 @@ static struct insn insn_table[] = { { insn_tlbwi, M(cop0_op, cop_op, 0, 0, 0, tlbwi_op), 0 }, { insn_tlbwr, M(cop0_op, cop_op, 0, 0, 0, tlbwr_op), 0 }, { insn_wait, M(cop0_op, cop_op, 0, 0, 0, wait_op), SCIMM }, + { insn_wsbh, M(spec3_op, 0, 0, 0, wsbh_op, bshfl_op), RT | RD }, { insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD }, { insn_yield, M(spec3_op, 0, 0, 0, 0, yield_op), RS | RD }, diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c index e0738fa514bc..678e41a57892 100644 --- a/arch/mips/mm/uasm.c +++ b/arch/mips/mm/uasm.c @@ -55,7 +55,7 @@ enum opcode { insn_rotr, insn_sc, insn_scd, insn_sd, insn_sll, insn_sllv, 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_xor, insn_xori, insn_yield, + insn_wsbh, insn_xor, insn_xori, insn_yield, }; struct insn { @@ -298,6 +298,7 @@ I_0(_tlbr) I_0(_tlbwi) I_0(_tlbwr) I_u1(_wait); +I_u2u1(_wsbh) I_u3u1u2(_xor) I_u2u1u3(_xori) I_u2u1(_yield) -- 2.30.2