From 59e3559f48dcad3051f60c32775e028cd999ae53 Mon Sep 17 00:00:00 2001 From: James Hogan Date: Thu, 23 Jun 2016 17:34:35 +0100 Subject: [PATCH] MIPS: uasm: Add CFCMSA/CTCMSA instructions Add CFCMSA/CTCMSA instructions for accessing MSA control registers to uasm so that KVM can use uasm for generating its entry point code at runtime. Signed-off-by: James Hogan Acked-by: Ralf Baechle Cc: linux-mips@linux-mips.org Signed-off-by: Paolo Bonzini --- arch/mips/include/asm/uasm.h | 2 ++ arch/mips/include/uapi/asm/inst.h | 24 +++++++++++++++++++++++- arch/mips/mm/uasm-micromips.c | 2 ++ arch/mips/mm/uasm-mips.c | 2 ++ arch/mips/mm/uasm.c | 26 ++++++++++++++------------ 5 files changed, 43 insertions(+), 13 deletions(-) diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h index 3153ada46e9a..edc02687016e 100644 --- a/arch/mips/include/asm/uasm.h +++ b/arch/mips/include/asm/uasm.h @@ -105,7 +105,9 @@ Ip_u1s2(_bltzl); Ip_u1u2s3(_bne); Ip_u2s3u1(_cache); Ip_u1u2(_cfc1); +Ip_u2u1(_cfcmsa); Ip_u1u2(_ctc1); +Ip_u2u1(_ctcmsa); Ip_u2u1s3(_daddiu); Ip_u3u1u2(_daddu); Ip_u2u1msbu3(_dins); diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h index a1ebf973725c..2e624dd058ef 100644 --- a/arch/mips/include/uapi/asm/inst.h +++ b/arch/mips/include/uapi/asm/inst.h @@ -238,6 +238,21 @@ enum bshfl_func { }; /* + * MSA minor opcodes. + */ +enum msa_func { + msa_elm_op = 0x19, +}; + +/* + * MSA ELM opcodes. + */ +enum msa_elm { + msa_ctc_op = 0x3e, + msa_cfc_op = 0x7e, +}; + +/* * func field for MSA MI10 format. */ enum msa_mi10_func { @@ -264,7 +279,7 @@ enum mm_major_op { mm_pool32b_op, mm_pool16b_op, mm_lhu16_op, mm_andi16_op, mm_addiu32_op, mm_lhu32_op, mm_sh32_op, mm_lh32_op, mm_pool32i_op, mm_pool16c_op, mm_lwsp16_op, mm_pool16d_op, - mm_ori32_op, mm_pool32f_op, mm_reserved1_op, mm_reserved2_op, + mm_ori32_op, mm_pool32f_op, mm_pool32s_op, mm_reserved2_op, mm_pool32c_op, mm_lwgp16_op, mm_lw16_op, mm_pool16e_op, mm_xori32_op, mm_jals32_op, mm_addiupc_op, mm_reserved3_op, mm_reserved4_op, mm_pool16f_op, mm_sb16_op, mm_beqz16_op, @@ -479,6 +494,13 @@ enum mm_32f_73_minor_op { }; /* + * (microMIPS) POOL32S minor opcodes. + */ +enum mm_32s_minor_op { + mm_32s_elm_op = 0x16, +}; + +/* * (microMIPS) POOL16C minor opcodes. */ enum mm_16c_minor_op { diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c index 8b1acb2f6b8b..eba5018961eb 100644 --- a/arch/mips/mm/uasm-micromips.c +++ b/arch/mips/mm/uasm-micromips.c @@ -54,7 +54,9 @@ static struct insn insn_table_MM[] = { { insn_bne, M(mm_bne32_op, 0, 0, 0, 0, 0), RT | RS | BIMM }, { insn_cache, M(mm_pool32b_op, 0, 0, mm_cache_func, 0, 0), RT | RS | SIMM }, { insn_cfc1, M(mm_pool32f_op, 0, 0, 0, mm_cfc1_op, mm_32f_73_op), RT | RS }, + { insn_cfcmsa, M(mm_pool32s_op, 0, msa_cfc_op, 0, 0, mm_32s_elm_op), RD | RE }, { insn_ctc1, M(mm_pool32f_op, 0, 0, 0, mm_ctc1_op, mm_32f_73_op), RT | RS }, + { insn_ctcmsa, M(mm_pool32s_op, 0, msa_ctc_op, 0, 0, mm_32s_elm_op), RD | RE }, { insn_daddu, 0, 0 }, { insn_daddiu, 0, 0 }, { insn_divu, M(mm_pool32a_op, 0, 0, 0, mm_divu_op, mm_pool32axf_op), RT | RS }, diff --git a/arch/mips/mm/uasm-mips.c b/arch/mips/mm/uasm-mips.c index 5152544962c3..9f77783f23a6 100644 --- a/arch/mips/mm/uasm-mips.c +++ b/arch/mips/mm/uasm-mips.c @@ -68,7 +68,9 @@ static struct insn insn_table[] = { { insn_cache, M6(cache_op, 0, 0, 0, cache6_op), RS | RT | SIMM9 }, #endif { insn_cfc1, M(cop1_op, cfc_op, 0, 0, 0, 0), RT | RD }, + { insn_cfcmsa, M(msa_op, 0, msa_cfc_op, 0, 0, msa_elm_op), RD | RE }, { insn_ctc1, M(cop1_op, ctc_op, 0, 0, 0, 0), RT | RD }, + { insn_ctcmsa, M(msa_op, 0, msa_ctc_op, 0, 0, msa_elm_op), RD | RE }, { insn_daddiu, M(daddiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_daddu, M(spec_op, 0, 0, 0, 0, daddu_op), RS | RT | RD }, { insn_dinsm, M(spec3_op, 0, 0, 0, 0, dinsm_op), RS | RT | RD | RE }, diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c index 4731893db3f7..3affd08a262b 100644 --- a/arch/mips/mm/uasm.c +++ b/arch/mips/mm/uasm.c @@ -49,18 +49,18 @@ enum opcode { insn_invalid, insn_addiu, insn_addu, insn_and, insn_andi, insn_bbit0, insn_bbit1, insn_beq, insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl, - insn_bne, insn_cache, insn_cfc1, insn_ctc1, insn_daddiu, insn_daddu, - insn_dins, insn_dinsm, insn_divu, insn_dmfc0, insn_dmtc0, insn_drotr, - insn_drotr32, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl, insn_dsrl32, - insn_dsubu, insn_eret, insn_ext, insn_ins, insn_j, insn_jal, insn_jalr, - insn_jr, insn_lb, insn_ld, insn_ldx, insn_lh, insn_ll, insn_lld, - insn_lui, insn_lw, insn_lwx, insn_mfc0, insn_mfhc0, insn_mfhi, - insn_mflo, insn_mtc0, insn_mthc0, insn_mul, insn_or, insn_ori, - insn_pref, insn_rfe, insn_rotr, insn_sc, insn_scd, insn_sd, insn_sll, - 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_bne, insn_cache, insn_cfc1, insn_cfcmsa, insn_ctc1, insn_ctcmsa, + insn_daddiu, insn_daddu, insn_dins, insn_dinsm, insn_divu, insn_dmfc0, + insn_dmtc0, insn_drotr, insn_drotr32, insn_dsll, insn_dsll32, insn_dsra, + insn_dsrl, insn_dsrl32, insn_dsubu, insn_eret, insn_ext, insn_ins, + insn_j, insn_jal, insn_jalr, insn_jr, insn_lb, insn_ld, insn_ldx, + insn_lh, insn_ll, insn_lld, insn_lui, insn_lw, insn_lwx, insn_mfc0, + insn_mfhc0, insn_mfhi, insn_mflo, insn_mtc0, insn_mthc0, insn_mul, + insn_or, insn_ori, insn_pref, insn_rfe, insn_rotr, insn_sc, insn_scd, + insn_sd, insn_sll, 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, }; struct insn { @@ -269,7 +269,9 @@ I_u1s2(_bltzl) I_u1u2s3(_bne) I_u2s3u1(_cache) I_u1u2(_cfc1) +I_u2u1(_cfcmsa) I_u1u2(_ctc1) +I_u2u1(_ctcmsa) I_u1u2u3(_dmfc0) I_u1u2u3(_dmtc0) I_u2u1s3(_daddiu) -- 2.11.0