diff options
Diffstat (limited to 'disas/riscv.c')
| -rw-r--r-- | disas/riscv.c | 201 |
1 files changed, 140 insertions, 61 deletions
diff --git a/disas/riscv.c b/disas/riscv.c index 806c4b6f93..bc433c4120 100644 --- a/disas/riscv.c +++ b/disas/riscv.c @@ -1110,8 +1110,10 @@ static const char rv_vreg_name_sym[32][4] = { /* pseudo-instruction constraints */ static const rvc_constraint rvcc_jal[] = { rvc_rd_eq_ra, rvc_end }; -static const rvc_constraint rvcc_jalr[] = { rvc_rd_eq_ra, rvc_imm_eq_zero, rvc_end }; -static const rvc_constraint rvcc_nop[] = { rvc_rd_eq_x0, rvc_rs1_eq_x0, rvc_imm_eq_zero, rvc_end }; +static const rvc_constraint rvcc_jalr[] = { rvc_rd_eq_ra, rvc_imm_eq_zero, + rvc_end }; +static const rvc_constraint rvcc_nop[] = { rvc_rd_eq_x0, rvc_rs1_eq_x0, + rvc_imm_eq_zero, rvc_end }; static const rvc_constraint rvcc_mv[] = { rvc_imm_eq_zero, rvc_end }; static const rvc_constraint rvcc_not[] = { rvc_imm_eq_n1, rvc_end }; static const rvc_constraint rvcc_neg[] = { rvc_rs1_eq_x0, rvc_end }; @@ -1141,18 +1143,28 @@ static const rvc_constraint rvcc_bleu[] = { rvc_end }; static const rvc_constraint rvcc_bgt[] = { rvc_end }; static const rvc_constraint rvcc_bgtu[] = { rvc_end }; static const rvc_constraint rvcc_j[] = { rvc_rd_eq_x0, rvc_end }; -static const rvc_constraint rvcc_ret[] = { rvc_rd_eq_x0, rvc_rs1_eq_ra, rvc_end }; -static const rvc_constraint rvcc_jr[] = { rvc_rd_eq_x0, rvc_imm_eq_zero, rvc_end }; -static const rvc_constraint rvcc_rdcycle[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc00, rvc_end }; -static const rvc_constraint rvcc_rdtime[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc01, rvc_end }; -static const rvc_constraint rvcc_rdinstret[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc02, rvc_end }; -static const rvc_constraint rvcc_rdcycleh[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc80, rvc_end }; -static const rvc_constraint rvcc_rdtimeh[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc81, rvc_end }; +static const rvc_constraint rvcc_ret[] = { rvc_rd_eq_x0, rvc_rs1_eq_ra, + rvc_end }; +static const rvc_constraint rvcc_jr[] = { rvc_rd_eq_x0, rvc_imm_eq_zero, + rvc_end }; +static const rvc_constraint rvcc_rdcycle[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc00, + rvc_end }; +static const rvc_constraint rvcc_rdtime[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc01, + rvc_end }; +static const rvc_constraint rvcc_rdinstret[] = { rvc_rs1_eq_x0, + rvc_csr_eq_0xc02, rvc_end }; +static const rvc_constraint rvcc_rdcycleh[] = { rvc_rs1_eq_x0, + rvc_csr_eq_0xc80, rvc_end }; +static const rvc_constraint rvcc_rdtimeh[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc81, + rvc_end }; static const rvc_constraint rvcc_rdinstreth[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc82, rvc_end }; -static const rvc_constraint rvcc_frcsr[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x003, rvc_end }; -static const rvc_constraint rvcc_frrm[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x002, rvc_end }; -static const rvc_constraint rvcc_frflags[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x001, rvc_end }; +static const rvc_constraint rvcc_frcsr[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x003, + rvc_end }; +static const rvc_constraint rvcc_frrm[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x002, + rvc_end }; +static const rvc_constraint rvcc_frflags[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x001, + rvc_end }; static const rvc_constraint rvcc_fscsr[] = { rvc_csr_eq_0x003, rvc_end }; static const rvc_constraint rvcc_fsrm[] = { rvc_csr_eq_0x002, rvc_end }; static const rvc_constraint rvcc_fsflags[] = { rvc_csr_eq_0x001, rvc_end }; @@ -1554,17 +1566,23 @@ const rv_opcode_data opcode_data[] = { { "fmv.q.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 }, { "c.addi4spn", rv_codec_ciw_4spn, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi, rv_op_addi, rvcd_imm_nz }, - { "c.fld", rv_codec_cl_ld, rv_fmt_frd_offset_rs1, NULL, rv_op_fld, rv_op_fld, 0 }, - { "c.lw", rv_codec_cl_lw, rv_fmt_rd_offset_rs1, NULL, rv_op_lw, rv_op_lw, rv_op_lw }, + { "c.fld", rv_codec_cl_ld, rv_fmt_frd_offset_rs1, NULL, rv_op_fld, + rv_op_fld, 0 }, + { "c.lw", rv_codec_cl_lw, rv_fmt_rd_offset_rs1, NULL, rv_op_lw, rv_op_lw, + rv_op_lw }, { "c.flw", rv_codec_cl_lw, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0, 0 }, - { "c.fsd", rv_codec_cs_sd, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd, rv_op_fsd, 0 }, - { "c.sw", rv_codec_cs_sw, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw, rv_op_sw, rv_op_sw }, + { "c.fsd", rv_codec_cs_sd, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd, + rv_op_fsd, 0 }, + { "c.sw", rv_codec_cs_sw, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw, rv_op_sw, + rv_op_sw }, { "c.fsw", rv_codec_cs_sw, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0, 0 }, - { "c.nop", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_addi, rv_op_addi, rv_op_addi }, + { "c.nop", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_addi, rv_op_addi, + rv_op_addi }, { "c.addi", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi, rv_op_addi, rvcd_imm_nz }, { "c.jal", rv_codec_cj_jal, rv_fmt_rd_offset, NULL, rv_op_jal, 0, 0 }, - { "c.li", rv_codec_ci_li, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi, rv_op_addi }, + { "c.li", rv_codec_ci_li, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi, + rv_op_addi }, { "c.addi16sp", rv_codec_ci_16sp, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi, rv_op_addi, rvcd_imm_nz }, { "c.lui", rv_codec_ci_lui, rv_fmt_rd_imm, NULL, rv_op_lui, rv_op_lui, @@ -1575,37 +1593,63 @@ const rv_opcode_data opcode_data[] = { rv_op_srai, rv_op_srai, rvcd_imm_nz }, { "c.andi", rv_codec_cb_imm, rv_fmt_rd_rs1_imm, NULL, rv_op_andi, rv_op_andi, rv_op_andi }, - { "c.sub", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_sub, rv_op_sub, rv_op_sub }, - { "c.xor", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_xor, rv_op_xor, rv_op_xor }, - { "c.or", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_or, rv_op_or, rv_op_or }, - { "c.and", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_and, rv_op_and, rv_op_and }, - { "c.subw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_subw, rv_op_subw, rv_op_subw }, - { "c.addw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_addw, rv_op_addw, rv_op_addw }, - { "c.j", rv_codec_cj, rv_fmt_rd_offset, NULL, rv_op_jal, rv_op_jal, rv_op_jal }, - { "c.beqz", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_beq, rv_op_beq, rv_op_beq }, - { "c.bnez", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_bne, rv_op_bne, rv_op_bne }, + { "c.sub", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_sub, rv_op_sub, + rv_op_sub }, + { "c.xor", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_xor, rv_op_xor, + rv_op_xor }, + { "c.or", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_or, rv_op_or, + rv_op_or }, + { "c.and", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_and, rv_op_and, + rv_op_and }, + { "c.subw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_subw, rv_op_subw, + rv_op_subw }, + { "c.addw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_addw, rv_op_addw, + rv_op_addw }, + { "c.j", rv_codec_cj, rv_fmt_rd_offset, NULL, rv_op_jal, rv_op_jal, + rv_op_jal }, + { "c.beqz", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_beq, rv_op_beq, + rv_op_beq }, + { "c.bnez", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_bne, rv_op_bne, + rv_op_bne }, { "c.slli", rv_codec_ci_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_slli, rv_op_slli, rv_op_slli, rvcd_imm_nz }, - { "c.fldsp", rv_codec_ci_ldsp, rv_fmt_frd_offset_rs1, NULL, rv_op_fld, rv_op_fld, rv_op_fld }, - { "c.lwsp", rv_codec_ci_lwsp, rv_fmt_rd_offset_rs1, NULL, rv_op_lw, rv_op_lw, rv_op_lw }, - { "c.flwsp", rv_codec_ci_lwsp, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0, 0 }, - { "c.jr", rv_codec_cr_jr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr, rv_op_jalr, rv_op_jalr }, - { "c.mv", rv_codec_cr_mv, rv_fmt_rd_rs1_rs2, NULL, rv_op_addi, rv_op_addi, rv_op_addi }, - { "c.ebreak", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_ebreak, rv_op_ebreak, rv_op_ebreak }, - { "c.jalr", rv_codec_cr_jalr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr, rv_op_jalr, rv_op_jalr }, - { "c.add", rv_codec_cr, rv_fmt_rd_rs1_rs2, NULL, rv_op_add, rv_op_add, rv_op_add }, - { "c.fsdsp", rv_codec_css_sdsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd, rv_op_fsd, rv_op_fsd }, - { "c.swsp", rv_codec_css_swsp, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw, rv_op_sw, rv_op_sw }, - { "c.fswsp", rv_codec_css_swsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0, 0 }, - { "c.ld", rv_codec_cl_ld, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld, rv_op_ld }, - { "c.sd", rv_codec_cs_sd, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd, rv_op_sd }, - { "c.addiw", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, 0, rv_op_addiw, rv_op_addiw }, - { "c.ldsp", rv_codec_ci_ldsp, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld, rv_op_ld }, - { "c.sdsp", rv_codec_css_sdsp, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd, rv_op_sd }, + { "c.fldsp", rv_codec_ci_ldsp, rv_fmt_frd_offset_rs1, NULL, rv_op_fld, + rv_op_fld, rv_op_fld }, + { "c.lwsp", rv_codec_ci_lwsp, rv_fmt_rd_offset_rs1, NULL, rv_op_lw, + rv_op_lw, rv_op_lw }, + { "c.flwsp", rv_codec_ci_lwsp, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0, + 0 }, + { "c.jr", rv_codec_cr_jr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr, + rv_op_jalr, rv_op_jalr }, + { "c.mv", rv_codec_cr_mv, rv_fmt_rd_rs1_rs2, NULL, rv_op_addi, rv_op_addi, + rv_op_addi }, + { "c.ebreak", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_ebreak, + rv_op_ebreak, rv_op_ebreak }, + { "c.jalr", rv_codec_cr_jalr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr, + rv_op_jalr, rv_op_jalr }, + { "c.add", rv_codec_cr, rv_fmt_rd_rs1_rs2, NULL, rv_op_add, rv_op_add, + rv_op_add }, + { "c.fsdsp", rv_codec_css_sdsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd, + rv_op_fsd, rv_op_fsd }, + { "c.swsp", rv_codec_css_swsp, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw, + rv_op_sw, rv_op_sw }, + { "c.fswsp", rv_codec_css_swsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0, + 0 }, + { "c.ld", rv_codec_cl_ld, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld, + rv_op_ld }, + { "c.sd", rv_codec_cs_sd, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd, + rv_op_sd }, + { "c.addiw", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, 0, rv_op_addiw, + rv_op_addiw }, + { "c.ldsp", rv_codec_ci_ldsp, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld, + rv_op_ld }, + { "c.sdsp", rv_codec_css_sdsp, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd, + rv_op_sd }, { "c.lq", rv_codec_cl_lq, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq }, { "c.sq", rv_codec_cs_sq, rv_fmt_rs2_offset_rs1, NULL, 0, 0, rv_op_sq }, { "c.lqsp", rv_codec_ci_lqsp, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq }, - { "c.sqsp", rv_codec_css_sqsp, rv_fmt_rs2_offset_rs1, NULL, 0, 0, rv_op_sq }, + { "c.sqsp", rv_codec_css_sqsp, rv_fmt_rs2_offset_rs1, NULL, 0, 0, + rv_op_sq }, { "nop", rv_codec_i, rv_fmt_none, NULL, 0, 0, 0 }, { "mv", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 }, { "not", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 }, @@ -2844,7 +2888,8 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) } break; case 11: - switch (((inst >> 24) & 0b11111000) | ((inst >> 12) & 0b00000111)) { + switch (((inst >> 24) & 0b11111000) | + ((inst >> 12) & 0b00000111)) { case 2: op = rv_op_amoadd_w; break; case 3: op = rv_op_amoadd_d; break; case 4: op = rv_op_amoadd_q; break; @@ -2893,7 +2938,8 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) } break; case 12: - switch (((inst >> 22) & 0b1111111000) | ((inst >> 12) & 0b0000000111)) { + switch (((inst >> 22) & 0b1111111000) | + ((inst >> 12) & 0b0000000111)) { case 0: op = rv_op_add; break; case 1: op = rv_op_sll; break; case 2: op = rv_op_slt; break; @@ -2966,7 +3012,8 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) break; case 13: op = rv_op_lui; break; case 14: - switch (((inst >> 22) & 0b1111111000) | ((inst >> 12) & 0b0000000111)) { + switch (((inst >> 22) & 0b1111111000) | + ((inst >> 12) & 0b0000000111)) { case 0: op = rv_op_addw; break; case 1: op = rv_op_sllw; break; case 5: op = rv_op_srlw; break; @@ -3175,35 +3222,41 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) } break; case 112: - switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) { + switch (((inst >> 17) & 0b11111000) | + ((inst >> 12) & 0b00000111)) { case 0: op = rv_op_fmv_x_s; break; case 1: op = rv_op_fclass_s; break; } break; case 113: - switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) { + switch (((inst >> 17) & 0b11111000) | + ((inst >> 12) & 0b00000111)) { case 0: op = rv_op_fmv_x_d; break; case 1: op = rv_op_fclass_d; break; } break; case 115: - switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) { + switch (((inst >> 17) & 0b11111000) | + ((inst >> 12) & 0b00000111)) { case 0: op = rv_op_fmv_x_q; break; case 1: op = rv_op_fclass_q; break; } break; case 120: - switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) { + switch (((inst >> 17) & 0b11111000) | + ((inst >> 12) & 0b00000111)) { case 0: op = rv_op_fmv_s_x; break; } break; case 121: - switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) { + switch (((inst >> 17) & 0b11111000) | + ((inst >> 12) & 0b00000111)) { case 0: op = rv_op_fmv_d_x; break; } break; case 123: - switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) { + switch (((inst >> 17) & 0b11111000) | + ((inst >> 12) & 0b00000111)) { case 0: op = rv_op_fmv_q_x; break; } break; @@ -3224,9 +3277,17 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) case 11: op = rv_op_vxor_vv; break; case 12: op = rv_op_vrgather_vv; break; case 14: op = rv_op_vrgatherei16_vv; break; - case 16: if (((inst >> 25) & 1) == 0) op = rv_op_vadc_vvm; break; + case 16: + if (((inst >> 25) & 1) == 0) { + op = rv_op_vadc_vvm; + } + break; case 17: op = rv_op_vmadc_vvm; break; - case 18: if (((inst >> 25) & 1) == 0) op = rv_op_vsbc_vvm; break; + case 18: + if (((inst >> 25) & 1) == 0) { + op = rv_op_vsbc_vvm; + } + break; case 19: op = rv_op_vmsbc_vvm; break; case 23: if (((inst >> 20) & 0b111111) == 32) @@ -3373,7 +3434,11 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) case 2: op = rv_op_vmsof_m; break; case 3: op = rv_op_vmsif_m; break; case 16: op = rv_op_viota_m; break; - case 17: if (((inst >> 20) & 0b11111) == 0) op = rv_op_vid_v; break; + case 17: + if (((inst >> 20) & 0b11111) == 0) { + op = rv_op_vid_v; + } + break; } break; case 23: if ((inst >> 25) & 1) op = rv_op_vcompress_vm; break; @@ -3423,7 +3488,11 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) case 12: op = rv_op_vrgather_vi; break; case 14: op = rv_op_vslideup_vi; break; case 15: op = rv_op_vslidedown_vi; break; - case 16: if (((inst >> 25) & 1) == 0) op = rv_op_vadc_vim; break; + case 16: + if (((inst >> 25) & 1) == 0) { + op = rv_op_vadc_vim; + } + break; case 17: op = rv_op_vmadc_vim; break; case 23: if (((inst >> 20) & 0b111111) == 32) @@ -3473,9 +3542,17 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) case 12: op = rv_op_vrgather_vx; break; case 14: op = rv_op_vslideup_vx; break; case 15: op = rv_op_vslidedown_vx; break; - case 16: if (((inst >> 25) & 1) == 0) op = rv_op_vadc_vxm; break; + case 16: + if (((inst >> 25) & 1) == 0) { + op = rv_op_vadc_vxm; + } + break; case 17: op = rv_op_vmadc_vxm; break; - case 18: if (((inst >> 25) & 1) == 0) op = rv_op_vsbc_vxm; break; + case 18: + if (((inst >> 25) & 1) == 0) { + op = rv_op_vsbc_vxm; + } + break; case 19: op = rv_op_vmsbc_vxm; break; case 23: if (((inst >> 20) & 0b111111) == 32) @@ -3646,7 +3723,8 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) case 28: switch (((inst >> 12) & 0b111)) { case 0: - switch (((inst >> 20) & 0b111111100000) | ((inst >> 7) & 0b000000011111)) { + switch (((inst >> 20) & 0b111111100000) | + ((inst >> 7) & 0b000000011111)) { case 0: switch (((inst >> 15) & 0b1111111111)) { case 0: op = rv_op_ecall; break; @@ -3696,7 +3774,8 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa) } break; case 30: - switch (((inst >> 22) & 0b1111111000) | ((inst >> 12) & 0b0000000111)) { + switch (((inst >> 22) & 0b1111111000) | + ((inst >> 12) & 0b0000000111)) { case 0: op = rv_op_addd; break; case 1: op = rv_op_slld; break; case 5: op = rv_op_srld; break; |