| /* |
| * QEMU RISC-V Disassembler for xthead. |
| * |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| */ |
| |
| #include "disas/riscv.h" |
| #include "disas/riscv-xthead.h" |
| |
| typedef enum { |
| /* 0 is reserved for rv_op_illegal. */ |
| /* XTheadBa */ |
| rv_op_th_addsl = 1, |
| /* XTheadBb */ |
| rv_op_th_srri, |
| rv_op_th_srriw, |
| rv_op_th_ext, |
| rv_op_th_extu, |
| rv_op_th_ff0, |
| rv_op_th_ff1, |
| rv_op_th_rev, |
| rv_op_th_revw, |
| rv_op_th_tstnbz, |
| /* XTheadBs */ |
| rv_op_th_tst, |
| /* XTheadCmo */ |
| rv_op_th_dcache_call, |
| rv_op_th_dcache_ciall, |
| rv_op_th_dcache_iall, |
| rv_op_th_dcache_cpa, |
| rv_op_th_dcache_cipa, |
| rv_op_th_dcache_ipa, |
| rv_op_th_dcache_cva, |
| rv_op_th_dcache_civa, |
| rv_op_th_dcache_iva, |
| rv_op_th_dcache_csw, |
| rv_op_th_dcache_cisw, |
| rv_op_th_dcache_isw, |
| rv_op_th_dcache_cpal1, |
| rv_op_th_dcache_cval1, |
| rv_op_th_icache_iall, |
| rv_op_th_icache_ialls, |
| rv_op_th_icache_ipa, |
| rv_op_th_icache_iva, |
| rv_op_th_l2cache_call, |
| rv_op_th_l2cache_ciall, |
| rv_op_th_l2cache_iall, |
| /* XTheadCondMov */ |
| rv_op_th_mveqz, |
| rv_op_th_mvnez, |
| /* XTheadFMemIdx */ |
| rv_op_th_flrd, |
| rv_op_th_flrw, |
| rv_op_th_flurd, |
| rv_op_th_flurw, |
| rv_op_th_fsrd, |
| rv_op_th_fsrw, |
| rv_op_th_fsurd, |
| rv_op_th_fsurw, |
| /* XTheadFmv */ |
| rv_op_th_fmv_hw_x, |
| rv_op_th_fmv_x_hw, |
| /* XTheadMac */ |
| rv_op_th_mula, |
| rv_op_th_mulah, |
| rv_op_th_mulaw, |
| rv_op_th_muls, |
| rv_op_th_mulsw, |
| rv_op_th_mulsh, |
| /* XTheadMemIdx */ |
| rv_op_th_lbia, |
| rv_op_th_lbib, |
| rv_op_th_lbuia, |
| rv_op_th_lbuib, |
| rv_op_th_lhia, |
| rv_op_th_lhib, |
| rv_op_th_lhuia, |
| rv_op_th_lhuib, |
| rv_op_th_lwia, |
| rv_op_th_lwib, |
| rv_op_th_lwuia, |
| rv_op_th_lwuib, |
| rv_op_th_ldia, |
| rv_op_th_ldib, |
| rv_op_th_sbia, |
| rv_op_th_sbib, |
| rv_op_th_shia, |
| rv_op_th_shib, |
| rv_op_th_swia, |
| rv_op_th_swib, |
| rv_op_th_sdia, |
| rv_op_th_sdib, |
| rv_op_th_lrb, |
| rv_op_th_lrbu, |
| rv_op_th_lrh, |
| rv_op_th_lrhu, |
| rv_op_th_lrw, |
| rv_op_th_lrwu, |
| rv_op_th_lrd, |
| rv_op_th_srb, |
| rv_op_th_srh, |
| rv_op_th_srw, |
| rv_op_th_srd, |
| rv_op_th_lurb, |
| rv_op_th_lurbu, |
| rv_op_th_lurh, |
| rv_op_th_lurhu, |
| rv_op_th_lurw, |
| rv_op_th_lurwu, |
| rv_op_th_lurd, |
| rv_op_th_surb, |
| rv_op_th_surh, |
| rv_op_th_surw, |
| rv_op_th_surd, |
| /* XTheadMemPair */ |
| rv_op_th_ldd, |
| rv_op_th_lwd, |
| rv_op_th_lwud, |
| rv_op_th_sdd, |
| rv_op_th_swd, |
| /* XTheadSync */ |
| rv_op_th_sfence_vmas, |
| rv_op_th_sync, |
| rv_op_th_sync_i, |
| rv_op_th_sync_is, |
| rv_op_th_sync_s, |
| } rv_xthead_op; |
| |
| const rv_opcode_data xthead_opcode_data[] = { |
| { "th.illegal", rv_codec_illegal, rv_fmt_none, NULL, 0, 0, 0 }, |
| /* XTheadBa */ |
| { "th.addsl", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| /* XTheadBb */ |
| { "th.srri", rv_codec_r2_imm6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 }, |
| { "th.srriw", rv_codec_r2_imm5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 }, |
| { "th.ext", rv_codec_r2_immhl, rv_fmt_rd_rs1_immh_imml, NULL, 0, 0, 0 }, |
| { "th.extu", rv_codec_r2_immhl, rv_fmt_rd_rs1_immh_imml, NULL, 0, 0, 0 }, |
| { "th.ff0", rv_codec_r2, rv_fmt_rd_rs1, NULL, 0, 0, 0 }, |
| { "th.ff1", rv_codec_r2, rv_fmt_rd_rs1, NULL, 0, 0, 0 }, |
| { "th.rev", rv_codec_r2, rv_fmt_rd_rs1, NULL, 0, 0, 0 }, |
| { "th.revw", rv_codec_r2, rv_fmt_rd_rs1, NULL, 0, 0, 0 }, |
| { "th.tstnbz", rv_codec_r2, rv_fmt_rd_rs1, NULL, 0, 0, 0 }, |
| /* XTheadBs */ |
| { "th.tst", rv_codec_r2_imm6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 }, |
| /* XTheadCmo */ |
| { "th.dcache.call", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.dcache.ciall", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.dcache.iall", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.dcache.cpa", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.cipa", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.ipa", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.cva", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.civa", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.iva", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.csw", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.cisw", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.isw", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.cpal1", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.dcache.cval1", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.icache.iall", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.icache.ialls", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.icache.ipa", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.icache.iva", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, |
| { "th.l2cache.call", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.l2cache.ciall", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.l2cache.iall", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| /* XTheadCondMov */ |
| { "th.mveqz", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, |
| { "th.mvnez", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, |
| /* XTheadFMemIdx */ |
| { "th.flrd", rv_codec_r_imm2, rv_fmt_frd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.flrw", rv_codec_r_imm2, rv_fmt_frd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.flurd", rv_codec_r_imm2, rv_fmt_frd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.flurw", rv_codec_r_imm2, rv_fmt_frd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.fsrd", rv_codec_r_imm2, rv_fmt_frd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.fsrw", rv_codec_r_imm2, rv_fmt_frd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.fsurd", rv_codec_r_imm2, rv_fmt_frd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.fsurw", rv_codec_r_imm2, rv_fmt_frd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| /* XTheadFmv */ |
| { "th.fmv.hw.x", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 }, |
| { "th.fmv.x.hw", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 }, |
| /* XTheadMac */ |
| { "th.mula", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, |
| { "th.mulaw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, |
| { "th.mulah", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, |
| { "th.muls", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, |
| { "th.mulsw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, |
| { "th.mulsh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, |
| /* XTheadMemIdx */ |
| { "th.lbia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lbib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml, NULL, 0, 0, 0 }, |
| { "th.lbuia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lbuib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lhia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lhib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lhuia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lhuib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lwia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lwib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lwuia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lwuib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.ldia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.ldib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.sbia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.sbib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.shia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.shib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.swia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.swib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.sdia", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.sdib", rv_codec_r2_imm2_imm5, rv_fmt_rd_rs1_immh_imml_addr, NULL, 0, 0, 0 }, |
| { "th.lrb", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lrbu", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lrh", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lrhu", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lrw", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lrwu", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lrd", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.srb", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.srh", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.srw", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.srd", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lurb", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lurbu", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lurh", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lurhu", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lurw", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lurwu", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.lurd", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.surb", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.surh", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.surw", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| { "th.surd", rv_codec_r_imm2, rv_fmt_rd_rs1_rs2_imm, NULL, 0, 0, 0 }, |
| /* XTheadMemPair */ |
| { "th.ldd", rv_codec_r_imm2, rv_fmt_rd2_imm, NULL, 0, 0, 0 }, |
| { "th.lwd", rv_codec_r_imm2, rv_fmt_rd2_imm, NULL, 0, 0, 0 }, |
| { "th.lwud", rv_codec_r_imm2, rv_fmt_rd2_imm, NULL, 0, 0, 0 }, |
| { "th.sdd", rv_codec_r_imm2, rv_fmt_rd2_imm, NULL, 0, 0, 0 }, |
| { "th.swd", rv_codec_r_imm2, rv_fmt_rd2_imm, NULL, 0, 0, 0 }, |
| /* XTheadSync */ |
| { "th.sfence.vmas", rv_codec_r, rv_fmt_rs1_rs2, NULL, 0, 0, 0 }, |
| { "th.sync", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.sync.i", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.sync.is", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| { "th.sync.s", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, |
| }; |
| |
| void decode_xtheadba(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 1: |
| switch ((inst >> 25) & 0b1111111) { |
| case 0b0000000: |
| case 0b0000001: |
| case 0b0000010: |
| case 0b0000011: op = rv_op_th_addsl; break; |
| } |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadbb(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 1: |
| switch ((inst >> 25) & 0b1111111) { |
| case 0b0001010: op = rv_op_th_srriw; break; |
| case 0b1000000: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_tstnbz; |
| } |
| break; |
| case 0b1000001: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_rev; |
| } |
| break; |
| case 0b1000010: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_ff0; |
| } |
| break; |
| case 0b1000011: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_ff1; |
| } |
| break; |
| case 0b1000100: |
| case 0b1001000: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_revw; |
| } |
| break; |
| case 0b0000100: |
| case 0b0000101: op = rv_op_th_srri; break; |
| } |
| break; |
| case 2: op = rv_op_th_ext; break; |
| case 3: op = rv_op_th_extu; break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadbs(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 1: |
| switch ((inst >> 26) & 0b111111) { |
| case 0b100010: op = rv_op_th_tst; break; |
| } |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadcmo(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 0: |
| switch ((inst >> 20 & 0b111111111111)) { |
| case 0b000000000001: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_dcache_call; |
| } |
| break; |
| case 0b000000000011: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_dcache_ciall; |
| } |
| break; |
| case 0b000000000010: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_dcache_iall; |
| } |
| break; |
| case 0b000000101001: op = rv_op_th_dcache_cpa; break; |
| case 0b000000101011: op = rv_op_th_dcache_cipa; break; |
| case 0b000000101010: op = rv_op_th_dcache_ipa; break; |
| case 0b000000100101: op = rv_op_th_dcache_cva; break; |
| case 0b000000100111: op = rv_op_th_dcache_civa; break; |
| case 0b000000100110: op = rv_op_th_dcache_iva; break; |
| case 0b000000100001: op = rv_op_th_dcache_csw; break; |
| case 0b000000100011: op = rv_op_th_dcache_cisw; break; |
| case 0b000000100010: op = rv_op_th_dcache_isw; break; |
| case 0b000000101000: op = rv_op_th_dcache_cpal1; break; |
| case 0b000000100100: op = rv_op_th_dcache_cval1; break; |
| case 0b000000010000: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_icache_iall; |
| } |
| break; |
| case 0b000000010001: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_icache_ialls; |
| } |
| break; |
| case 0b000000111000: op = rv_op_th_icache_ipa; break; |
| case 0b000000110000: op = rv_op_th_icache_iva; break; |
| case 0b000000010101: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_l2cache_call; |
| } |
| break; |
| case 0b000000010111: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_l2cache_ciall; |
| } |
| break; |
| case 0b000000010110: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_l2cache_iall; |
| } |
| break; |
| } |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadcondmov(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 1: |
| switch ((inst >> 25) & 0b1111111) { |
| case 0b0100000: op = rv_op_th_mveqz; break; |
| case 0b0100001: op = rv_op_th_mvnez; break; |
| } |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadfmemidx(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 6: |
| switch ((inst >> 27) & 0b11111) { |
| case 8: op = rv_op_th_flrw; break; |
| case 10: op = rv_op_th_flurw; break; |
| case 12: op = rv_op_th_flrd; break; |
| case 14: op = rv_op_th_flurd; break; |
| } |
| break; |
| case 7: |
| switch ((inst >> 27) & 0b11111) { |
| case 8: op = rv_op_th_fsrw; break; |
| case 10: op = rv_op_th_fsurw; break; |
| case 12: op = rv_op_th_fsrd; break; |
| case 14: op = rv_op_th_fsurd; break; |
| } |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadfmv(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 1: |
| switch ((inst >> 25) & 0b1111111) { |
| case 0b1010000: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_fmv_hw_x; |
| } |
| break; |
| case 0b1100000: |
| if (((inst >> 20) & 0b11111) == 0) { |
| op = rv_op_th_fmv_x_hw; |
| } |
| break; |
| } |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadmac(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 1: |
| switch ((inst >> 25) & 0b1111111) { |
| case 0b0010000: op = rv_op_th_mula; break; |
| case 0b0010001: op = rv_op_th_muls; break; |
| case 0b0010010: op = rv_op_th_mulaw; break; |
| case 0b0010011: op = rv_op_th_mulsw; break; |
| case 0b0010100: op = rv_op_th_mulah; break; |
| case 0b0010101: op = rv_op_th_mulsh; break; |
| } |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadmemidx(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 4: |
| switch ((inst >> 27) & 0b11111) { |
| case 0: op = rv_op_th_lrb; break; |
| case 1: op = rv_op_th_lbib; break; |
| case 2: op = rv_op_th_lurb; break; |
| case 3: op = rv_op_th_lbia; break; |
| case 4: op = rv_op_th_lrh; break; |
| case 5: op = rv_op_th_lhib; break; |
| case 6: op = rv_op_th_lurh; break; |
| case 7: op = rv_op_th_lhia; break; |
| case 8: op = rv_op_th_lrw; break; |
| case 9: op = rv_op_th_lwib; break; |
| case 10: op = rv_op_th_lurw; break; |
| case 11: op = rv_op_th_lwia; break; |
| case 12: op = rv_op_th_lrd; break; |
| case 13: op = rv_op_th_ldib; break; |
| case 14: op = rv_op_th_lurd; break; |
| case 15: op = rv_op_th_ldia; break; |
| case 16: op = rv_op_th_lrbu; break; |
| case 17: op = rv_op_th_lbuib; break; |
| case 18: op = rv_op_th_lurbu; break; |
| case 19: op = rv_op_th_lbuia; break; |
| case 20: op = rv_op_th_lrhu; break; |
| case 21: op = rv_op_th_lhuib; break; |
| case 22: op = rv_op_th_lurhu; break; |
| case 23: op = rv_op_th_lhuia; break; |
| case 24: op = rv_op_th_lrwu; break; |
| case 25: op = rv_op_th_lwuib; break; |
| case 26: op = rv_op_th_lurwu; break; |
| case 27: op = rv_op_th_lwuia; break; |
| } |
| break; |
| case 5: |
| switch ((inst >> 27) & 0b11111) { |
| case 0: op = rv_op_th_srb; break; |
| case 1: op = rv_op_th_sbib; break; |
| case 2: op = rv_op_th_surb; break; |
| case 3: op = rv_op_th_sbia; break; |
| case 4: op = rv_op_th_srh; break; |
| case 5: op = rv_op_th_shib; break; |
| case 6: op = rv_op_th_surh; break; |
| case 7: op = rv_op_th_shia; break; |
| case 8: op = rv_op_th_srw; break; |
| case 9: op = rv_op_th_swib; break; |
| case 10: op = rv_op_th_surw; break; |
| case 11: op = rv_op_th_swia; break; |
| case 12: op = rv_op_th_srd; break; |
| case 13: op = rv_op_th_sdib; break; |
| case 14: op = rv_op_th_surd; break; |
| case 15: op = rv_op_th_sdia; break; |
| } |
| break; |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadmempair(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 4: |
| switch ((inst >> 27) & 0b11111) { |
| case 28: op = rv_op_th_lwd; break; |
| case 30: op = rv_op_th_lwud; break; |
| case 31: op = rv_op_th_ldd; break; |
| } |
| break; |
| case 5: |
| switch ((inst >> 27) & 0b11111) { |
| case 28: op = rv_op_th_swd; break; |
| case 31: op = rv_op_th_sdd; break; |
| } |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
| |
| void decode_xtheadsync(rv_decode *dec, rv_isa isa) |
| { |
| rv_inst inst = dec->inst; |
| rv_opcode op = rv_op_illegal; |
| |
| switch (((inst >> 0) & 0b11)) { |
| case 3: |
| switch (((inst >> 2) & 0b11111)) { |
| case 2: |
| /* custom-0 */ |
| switch ((inst >> 12) & 0b111) { |
| case 0: |
| switch ((inst >> 25) & 0b1111111) { |
| case 0b0000010: op = rv_op_th_sfence_vmas; break; |
| case 0b0000000: |
| switch ((inst >> 20) & 0b11111) { |
| case 0b11000: op = rv_op_th_sync; break; |
| case 0b11010: op = rv_op_th_sync_i; break; |
| case 0b11011: op = rv_op_th_sync_is; break; |
| case 0b11001: op = rv_op_th_sync_s; break; |
| } |
| break; |
| } |
| break; |
| } |
| break; |
| /* custom-0 */ |
| } |
| break; |
| } |
| |
| dec->op = op; |
| } |
