diff options
Diffstat (limited to 'disas/mips.c')
| -rw-r--r-- | disas/mips.c | 67 |
1 files changed, 64 insertions, 3 deletions
diff --git a/disas/mips.c b/disas/mips.c index 61313f4..8234369 100644 --- a/disas/mips.c +++ b/disas/mips.c @@ -1250,6 +1250,34 @@ const struct mips_opcode mips_builtin_opcodes[] = {"dalign", "d,v,t", 0x7c000224, 0xfc00063f, WR_d|RD_s|RD_t, 0, I64R6}, {"bitswap", "d,w", 0x7c000020, 0xffe007ff, WR_d|RD_t, 0, I32R6}, {"dbitswap","d,w", 0x7c000024, 0xffe007ff, WR_d|RD_t, 0, I64R6}, +{"balc", "+p", 0xe8000000, 0xfc000000, UBD|WR_31, 0, I32R6}, +{"bc", "+p", 0xc8000000, 0xfc000000, UBD|WR_31, 0, I32R6}, +{"jic", "t,o", 0xd8000000, 0xffe00000, UBD|RD_t, 0, I32R6}, +{"beqzc", "s,+p", 0xd8000000, 0xfc000000, CBD|RD_s, 0, I32R6}, +{"jialc", "t,o", 0xf8000000, 0xffe00000, UBD|RD_t, 0, I32R6}, +{"bnezc", "s,+p", 0xf8000000, 0xfc000000, CBD|RD_s, 0, I32R6}, +{"beqzalc", "s,t,p", 0x20000000, 0xffe00000, CBD|RD_s|RD_t, 0, I32R6}, +{"bovc", "s,t,p", 0x20000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"beqc", "s,t,p", 0x20000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"bnezalc", "s,t,p", 0x60000000, 0xffe00000, CBD|RD_s|RD_t, 0, I32R6}, +{"bnvc", "s,t,p", 0x60000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"bnec", "s,t,p", 0x60000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"blezc", "s,t,p", 0x58000000, 0xffe00000, CBD|RD_s|RD_t, 0, I32R6}, +{"bgezc", "s,t,p", 0x58000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"bgec", "s,t,p", 0x58000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"bgtzc", "s,t,p", 0x5c000000, 0xffe00000, CBD|RD_s|RD_t, 0, I32R6}, +{"bltzc", "s,t,p", 0x5c000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"bltc", "s,t,p", 0x5c000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"blezalc", "s,t,p", 0x18000000, 0xffe00000, CBD|RD_s|RD_t, 0, I32R6}, +{"bgezalc", "s,t,p", 0x18000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"bgeuc", "s,t,p", 0x18000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"bgtzalc", "s,t,p", 0x1c000000, 0xffe00000, CBD|RD_s|RD_t, 0, I32R6}, +{"bltzalc", "s,t,p", 0x1c000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"bltuc", "s,t,p", 0x1c000000, 0xfc000000, CBD|RD_s|RD_t, 0, I32R6}, +{"bc1eqz", "T,p", 0x45200000, 0xffe00000, CBD|RD_T|FP_S|FP_D, 0, I32R6}, +{"bc1nez", "T,p", 0x45a00000, 0xffe00000, CBD|RD_T|FP_S|FP_D, 0, I32R6}, +{"bc2eqz", "E,p", 0x49200000, 0xffe00000, CBD|RD_C2, 0, I32R6}, +{"bc2nez", "E,p", 0x49a00000, 0xffe00000, CBD|RD_C2, 0, I32R6}, {"pref", "k,o(b)", 0xcc000000, 0xfc000000, RD_b, 0, I4|I32|G3 }, {"prefx", "h,t(b)", 0x4c00000f, 0xfc0007ff, RD_b|RD_t, 0, I4|I33 }, {"nop", "", 0x00000000, 0xffffffff, 0, INSN2_ALIAS, I1 }, /* sll */ @@ -3616,6 +3644,24 @@ print_insn_args (const char *d, (*info->fprintf_func) (info->stream, "0x%x", msbd + 1); break; + case 'o': + delta = (l >> OP_SH_DELTA_R6) & OP_MASK_DELTA_R6; + if (delta & 0x8000) { + delta |= ~0xffff; + } + (*info->fprintf_func) (info->stream, "%d", delta); + break; + + case 'p': + /* Sign extend the displacement with 26 bits. */ + delta = (l >> OP_SH_DELTA) & OP_MASK_TARGET; + if (delta & 0x2000000) { + delta |= ~0x3FFFFFF; + } + info->target = (delta << 2) + pc + INSNLEN; + (*info->print_address_func) (info->target, info); + break; + case 't': /* Coprocessor 0 reg name */ (*info->fprintf_func) (info->stream, "%s", mips_cp0_names[(l >> OP_SH_RT) & @@ -3767,9 +3813,7 @@ print_insn_args (const char *d, case 'j': /* Same as i, but sign-extended. */ case 'o': - delta = (opp->membership == I32R6) ? - (l >> OP_SH_DELTA_R6) & OP_MASK_DELTA_R6 : - (l >> OP_SH_DELTA) & OP_MASK_DELTA; + delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA; if (delta & 0x8000) delta |= ~0xffff; @@ -4096,6 +4140,23 @@ print_insn_mips (bfd_vma memaddr, && strcmp (op->name, "jalx")) continue; + if (strcmp(op->name, "bovc") == 0 + || strcmp(op->name, "bnvc") == 0) { + if (((word >> OP_SH_RS) & OP_MASK_RS) < + ((word >> OP_SH_RT) & OP_MASK_RT)) { + continue; + } + } + if (strcmp(op->name, "bgezc") == 0 + || strcmp(op->name, "bltzc") == 0 + || strcmp(op->name, "bgezalc") == 0 + || strcmp(op->name, "bltzalc") == 0) { + if (((word >> OP_SH_RS) & OP_MASK_RS) != + ((word >> OP_SH_RT) & OP_MASK_RT)) { + continue; + } + } + /* Figure out instruction type and branch delay information. */ if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) { |