diff options
Diffstat (limited to 'target/arm/translate.c')
| -rw-r--r-- | target/arm/translate.c | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index ed52018c17..a4844992d5 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10721,7 +10721,7 @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn) static void disas_thumb_insn(DisasContext *s, uint32_t insn) { - uint32_t val, op, rm, rd, shift, cond; + uint32_t val, op, rm, rd, shift; int32_t offset; TCGv_i32 tmp; TCGv_i32 tmp2; @@ -10860,28 +10860,8 @@ static void disas_thumb_insn(DisasContext *s, uint32_t insn) } break; - case 13: - /* conditional branch or swi */ - cond = (insn >> 8) & 0xf; - if (cond == 0xe) - goto undef; - - if (cond == 0xf) { - /* swi */ - gen_set_pc_im(s, s->base.pc_next); - s->svc_imm = extract32(insn, 0, 8); - s->base.is_jmp = DISAS_SWI; - break; - } - /* generate a conditional jump to next instruction */ - arm_skip_unless(s, cond); - - /* jump to the offset */ - val = read_pc(s); - offset = ((int32_t)insn << 24) >> 24; - val += offset << 1; - gen_jmp(s, val); - break; + case 13: /* conditional branch or swi, in decodetree */ + goto illegal_op; case 14: if (insn & (1 << 11)) { |