diff options
Diffstat (limited to 'target/arm/translate.c')
-rw-r--r-- | target/arm/translate.c | 94 |
1 files changed, 5 insertions, 89 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index 789abe9..4ae73d1 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10863,97 +10863,13 @@ static void disas_thumb_insn(DisasContext *s, uint32_t insn) */ goto illegal_op; - case 5: - /* load/store register offset, in decodetree */ + case 5: /* load/store register offset, in decodetree */ + case 6: /* load/store word immediate offset, in decodetree */ + case 7: /* load/store byte immediate offset, in decodetree */ + case 8: /* load/store halfword immediate offset, in decodetree */ + case 9: /* load/store from stack, in decodetree */ goto illegal_op; - case 6: - /* load/store word immediate offset */ - rd = insn & 7; - rn = (insn >> 3) & 7; - addr = load_reg(s, rn); - val = (insn >> 4) & 0x7c; - tcg_gen_addi_i32(addr, addr, val); - - if (insn & (1 << 11)) { - /* load */ - tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); - store_reg(s, rd, tmp); - } else { - /* store */ - tmp = load_reg(s, rd); - gen_aa32_st32(s, tmp, addr, get_mem_index(s)); - tcg_temp_free_i32(tmp); - } - tcg_temp_free_i32(addr); - break; - - case 7: - /* load/store byte immediate offset */ - rd = insn & 7; - rn = (insn >> 3) & 7; - addr = load_reg(s, rn); - val = (insn >> 6) & 0x1f; - tcg_gen_addi_i32(addr, addr, val); - - if (insn & (1 << 11)) { - /* load */ - tmp = tcg_temp_new_i32(); - gen_aa32_ld8u_iss(s, tmp, addr, get_mem_index(s), rd | ISSIs16Bit); - store_reg(s, rd, tmp); - } else { - /* store */ - tmp = load_reg(s, rd); - gen_aa32_st8_iss(s, tmp, addr, get_mem_index(s), rd | ISSIs16Bit); - tcg_temp_free_i32(tmp); - } - tcg_temp_free_i32(addr); - break; - - case 8: - /* load/store halfword immediate offset */ - rd = insn & 7; - rn = (insn >> 3) & 7; - addr = load_reg(s, rn); - val = (insn >> 5) & 0x3e; - tcg_gen_addi_i32(addr, addr, val); - - if (insn & (1 << 11)) { - /* load */ - tmp = tcg_temp_new_i32(); - gen_aa32_ld16u_iss(s, tmp, addr, get_mem_index(s), rd | ISSIs16Bit); - store_reg(s, rd, tmp); - } else { - /* store */ - tmp = load_reg(s, rd); - gen_aa32_st16_iss(s, tmp, addr, get_mem_index(s), rd | ISSIs16Bit); - tcg_temp_free_i32(tmp); - } - tcg_temp_free_i32(addr); - break; - - case 9: - /* load/store from stack */ - rd = (insn >> 8) & 7; - addr = load_reg(s, 13); - val = (insn & 0xff) * 4; - tcg_gen_addi_i32(addr, addr, val); - - if (insn & (1 << 11)) { - /* load */ - tmp = tcg_temp_new_i32(); - gen_aa32_ld32u_iss(s, tmp, addr, get_mem_index(s), rd | ISSIs16Bit); - store_reg(s, rd, tmp); - } else { - /* store */ - tmp = load_reg(s, rd); - gen_aa32_st32_iss(s, tmp, addr, get_mem_index(s), rd | ISSIs16Bit); - tcg_temp_free_i32(tmp); - } - tcg_temp_free_i32(addr); - break; - case 10: /* * 0b1010_xxxx_xxxx_xxxx |