diff options
Diffstat (limited to 'target-arm/translate.c')
| -rw-r--r-- | target-arm/translate.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index 36868ed05f..9116529306 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -736,10 +736,10 @@ static void gen_thumb2_parallel_addsub(int op1, int op2, TCGv_i32 a, TCGv_i32 b) * generate a conditional branch based on ARM condition code cc. * This is common between ARM and Aarch64 targets. */ -void arm_gen_test_cc(int cc, int label) +void arm_gen_test_cc(int cc, TCGLabel *label) { TCGv_i32 tmp; - int inv; + TCGLabel *inv; switch (cc) { case 0: /* eq: Z */ @@ -7440,8 +7440,8 @@ static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, { TCGv_i32 tmp; TCGv_i64 val64, extaddr; - int done_label; - int fail_label; + TCGLabel *done_label; + TCGLabel *fail_label; /* if (env->exclusive_addr == addr && env->exclusive_val == [addr]) { [addr] = {Rt}; @@ -8859,17 +8859,23 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) case 0x08: case 0x09: { - int j, n, user, loaded_base; + int j, n, loaded_base; + bool exc_return = false; + bool is_load = extract32(insn, 20, 1); + bool user = false; TCGv_i32 loaded_var; /* load/store multiple words */ /* XXX: store correct base if write back */ - user = 0; if (insn & (1 << 22)) { + /* LDM (user), LDM (exception return) and STM (user) */ if (IS_USER(s)) goto illegal_op; /* only usable in supervisor mode */ - if ((insn & (1 << 15)) == 0) - user = 1; + if (is_load && extract32(insn, 15, 1)) { + exc_return = true; + } else { + user = true; + } } rn = (insn >> 16) & 0xf; addr = load_reg(s, rn); @@ -8903,7 +8909,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) j = 0; for(i=0;i<16;i++) { if (insn & (1 << i)) { - if (insn & (1 << 20)) { + if (is_load) { /* load */ tmp = tcg_temp_new_i32(); gen_aa32_ld32u(tmp, addr, get_mem_index(s)); @@ -8968,7 +8974,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) if (loaded_base) { store_reg(s, rn, loaded_var); } - if ((insn & (1 << 22)) && !user) { + if (exc_return) { /* Restore CPSR from SPSR. */ tmp = load_cpu_field(spsr); gen_set_cpsr(tmp, CPSR_ERET_MASK); |