diff options
| -rw-r--r-- | target/i386/hvf/x86_decode.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/target/i386/hvf/x86_decode.c b/target/i386/hvf/x86_decode.c index a4a28f113f..d6d5894e54 100644 --- a/target/i386/hvf/x86_decode.c +++ b/target/i386/hvf/x86_decode.c @@ -1893,6 +1893,16 @@ static void decode_prefix(CPUX86State *env, struct x86_decode *decode) } } +static struct x86_segment_descriptor get_cs_descriptor(CPUState *s) +{ + struct vmx_segment vmx_cs; + x86_segment_descriptor cs; + vmx_read_segment_descriptor(s, &vmx_cs, R_CS); + vmx_segment_to_x86_descriptor(s, &vmx_cs, &cs); + + return cs; +} + void set_addressing_size(CPUX86State *env, struct x86_decode *decode) { decode->addressing_size = -1; @@ -1904,10 +1914,9 @@ void set_addressing_size(CPUX86State *env, struct x86_decode *decode) } } else if (!x86_is_long_mode(env_cpu(env))) { /* protected */ - struct vmx_segment cs; - vmx_read_segment_descriptor(env_cpu(env), &cs, R_CS); + x86_segment_descriptor cs = get_cs_descriptor(env_cpu(env)); /* check db */ - if ((cs.ar >> 14) & 1) { + if (cs.db) { if (decode->addr_size_override) { decode->addressing_size = 2; } else { @@ -1941,10 +1950,9 @@ void set_operand_size(CPUX86State *env, struct x86_decode *decode) } } else if (!x86_is_long_mode(env_cpu(env))) { /* protected */ - struct vmx_segment cs; - vmx_read_segment_descriptor(env_cpu(env), &cs, R_CS); + x86_segment_descriptor cs = get_cs_descriptor(env_cpu(env)); /* check db */ - if ((cs.ar >> 14) & 1) { + if (cs.db) { if (decode->op_size_override) { decode->operand_size = 2; } else{ |