diff options
| author | Richard Henderson <rth@twiddle.net> | 2015-07-02 15:21:23 +0100 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-02-13 07:59:59 +1100 |
| commit | c9cfe8f9fb21f086e24b3a8f7ccd9c06e4d8d9d6 (patch) | |
| tree | 802459173e6c82c15335ed7626b1c1b6c4682046 /target-i386/translate.c | |
| parent | 19dc85dba23c0db1ca932c62e453c37e00761628 (diff) | |
target-i386: Implement XSAVEOPT
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-i386/translate.c')
| -rw-r--r-- | target-i386/translate.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index 7571e850d5..ce2ffc1bca 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -127,6 +127,7 @@ typedef struct DisasContext { int cpuid_ext2_features; int cpuid_ext3_features; int cpuid_7_0_ebx_features; + int cpuid_xsave_features; } DisasContext; static void gen_eob(DisasContext *s); @@ -7634,7 +7635,7 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s, gen_helper_xrstor(cpu_env, cpu_A0, cpu_tmp1_i64); break; - CASE_MEM_OP(6): /* clwb */ + CASE_MEM_OP(6): /* xsaveopt / clwb */ if (prefixes & PREFIX_LOCK) { goto illegal_op; } @@ -7644,9 +7645,19 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s, goto illegal_op; } gen_nop_modrm(env, s, modrm); - break; + } else { + /* xsaveopt */ + if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0 + || (s->cpuid_xsave_features & CPUID_XSAVE_XSAVEOPT) == 0 + || (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))) { + goto illegal_op; + } + gen_lea_modrm(env, s, modrm); + tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX], + cpu_regs[R_EDX]); + gen_helper_xsaveopt(cpu_env, cpu_A0, cpu_tmp1_i64); } - goto illegal_op; + break; CASE_MEM_OP(7): /* clflush / clflushopt */ if (prefixes & PREFIX_LOCK) { @@ -7868,6 +7879,7 @@ void gen_intermediate_code(CPUX86State *env, TranslationBlock *tb) dc->cpuid_ext2_features = env->features[FEAT_8000_0001_EDX]; dc->cpuid_ext3_features = env->features[FEAT_8000_0001_ECX]; dc->cpuid_7_0_ebx_features = env->features[FEAT_7_0_EBX]; + dc->cpuid_xsave_features = env->features[FEAT_XSAVE]; #ifdef TARGET_X86_64 dc->lma = (flags >> HF_LMA_SHIFT) & 1; dc->code64 = (flags >> HF_CS64_SHIFT) & 1; |