diff options
| author | Richard Henderson <rth@twiddle.net> | 2015-07-02 14:53:40 +0100 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-02-13 07:59:59 +1100 |
| commit | 19dc85dba23c0db1ca932c62e453c37e00761628 (patch) | |
| tree | 9ac16b50d5d1b11c9533c6a85e336c1274d1ba38 /target-i386/translate.c | |
| parent | 121f3157887f92268a3d6169e2d4601f9292020b (diff) | |
target-i386: Add XSAVE extension
This includes XSAVE, XRSTOR, XGETBV, XSETBV, which are all related,
as well as the associate cpuid bits.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-i386/translate.c')
| -rw-r--r-- | target-i386/translate.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index 647757843f..7571e850d5 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -7079,6 +7079,36 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s, gen_op_st_v(s, CODE64(s) + MO_32, cpu_T0, cpu_A0); break; + case 0xd0: /* xgetbv */ + if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0 + || (s->prefix & (PREFIX_LOCK | PREFIX_DATA + | PREFIX_REPZ | PREFIX_REPNZ))) { + goto illegal_op; + } + tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]); + gen_helper_xgetbv(cpu_tmp1_i64, cpu_env, cpu_tmp2_i32); + tcg_gen_extr_i64_tl(cpu_regs[R_EAX], cpu_regs[R_EDX], cpu_tmp1_i64); + break; + + case 0xd1: /* xsetbv */ + if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0 + || (s->prefix & (PREFIX_LOCK | PREFIX_DATA + | PREFIX_REPZ | PREFIX_REPNZ))) { + goto illegal_op; + } + if (s->cpl != 0) { + gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + break; + } + tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX], + cpu_regs[R_EDX]); + tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]); + gen_helper_xsetbv(cpu_env, cpu_tmp2_i32, cpu_tmp1_i64); + /* End TB because translation flags may change. */ + gen_jmp_im(s->pc - pc_start); + gen_eob(s); + break; + case 0xd8: /* VMRUN */ if (!(s->flags & HF_SVME_MASK) || !s->pe) { goto illegal_op; @@ -7580,6 +7610,30 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s, gen_op_st_v(s, MO_32, cpu_T0, cpu_A0); break; + CASE_MEM_OP(4): /* xsave */ + if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0 + || (prefixes & (PREFIX_LOCK | PREFIX_DATA + | 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_xsave(cpu_env, cpu_A0, cpu_tmp1_i64); + break; + + CASE_MEM_OP(5): /* xrstor */ + if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0 + || (prefixes & (PREFIX_LOCK | PREFIX_DATA + | 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_xrstor(cpu_env, cpu_A0, cpu_tmp1_i64); + break; + CASE_MEM_OP(6): /* clwb */ if (prefixes & PREFIX_LOCK) { goto illegal_op; |