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| author | Richard Henderson | 2015-07-07 15:08:41 +0200 |
|---|---|---|
| committer | Richard Henderson | 2016-02-15 04:50:00 +0100 |
| commit | bdd87b3b591add6e4d7c6b6125fcf0d706cc8bc4 (patch) | |
| tree | 29f4c03efeefcce61ab74ba76e983b9c08c49844 /target-i386/translate.c | |
| parent | target-i386: Update BNDSTATUS for exceptions raised by BOUND (diff) | |
| download | qemu-bdd87b3b591add6e4d7c6b6125fcf0d706cc8bc4.tar.gz qemu-bdd87b3b591add6e4d7c6b6125fcf0d706cc8bc4.tar.xz qemu-bdd87b3b591add6e4d7c6b6125fcf0d706cc8bc4.zip | |
target-i386: Implement BNDLDX, BNDSTX
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-i386/translate.c')
| -rw-r--r-- | target-i386/translate.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index 803424c8bb..013c4592aa 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -7511,6 +7511,36 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s, /* bnd registers are now in-use */ gen_set_hflag(s, HF_MPX_IU_MASK); } + } else if (mod != 3) { + /* bndldx */ + AddressParts a = gen_lea_modrm_0(env, s, modrm); + if (reg >= 4 + || (prefixes & PREFIX_LOCK) + || s->aflag == MO_16 + || a.base < -1) { + goto illegal_op; + } + if (a.base >= 0) { + tcg_gen_addi_tl(cpu_A0, cpu_regs[a.base], a.disp); + } else { + tcg_gen_movi_tl(cpu_A0, 0); + } + gen_lea_v_seg(s, s->aflag, cpu_A0, a.def_seg, s->override); + if (a.index >= 0) { + tcg_gen_mov_tl(cpu_T0, cpu_regs[a.index]); + } else { + tcg_gen_movi_tl(cpu_T0, 0); + } + if (CODE64(s)) { + gen_helper_bndldx64(cpu_bndl[reg], cpu_env, cpu_A0, cpu_T0); + tcg_gen_ld_i64(cpu_bndu[reg], cpu_env, + offsetof(CPUX86State, mmx_t0.MMX_Q(0))); + } else { + gen_helper_bndldx32(cpu_bndu[reg], cpu_env, cpu_A0, cpu_T0); + tcg_gen_ext32u_i64(cpu_bndl[reg], cpu_bndu[reg]); + tcg_gen_shri_i64(cpu_bndu[reg], cpu_bndu[reg], 32); + } + gen_set_hflag(s, HF_MPX_IU_MASK); } } gen_nop_modrm(env, s, modrm); @@ -7586,6 +7616,33 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s, s->mem_index, MO_LEUL); } } + } else if (mod != 3) { + /* bndstx */ + AddressParts a = gen_lea_modrm_0(env, s, modrm); + if (reg >= 4 + || (prefixes & PREFIX_LOCK) + || s->aflag == MO_16 + || a.base < -1) { + goto illegal_op; + } + if (a.base >= 0) { + tcg_gen_addi_tl(cpu_A0, cpu_regs[a.base], a.disp); + } else { + tcg_gen_movi_tl(cpu_A0, 0); + } + gen_lea_v_seg(s, s->aflag, cpu_A0, a.def_seg, s->override); + if (a.index >= 0) { + tcg_gen_mov_tl(cpu_T0, cpu_regs[a.index]); + } else { + tcg_gen_movi_tl(cpu_T0, 0); + } + if (CODE64(s)) { + gen_helper_bndstx64(cpu_env, cpu_A0, cpu_T0, + cpu_bndl[reg], cpu_bndu[reg]); + } else { + gen_helper_bndstx32(cpu_env, cpu_A0, cpu_T0, + cpu_bndl[reg], cpu_bndu[reg]); + } } } gen_nop_modrm(env, s, modrm); |