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* target/i386: SEV: fix incorrect property name

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* target/i386: tcg: fix VSIB decode with XMM/YMM{4,12}
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* target/i386: SEV: fix incorrect property name
* target/i386: tcg: fix VSIB decode with XMM/YMM{4,12}

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# gpg: Signature made Mon 05 Aug 2024 10:14:50 PM AEST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  target/i386: Fix VSIB decode
  target/i386: SEV: fix mismatch in vcek-disabled property name

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-08-06 08:02:34 +10:00
commit e7207a9971
3 changed files with 13 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/i386/sev.c
View File

@ -2422,7 +2422,7 @@ sev_snp_guest_class_init(ObjectClass *oc, void *data)
object_class_property_add_bool(oc, "author-key-enabled",
sev_snp_guest_get_author_key_enabled,
sev_snp_guest_set_author_key_enabled);
object_class_property_add_bool(oc, "vcek-required",
object_class_property_add_bool(oc, "vcek-disabled",
sev_snp_guest_get_vcek_disabled,
sev_snp_guest_set_vcek_disabled);
object_class_property_add_str(oc, "host-data",

3
target/i386/tcg/decode-new.c.inc
View File

@ -1811,7 +1811,8 @@ static int decode_modrm(DisasContext *s, CPUX86State *env, X86DecodedInsn *decod
} else {
op->has_ea = true;
op->n = -1;
decode->mem = gen_lea_modrm_0(env, s, get_modrm(s, env));
decode->mem = gen_lea_modrm_0(env, s, modrm,
decode->e.vex_class == 12);
}
return modrm;
}

20
target/i386/tcg/translate.c
View File

@ -1523,7 +1523,7 @@ typedef struct AddressParts {
} AddressParts;
static AddressParts gen_lea_modrm_0(CPUX86State *env, DisasContext *s,
int modrm)
int modrm, bool is_vsib)
{
int def_seg, base, index, scale, mod, rm;
target_long disp;
@ -1552,7 +1552,7 @@ static AddressParts gen_lea_modrm_0(CPUX86State *env, DisasContext *s,
int code = x86_ldub_code(env, s);
scale = (code >> 6) & 3;
index = ((code >> 3) & 7) | REX_X(s);
if (index == 4) {
if (index == 4 && !is_vsib) {
index = -1; /* no index */
}
base = (code & 7) | REX_B(s);
@ -1682,21 +1682,21 @@ static TCGv gen_lea_modrm_1(DisasContext *s, AddressParts a, bool is_vsib)
static void gen_lea_modrm(CPUX86State *env, DisasContext *s, int modrm)
{
AddressParts a = gen_lea_modrm_0(env, s, modrm);
AddressParts a = gen_lea_modrm_0(env, s, modrm, false);
TCGv ea = gen_lea_modrm_1(s, a, false);
gen_lea_v_seg(s, ea, a.def_seg, s->override);
}
static void gen_nop_modrm(CPUX86State *env, DisasContext *s, int modrm)
{
(void)gen_lea_modrm_0(env, s, modrm);
(void)gen_lea_modrm_0(env, s, modrm, false);
}
/* Used for BNDCL, BNDCU, BNDCN. */
static void gen_bndck(CPUX86State *env, DisasContext *s, int modrm,
TCGCond cond, TCGv_i64 bndv)
{
AddressParts a = gen_lea_modrm_0(env, s, modrm);
AddressParts a = gen_lea_modrm_0(env, s, modrm, false);
TCGv ea = gen_lea_modrm_1(s, a, false);
tcg_gen_extu_tl_i64(s->tmp1_i64, ea);
@ -2417,7 +2417,7 @@ static bool disas_insn_x87(DisasContext *s, CPUState *cpu, int b)
op = ((b & 7) << 3) | ((modrm >> 3) & 7);
if (mod != 3) {
/* memory op */
AddressParts a = gen_lea_modrm_0(env, s, modrm);
AddressParts a = gen_lea_modrm_0(env, s, modrm, false);
TCGv ea = gen_lea_modrm_1(s, a, false);
TCGv last_addr = tcg_temp_new();
bool update_fdp = true;
@ -3078,7 +3078,7 @@ static void disas_insn_old(DisasContext *s, CPUState *cpu, int b)
rm = (modrm & 7) | REX_B(s);
gen_op_mov_v_reg(s, MO_32, s->T1, reg);
if (mod != 3) {
AddressParts a = gen_lea_modrm_0(env, s, modrm);
AddressParts a = gen_lea_modrm_0(env, s, modrm, false);
/* specific case: we need to add a displacement */
gen_exts(ot, s->T1);
tcg_gen_sari_tl(s->tmp0, s->T1, 3 + ot);
@ -3635,7 +3635,7 @@ static void disas_insn_old(DisasContext *s, CPUState *cpu, int b)
}
} else if (mod != 3) {
/* bndldx */
AddressParts a = gen_lea_modrm_0(env, s, modrm);
AddressParts a = gen_lea_modrm_0(env, s, modrm, false);
if (reg >= 4
|| (prefixes & PREFIX_LOCK)
|| s->aflag == MO_16
@ -3679,7 +3679,7 @@ static void disas_insn_old(DisasContext *s, CPUState *cpu, int b)
|| s->aflag == MO_16) {
goto illegal_op;
}
AddressParts a = gen_lea_modrm_0(env, s, modrm);
AddressParts a = gen_lea_modrm_0(env, s, modrm, false);
if (a.base >= 0) {
tcg_gen_extu_tl_i64(cpu_bndl[reg], cpu_regs[a.base]);
if (!CODE64(s)) {
@ -3740,7 +3740,7 @@ static void disas_insn_old(DisasContext *s, CPUState *cpu, int b)
}
} else if (mod != 3) {
/* bndstx */
AddressParts a = gen_lea_modrm_0(env, s, modrm);
AddressParts a = gen_lea_modrm_0(env, s, modrm, false);
if (reg >= 4
|| (prefixes & PREFIX_LOCK)
|| s->aflag == MO_16