motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 15:53:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

* Some hw/isa cleanups

Browse source 
* Fixes for x86 CPUID
 * Cleanups for configure, hw/isa and x86
 -----BEGIN PGP SIGNATURE-----
 
 iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmXPW5sUHHBib256aW5p
 QHJlZGhhdC5jb20ACgkQv/vSX3jHroO1Mgf/USSqZxAyS1tyutpVslKmQjCyUiNW
 xEuHhAqoTz4Xg/8Q1J9aCcs2hdpBx2ULEQryUiTlH3LPLy3j9lGxMfg9Ma65mPVg
 KOSm/vfnw2VPXav8MJVNbm0gSI5fPmprRYgFi4TrkknmKnDo2TElrCG6Oe6LN/X+
 kiJD9K8PE+OE7xVhNDf7JAxUHt531oX7iM8p6JGGBYQdPOZ8rGf4K5PDrDxnHckG
 dbKHhqkbrSHaX/gu4q0ukgfIprs40ChYQ10vZ95mYyuWgIHOi51PciPmQ/qLPof0
 b/au08F0SpTE5cxx1Rk4cAuhP/PtzVln5lsSl9r9KzJ3Hcv6qnwXUU1nUg==
 =U+N2
 -----END PGP SIGNATURE-----

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Some hw/isa cleanups
* Fixes for x86 CPUID
* Cleanups for configure, hw/isa and x86

# -----BEGIN PGP SIGNATURE-----
#
# iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmXPW5sUHHBib256aW5p
# QHJlZGhhdC5jb20ACgkQv/vSX3jHroO1Mgf/USSqZxAyS1tyutpVslKmQjCyUiNW
# xEuHhAqoTz4Xg/8Q1J9aCcs2hdpBx2ULEQryUiTlH3LPLy3j9lGxMfg9Ma65mPVg
# KOSm/vfnw2VPXav8MJVNbm0gSI5fPmprRYgFi4TrkknmKnDo2TElrCG6Oe6LN/X+
# kiJD9K8PE+OE7xVhNDf7JAxUHt531oX7iM8p6JGGBYQdPOZ8rGf4K5PDrDxnHckG
# dbKHhqkbrSHaX/gu4q0ukgfIprs40ChYQ10vZ95mYyuWgIHOi51PciPmQ/qLPof0
# b/au08F0SpTE5cxx1Rk4cAuhP/PtzVln5lsSl9r9KzJ3Hcv6qnwXUU1nUg==
# =U+N2
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 16 Feb 2024 12:56:59 GMT
# 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]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  ci: Fix again build-previous-qemu
  usb: inline device creation functions
  target/i386: Generate an illegal opcode exception on cmp instructions with lock prefix
  i386: xen: fix compilation --without-default-devices
  configure: put all symlink creation together
  configure: do not create legacy symlinks
  smc37c669: remove useless is_enabled functions
  isa-superio: validate floppy.count value
  mips: remove unnecessary "select PTIMER"
  i386/cpuid: Move leaf 7 to correct group
  i386/cpuid: Remove subleaf constraint on CPUID leaf 1F
  i386/cpuid: Decrease cpuid_i when skipping CPUID leaf 1F
  physmem: replace function name with __func__ in ram_block_discard_range()
  i386/pc: Drop pc_machine_kvm_type()
  target/i386: Add support of KVM_FEATURE_ASYNC_PF_VMEXIT for guest
  i386/cpu: Mask with XCR0/XSS mask for FEAT_XSAVE_XCR0_HI and FEAT_XSAVE_XSS_HI leafs
  i386/cpu: Clear FEAT_XSAVE_XSS_LO/HI leafs when CPUID_EXT_XSAVE is not available

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2024-02-20 10:11:08 +00:00
commit 760b4dcddd
13 changed files with 64 additions and 103 deletions
Download patch file Download diff file Expand all files Collapse all files

8
target/i386/cpu.c
View file

@ -857,7 +857,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
.feat_names = {
"kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock",
"kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt",
NULL, "kvm-pv-tlb-flush", NULL, "kvm-pv-ipi",
NULL, "kvm-pv-tlb-flush", "kvm-asyncpf-vmexit", "kvm-pv-ipi",
"kvm-poll-control", "kvm-pv-sched-yield", "kvm-asyncpf-int", "kvm-msi-ext-dest-id",
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
@ -6927,6 +6927,8 @@ static void x86_cpu_enable_xsave_components(X86CPU *cpu)
if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) {
env->features[FEAT_XSAVE_XCR0_LO] = 0;
env->features[FEAT_XSAVE_XCR0_HI] = 0;
env->features[FEAT_XSAVE_XSS_LO] = 0;
env->features[FEAT_XSAVE_XSS_HI] = 0;
return;
}
@ -6945,9 +6947,9 @@ static void x86_cpu_enable_xsave_components(X86CPU *cpu)
}
env->features[FEAT_XSAVE_XCR0_LO] = mask & CPUID_XSTATE_XCR0_MASK;
env->features[FEAT_XSAVE_XCR0_HI] = mask >> 32;
env->features[FEAT_XSAVE_XCR0_HI] = (mask & CPUID_XSTATE_XCR0_MASK) >> 32;
env->features[FEAT_XSAVE_XSS_LO] = mask & CPUID_XSTATE_XSS_MASK;
env->features[FEAT_XSAVE_XSS_HI] = mask >> 32;
env->features[FEAT_XSAVE_XSS_HI] = (mask & CPUID_XSTATE_XSS_MASK) >> 32;
}
/***** Steps involved on loading and filtering CPUID data

7
target/i386/kvm/kvm.c
View file

@ -1914,6 +1914,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
}
case 0x1f:
if (env->nr_dies < 2) {
cpuid_i--;
break;
}
/* fallthrough */
@ -1925,10 +1926,6 @@ int kvm_arch_init_vcpu(CPUState *cs)
break;
}
if (i == 0x1f && j == 64) {
break;
}
c->function = i;
c->flags = KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
c->index = j;
@ -1954,7 +1951,6 @@ int kvm_arch_init_vcpu(CPUState *cs)
c = &cpuid_data.entries[cpuid_i++];
}
break;
case 0x7:
case 0x12:
for (j = 0; ; j++) {
c->function = i;
@ -1974,6 +1970,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
c = &cpuid_data.entries[cpuid_i++];
}
break;
case 0x7:
case 0x14:
case 0x1d:
case 0x1e: {

11
target/i386/tcg/translate.c
View file

@ -1507,12 +1507,13 @@ static bool check_iopl(DisasContext *s)
/* if d == OR_TMP0, it means memory operand (address in A0) */
static void gen_op(DisasContext *s1, int op, MemOp ot, int d)
{
/* Invalid lock prefix when destination is not memory or OP_CMPL. */
if ((d != OR_TMP0 || op == OP_CMPL) && s1->prefix & PREFIX_LOCK) {
gen_illegal_opcode(s1);
return;
}
if (d != OR_TMP0) {
if (s1->prefix & PREFIX_LOCK) {
/* Lock prefix when destination is not memory. */
gen_illegal_opcode(s1);
return;
}
gen_op_mov_v_reg(s1, ot, s1->T0, d);
} else if (!(s1->prefix & PREFIX_LOCK)) {
gen_op_ld_v(s1, ot, s1->T0, s1->A0);