From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [PULL 22/30] i386: Add CPUID bit for CLZERO and XSAVEERPTR
Date: Wed, 2 Oct 2019 18:51:45 +0200 [thread overview]
Message-ID: <1570035113-56848-23-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1570035113-56848-1-git-send-email-pbonzini@redhat.com>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
The CPUID bits CLZERO and XSAVEERPTR are availble on AMD's ZEN platform
and could be passed to the guest.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/cpu.c | 2 +-
target/i386/cpu.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 5b771f1..313a2ef 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1130,7 +1130,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
[FEAT_8000_0008_EBX] = {
.type = CPUID_FEATURE_WORD,
.feat_names = {
- NULL, NULL, NULL, NULL,
+ "clzero", NULL, "xsaveerptr", NULL,
NULL, NULL, NULL, NULL,
NULL, "wbnoinvd", NULL, NULL,
"ibpb", NULL, NULL, NULL,
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index c62e3b6..033991c 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -723,6 +723,8 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS];
#define CPUID_7_1_EAX_AVX512_BF16 (1U << 5) /* AVX512 BFloat16 Instruction */
+#define CPUID_8000_0008_EBX_CLZERO (1U << 0) /* CLZERO instruction */
+#define CPUID_8000_0008_EBX_XSAVEERPTR (1U << 2) /* Always save/restore FP error pointers */
#define CPUID_8000_0008_EBX_WBNOINVD (1U << 9) /* Write back and
do not invalidate cache */
#define CPUID_8000_0008_EBX_IBPB (1U << 12) /* Indirect Branch Prediction Barrier */
--
1.8.3.1
next prev parent reply other threads:[~2019-10-02 17:07 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-02 16:51 [PULL 00/30] Misc patches for 2010-10-02 Paolo Bonzini
2019-10-02 16:51 ` [PULL 01/30] tests/migration: Add a test for auto converge Paolo Bonzini
2019-10-02 16:51 ` [PULL 02/30] target/i386: handle filtered_features in a new function mark_unavailable_features Paolo Bonzini
2019-10-02 16:51 ` [PULL 03/30] target/i386: introduce generic feature dependency mechanism Paolo Bonzini
2019-10-02 16:51 ` [PULL 04/30] target/i386: expand feature words to 64 bits Paolo Bonzini
2019-10-02 16:51 ` [PULL 05/30] target/i386: add VMX definitions Paolo Bonzini
2019-10-02 16:51 ` [PULL 06/30] vmxcap: correct the name of the variables Paolo Bonzini
2019-10-02 16:51 ` [PULL 07/30] target/i386: add VMX features Paolo Bonzini
2019-10-02 16:51 ` [PULL 08/30] target/i386: work around KVM_GET_MSRS bug for secondary execution controls Paolo Bonzini
2019-10-02 16:51 ` [PULL 09/30] target/i386/kvm: Silence warning from Valgrind about uninitialized bytes Paolo Bonzini
2019-10-02 16:51 ` [PULL 10/30] qemu-pr-helper: fix crash in mpath_reconstruct_sense Paolo Bonzini
2019-10-02 16:51 ` [PULL 11/30] replay: don't synchronize memory operations in replay mode Paolo Bonzini
2019-10-02 16:51 ` [PULL 12/30] Makefile: Remove generated files when doing 'distclean' Paolo Bonzini
2019-10-04 12:20 ` Peter Maydell
2019-10-04 16:48 ` Paolo Bonzini
2019-10-07 6:28 ` Thomas Huth
2019-10-07 7:13 ` Aleksandar Markovic
2019-10-02 16:51 ` [PULL 13/30] hw/isa: Introduce a CONFIG_ISA_SUPERIO switch for isa-superio.c Paolo Bonzini
2019-10-02 16:51 ` [PULL 14/30] ide: fix leak from qemu_allocate_irqs Paolo Bonzini
2019-10-02 16:51 ` [PULL 15/30] microblaze: fix leak of fdevice tree blob Paolo Bonzini
2019-10-02 16:51 ` [PULL 16/30] mcf5208: fix leak from qemu_allocate_irqs Paolo Bonzini
2019-10-02 16:51 ` [PULL 17/30] hppa: fix leak from g_strdup_printf Paolo Bonzini
2019-10-02 16:51 ` [PULL 18/30] mips: fix memory leaks in board initialization Paolo Bonzini
2019-10-02 16:51 ` [PULL 19/30] cris: do not leak struct cris_disasm_data Paolo Bonzini
2019-10-02 16:51 ` [PULL 20/30] lm32: do not leak memory on object_new/object_unref Paolo Bonzini
2019-10-02 16:51 ` [PULL 21/30] docker: test-debug: disable LeakSanitizer Paolo Bonzini
2019-10-02 16:51 ` Paolo Bonzini [this message]
2019-10-02 16:51 ` [PULL 23/30] vfio: Turn the container error into an Error handle Paolo Bonzini
2019-10-02 16:51 ` [PULL 24/30] memory: allow memory_region_register_iommu_notifier() to fail Paolo Bonzini
2019-10-02 16:51 ` [PULL 25/30] Fix wrong behavior of cpu_memory_rw_debug() function in SMM Paolo Bonzini
2019-10-07 8:29 ` Laszlo Ersek
2019-10-02 16:51 ` [PULL 26/30] util: WSAEWOULDBLOCK on connect should map to EINPROGRESS Paolo Bonzini
2019-10-02 16:51 ` [PULL 27/30] tests: skip serial test on windows Paolo Bonzini
2019-10-02 16:51 ` [PULL 28/30] win32: work around main-loop busy loop on socket/fd event Paolo Bonzini
2019-10-02 16:51 ` [PULL 29/30] tests/docker: only enable ubsan for test-clang Paolo Bonzini
2019-10-02 16:51 ` [PULL 30/30] accel/kvm: ensure ret always set Paolo Bonzini
2019-10-02 18:29 ` [PULL 00/30] Misc patches for 2010-10-02 no-reply
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