File 0059-i386-Introduce-SnowRidge-CPU-model.patch of Package qemu.13120
From: Paul Lai <paul.c.lai@intel.com>
Date: Wed, 3 Jul 2019 18:08:09 -0300
Subject: i386: Introduce SnowRidge CPU model
SnowRidge CPU supports Accelerator Infrastrcture Architecture (MOVDIRI,
MOVDIR64B), CLDEMOTE and SPLIT_LOCK_DISABLE.
MOVDIRI, MOVDIR64B, and CLDEMOTE are found via CPUID.
The availability of SPLIT_LOCK_DISABLE is check via msr access
References can be found in either:
https://software.intel.com/en-us/articles/intel-sdm
https://software.intel.com/en-us/download/intel-architecture-instruction-set-extensions-and-future-features-programming-reference
Signed-off-by: Paul Lai <paul.c.lai@intel.com>
Tested-by: Tao3 Xu <tao3.xu@intel.com>
Message-Id: <20190626162129.25345-1-paul.c.lai@intel.com>
[ehabkost: squashed SPLIT_LOCK_DETECT patch]
Message-Id: <20190626163232.25711-1-paul.c.lai@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
(cherry picked from commit 0b18874bd216f3237740d5cbd64f39cf1e02addf)
[BR: JIRA-SLE-4883]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
target/i386/cpu.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 71 insertions(+)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index bd70c14945..63b4f9fe63 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -2645,6 +2645,77 @@ static X86CPUDefinition builtin_x86_defs[] = {
.xlevel = 0x80000008,
.model_id = "Intel Xeon Processor (Icelake)",
},
+ {
+ .name = "SnowRidge-Server",
+ .level = 27,
+ .vendor = CPUID_VENDOR_INTEL,
+ .family = 6,
+ .model = 134,
+ .stepping = 1,
+ .features[FEAT_1_EDX] =
+ /* missing: CPUID_PN CPUID_IA64 */
+ /* missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
+ CPUID_FP87 | CPUID_VME | CPUID_DE | CPUID_PSE |
+ CPUID_TSC | CPUID_MSR | CPUID_PAE | CPUID_MCE |
+ CPUID_CX8 | CPUID_APIC | CPUID_SEP |
+ CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV |
+ CPUID_PAT | CPUID_PSE36 | CPUID_CLFLUSH |
+ CPUID_MMX |
+ CPUID_FXSR | CPUID_SSE | CPUID_SSE2,
+ .features[FEAT_1_ECX] =
+ CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_MONITOR |
+ CPUID_EXT_VMX |
+ CPUID_EXT_SSSE3 |
+ CPUID_EXT_CX16 |
+ CPUID_EXT_SSE41 |
+ CPUID_EXT_SSE42 | CPUID_EXT_X2APIC | CPUID_EXT_MOVBE |
+ CPUID_EXT_POPCNT |
+ CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_AES | CPUID_EXT_XSAVE |
+ CPUID_EXT_RDRAND,
+ .features[FEAT_8000_0001_EDX] =
+ CPUID_EXT2_SYSCALL |
+ CPUID_EXT2_NX |
+ CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP |
+ CPUID_EXT2_LM,
+ .features[FEAT_8000_0001_ECX] =
+ CPUID_EXT3_LAHF_LM |
+ CPUID_EXT3_3DNOWPREFETCH,
+ .features[FEAT_7_0_EBX] =
+ CPUID_7_0_EBX_FSGSBASE |
+ CPUID_7_0_EBX_SMEP |
+ CPUID_7_0_EBX_ERMS |
+ CPUID_7_0_EBX_MPX | /* missing bits 13, 15 */
+ CPUID_7_0_EBX_RDSEED |
+ CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLFLUSHOPT |
+ CPUID_7_0_EBX_CLWB |
+ CPUID_7_0_EBX_SHA_NI,
+ .features[FEAT_7_0_ECX] =
+ CPUID_7_0_ECX_UMIP |
+ /* missing bit 5 */
+ CPUID_7_0_ECX_GFNI |
+ CPUID_7_0_ECX_MOVDIRI | CPUID_7_0_ECX_CLDEMOTE |
+ CPUID_7_0_ECX_MOVDIR64B,
+ .features[FEAT_7_0_EDX] =
+ CPUID_7_0_EDX_SPEC_CTRL |
+ CPUID_7_0_EDX_ARCH_CAPABILITIES | CPUID_7_0_EDX_SPEC_CTRL_SSBD |
+ CPUID_7_0_EDX_CORE_CAPABILITY,
+ .features[FEAT_CORE_CAPABILITY] =
+ MSR_CORE_CAP_SPLIT_LOCK_DETECT,
+ /*
+ * Missing: XSAVES (not supported by some Linux versions,
+ * including v4.1 to v4.12).
+ * KVM doesn't yet expose any XSAVES state save component,
+ * and the only one defined in Skylake (processor tracing)
+ * probably will block migration anyway.
+ */
+ .features[FEAT_XSAVE] =
+ CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
+ CPUID_XSAVE_XGETBV1,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
+ .xlevel = 0x80000008,
+ .model_id = "Intel Atom Processor (SnowRidge)",
+ },
{
.name = "KnightsMill",
.level = 0xd,