diff mbox

[QEMU,v2] target-i386: Add Skylake-Client CPU model

Message ID 20160520213930.GA24914@thinpad.lan.raisama.net (mailing list archive)
State New, archived
Headers show

Commit Message

Eduardo Habkost May 20, 2016, 9:39 p.m. UTC
Introduce Skylake-Client CPU model, which inherits the features
from Broadwell and supports some additional features that are:
MPX, XSAVEC, and XGETBV1.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
Changes v1 -> v2:
* Remove XSAVES, edited commit message
---
 target-i386/cpu.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

Comments

Paolo Bonzini May 23, 2016, 1:46 p.m. UTC | #1
On 20/05/2016 23:39, Eduardo Habkost wrote:
> Introduce Skylake-Client CPU model, which inherits the features
> from Broadwell and supports some additional features that are:
> MPX, XSAVEC, and XGETBV1.
> 
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> ---
> Changes v1 -> v2:
> * Remove XSAVES, edited commit message
> ---
>  target-i386/cpu.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 45 insertions(+)
> 
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index 895a386..9c5aabc 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -1239,6 +1239,51 @@ static X86CPUDefinition builtin_x86_defs[] = {
>          .model_id = "Intel Core Processor (Broadwell)",
>      },
>      {
> +        .name = "Skylake-Client",
> +        .level = 0xd,
> +        .vendor = CPUID_VENDOR_INTEL,
> +        .family = 6,
> +        .model = 94,
> +        .stepping = 3,
> +        .features[FEAT_1_EDX] =
> +            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
> +            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
> +            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
> +            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
> +            CPUID_DE | CPUID_FP87,
> +        .features[FEAT_1_ECX] =
> +            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
> +            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
> +            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
> +            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
> +            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
> +            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
> +        .features[FEAT_8000_0001_EDX] =
> +            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
> +            CPUID_EXT2_SYSCALL,
> +        .features[FEAT_8000_0001_ECX] =
> +            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
> +        .features[FEAT_7_0_EBX] =
> +            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
> +            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
> +            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
> +            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
> +            CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX,
> +        /* Missing: XSAVES (not supported by some Linux versions,
> +         * including v4.1 to v4.6).
> +         * 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 Core Processor (Skylake)",
> +    },
> +    {
>          .name = "Opteron_G1",
>          .level = 5,
>          .vendor = CPUID_VENDOR_AMD,
> 

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
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Xiao Guangrong June 3, 2016, 3:50 a.m. UTC | #2
On 05/23/2016 09:46 PM, Paolo Bonzini wrote:
>
>
> On 20/05/2016 23:39, Eduardo Habkost wrote:
>> Introduce Skylake-Client CPU model, which inherits the features
>> from Broadwell and supports some additional features that are:
>> MPX, XSAVEC, and XGETBV1.
>>
>> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
>> Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
>> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
>> ---
>> Changes v1 -> v2:
>> * Remove XSAVES, edited commit message

Reviewed-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>

I thought this patch has already been upstream yet, but it is not. :(
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Eduardo Habkost June 3, 2016, 5:27 p.m. UTC | #3
On Fri, Jun 03, 2016 at 11:50:14AM +0800, Xiao Guangrong wrote:
> 
> 
> On 05/23/2016 09:46 PM, Paolo Bonzini wrote:
> > 
> > 
> > On 20/05/2016 23:39, Eduardo Habkost wrote:
> > > Introduce Skylake-Client CPU model, which inherits the features
> > > from Broadwell and supports some additional features that are:
> > > MPX, XSAVEC, and XGETBV1.
> > > 
> > > Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> > > Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
> > > Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> > > ---
> > > Changes v1 -> v2:
> > > * Remove XSAVES, edited commit message
> 
> Reviewed-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>

Thanks!

> 
> I thought this patch has already been upstream yet, but it is not. :(

It's on my x86-next queue, already. It will be on my next pull
request.
diff mbox

Patch

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 895a386..9c5aabc 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1239,6 +1239,51 @@  static X86CPUDefinition builtin_x86_defs[] = {
         .model_id = "Intel Core Processor (Broadwell)",
     },
     {
+        .name = "Skylake-Client",
+        .level = 0xd,
+        .vendor = CPUID_VENDOR_INTEL,
+        .family = 6,
+        .model = 94,
+        .stepping = 3,
+        .features[FEAT_1_EDX] =
+            CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
+            CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
+            CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
+            CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
+            CPUID_DE | CPUID_FP87,
+        .features[FEAT_1_ECX] =
+            CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
+            CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
+            CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
+            CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
+            CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
+            CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
+        .features[FEAT_8000_0001_EDX] =
+            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
+            CPUID_EXT2_SYSCALL,
+        .features[FEAT_8000_0001_ECX] =
+            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
+        .features[FEAT_7_0_EBX] =
+            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
+            CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
+            CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
+            CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
+            CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX,
+        /* Missing: XSAVES (not supported by some Linux versions,
+         * including v4.1 to v4.6).
+         * 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 Core Processor (Skylake)",
+    },
+    {
         .name = "Opteron_G1",
         .level = 5,
         .vendor = CPUID_VENDOR_AMD,