From: Boqun Feng <boqun.feng@intel.com>
To: qemu-devel@nongnu.org
Cc: berrange@redhat.com, chao.p.peng@intel.com,
Boqun Feng <boqun.feng@intel.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Richard Henderson <rth@twiddle.net>,
Eduardo Habkost <ehabkost@redhat.com>
Subject: [Qemu-devel] [PATCH v2] i386: add KnightsMill cpu model
Date: Tue, 20 Mar 2018 08:08:15 +0800 [thread overview]
Message-ID: <20180320000821.8337-1-boqun.feng@intel.com> (raw)
A new cpu model called "KnightsMill" is added to model Knights Mill
processors. Compared to "Skylake-Server" cpu model, the following
features are added:
avx512_4vnniw avx512_4fmaps avx512pf avx512er avx512_vpopcntdq
and the following features are removed:
pcid invpcid clflushopt avx512dq avx512bw clwb smap rtm mpx
xsavec xgetbv1 hle
Signed-off-by: Boqun Feng <boqun.feng@intel.com>
---
v1 --> v2:
* Change the model name to "KnightsMill" as per Daniel's
suggestion.
target/i386/cpu.c | 42 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 2c04645ceac9..c484afdb7023 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1795,6 +1795,48 @@ static X86CPUDefinition builtin_x86_defs[] = {
.xlevel = 0x80000008,
.model_id = "Intel Xeon Processor (Skylake, IBRS)",
},
+ {
+ .name = "KnightsMill",
+ .level = 0xd,
+ .vendor = CPUID_VENDOR_INTEL,
+ .family = 6,
+ .model = 133,
+ .stepping = 0,
+ .features[FEAT_1_EDX] =
+ CPUID_VME | CPUID_SS | 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_F16C | CPUID_EXT_RDRAND,
+ .features[FEAT_8000_0001_EDX] =
+ CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | 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_AVX2 |
+ CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS |
+ CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_AVX512F |
+ CPUID_7_0_EBX_AVX512CD | CPUID_7_0_EBX_AVX512PF |
+ CPUID_7_0_EBX_AVX512ER,
+ .features[FEAT_7_0_ECX] =
+ CPUID_7_0_ECX_AVX512_VPOPCNTDQ,
+ .features[FEAT_7_0_EDX] =
+ CPUID_7_0_EDX_AVX512_4VNNIW | CPUID_7_0_EDX_AVX512_4FMAPS,
+ .features[FEAT_XSAVE] =
+ CPUID_XSAVE_XSAVEOPT,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
+ .xlevel = 0x80000008,
+ .model_id = "Intel Xeon Phi Processor (Knights Mill)",
+ },
{
.name = "Opteron_G1",
.level = 5,
--
2.16.1
next reply other threads:[~2018-03-20 0:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-20 0:08 Boqun Feng [this message]
2018-04-02 5:14 ` [Qemu-devel] [PATCH v2] i386: add KnightsMill cpu model Boqun Feng
2018-04-03 2:27 ` Eduardo Habkost
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