diff mbox series

[1/4] target/i386: Add support for Zhaoxin/VIA CPU vendor identification

Message ID 20240625091905.1325205-2-ewanhai-oc@zhaoxin.com (mailing list archive)
State New
Headers show
Series Add support for Zhaoxin Yongfeng CPU model and other improvements | expand

Commit Message

Ewan Hai June 25, 2024, 9:19 a.m. UTC 
This patch adds CPUID vendor strings and macros to identify Zhaoxin/VIA CPUs.

Changes:
- Added Zhaoxin/VIA CPUID vendor strings.
- Defined CPUID_VENDOR_ZHAOXIN.
- Added IS_ZHAOXIN_CPU/IS_VIA_CPU macro.

Signed-off-by: EwanHai <ewanhai-oc@zhaoxin.com>
---
 target/i386/cpu.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff mbox series

Patch

diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index c64ef0c1a2..3653736525 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1001,16 +1001,33 @@  uint64_t x86_cpu_get_supported_feature_word(FeatureWord w,
 #define CPUID_VENDOR_AMD_3   0x444d4163 /* "cAMD" */
 #define CPUID_VENDOR_AMD   "AuthenticAMD"
 
+#define CPUID_VENDOR_VIA_1 0x746E6543 /* "Cent" */
+#define CPUID_VENDOR_VIA_2 0x48727561 /* "aurH" */
+#define CPUID_VENDOR_VIA_3 0x736C7561 /* "auls" */
+
+#define CPUID_VENDOR_ZHAOXIN_1 0x68532020 /* "  Sh" */
+#define CPUID_VENDOR_ZHAOXIN_2 0x68676E61 /* "angh" */
+#define CPUID_VENDOR_ZHAOXIN_3 0x20206961 /* "ai  " */
+
 #define CPUID_VENDOR_VIA   "CentaurHauls"
 
 #define CPUID_VENDOR_HYGON    "HygonGenuine"
 
+#define CPUID_VENDOR_ZHAOXIN  "  Shanghai  "
+
 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
                            (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
                            (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
                          (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
                          (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
+#define IS_VIA_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_VIA_1 && \
+                         (env)->cpuid_vendor2 == CPUID_VENDOR_VIA_2 && \
+                         (env)->cpuid_vendor3 == CPUID_VENDOR_VIA_3)
+#define IS_ZHAOXIN_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_ZHAOXIN_1 && \
+                             (env)->cpuid_vendor2 == CPUID_VENDOR_ZHAOXIN_2 && \
+                             (env)->cpuid_vendor3 == CPUID_VENDOR_ZHAOXIN_3)
+
 
 #define CPUID_MWAIT_IBE     (1U << 1) /* Interrupts can exit capability */
 #define CPUID_MWAIT_EMX     (1U << 0) /* enumeration supported */