1  #ifndef __XEN_X86_VENDORS_H__
2  #define __XEN_X86_VENDORS_H__
3  
4  /*
5   * CPU vendor IDs
6   *
7   * - X86_VENDOR_* are Xen-internal identifiers.  The order is arbitrary, but
8   *   values form a bitmap so vendor checks can be made against multiple
9   *   vendors at once.
10   * - X86_VENDOR_*_E?X are architectural information from CPUID leaf 0
11   */
12  #define X86_VENDOR_UNKNOWN 0
13  
14  #define X86_VENDOR_INTEL (1 << 0)
15  #define X86_VENDOR_INTEL_EBX 0x756e6547U /* "GenuineIntel" */
16  #define X86_VENDOR_INTEL_ECX 0x6c65746eU
17  #define X86_VENDOR_INTEL_EDX 0x49656e69U
18  
19  #define X86_VENDOR_AMD (1 << 1)
20  #define X86_VENDOR_AMD_EBX 0x68747541U /* "AuthenticAMD" */
21  #define X86_VENDOR_AMD_ECX 0x444d4163U
22  #define X86_VENDOR_AMD_EDX 0x69746e65U
23  
24  #define X86_VENDOR_CENTAUR (1 << 2)
25  #define X86_VENDOR_CENTAUR_EBX 0x746e6543U /* "CentaurHauls" */
26  #define X86_VENDOR_CENTAUR_ECX 0x736c7561U
27  #define X86_VENDOR_CENTAUR_EDX 0x48727561U
28  
29  #define X86_VENDOR_SHANGHAI (1 << 3)
30  #define X86_VENDOR_SHANGHAI_EBX 0x68532020U /* "  Shanghai  " */
31  #define X86_VENDOR_SHANGHAI_ECX 0x20206961U
32  #define X86_VENDOR_SHANGHAI_EDX 0x68676e61U
33  
34  #define X86_VENDOR_HYGON (1 << 4)
35  #define X86_VENDOR_HYGON_EBX 0x6f677948U /* "HygonGenuine" */
36  #define X86_VENDOR_HYGON_ECX 0x656e6975U
37  #define X86_VENDOR_HYGON_EDX 0x6e65476eU
38  
39  #endif	/* __XEN_X86_VENDORS_H__ */
40