cosmopolitan/libc/nexgen32e/vendor.internal.h

66 lines
2.0 KiB
C
Raw Permalink Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_VENDOR_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_VENDOR_H_
#include "libc/nexgen32e/kcpuids.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
/*
* Known 80x86 Vendors (CPUID.0 EBX+EDX+ECX)
*
* ╤ ╤
* GenuineIntel
* AuthenticAMD
* GenuineCosmo
* NexGenDriven
* AMDisbetter!
* CentaurHauls
* TransmetaCPU
* GenuineTMx86
* CyrixInstead
* UMC UMC UMC
* SiS SiS SiS
* Geode by NSC
* RiseRiseRise
* Vortex86 SoC
* VIA VIA VIA
* VMwareVMware
* XenVMMXenVMM
* Microsoft Hv
* └────┐ │
* G ⊕ t = 0x33 Intel
* A ⊕ A = 0x00 AMD
* G ⊕ s = 0x34 Cosmopolitan
* N ⊕ v = 0x38 NexGen (Modern x86)
* A ⊕ e = 0x24 AMD (Rank & File)
* C ⊕ u = 0x36 Via (DBA Centaur)
* T ⊕ C = 0x17 Transmeta (Historical)
* G ⊕ x = 0x3f Transmeta (Historical)
* C ⊕ e = 0x26 Cyrix (Historical)
* U ⊕ M = 0x18 UMC (Taiwan)
* S ⊕ i = 0x3a SiS (Historical)
* G ⊕ N = 0x09 National Semiconductors (OLPC)
* R ⊕ i = 0x3b Rise Technology (Historical)
* V ⊕ S = 0x05 DM&P (Vortex86)
* V ⊕ I = 0x1f Via
* V ⊕ a = 0x37 VMware
* X ⊕ V = 0x0e Xen
* M ⊕ = 0x6d Microsoft (Win10 Hyper-V)
* │ │
* │ │ perfect
* │ │ 𝑕(𝑠)=𝑠₀⊕𝑠₉
* ╧ ╧
*
* @note Parallels Desktop CPU brand string is " lrpepyh vr " since even
* folks designing microprocessor emulators apparently struggle w/
* endianness lool.
*/
#define IsAuthenticAMD() (_KCPUIDS_VENDOR() == 0x00)
#define IsGenuineIntel() (_KCPUIDS_VENDOR() == 0x33)
#define IsGenuineCosmo() (_KCPUIDS_VENDOR() == 0x34)
#define _KCPUIDS_VENDOR() \
(((kCpuids[KCPUIDS_0H][KCPUIDS_EBX] >> 000) & 0xff) ^ \
((kCpuids[KCPUIDS_0H][KCPUIDS_EDX] >> 010) & 0xff))
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_VENDOR_H_ */