config.h

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#ifndef _X86_CONFIG_H
#define _X86_CONFIG_H
 
/* x86: what the kernel needs to know of the architecture, i386 or x86_64
 * (the generic part is include/config.h). */
 
#ifndef __x86_64__
#define ARCH X86
#define ARCH_X86
#define ARCH_BITS 32
#define MULTIBOOT_GFX   1
 
/* the machine of the programs it runs (sys/binfmt/elf.c) */
#define ELF_MACHINE      0x0003   /* EM_386 */
 
#define UTSNAME_MACHINE  "i386"
#else
#define ARCH X86_64
#define ARCH_X86_64
#define ARCH_BITS 64
#define MULTIBOOT_GFX   1
 
/* the machine of the programs it runs (sys/binfmt/elf.c) */
#define ELF_MACHINE      0x003E   /* EM_X86_64 */
 
#define UTSNAME_MACHINE  "x86_64"
#endif
 
#include_next <config.h>
 
#endif /* ! _X86_CONFIG_H */