defs.h

一个Windows下的Linux专用虚拟机

/*
 * This source code is a part of coLinux source package.
 *
 * Dan Aloni <[e-mail]>, 2004 (c)
 *
 * Based on definitions from Linux.
 *
 * The code is licensed under the GPL. See the COPYING file at
 * the root directory.
 */

#ifndef __COLINUX_ARCH_I386_DEFS_H__
#define __COLINUX_ARCH_I386_DEFS_H__

/* 
 * Some declarations copied from Linux.
 */

#define CO_ARCH_X86_FEATURE_APIC      (9)
#define CO_ARCH_X86_FEATURE_FXSR      (24) 

/* AMD cpuid feature bits */
#define CO_ARCH_AMD_FEATURE_NX        (20)


/* 
 * Intel CPU features in CR4
 */
#define CO_ARCH_X86_CR4_VME		0x0001	/* enable vm86 extensions */
#define CO_ARCH_X86_CR4_PVI		0x0002	/* virtual interrupts flag enable */
#define CO_ARCH_X86_CR4_TSD		0x0004	/* disable time stamp at ipl 3 */
#define CO_ARCH_X86_CR4_DE		0x0008	/* enable debugging extensions */
#define CO_ARCH_X86_CR4_PSE		0x0010	/* enable page size extensions */
#define CO_ARCH_X86_CR4_PAE		0x0020	/* enable physical address extensions */
#define CO_ARCH_X86_CR4_MCE		0x0040	/* Machine check enable */
#define CO_ARCH_X86_CR4_PGE		0x0080	/* enable global pages */
#define CO_ARCH_X86_CR4_PCE		0x0100	/* enable performance counters at ipl 3 */
#define CO_ARCH_X86_CR4_OSFXSR		0x0200	/* enable fast FPU save and restore */
#define CO_ARCH_X86_CR4_OSXMMEXCPT	0x0400	/* enable unmasked SSE exceptions */

#endif