source: mainline/kernel/arch/ia32/include/cpu.h@ 4a537dd

/*
 * Copyright (c) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup ia32
 * @{
 */
/** @file
 */

#ifndef KERN_ia32_CPU_H_
#define KERN_ia32_CPU_H_

#define EFLAGS_IF       (1 << 9)
#define EFLAGS_RF       (1 << 16)

#define CR4_OSFXSR_MASK (1<<9)

/* Support for SYSENTER and SYSEXIT */
#define IA32_MSR_SYSENTER_CS    0x174
#define IA32_MSR_SYSENTER_ESP   0x175
#define IA32_MSR_SYSENTER_EIP   0x176

#ifndef __ASM__

#include <arch/pm.h>
#include <arch/asm.h>
#include <arch/cpuid.h>

typedef struct {
        unsigned int vendor;
        unsigned int family;
        unsigned int model;
        unsigned int stepping;
        cpuid_feature_info fi;

        tss_t *tss;
        
        size_t iomapver_copy;  /** Copy of TASK's I/O Permission bitmap generation count. */
} cpu_arch_t;

#endif

#endif

/** @}
 */