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  1. /*
  2.  * Copyright (c) 2001-2004 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup ia32
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_ia32_CPU_H_
  36. #define KERN_ia32_CPU_H_
  37.  
  38. #define EFLAGS_IF       (1 << 9)
  39. #define EFLAGS_RF       (1 << 16)
  40.  
  41. #define CR4_OSFXSR_MASK (1<<9)
  42.  
  43. /* Support for SYSENTER and SYSEXIT */
  44. #define IA32_MSR_SYSENTER_CS    0x174
  45. #define IA32_MSR_SYSENTER_ESP   0x175
  46. #define IA32_MSR_SYSENTER_EIP   0x176
  47.  
  48. #ifndef __ASM__
  49.  
  50. #include <arch/pm.h>
  51. #include <arch/asm.h>
  52.  
  53. typedef struct {
  54.     int vendor;
  55.     int family;
  56.     int model;
  57.     int stepping;
  58.     struct tss *tss;
  59.    
  60.     count_t iomapver_copy;  /** Copy of TASK's I/O Permission bitmap generation count. */
  61. } cpu_arch_t;
  62.  
  63. #endif
  64.  
  65. #define DR6_BT (1<<15)
  66. #define DR6_BS (1<<14)
  67. #define DR6_BD (1<<13)
  68.  
  69. #endif
  70.  
  71. /** @}
  72.  */
  73.