include/asm-x86/nops.h

   1 #ifndef _ASM_NOPS_H
   2 #define _ASM_NOPS_H 1
   3
   4 /* Define nops for use with alternative() */
   5
   6 <<<<<<< HEAD:include/asm-x86/nops.h
   7 /* generic versions from gas */
   8 #define GENERIC_NOP1    ".byte 0x90\n"
   9 #define GENERIC_NOP2            ".byte 0x89,0xf6\n"
  10 #define GENERIC_NOP3        ".byte 0x8d,0x76,0x00\n"
  11 #define GENERIC_NOP4        ".byte 0x8d,0x74,0x26,0x00\n"
  12 #define GENERIC_NOP5        GENERIC_NOP1 GENERIC_NOP4
  13 #define GENERIC_NOP6    ".byte 0x8d,0xb6,0x00,0x00,0x00,0x00\n"
  14 #define GENERIC_NOP7    ".byte 0x8d,0xb4,0x26,0x00,0x00,0x00,0x00\n"
  15 #define GENERIC_NOP8    GENERIC_NOP1 GENERIC_NOP7
  16 =======
  17 /* generic versions from gas
  18    1: nop
  19    2: movl %esi,%esi
  20    3: leal 0x00(%esi),%esi
  21    4: leal 0x00(,%esi,1),%esi
  22    6: leal 0x00000000(%esi),%esi
  23    7: leal 0x00000000(,%esi,1),%esi
  24 */
  25 #define GENERIC_NOP1 ".byte 0x90\n"
  26 #define GENERIC_NOP2 ".byte 0x89,0xf6\n"
  27 #define GENERIC_NOP3 ".byte 0x8d,0x76,0x00\n"
  28 #define GENERIC_NOP4 ".byte 0x8d,0x74,0x26,0x00\n"
  29 #define GENERIC_NOP5 GENERIC_NOP1 GENERIC_NOP4
  30 #define GENERIC_NOP6 ".byte 0x8d,0xb6,0x00,0x00,0x00,0x00\n"
  31 #define GENERIC_NOP7 ".byte 0x8d,0xb4,0x26,0x00,0x00,0x00,0x00\n"
  32 #define GENERIC_NOP8 GENERIC_NOP1 GENERIC_NOP7
  33 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/asm-x86/nops.h
  34
  35 <<<<<<< HEAD:include/asm-x86/nops.h
  36 /* Opteron 64bit nops */
  37 =======
  38 /* Opteron 64bit nops
  39    1: nop
  40    2: osp nop
  41    3: osp osp nop
  42    4: osp osp osp nop
  43 */
  44 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/asm-x86/nops.h
  45 #define K8_NOP1 GENERIC_NOP1
  46 #define K8_NOP2 ".byte 0x66,0x90\n"
  47 #define K8_NOP3 ".byte 0x66,0x66,0x90\n"
  48 #define K8_NOP4 ".byte 0x66,0x66,0x66,0x90\n"
  49 #define K8_NOP5 K8_NOP3 K8_NOP2
  50 #define K8_NOP6 K8_NOP3 K8_NOP3
  51 #define K8_NOP7 K8_NOP4 K8_NOP3
  52 #define K8_NOP8 K8_NOP4 K8_NOP4
  53
  54 <<<<<<< HEAD:include/asm-x86/nops.h
  55 /* K7 nops */
  56 /* uses eax dependencies (arbitary choice) */
  57 #define K7_NOP1  GENERIC_NOP1
  58 =======
  59 /* K7 nops
  60    uses eax dependencies (arbitary choice)
  61    1: nop
  62    2: movl %eax,%eax
  63    3: leal (,%eax,1),%eax
  64    4: leal 0x00(,%eax,1),%eax
  65    6: leal 0x00000000(%eax),%eax
  66    7: leal 0x00000000(,%eax,1),%eax
  67 */
  68 #define K7_NOP1 GENERIC_NOP1
  69 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/asm-x86/nops.h
  70 #define K7_NOP2 ".byte 0x8b,0xc0\n"
  71 #define K7_NOP3 ".byte 0x8d,0x04,0x20\n"
  72 #define K7_NOP4 ".byte 0x8d,0x44,0x20,0x00\n"
  73 #define K7_NOP5 K7_NOP4 ASM_NOP1
  74 #define K7_NOP6 ".byte 0x8d,0x80,0,0,0,0\n"
  75 <<<<<<< HEAD:include/asm-x86/nops.h
  76 #define K7_NOP7        ".byte 0x8D,0x04,0x05,0,0,0,0\n"
  77 #define K7_NOP8        K7_NOP7 ASM_NOP1
  78 =======
  79 #define K7_NOP7 ".byte 0x8D,0x04,0x05,0,0,0,0\n"
  80 #define K7_NOP8 K7_NOP7 ASM_NOP1
  81 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/asm-x86/nops.h
  82
  83 <<<<<<< HEAD:include/asm-x86/nops.h
  84 /* P6 nops */
  85 /* uses eax dependencies (Intel-recommended choice) */
  86 =======
  87 /* P6 nops
  88    uses eax dependencies (Intel-recommended choice)
  89    1: nop
  90    2: osp nop
  91    3: nopl (%eax)
  92    4: nopl 0x00(%eax)
  93    5: nopl 0x00(%eax,%eax,1)
  94    6: osp nopl 0x00(%eax,%eax,1)
  95    7: nopl 0x00000000(%eax)
  96    8: nopl 0x00000000(%eax,%eax,1)
  97 */
  98 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/asm-x86/nops.h
  99 #define P6_NOP1 GENERIC_NOP1
 100 #define P6_NOP2 ".byte 0x66,0x90\n"
 101 #define P6_NOP3 ".byte 0x0f,0x1f,0x00\n"
 102 #define P6_NOP4 ".byte 0x0f,0x1f,0x40,0\n"
 103 #define P6_NOP5 ".byte 0x0f,0x1f,0x44,0x00,0\n"
 104 #define P6_NOP6 ".byte 0x66,0x0f,0x1f,0x44,0x00,0\n"
 105 #define P6_NOP7 ".byte 0x0f,0x1f,0x80,0,0,0,0\n"
 106 #define P6_NOP8 ".byte 0x0f,0x1f,0x84,0x00,0,0,0,0\n"
 107
 108 #if defined(CONFIG_MK8)
 109 #define ASM_NOP1 K8_NOP1
 110 #define ASM_NOP2 K8_NOP2
 111 #define ASM_NOP3 K8_NOP3
 112 #define ASM_NOP4 K8_NOP4
 113 #define ASM_NOP5 K8_NOP5
 114 #define ASM_NOP6 K8_NOP6
 115 #define ASM_NOP7 K8_NOP7
 116 #define ASM_NOP8 K8_NOP8
 117 #elif defined(CONFIG_MK7)
 118 #define ASM_NOP1 K7_NOP1
 119 #define ASM_NOP2 K7_NOP2
 120 #define ASM_NOP3 K7_NOP3
 121 #define ASM_NOP4 K7_NOP4
 122 #define ASM_NOP5 K7_NOP5
 123 #define ASM_NOP6 K7_NOP6
 124 #define ASM_NOP7 K7_NOP7
 125 #define ASM_NOP8 K7_NOP8
 126 <<<<<<< HEAD:include/asm-x86/nops.h
 127 #elif defined(CONFIG_M686) || defined(CONFIG_MPENTIUMII) || \
 128       defined(CONFIG_MPENTIUMIII) || defined(CONFIG_MPENTIUMM) || \
 129       defined(CONFIG_MCORE2) || defined(CONFIG_PENTIUM4)
 130 =======
 131 #elif defined(CONFIG_X86_P6_NOP)
 132 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:include/asm-x86/nops.h
 133 #define ASM_NOP1 P6_NOP1
 134 #define ASM_NOP2 P6_NOP2
 135 #define ASM_NOP3 P6_NOP3
 136 #define ASM_NOP4 P6_NOP4
 137 #define ASM_NOP5 P6_NOP5
 138 #define ASM_NOP6 P6_NOP6
 139 #define ASM_NOP7 P6_NOP7
 140 #define ASM_NOP8 P6_NOP8
 141 #else
 142 #define ASM_NOP1 GENERIC_NOP1
 143 #define ASM_NOP2 GENERIC_NOP2
 144 #define ASM_NOP3 GENERIC_NOP3
 145 #define ASM_NOP4 GENERIC_NOP4
 146 #define ASM_NOP5 GENERIC_NOP5
 147 #define ASM_NOP6 GENERIC_NOP6
 148 #define ASM_NOP7 GENERIC_NOP7
 149 #define ASM_NOP8 GENERIC_NOP8
 150 #endif
 151
 152 #define ASM_NOP_MAX 8
 153
 154 #endif