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Diffstat (limited to 'include/asm-x86/nops.h')
-rw-r--r-- | include/asm-x86/nops.h | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/include/asm-x86/nops.h b/include/asm-x86/nops.h deleted file mode 100644 index ae742721ae73..000000000000 --- a/include/asm-x86/nops.h +++ /dev/null | |||
@@ -1,118 +0,0 @@ | |||
1 | #ifndef ASM_X86__NOPS_H | ||
2 | #define ASM_X86__NOPS_H | ||
3 | |||
4 | /* Define nops for use with alternative() */ | ||
5 | |||
6 | /* generic versions from gas | ||
7 | 1: nop | ||
8 | the following instructions are NOT nops in 64-bit mode, | ||
9 | for 64-bit mode use K8 or P6 nops instead | ||
10 | 2: movl %esi,%esi | ||
11 | 3: leal 0x00(%esi),%esi | ||
12 | 4: leal 0x00(,%esi,1),%esi | ||
13 | 6: leal 0x00000000(%esi),%esi | ||
14 | 7: leal 0x00000000(,%esi,1),%esi | ||
15 | */ | ||
16 | #define GENERIC_NOP1 ".byte 0x90\n" | ||
17 | #define GENERIC_NOP2 ".byte 0x89,0xf6\n" | ||
18 | #define GENERIC_NOP3 ".byte 0x8d,0x76,0x00\n" | ||
19 | #define GENERIC_NOP4 ".byte 0x8d,0x74,0x26,0x00\n" | ||
20 | #define GENERIC_NOP5 GENERIC_NOP1 GENERIC_NOP4 | ||
21 | #define GENERIC_NOP6 ".byte 0x8d,0xb6,0x00,0x00,0x00,0x00\n" | ||
22 | #define GENERIC_NOP7 ".byte 0x8d,0xb4,0x26,0x00,0x00,0x00,0x00\n" | ||
23 | #define GENERIC_NOP8 GENERIC_NOP1 GENERIC_NOP7 | ||
24 | |||
25 | /* Opteron 64bit nops | ||
26 | 1: nop | ||
27 | 2: osp nop | ||
28 | 3: osp osp nop | ||
29 | 4: osp osp osp nop | ||
30 | */ | ||
31 | #define K8_NOP1 GENERIC_NOP1 | ||
32 | #define K8_NOP2 ".byte 0x66,0x90\n" | ||
33 | #define K8_NOP3 ".byte 0x66,0x66,0x90\n" | ||
34 | #define K8_NOP4 ".byte 0x66,0x66,0x66,0x90\n" | ||
35 | #define K8_NOP5 K8_NOP3 K8_NOP2 | ||
36 | #define K8_NOP6 K8_NOP3 K8_NOP3 | ||
37 | #define K8_NOP7 K8_NOP4 K8_NOP3 | ||
38 | #define K8_NOP8 K8_NOP4 K8_NOP4 | ||
39 | |||
40 | /* K7 nops | ||
41 | uses eax dependencies (arbitary choice) | ||
42 | 1: nop | ||
43 | 2: movl %eax,%eax | ||
44 | 3: leal (,%eax,1),%eax | ||
45 | 4: leal 0x00(,%eax,1),%eax | ||
46 | 6: leal 0x00000000(%eax),%eax | ||
47 | 7: leal 0x00000000(,%eax,1),%eax | ||
48 | */ | ||
49 | #define K7_NOP1 GENERIC_NOP1 | ||
50 | #define K7_NOP2 ".byte 0x8b,0xc0\n" | ||
51 | #define K7_NOP3 ".byte 0x8d,0x04,0x20\n" | ||
52 | #define K7_NOP4 ".byte 0x8d,0x44,0x20,0x00\n" | ||
53 | #define K7_NOP5 K7_NOP4 ASM_NOP1 | ||
54 | #define K7_NOP6 ".byte 0x8d,0x80,0,0,0,0\n" | ||
55 | #define K7_NOP7 ".byte 0x8D,0x04,0x05,0,0,0,0\n" | ||
56 | #define K7_NOP8 K7_NOP7 ASM_NOP1 | ||
57 | |||
58 | /* P6 nops | ||
59 | uses eax dependencies (Intel-recommended choice) | ||
60 | 1: nop | ||
61 | 2: osp nop | ||
62 | 3: nopl (%eax) | ||
63 | 4: nopl 0x00(%eax) | ||
64 | 5: nopl 0x00(%eax,%eax,1) | ||
65 | 6: osp nopl 0x00(%eax,%eax,1) | ||
66 | 7: nopl 0x00000000(%eax) | ||
67 | 8: nopl 0x00000000(%eax,%eax,1) | ||
68 | */ | ||
69 | #define P6_NOP1 GENERIC_NOP1 | ||
70 | #define P6_NOP2 ".byte 0x66,0x90\n" | ||
71 | #define P6_NOP3 ".byte 0x0f,0x1f,0x00\n" | ||
72 | #define P6_NOP4 ".byte 0x0f,0x1f,0x40,0\n" | ||
73 | #define P6_NOP5 ".byte 0x0f,0x1f,0x44,0x00,0\n" | ||
74 | #define P6_NOP6 ".byte 0x66,0x0f,0x1f,0x44,0x00,0\n" | ||
75 | #define P6_NOP7 ".byte 0x0f,0x1f,0x80,0,0,0,0\n" | ||
76 | #define P6_NOP8 ".byte 0x0f,0x1f,0x84,0x00,0,0,0,0\n" | ||
77 | |||
78 | #if defined(CONFIG_MK7) | ||
79 | #define ASM_NOP1 K7_NOP1 | ||
80 | #define ASM_NOP2 K7_NOP2 | ||
81 | #define ASM_NOP3 K7_NOP3 | ||
82 | #define ASM_NOP4 K7_NOP4 | ||
83 | #define ASM_NOP5 K7_NOP5 | ||
84 | #define ASM_NOP6 K7_NOP6 | ||
85 | #define ASM_NOP7 K7_NOP7 | ||
86 | #define ASM_NOP8 K7_NOP8 | ||
87 | #elif defined(CONFIG_X86_P6_NOP) | ||
88 | #define ASM_NOP1 P6_NOP1 | ||
89 | #define ASM_NOP2 P6_NOP2 | ||
90 | #define ASM_NOP3 P6_NOP3 | ||
91 | #define ASM_NOP4 P6_NOP4 | ||
92 | #define ASM_NOP5 P6_NOP5 | ||
93 | #define ASM_NOP6 P6_NOP6 | ||
94 | #define ASM_NOP7 P6_NOP7 | ||
95 | #define ASM_NOP8 P6_NOP8 | ||
96 | #elif defined(CONFIG_X86_64) | ||
97 | #define ASM_NOP1 K8_NOP1 | ||
98 | #define ASM_NOP2 K8_NOP2 | ||
99 | #define ASM_NOP3 K8_NOP3 | ||
100 | #define ASM_NOP4 K8_NOP4 | ||
101 | #define ASM_NOP5 K8_NOP5 | ||
102 | #define ASM_NOP6 K8_NOP6 | ||
103 | #define ASM_NOP7 K8_NOP7 | ||
104 | #define ASM_NOP8 K8_NOP8 | ||
105 | #else | ||
106 | #define ASM_NOP1 GENERIC_NOP1 | ||
107 | #define ASM_NOP2 GENERIC_NOP2 | ||
108 | #define ASM_NOP3 GENERIC_NOP3 | ||
109 | #define ASM_NOP4 GENERIC_NOP4 | ||
110 | #define ASM_NOP5 GENERIC_NOP5 | ||
111 | #define ASM_NOP6 GENERIC_NOP6 | ||
112 | #define ASM_NOP7 GENERIC_NOP7 | ||
113 | #define ASM_NOP8 GENERIC_NOP8 | ||
114 | #endif | ||
115 | |||
116 | #define ASM_NOP_MAX 8 | ||
117 | |||
118 | #endif /* ASM_X86__NOPS_H */ | ||