diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-x86/system.h | 21 | ||||
-rw-r--r-- | include/asm-x86/system_32.h | 22 | ||||
-rw-r--r-- | include/asm-x86/system_64.h | 20 |
3 files changed, 21 insertions, 42 deletions
diff --git a/include/asm-x86/system.h b/include/asm-x86/system.h index d0803f8c70c4..3740bada097c 100644 --- a/include/asm-x86/system.h +++ b/include/asm-x86/system.h | |||
@@ -39,6 +39,27 @@ __asm__ __volatile__ ("movw %%dx,%1\n\t" \ | |||
39 | #define set_limit(ldt, limit) _set_limit(((char *)&(ldt)) , ((limit)-1)) | 39 | #define set_limit(ldt, limit) _set_limit(((char *)&(ldt)) , ((limit)-1)) |
40 | 40 | ||
41 | /* | 41 | /* |
42 | * Load a segment. Fall back on loading the zero | ||
43 | * segment if something goes wrong.. | ||
44 | */ | ||
45 | #define loadsegment(seg, value) \ | ||
46 | asm volatile("\n" \ | ||
47 | "1:\t" \ | ||
48 | "movl %k0,%%" #seg "\n" \ | ||
49 | "2:\n" \ | ||
50 | ".section .fixup,\"ax\"\n" \ | ||
51 | "3:\t" \ | ||
52 | "movl %k1, %%" #seg "\n\t" \ | ||
53 | "jmp 2b\n" \ | ||
54 | ".previous\n" \ | ||
55 | ".section __ex_table,\"a\"\n\t" \ | ||
56 | _ASM_ALIGN "\n\t" \ | ||
57 | _ASM_PTR " 1b,3b\n" \ | ||
58 | ".previous" \ | ||
59 | : :"r" (value), "r" (0)) | ||
60 | |||
61 | |||
62 | /* | ||
42 | * Save a segment register away | 63 | * Save a segment register away |
43 | */ | 64 | */ |
44 | #define savesegment(seg, value) \ | 65 | #define savesegment(seg, value) \ |
diff --git a/include/asm-x86/system_32.h b/include/asm-x86/system_32.h index fb457642ac58..8db478984ed1 100644 --- a/include/asm-x86/system_32.h +++ b/include/asm-x86/system_32.h | |||
@@ -34,28 +34,6 @@ extern struct task_struct * FASTCALL(__switch_to(struct task_struct *prev, struc | |||
34 | "2" (prev), "d" (next)); \ | 34 | "2" (prev), "d" (next)); \ |
35 | } while (0) | 35 | } while (0) |
36 | 36 | ||
37 | /* | ||
38 | * Load a segment. Fall back on loading the zero | ||
39 | * segment if something goes wrong.. | ||
40 | */ | ||
41 | #define loadsegment(seg,value) \ | ||
42 | asm volatile("\n" \ | ||
43 | "1:\t" \ | ||
44 | "mov %0,%%" #seg "\n" \ | ||
45 | "2:\n" \ | ||
46 | ".section .fixup,\"ax\"\n" \ | ||
47 | "3:\t" \ | ||
48 | "pushl $0\n\t" \ | ||
49 | "popl %%" #seg "\n\t" \ | ||
50 | "jmp 2b\n" \ | ||
51 | ".previous\n" \ | ||
52 | ".section __ex_table,\"a\"\n\t" \ | ||
53 | ".align 4\n\t" \ | ||
54 | ".long 1b,3b\n" \ | ||
55 | ".previous" \ | ||
56 | : :"rm" (value)) | ||
57 | |||
58 | |||
59 | static inline void native_clts(void) | 37 | static inline void native_clts(void) |
60 | { | 38 | { |
61 | asm volatile ("clts"); | 39 | asm volatile ("clts"); |
diff --git a/include/asm-x86/system_64.h b/include/asm-x86/system_64.h index cc5b2666a044..0885caace5d4 100644 --- a/include/asm-x86/system_64.h +++ b/include/asm-x86/system_64.h | |||
@@ -50,26 +50,6 @@ | |||
50 | extern void load_gs_index(unsigned); | 50 | extern void load_gs_index(unsigned); |
51 | 51 | ||
52 | /* | 52 | /* |
53 | * Load a segment. Fall back on loading the zero | ||
54 | * segment if something goes wrong.. | ||
55 | */ | ||
56 | #define loadsegment(seg,value) \ | ||
57 | asm volatile("\n" \ | ||
58 | "1:\t" \ | ||
59 | "movl %k0,%%" #seg "\n" \ | ||
60 | "2:\n" \ | ||
61 | ".section .fixup,\"ax\"\n" \ | ||
62 | "3:\t" \ | ||
63 | "movl %1,%%" #seg "\n\t" \ | ||
64 | "jmp 2b\n" \ | ||
65 | ".previous\n" \ | ||
66 | ".section __ex_table,\"a\"\n\t" \ | ||
67 | ".align 8\n\t" \ | ||
68 | ".quad 1b,3b\n" \ | ||
69 | ".previous" \ | ||
70 | : :"r" (value), "r" (0)) | ||
71 | |||
72 | /* | ||
73 | * Clear and set 'TS' bit respectively | 53 | * Clear and set 'TS' bit respectively |
74 | */ | 54 | */ |
75 | #define clts() __asm__ __volatile__ ("clts") | 55 | #define clts() __asm__ __volatile__ ("clts") |