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 d0803f8c70c..3740bada097 100644 --- a/include/asm-x86/system.h +++ b/include/asm-x86/system.h @@ -39,6 +39,27 @@ __asm__ __volatile__ ("movw %%dx,%1\n\t" \ #define set_limit(ldt, limit) _set_limit(((char *)&(ldt)) , ((limit)-1)) /* + * Load a segment. Fall back on loading the zero + * segment if something goes wrong.. + */ +#define loadsegment(seg, value) \ + asm volatile("\n" \ + "1:\t" \ + "movl %k0,%%" #seg "\n" \ + "2:\n" \ + ".section .fixup,\"ax\"\n" \ + "3:\t" \ + "movl %k1, %%" #seg "\n\t" \ + "jmp 2b\n" \ + ".previous\n" \ + ".section __ex_table,\"a\"\n\t" \ + _ASM_ALIGN "\n\t" \ + _ASM_PTR " 1b,3b\n" \ + ".previous" \ + : :"r" (value), "r" (0)) + + +/* * Save a segment register away */ #define savesegment(seg, value) \ diff --git a/include/asm-x86/system_32.h b/include/asm-x86/system_32.h index fb457642ac5..8db478984ed 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 "2" (prev), "d" (next)); \ } while (0) -/* - * Load a segment. Fall back on loading the zero - * segment if something goes wrong.. - */ -#define loadsegment(seg,value) \ - asm volatile("\n" \ - "1:\t" \ - "mov %0,%%" #seg "\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3:\t" \ - "pushl $0\n\t" \ - "popl %%" #seg "\n\t" \ - "jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n\t" \ - ".align 4\n\t" \ - ".long 1b,3b\n" \ - ".previous" \ - : :"rm" (value)) - - static inline void native_clts(void) { asm volatile ("clts"); diff --git a/include/asm-x86/system_64.h b/include/asm-x86/system_64.h index cc5b2666a04..0885caace5d 100644 --- a/include/asm-x86/system_64.h +++ b/include/asm-x86/system_64.h @@ -50,26 +50,6 @@ extern void load_gs_index(unsigned); /* - * Load a segment. Fall back on loading the zero - * segment if something goes wrong.. - */ -#define loadsegment(seg,value) \ - asm volatile("\n" \ - "1:\t" \ - "movl %k0,%%" #seg "\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3:\t" \ - "movl %1,%%" #seg "\n\t" \ - "jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n\t" \ - ".align 8\n\t" \ - ".quad 1b,3b\n" \ - ".previous" \ - : :"r" (value), "r" (0)) - -/* * Clear and set 'TS' bit respectively */ #define clts() __asm__ __volatile__ ("clts") |