arch/sh/include/asm/bl_bit_32.h

   1 #ifndef __ASM_SH_BL_BIT_32_H
   2 #define __ASM_SH_BL_BIT_32_H
   3
   4 static inline void set_bl_bit(void)
   5 {
   6         unsigned long __dummy0, __dummy1;
   7
   8         __asm__ __volatile__ (
   9                 "stc    sr, %0\n\t"
  10                 "or     %2, %0\n\t"
  11                 "and    %3, %0\n\t"
  12                 "ldc    %0, sr\n\t"
  13                 : "=&r" (__dummy0), "=r" (__dummy1)
  14                 : "r" (0x10000000), "r" (0xffffff0f)
  15                 : "memory"
  16         );
  17 }
  18
  19 static inline void clear_bl_bit(void)
  20 {
  21         unsigned long __dummy0, __dummy1;
  22
  23         __asm__ __volatile__ (
  24                 "stc    sr, %0\n\t"
  25                 "and    %2, %0\n\t"
  26                 "ldc    %0, sr\n\t"
  27                 : "=&r" (__dummy0), "=r" (__dummy1)
  28                 : "1" (~0x10000000)
  29                 : "memory"
  30         );
  31 }
  32
  33 #endif /* __ASM_SH_BL_BIT_32_H */