arch/sh/include/asm/bl_bit_64.h

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * Copyright (C) 2000, 2001  Paolo Alberelli
   4  * Copyright (C) 2003  Paul Mundt
   5  * Copyright (C) 2004  Richard Curnow
   6  */
   7 #ifndef __ASM_SH_BL_BIT_64_H
   8 #define __ASM_SH_BL_BIT_64_H
   9
  10 #include <asm/processor.h>
  11
  12 #define SR_BL_LL        0x0000000010000000LL
  13
  14 static inline void set_bl_bit(void)
  15 {
  16         unsigned long long __dummy0, __dummy1 = SR_BL_LL;
  17
  18         __asm__ __volatile__("getcon    " __SR ", %0\n\t"
  19                              "or        %0, %1, %0\n\t"
  20                              "putcon    %0, " __SR "\n\t"
  21                              : "=&r" (__dummy0)
  22                              : "r" (__dummy1));
  23
  24 }
  25
  26 static inline void clear_bl_bit(void)
  27 {
  28         unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
  29
  30         __asm__ __volatile__("getcon    " __SR ", %0\n\t"
  31                              "and       %0, %1, %0\n\t"
  32                              "putcon    %0, " __SR "\n\t"
  33                              : "=&r" (__dummy0)
  34                              : "r" (__dummy1));
  35 }
  36
  37 #endif /* __ASM_SH_BL_BIT_64_H */