LXR linux/include/asm-sh/irqflags

   1#ifndef __ASM_SH_IRQFLAGS_64_H
   2#define __ASM_SH_IRQFLAGS_64_H
   3
   4#include <asm/cpu/registers.h>
   5
   6#define SR_MASK_LL      0x00000000000000f0LL
   7#define SR_BL_LL        0x0000000010000000LL
   8
   9static inline void raw_local_irq_enable(void)
  10{
  11        unsigned long long __dummy0, __dummy1 = ~SR_MASK_LL;
  12
  13        __asm__ __volatile__("getcon    " __SR ", %0\n\t"
  14                             "and       %0, %1, %0\n\t"
  15                             "putcon    %0, " __SR "\n\t"
  16                             : "=&r" (__dummy0)
  17                             : "r" (__dummy1));
  18}
  19
  20static inline void raw_local_irq_disable(void)
  21{
  22        unsigned long long __dummy0, __dummy1 = SR_MASK_LL;
  23
  24        __asm__ __volatile__("getcon    " __SR ", %0\n\t"
  25                             "or        %0, %1, %0\n\t"
  26                             "putcon    %0, " __SR "\n\t"
  27                             : "=&r" (__dummy0)
  28                             : "r" (__dummy1));
  29}
  30
  31static inline void set_bl_bit(void)
  32{
  33        unsigned long long __dummy0, __dummy1 = SR_BL_LL;
  34
  35        __asm__ __volatile__("getcon    " __SR ", %0\n\t"
  36                             "or        %0, %1, %0\n\t"
  37                             "putcon    %0, " __SR "\n\t"
  38                             : "=&r" (__dummy0)
  39                             : "r" (__dummy1));
  40
  41}
  42
  43static inline void clear_bl_bit(void)
  44{
  45        unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
  46
  47        __asm__ __volatile__("getcon    " __SR ", %0\n\t"
  48                             "and       %0, %1, %0\n\t"
  49                             "putcon    %0, " __SR "\n\t"
  50                             : "=&r" (__dummy0)
  51                             : "r" (__dummy1));
  52}
  53
  54static inline unsigned long __raw_local_save_flags(void)
  55{
  56        unsigned long long __dummy = SR_MASK_LL;
  57        unsigned long flags;
  58
  59        __asm__ __volatile__ (
  60                "getcon " __SR ", %0\n\t"
  61                "and    %0, %1, %0"
  62                : "=&r" (flags)
  63                : "r" (__dummy));
  64
  65        return flags;
  66}
  67
  68static inline unsigned long __raw_local_irq_save(void)
  69{
  70        unsigned long long __dummy0, __dummy1 = SR_MASK_LL;
  71        unsigned long flags;
  72
  73        __asm__ __volatile__ (
  74                "getcon " __SR ", %1\n\t"
  75                "or     %1, r63, %0\n\t"
  76                "or     %1, %2, %1\n\t"
  77                "putcon %1, " __SR "\n\t"
  78                "and    %0, %2, %0"
  79                : "=&r" (flags), "=&r" (__dummy0)
  80                : "r" (__dummy1));
  81
  82        return flags;
  83}
  84
  85#endif /* __ASM_SH_IRQFLAGS_64_H */
  86