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irqflags_64.h

#ifndef __ASM_SH_IRQFLAGS_64_H
#define __ASM_SH_IRQFLAGS_64_H

#include <cpu/registers.h>

#define SR_MASK_LL      0x00000000000000f0LL
#define SR_BL_LL  0x0000000010000000LL

static inline void raw_local_irq_enable(void)
{
      unsigned long long __dummy0, __dummy1 = ~SR_MASK_LL;

      __asm__ __volatile__("getcon  " __SR ", %0\n\t"
                       "and   %0, %1, %0\n\t"
                       "putcon      %0, " __SR "\n\t"
                       : "=&r" (__dummy0)
                       : "r" (__dummy1));
}

static inline void raw_local_irq_disable(void)
{
      unsigned long long __dummy0, __dummy1 = SR_MASK_LL;

      __asm__ __volatile__("getcon  " __SR ", %0\n\t"
                       "or    %0, %1, %0\n\t"
                       "putcon      %0, " __SR "\n\t"
                       : "=&r" (__dummy0)
                       : "r" (__dummy1));
}

static inline void set_bl_bit(void)
{
      unsigned long long __dummy0, __dummy1 = SR_BL_LL;

      __asm__ __volatile__("getcon  " __SR ", %0\n\t"
                       "or    %0, %1, %0\n\t"
                       "putcon      %0, " __SR "\n\t"
                       : "=&r" (__dummy0)
                       : "r" (__dummy1));

}

static inline void clear_bl_bit(void)
{
      unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;

      __asm__ __volatile__("getcon  " __SR ", %0\n\t"
                       "and   %0, %1, %0\n\t"
                       "putcon      %0, " __SR "\n\t"
                       : "=&r" (__dummy0)
                       : "r" (__dummy1));
}

static inline unsigned long __raw_local_save_flags(void)
{
      unsigned long long __dummy = SR_MASK_LL;
      unsigned long flags;

      __asm__ __volatile__ (
            "getcon     " __SR ", %0\n\t"
            "and  %0, %1, %0"
            : "=&r" (flags)
            : "r" (__dummy));

      return flags;
}

static inline unsigned long __raw_local_irq_save(void)
{
      unsigned long long __dummy0, __dummy1 = SR_MASK_LL;
      unsigned long flags;

      __asm__ __volatile__ (
            "getcon     " __SR ", %1\n\t"
            "or   %1, r63, %0\n\t"
            "or   %1, %2, %1\n\t"
            "putcon     %1, " __SR "\n\t"
            "and  %0, %2, %0"
            : "=&r" (flags), "=&r" (__dummy0)
            : "r" (__dummy1));

      return flags;
}

#endif /* __ASM_SH_IRQFLAGS_64_H */

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