2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-25 21:54:06 +08:00
linux-next/include/asm-sh/irqflags_64.h
Paul Mundt f64ee87614 sh: Split out irqflags.h in to _32 and _64 variants.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-01-28 13:18:40 +09:00

86 lines
1.8 KiB
C

#ifndef __ASM_SH_IRQFLAGS_64_H
#define __ASM_SH_IRQFLAGS_64_H
#include <asm/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 */