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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _H8300_IRQFLAGS_H
#define _H8300_IRQFLAGS_H
#ifdef CONFIG_CPU_H8300H
typedef unsigned char h8300flags;
static inline h8300flags arch_local_save_flags(void)
{
h8300flags flags;
__asm__ volatile ("stc ccr,%w0" : "=r" (flags));
return flags;
}
static inline void arch_local_irq_disable(void)
{
__asm__ volatile ("orc #0xc0,ccr");
}
static inline void arch_local_irq_enable(void)
{
__asm__ volatile ("andc #0x3f,ccr");
}
static inline h8300flags arch_local_irq_save(void)
{
h8300flags flags;
__asm__ volatile ("stc ccr,%w0\n\t"
"orc #0xc0,ccr" : "=r" (flags));
return flags;
}
static inline void arch_local_irq_restore(h8300flags flags)
{
__asm__ volatile ("ldc %w0,ccr" : : "r" (flags) : "cc");
}
static inline int arch_irqs_disabled_flags(unsigned long flags)
{
return (flags & 0xc0) == 0xc0;
}
#endif
#ifdef CONFIG_CPU_H8S
typedef unsigned short h8300flags;
static inline h8300flags arch_local_save_flags(void)
{
h8300flags flags;
__asm__ volatile ("stc ccr,%w0\n\tstc exr,%x0" : "=r" (flags));
return flags;
}
static inline void arch_local_irq_disable(void)
{
__asm__ volatile ("orc #0x80,ccr\n\t");
}
static inline void arch_local_irq_enable(void)
{
__asm__ volatile ("andc #0x7f,ccr\n\t"
"andc #0xf0,exr\n\t");
}
static inline h8300flags arch_local_irq_save(void)
{
h8300flags flags;
__asm__ volatile ("stc ccr,%w0\n\t"
"stc exr,%x0\n\t"
"orc #0x80,ccr\n\t"
: "=r" (flags));
return flags;
}
static inline void arch_local_irq_restore(h8300flags flags)
{
__asm__ volatile ("ldc %w0,ccr\n\t"
"ldc %x0,exr"
: : "r" (flags) : "cc");
}
static inline int arch_irqs_disabled_flags(h8300flags flags)
{
return (flags & 0x0080) == 0x0080;
}
#endif
static inline int arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
#endif /* _H8300_IRQFLAGS_H */