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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 */

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Name Type Size Permission Actions
Kbuild File 1.13 KB 0644
atomic.h File 2.47 KB 0644
bitops.h File 4.45 KB 0644
bug.h File 263 B 0644
byteorder.h File 148 B 0644
cache.h File 281 B 0644
cmpxchg.h File 1.49 KB 0644
dma-mapping.h File 269 B 0644
elf.h File 2.66 KB 0644
flat.h File 1.1 KB 0644
hash.h File 1.63 KB 0644
io.h File 1.44 KB 0644
irq.h File 555 B 0644
irqflags.h File 1.88 KB 0644
kgdb.h File 1.04 KB 0644
page.h File 485 B 0644
page_offset.h File 37 B 0644
pci.h File 421 B 0644
pgtable.h File 1.7 KB 0644
processor.h File 3.17 KB 0644
ptrace.h File 1.03 KB 0644
segment.h File 886 B 0644
signal.h File 520 B 0644
smp.h File 32 B 0644
string.h File 389 B 0644
switch_to.h File 1.72 KB 0644
syscall.h File 1.03 KB 0644
thread_info.h File 3.26 KB 0644
tlb.h File 166 B 0644
traps.h File 1.06 KB 0644
uaccess.h File 1.02 KB 0644
user.h File 3.34 KB 0644