Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _M68K_IRQFLAGS_H
#define _M68K_IRQFLAGS_H
 
#include <linux/types.h>
#include <linux/preempt.h>
#include <asm/thread_info.h>
#include <asm/entry.h>
 
static inline unsigned long arch_local_save_flags(void)
{
<------>unsigned long flags;
<------>asm volatile ("movew %%sr,%0" : "=d" (flags) : : "memory");
<------>return flags;
}
 
static inline void arch_local_irq_disable(void)
{
#ifdef CONFIG_COLDFIRE
<------>asm volatile (
<------><------>"move	%/sr,%%d0	\n\t"
<------><------>"ori.l	#0x0700,%%d0	\n\t"
<------><------>"move	%%d0,%/sr	\n"
<------><------>: /* no outputs */
<------><------>:
<------><------>: "cc", "%d0", "memory");
#else
<------>asm volatile ("oriw  #0x0700,%%sr" : : : "memory");
#endif
}
 
static inline void arch_local_irq_enable(void)
{
#if defined(CONFIG_COLDFIRE)
<------>asm volatile (
<------><------>"move	%/sr,%%d0	\n\t"
<------><------>"andi.l	#0xf8ff,%%d0	\n\t"
<------><------>"move	%%d0,%/sr	\n"
<------><------>: /* no outputs */
<------><------>:
<------><------>: "cc", "%d0", "memory");
#else
# if defined(CONFIG_MMU)
<------>if (MACH_IS_Q40 || !hardirq_count())
# endif
<------><------>asm volatile (
<------><------><------>"andiw %0,%%sr"
<------><------><------>:
<------><------><------>: "i" (ALLOWINT)
<------><------><------>: "memory");
#endif
}
 
static inline unsigned long arch_local_irq_save(void)
{
<------>unsigned long flags = arch_local_save_flags();
<------>arch_local_irq_disable();
<------>return flags;
}
 
static inline void arch_local_irq_restore(unsigned long flags)
{
<------>asm volatile ("movew %0,%%sr" : : "d" (flags) : "memory");
}
 
static inline bool arch_irqs_disabled_flags(unsigned long flags)
{
<------>if (MACH_IS_ATARI) {
<------><------>/* Ignore HSYNC = ipl 2 on Atari */
<------><------>return (flags & ~(ALLOWINT | 0x200)) != 0;
<------>}
<------>return (flags & ~ALLOWINT) != 0;
}
 
static inline bool arch_irqs_disabled(void)
{
<------>return arch_irqs_disabled_flags(arch_local_save_flags());
}
 
#endif /* _M68K_IRQFLAGS_H */