/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _X86_IRQFLAGS_H_
#define _X86_IRQFLAGS_H_

#include <asm/processor-flags.h>

#ifndef __ASSEMBLY__

#include <asm/nospec-branch.h>


#define __cpuidle __section(".cpuidle.text")




extern inline unsigned long native_save_fl(void);
extern __always_inline unsigned long native_save_fl(void)
{
	unsigned long flags;

	
	asm volatile("# __raw_save_flags\n\t"
		     "pushf ; pop %0"
		     : "=rm" (flags)
		     : 
		     : "memory");

	return flags;
}

static __always_inline void native_irq_disable(void)
{
	asm volatile("cli": : :"memory");
}

static __always_inline void native_irq_enable(void)
{
	asm volatile("sti": : :"memory");
}

static inline __cpuidle void native_safe_halt(void)
{
	x86_idle_clear_cpu_buffers();
	asm volatile("sti; hlt": : :"memory");
}

static inline __cpuidle void native_halt(void)
{
	x86_idle_clear_cpu_buffers();
	asm volatile("hlt": : :"memory");
}

#endif

#ifdef CONFIG_PARAVIRT_XXL
#include <asm/paravirt.h>
#else
#ifndef __ASSEMBLY__
#include <linux/types.h>

static __always_inline unsigned long arch_local_save_flags(void)
{
	return native_save_fl();
}

static __always_inline void arch_local_irq_disable(void)
{
	native_irq_disable();
}

static __always_inline void arch_local_irq_enable(void)
{
	native_irq_enable();
}


static inline __cpuidle void arch_safe_halt(void)
{
	native_safe_halt();
}


static inline __cpuidle void halt(void)
{
	native_halt();
}


static __always_inline unsigned long arch_local_irq_save(void)
{
	unsigned long flags = arch_local_save_flags();
	arch_local_irq_disable();
	return flags;
}
#else

#ifdef CONFIG_X86_64
#ifdef CONFIG_DEBUG_ENTRY
#define SAVE_FLAGS		pushfq; popq %rax
#endif

#endif

#endif 
#endif 

#ifndef __ASSEMBLY__
static __always_inline int arch_irqs_disabled_flags(unsigned long flags)
{
	return !(flags & X86_EFLAGS_IF);
}

static __always_inline int arch_irqs_disabled(void)
{
	unsigned long flags = arch_local_save_flags();

	return arch_irqs_disabled_flags(flags);
}

static __always_inline void arch_local_irq_restore(unsigned long flags)
{
	if (!arch_irqs_disabled_flags(flags))
		arch_local_irq_enable();
}
#endif 

#endif
