arch/hexagon/include/asm/irqflags.h

Source file repositories/reference/linux-study-clean/arch/hexagon/include/asm/irqflags.h

File Facts

System
Linux kernel
Corpus path
arch/hexagon/include/asm/irqflags.h
Extension
.h
Size
860 bytes
Lines
50
Domain
Architecture Layer
Bucket
arch/hexagon
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H

#include <asm/hexagon_vm.h>
#include <linux/types.h>

static inline unsigned long arch_local_save_flags(void)
{
	return __vmgetie();
}

static inline unsigned long arch_local_irq_save(void)
{
	return __vmsetie(VM_INT_DISABLE);
}

static inline bool arch_irqs_disabled_flags(unsigned long flags)
{
	return !flags;
}

static inline bool arch_irqs_disabled(void)
{
	return !__vmgetie();
}

static inline void arch_local_irq_enable(void)
{
	__vmsetie(VM_INT_ENABLE);
}

static inline void arch_local_irq_disable(void)
{
	__vmsetie(VM_INT_DISABLE);
}

static inline void arch_local_irq_restore(unsigned long flags)
{
	__vmsetie(flags);
}

#endif

Annotation

Implementation Notes