arch/openrisc/include/asm/bitops.h

Source file repositories/reference/linux-study-clean/arch/openrisc/include/asm/bitops.h

File Facts

System
Linux kernel
Corpus path
arch/openrisc/include/asm/bitops.h
Extension
.h
Size
1289 bytes
Lines
49
Domain
Architecture Layer
Bucket
arch/openrisc
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_OPENRISC_BITOPS_H
#define __ASM_OPENRISC_BITOPS_H

/*
 * Where we haven't written assembly versions yet, we fall back to the
 * generic implementations.  Otherwise, we pull in our (hopefully)
 * optimized versions.
 */

#include <linux/irqflags.h>
#include <linux/compiler.h>
#include <asm/barrier.h>

#include <asm/bitops/__ffs.h>
#include <asm-generic/bitops/ffz.h>
#include <asm/bitops/fls.h>
#include <asm/bitops/__fls.h>
#include <asm-generic/bitops/fls64.h>

#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif

#include <asm-generic/bitops/sched.h>
#include <asm/bitops/ffs.h>
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/lock.h>

#include <asm/bitops/atomic.h>
#include <asm-generic/bitops/non-atomic.h>
#include <asm-generic/bitops/le.h>
#include <asm-generic/bitops/ext2-atomic.h>

#endif /* __ASM_GENERIC_BITOPS_H */

Annotation

Implementation Notes