arch/powerpc/boot/types.h

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/types.h

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/types.h
Extension
.h
Size
1012 bytes
Lines
53
Domain
Architecture Layer
Bucket
arch/powerpc
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 _TYPES_H_
#define _TYPES_H_

#include <stdbool.h>

#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))

typedef unsigned char		u8;
typedef unsigned short		u16;
typedef unsigned int		u32;
typedef unsigned long long	u64;
typedef signed char		s8;
typedef short			s16;
typedef int			s32;
typedef long long		s64;

/* required for opal-api.h */
typedef u8  uint8_t;
typedef u16 uint16_t;
typedef u32 uint32_t;
typedef u64 uint64_t;
typedef s8  int8_t;
typedef s16 int16_t;
typedef s32 int32_t;
typedef s64 int64_t;

#define min(x,y) ({ \
	typeof(x) _x = (x);	\
	typeof(y) _y = (y);	\
	(void) (&_x == &_y);	\
	_x < _y ? _x : _y; })

#define max(x,y) ({ \
	typeof(x) _x = (x);	\
	typeof(y) _y = (y);	\
	(void) (&_x == &_y);	\
	_x > _y ? _x : _y; })

#define min_t(type, a, b) min(((type) a), ((type) b))
#define max_t(type, a, b) max(((type) a), ((type) b))

typedef int bool;

#ifndef true
#define true 1
#endif

#ifndef false
#define false 0
#endif
#endif /* _TYPES_H_ */

Annotation

Implementation Notes