osdep.h

来自「linux下从网卡远程启动」· C头文件 代码 · 共 52 行

#ifndef	ETHERBOOT_OSDEP_H
#define ETHERBOOT_OSDEP_H

#define __unused __attribute__((unused))
#define __aligned __attribute__((aligned(16)))

/* Optimization barrier */
/* The "volatile" is due to gcc bugs */
#define barrier() __asm__ __volatile__("": : :"memory")

#include "stdint.h"
#include "limits.h"
#include "string.h"
#include "io.h"
#include "endian.h"
#include "byteswap.h"
#include "setjmp.h"
#include "latch.h"
#include "hooks.h"

/* We should not depend on any system header files except possibly
 * compiler supplied std c headers.  Copy headers if you need them.
 */
#if defined(FREEBSD_PXEEMU) && 0
#include "/sys/boot/i386/libi386/pxe.h"
#include "/sys/boot/i386/btx/lib/btxv86.h"
#endif



/* within 1MB of 4GB is too close. 
 * MAX_ADDR is the maximum address we can easily do DMA to.
 */
#define MAX_ADDR (0xfff00000UL)

typedef	unsigned long Address;

/* ANSI prototyping macro */
#ifdef	__STDC__
#define	P(x)	x
#else
#define	P(x)	()
#endif

#endif

/*
 * Local variables:
 *  c-basic-offset: 8
 * End:
 */