NetBSD/sys/arch/vax/boot/so.h

58 lines
1.3 KiB
C

/* $NetBSD: so.h,v 1.1 1996/08/02 11:22:41 ragge Exp $ */
#ifndef _SO_H_INCLUDE
#define _SO_H_INCLUDE
/* Definitions for standalone I/O lib */
/* #define SCSI_POLLED 0x200C0080 */
#define SCSI_DMA 0x200D0000
/* Which SCSI device to use by default */
#define DEFAULT_SCSI_ADR 1
#define DEFAULT_SCSI_LUN 0
/* Low level scsi operation codes */
#define DISK_READ 3
#define DISK_WRITE 4
/* The size of a disk block */
#define DBLKSIZE 512
/* Some disk address that will never be used */
#define INSANE_BADDR 0x800000
struct scsi_args {
long ptr [8];
};
#ifndef NULL
#define NULL 0L
#endif
/*
* The next macro defines where the "break" area in memory ends for
* malloc() and friends. The area between edata and this address will
* then be reserved and should not be used for anything else (or you will
* no doubt have big problems). Depending on where your program's end-of-data
* is, you may wish to locate this in such a way as to usurp a minimum
* amount of memory.
*/
#define BREAK_END_ADDR ((char *)0x400000) /* to 4MB */
/* Selectivly enable inline functions */
#ifndef NO_INLINE
#define Inline inline
#else
#define Inline
#endif
extern void fatal(), warn();
extern long ulimit(int, long);
extern int brk(char *);
extern char *sbrk(int);
extern int sc_rdwt();
#endif /* _SO_H_INCLUDE */