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