minix/kernel/const.h
2010-03-30 08:34:33 +00:00

35 lines
983 B
C

/* General macros and constants used by the kernel. */
#ifndef CONST_H
#define CONST_H
#include <minix/config.h>
#include <minix/bitmap.h>
#include "config.h"
#include "debug.h"
/* Translate an endpoint number to a process number, return success. */
#define isokendpt(e,p) isokendpt_d((e),(p),0)
#define okendpt(e,p) isokendpt_d((e),(p),1)
/* Constants used in virtual_copy(). Values must be 0 and 1, respectively. */
#define _SRC_ 0
#define _DST_ 1
#define get_sys_bit(map,bit) \
( MAP_CHUNK(map.chunk,bit) & (1 << CHUNK_OFFSET(bit) ))
#define get_sys_bits(map,bit) \
( MAP_CHUNK(map.chunk,bit) )
#define set_sys_bit(map,bit) \
( MAP_CHUNK(map.chunk,bit) |= (1 << CHUNK_OFFSET(bit) ))
#define unset_sys_bit(map,bit) \
( MAP_CHUNK(map.chunk,bit) &= ~(1 << CHUNK_OFFSET(bit) ))
/* args to intr_init() */
#define INTS_ORIG 0 /* restore interrupts */
#define INTS_MINIX 1 /* initialize interrupts for minix */
/* for kputc() */
#define END_OF_KMESS 0
#endif /* CONST_H */