From: Ben Gras <ben@minix3.org>
Date: Tue, 20 Jun 2006 09:50:26 +0000 (+0000)
Subject: Move bitmap manipulation macros to <minix/bitmap.h>
X-Git-Tag: v3.1.3~322
X-Git-Url: http://zhaoyanbai.com/repos/%22/xml/v3/zones/static/mdoc.3.ps?a=commitdiff_plain;h=831bc7ecd1718a0a0dd4f7b9af52604fd377b9df;p=minix.git

Move bitmap manipulation macros to <minix/bitmap.h>
---

diff --git a/kernel/const.h b/kernel/const.h
index 1c5bc88ee..af4b7c95d 100755
--- a/kernel/const.h
+++ b/kernel/const.h
@@ -7,6 +7,8 @@
 #include <ibm/bios.h>		/* BIOS addresses, sizes and magic numbers */
 #include <ibm/cpu.h>		/* BIOS addresses, sizes and magic numbers */
 #include <minix/config.h>
+#include <minix/bitmap.h>
+
 #include "config.h"
 
 /* To translate an address in kernel space to a physical address.  This is
@@ -34,15 +36,6 @@
 /* Number of random sources */
 #define RANDOM_SOURCES	16
 
-/* Constants and macros for bit map manipulation. */
-#define BITCHUNK_BITS   (sizeof(bitchunk_t) * CHAR_BIT)
-#define BITMAP_CHUNKS(nr_bits) (((nr_bits)+BITCHUNK_BITS-1)/BITCHUNK_BITS)  
-#define MAP_CHUNK(map,bit) (map)[((bit)/BITCHUNK_BITS)]
-#define CHUNK_OFFSET(bit) ((bit)%BITCHUNK_BITS))
-#define GET_BIT(map,bit) ( MAP_CHUNK(map,bit) & (1 << CHUNK_OFFSET(bit) )
-#define SET_BIT(map,bit) ( MAP_CHUNK(map,bit) |= (1 << CHUNK_OFFSET(bit) )
-#define UNSET_BIT(map,bit) ( MAP_CHUNK(map,bit) &= ~(1 << CHUNK_OFFSET(bit) )
-
 #define get_sys_bit(map,bit) \
 	( MAP_CHUNK(map.chunk,bit) & (1 << CHUNK_OFFSET(bit) )
 #define set_sys_bit(map,bit) \