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int.h

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00001 
00002 /*
00003  Copyright (c) 1992-1993 The Regents of the University of California.
00004  All rights reserved.  See copyright.h for copyright notice and limitation 
00005  of liability and disclaimer of warranty provisions.
00006  */
00007 
00008 #include "copyright.h"
00009 
00010 
00011 #define MEMSIZE (1<<24)
00012 #define memoffset 0x10000000
00013 
00014 /* centralized memory-access primitives */
00015 #define amark(x)        x
00016 #define imark(x)        x
00017 
00018 #define ifetch(addr)    (*(int *)(int) (&(mem-memoffset)[imark(addr)]))
00019 #define fetch(addr)     (*(int *)(int) (&(mem-memoffset)[amark(addr)]))
00020 #define sfetch(addr)    (*(short *)(int) (&(mem-memoffset)[amark(addr)]))
00021 #define usfetch(addr)   (*(unsigned short *)(int)(&(mem-memoffset)[amark(addr)]))
00022 #define cfetch(addr)    (*(char *)(int) (&(mem-memoffset)[amark(addr)]))
00023 #define ucfetch(addr)   (*(unsigned char *)(int)(&(mem-memoffset)[amark(addr)]))
00024 
00025 #define store(addr, i)  \
00026         ((*(int *)(int) (&(mem-memoffset)[amark(addr)]) = (i)))
00027 #define sstore(addr, i) \
00028         ((*(short *)(int) (&(mem-memoffset)[amark(addr)]) = (i)))
00029 #define cstore(addr, i) \
00030         (((mem-memoffset)[amark(addr)] = (i)))
00031
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