xref: /freebsd/stand/ficl/i386/sysdep.c (revision abd87254)
1 /*******************************************************************
2 ** s y s d e p . c
3 ** Forth Inspired Command Language
4 ** Author: John Sadler (john_sadler@alum.mit.edu)
5 ** Created: 16 Oct 1997
6 ** Implementations of FICL external interface functions...
7 **
8 *******************************************************************/
9 
10 
11 #ifdef TESTMAIN
12 #include <stdio.h>
13 #include <stdlib.h>
14 #else
15 #include <stand.h>
16 #endif
17 #include "ficl.h"
18 
19 #include "../x86/sysdep.c"
20 
21 /*
22 *******************  FreeBSD  P O R T   B E G I N S   H E R E ******************** Michael Smith
23 */
24 
25 #if PORTABLE_LONGMULDIV == 0
26 DPUNS ficlLongMul(FICL_UNS x, FICL_UNS y)
27 {
28     DPUNS q;
29     uint64_t qx;
30 
31     qx = (uint64_t)x * (uint64_t) y;
32 
33     q.hi = (uint32_t)( qx >> 32 );
34     q.lo = (uint32_t)( qx & 0xFFFFFFFFL);
35 
36     return q;
37 }
38 
39 UNSQR ficlLongDiv(DPUNS q, FICL_UNS y)
40 {
41     UNSQR result;
42     uint64_t qx, qh;
43 
44     qh = q.hi;
45     qx = (qh << 32) | q.lo;
46 
47     result.quot = qx / y;
48     result.rem  = qx % y;
49 
50     return result;
51 }
52 #endif
53 
54 void  ficlTextOut(FICL_VM *pVM, char *msg, int fNewline)
55 {
56     IGNORE(pVM);
57 
58     while(*msg != 0)
59 	putchar((unsigned char)*(msg++));
60     if (fNewline)
61 	putchar('\n');
62 
63    return;
64 }
65 
66 void *ficlMalloc (size_t size)
67 {
68     return malloc(size);
69 }
70 
71 void *ficlRealloc (void *p, size_t size)
72 {
73     return realloc(p, size);
74 }
75 
76 void  ficlFree   (void *p)
77 {
78     free(p);
79 }
80 
81 
82 /*
83 ** Stub function for dictionary access control - does nothing
84 ** by default, user can redefine to guarantee exclusive dict
85 ** access to a single thread for updates. All dict update code
86 ** is guaranteed to be bracketed as follows:
87 ** ficlLockDictionary(TRUE);
88 ** <code that updates dictionary>
89 ** ficlLockDictionary(FALSE);
90 **
91 ** Returns zero if successful, nonzero if unable to acquire lock
92 ** befor timeout (optional - could also block forever)
93 */
94 #if FICL_MULTITHREAD
95 int ficlLockDictionary(short fLock)
96 {
97 	IGNORE(fLock);
98 	return 0;
99 }
100 #endif /* FICL_MULTITHREAD */
101