1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* This file is a simple example of an application that could be run
* on top of the monitor.
*
* Cstart():
* The Cstart() function depends on the setting of MONCOMPTR in config.h.
* It demonstrates the use of monConnect and the first mon_XXX function
* typically called by an application, mon_getargv().
*/
#include "monlib.h"
#include "tfs.h"
#include "cfg.h"
extern int main(int, char**);
int Cstart(void)
{
char **argv;
int argc;
/* Connect the application to the monitor. This must be done
* prior to the application making any other attempts to use the
* "mon_" functions provided by the monitor.
*/
monConnect((int(*)())(*(unsigned long *)MONCOMPTR),(void *)0,(void *)0);
/* When the monitor starts up an application, it stores the argument
* list internally. The call to mon_getargv() retrieves the arg list
* for use by this application...
*/
mon_getargv(&argc,&argv);
/* Call main, then exit to monitor.
*/
main(argc,argv);
/* mon_appexit(0); */
/* Won't get here. */
return(0);
}
#if 0
/* CstartAlt():
* Demonstrates the use of the "call -a" command in uMon.
* For example, if for some reason you wanted to do this...
* Load the application then load the symtbl file using
* "make TARGET_IP=1.2.3.4 sym", then issue these commands:
*
* tfs -v ld app
* call -a %CstartAlt one two three
*
* The "call -a" command in uMon correctly sets up the function
* call parameters so that the following function would see 4
* arguments (including arg0), with argv[1] thru argv[3] being
* pointers to each of the number strings (i.e. "one", "two", "three")
* and argv[0] being the ascii-coded-hex address of the function
* CstartAlt.
*/
int
CstartAlt(int argc, char *argv[])
{
monConnect((int(*)())(*(unsigned long *)MONCOMPTR),(void *)0,(void *)0);
main(argc,argv);
mon_appexit(0);
return(0);
}
#endif
|
