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
70
71
72
73
74
75
|
/*
* MFILL Shell Command Implmentation
*
* Author: Fernando RUIZ CASAS
* Work: fernando.ruiz@ctv.es
* Home: correo@fernando-ruiz.com
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <rtems.h>
#include <rtems/shell.h>
#include <rtems/stringto.h>
#include "internal.h"
static int rtems_shell_main_mfill(
int argc,
char *argv[]
)
{
unsigned long tmp;
void *addr;
size_t size;
unsigned char value;
if ( argc != 4 ) {
fprintf(stderr,"%s: too few arguments\n", argv[0]);
return -1;
}
/*
* Convert arguments into numbers
*/
if ( rtems_string_to_pointer(argv[1], &addr, NULL) ) {
printf( "Address argument (%s) is not a number\n", argv[1] );
return -1;
}
if ( rtems_string_to_unsigned_long(argv[2], &tmp, NULL, 0) ) {
printf( "Size argument (%s) is not a number\n", argv[2] );
return -1;
}
size = (size_t) tmp;
if ( rtems_string_to_unsigned_char(argv[3], &value, NULL, 0) ) {
printf( "Value argument (%s) is not a number\n", argv[3] );
return -1;
}
/*
* Now fill the memory.
*/
memset(addr, value, size);
return 0;
}
rtems_shell_cmd_t rtems_shell_MFILL_Command = {
"mfill", /* name */
"mfill address size value", /* usage */
"mem", /* topic */
rtems_shell_main_mfill, /* command */
NULL, /* alias */
NULL /* next */
};
|
