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