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cmd_bmp.c: add standard subcommand handling

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Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Acked-by: Detlev Zundel <dzu@denx.de>
This commit is contained in:
Frans Meulenbroeks 2010-03-27 11:16:10 +01:00 committed by Wolfgang Denk
parent f852a0c3bf
commit 9acd4f0e91
1 changed files with 57 additions and 26 deletions
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83
common/cmd_bmp.c
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@ -90,6 +90,54 @@ bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp)
}
#endif
static int do_bmp_info(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
ulong addr;
switch (argc) {
case 1: /* use load_addr as default address */
addr = load_addr;
break;
case 2: /* use argument */
addr = simple_strtoul(argv[1], NULL, 16);
break;
default:
cmd_usage(cmdtp);
return 1;
}
return (bmp_info(addr));
}
static int do_bmp_display(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
ulong addr;
int x = 0, y = 0;
switch (argc) {
case 1: /* use load_addr as default address */
addr = load_addr;
break;
case 2: /* use argument */
addr = simple_strtoul(argv[1], NULL, 16);
break;
case 4:
addr = simple_strtoul(argv[1], NULL, 16);
x = simple_strtoul(argv[2], NULL, 10);
y = simple_strtoul(argv[3], NULL, 10);
break;
default:
cmd_usage(cmdtp);
return 1;
}
return (bmp_display(addr, x, y));
}
static cmd_tbl_t cmd_bmp_sub[] = {
U_BOOT_CMD_MKENT(info, 3, 0, do_bmp_info, "", ""),
U_BOOT_CMD_MKENT(display, 5, 0, do_bmp_display, "", ""),
};
/*
* Subroutine: do_bmp
@ -101,35 +149,18 @@ bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp)
* Return: None
*
*/
int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
static int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong addr;
int x = 0, y = 0;
cmd_tbl_t *c;
switch (argc) {
case 2: /* use load_addr as default address */
addr = load_addr;
break;
case 3: /* use argument */
addr = simple_strtoul(argv[2], NULL, 16);
break;
case 5:
addr = simple_strtoul(argv[2], NULL, 16);
x = simple_strtoul(argv[3], NULL, 10);
y = simple_strtoul(argv[4], NULL, 10);
break;
default:
cmd_usage(cmdtp);
return 1;
}
/* Strip off leading 'bmp' command argument */
argc--;
argv++;
/* Allow for short names
* Adjust length if more sub-commands get added
*/
if (strncmp(argv[1],"info",1) == 0) {
return (bmp_info(addr));
} else if (strncmp(argv[1],"display",1) == 0) {
return (bmp_display(addr, x, y));
c = find_cmd_tbl(argv[0], &cmd_bmp_sub[0], ARRAY_SIZE(cmd_bmp_sub));
if (c) {
return c->cmd(cmdtp, flag, argc, argv);
} else {
cmd_usage(cmdtp);
return 1;