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Let 'go' command interpret filenames. 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2008-08-14 10:26:23 +02:00
parent e133ccdda8
commit aed834904a
1 changed files with 33 additions and 9 deletions
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42
commands/go.c
View File

@ -25,38 +25,62 @@
#include <common.h>
#include <command.h>
#include <fs.h>
#include <fcntl.h>
#include <linux/ctype.h>
#include <errno.h>
static int do_go (cmd_tbl_t *cmdtp, int argc, char *argv[])
{
ulong addr, rc;
int rcode = 0;
void *addr;
int rcode = 1;
int fd = -1;
if (argc < 2) {
u_boot_cmd_usage(cmdtp);
return 1;
}
addr = simple_strtoul(argv[1], NULL, 16);
if (!isdigit(*argv[1])) {
fd = open(argv[1], O_RDONLY);
if (fd < 0) {
perror("open");
goto out;
}
addr = memmap(fd, PROT_READ);
if (addr == (void *)-1) {
perror("memmap");
goto out;
}
} else
addr = (void *)simple_strtoul(argv[1], NULL, 16);
printf ("## Starting application at 0x%08lX ...\n", addr);
#ifdef ARCH_HAS_EXECUTE
rc = arch_execute(addr, argc, &argv[1]);
rcode = arch_execute(addr, argc, &argv[1]);
#else
rc = ((ulong (*)(int, char *[]))addr) (--argc, &argv[1]);
rcode = ((ulong (*)(int, char *[]))addr) (--argc, &argv[1]);
#endif
printf ("## Application terminated, rc = 0x%lX\n", rc);
printf ("## Application terminated, rcode = 0x%lX\n", rcode);
out:
if (fd > 0)
close(fd);
return rcode;
}
static const __maybe_unused char cmd_go_help[] =
"addr [arg ...]\n - start application at address 'addr'\n"
" passing 'arg' as arguments\n";
"Usage: go addr [arg ...]\n"
"Start application at address 'addr' passing 'arg' as arguments.\n"
"If addr does not start with a digit it is interpreted as a filename\n"
"in which case the file is memmapped and executed\n";
U_BOOT_CMD_START(go)
.maxargs = CONFIG_MAXARGS,
.cmd = do_go,
.usage = "start application at address 'addr'",
.usage = "start application at address or file",
U_BOOT_CMD_HELP(cmd_go_help)
U_BOOT_CMD_END