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cmd/elf.c: Support passing arguments with bootelf

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The bootelf command could, but does not, pass additional arguments along
on the command line.  Make do_bootelf consume bootelf/flags/address as
needed and then pass along anything else to the ELF application we've
launched.

Reported-by: Thomas Doerfler <thomas.doerfler@embedded-brains.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Tom Rini 2017-05-18 17:03:07 -04:00
parent aef5b738c9
commit be1b8679ce
1 changed files with 17 additions and 17 deletions

34
cmd/elf.c
View file

@ -147,25 +147,25 @@ int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned long addr; /* Address of the ELF image */
unsigned long rc; /* Return value from user code */
char *sload, *saddr;
char *sload = NULL;
const char *ep = getenv("autostart");
int rcode = 0;
sload = saddr = NULL;
if (argc == 3) {
sload = argv[1];
saddr = argv[2];
} else if (argc == 2) {
if (argv[1][0] == '-')
sload = argv[1];
else
saddr = argv[1];
}
/* Consume 'bootelf' */
argc--; argv++;
if (saddr)
addr = simple_strtoul(saddr, NULL, 16);
else
/* Check for flag. */
if (argc >= 1 && (argv[0][0] == '-' && \
(argv[0][1] == 'p' || argv[0][1] == 's'))) {
sload = argv[0];
/* Consume flag. */
argc--; argv++;
}
/* Check for address. */
if (argc >= 1 && strict_strtoul(argv[0], 16, &addr) != -EINVAL) {
/* Consume address */
argc--; argv++;
} else
addr = load_addr;
if (!valid_elf_image(addr))
@ -185,7 +185,7 @@ int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
* pass address parameter as argv[0] (aka command name),
* and all remaining args
*/
rc = do_bootelf_exec((void *)addr, argc - 1, argv + 1);
rc = do_bootelf_exec((void *)addr, argc, argv);
if (rc != 0)
rcode = 1;
@ -385,7 +385,7 @@ int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
}
U_BOOT_CMD(
bootelf, 3, 0, do_bootelf,
bootelf, CONFIG_SYS_MAXARGS, 0, do_bootelf,
"Boot from an ELF image in memory",
"[-p|-s] [address]\n"
"\t- load ELF image at [address] via program headers (-p)\n"