diff options
author | Tom Rini <trini@konsulko.com> | 2017-05-18 17:03:07 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2017-06-05 14:13:03 -0400 |
commit | be1b8679ce42fef803076e2290e2c6459588c999 (patch) | |
tree | e0a4c4172ea8eb4e21da0bc5f950cfb47b766b2c /cmd/elf.c | |
parent | aef5b738c97995fca9f39855ce0668cc28b71757 (diff) |
cmd/elf.c: Support passing arguments with bootelf
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>
Diffstat (limited to 'cmd/elf.c')
-rw-r--r-- | cmd/elf.c | 34 |
1 files changed, 17 insertions, 17 deletions
@@ -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" |