These commands are only enabled when the hush shell is enabled and can be useful in scripts such as:
while true do echo "Booting OS..."; run $bootcmd; echo "Booting OS failed"; sleep 10; done
Signed-off-by: Peter Tyser ptyser@xes-inc.com --- This could be added as a hush builtin command if people don't want to pollute the top-level help listing. Its debatable if 'false' should be added also, but I threw it in to be consistent.
common/cmd_test.c | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/common/cmd_test.c b/common/cmd_test.c index 3cdd07b..d886f89 100644 --- a/common/cmd_test.c +++ b/common/cmd_test.c @@ -149,3 +149,25 @@ U_BOOT_CMD( "minimal test like /bin/sh", "[args..]" ); + +int do_false(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + return 1; +} + +U_BOOT_CMD( + false, CONFIG_SYS_MAXARGS, 1, do_false, + "do nothing, unsuccessfully", + NULL +); + +int do_true(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + return 0; +} + +U_BOOT_CMD( + true, CONFIG_SYS_MAXARGS, 1, do_true, + "do nothing, successfully", + NULL +);