It is painful to specify the full path to the device tree with the -d option. It is normally kept in the same directory as U-Boot, so provide an option to use this by default.

Signed-off-by: Simon Glass sjg@chromium.org ---

arch/sandbox/cpu/start.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)

diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c index 42353d8..097f29a 100644 --- a/arch/sandbox/cpu/start.c +++ b/arch/sandbox/cpu/start.c @@ -6,6 +6,7 @@ #include <common.h> #include <os.h> #include <cli.h> +#include <malloc.h> #include <asm/getopt.h> #include <asm/io.h> #include <asm/sections.h> @@ -102,6 +103,25 @@ static int sandbox_cmdline_cb_fdt(struct sandbox_state *state, const char *arg) } SANDBOX_CMDLINE_OPT_SHORT(fdt, 'd', 1, "Specify U-Boot's control FDT");

+static int sandbox_cmdline_cb_default_fdt(struct sandbox_state *state, + const char *arg) +{ + const char *fmt = "%s.dtb"; + char *fname; + int len; + + len = strlen(state->argv[0]) + strlen(fmt) + 1; + fname = os_malloc(len); + if (!fname) + return -ENOMEM; + snprintf(fname, len, fmt, state->argv[0]); + state->fdt_fname = fname; + + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(default_fdt, 'D', 0, + "Use the default u-boot.dtb control FDT in U-Boot directory"); + static int sandbox_cmdline_cb_interactive(struct sandbox_state *state, const char *arg) {