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sandbox: Add a -D option to use a default device tree 

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>
This commit is contained in:
Simon Glass 2015-01-19 20:21:34 -07:00
parent 3b4a7f99c9
commit 1f32ae9578
1 changed files with 20 additions and 0 deletions
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20
arch/sandbox/cpu/start.c
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@ -6,6 +6,7 @@
#include <common.h> #include <common.h>
#include <os.h> #include <os.h>
#include <cli.h> #include <cli.h>
#include <malloc.h>
#include <asm/getopt.h> #include <asm/getopt.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/sections.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"); 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, static int sandbox_cmdline_cb_interactive(struct sandbox_state *state,
const char *arg) const char *arg)
{ {