expo: cedit: Support writing settings to a file
Support writing settings from an expo into a file in FDT format. It
consists of a single node with a two properties for each sceneitem,
one with tag ID chosen by the user and another for its text value.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/cedit.c b/cmd/cedit.c
index e98121b..18cc8ba 100644
--- a/cmd/cedit.c
+++ b/cmd/cedit.c
@@ -7,15 +7,28 @@
*/
#include <common.h>
+#include <abuf.h>
#include <cedit.h>
#include <command.h>
#include <expo.h>
#include <fs.h>
+#include <malloc.h>
+#include <mapmem.h>
#include <dm/ofnode.h>
#include <linux/sizes.h>
struct expo *cur_exp;
+static int check_cur_expo(void)
+{
+ if (!cur_exp) {
+ printf("No expo loaded\n");
+ return -ENOENT;
+ }
+
+ return 0;
+}
+
static int do_cedit_load(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
@@ -54,16 +67,46 @@
return 0;
}
+static int do_cedit_write_fdt(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ const char *fname;
+ struct abuf buf;
+ loff_t bytes;
+ int ret;
+
+ if (argc < 4)
+ return CMD_RET_USAGE;
+ fname = argv[3];
+
+ if (check_cur_expo())
+ return CMD_RET_FAILURE;
+
+ ret = cedit_write_settings(cur_exp, &buf);
+ if (ret) {
+ printf("Failed to write settings: %dE\n", ret);
+ return CMD_RET_FAILURE;
+ }
+
+ if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY))
+ return CMD_RET_FAILURE;
+
+ ret = fs_write(fname, map_to_sysmem(abuf_data(&buf)), 0,
+ abuf_size(&buf), &bytes);
+ if (ret)
+ return CMD_RET_FAILURE;
+
+ return 0;
+}
+
static int do_cedit_run(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
ofnode node;
int ret;
- if (!cur_exp) {
- printf("No expo loaded\n");
+ if (check_cur_expo())
return CMD_RET_FAILURE;
- }
node = ofnode_path("/bootstd/cedit-theme");
if (ofnode_valid(node)) {
@@ -85,10 +128,12 @@
#ifdef CONFIG_SYS_LONGHELP
static char cedit_help_text[] =
"load <interface> <dev[:part]> <filename> - load config editor\n"
+ "cedit write_fdt <i/f> <dev[:part]> <filename> - write settings\n"
"cedit run - run config editor";
#endif /* CONFIG_SYS_LONGHELP */
U_BOOT_CMD_WITH_SUBCMDS(cedit, "Configuration editor", cedit_help_text,
U_BOOT_SUBCMD_MKENT(load, 5, 1, do_cedit_load),
+ U_BOOT_SUBCMD_MKENT(write_fdt, 5, 1, do_cedit_write_fdt),
U_BOOT_SUBCMD_MKENT(run, 1, 1, do_cedit_run),
);