1 files changed, 93 insertions, 0 deletions
diff --git a/cmd/cedit.c b/cmd/cedit.c
new file mode 100644
index 00000000000..0cae304c4ad
--- /dev/null
+++ b/cmd/cedit.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * 'cedit' command
+ *
+ * Copyright 2023 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <expo.h>
+#include <fs.h>
+#include <dm/ofnode.h>
+#include <linux/sizes.h>
+
+struct expo *cur_exp;
+
+static int do_cedit_load(struct cmd_tbl *cmdtp, int flag, int argc,
+			 char *const argv[])
+{
+	const char *fname;
+	struct expo *exp;
+	oftree tree;
+	ulong size;
+	void *buf;
+	int ret;
+
+	if (argc < 4)
+		return CMD_RET_USAGE;
+	fname = argv[3];
+
+	ret = fs_load_alloc(argv[1], argv[2], argv[3], SZ_1M, 0, &buf, &size);
+	if (ret) {
+		printf("File not found\n");
+		return CMD_RET_FAILURE;
+	}
+
+	tree = oftree_from_fdt(buf);
+	if (!oftree_valid(tree)) {
+		printf("Cannot create oftree\n");
+		return CMD_RET_FAILURE;
+	}
+
+	ret = expo_build(oftree_root(tree), &exp);
+	oftree_dispose(tree);
+	if (ret) {
+		printf("Failed to build expo: %dE\n", ret);
+		return CMD_RET_FAILURE;
+	}
+
+	cur_exp = exp;
+
+	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");
+		return CMD_RET_FAILURE;
+	}
+
+	node = ofnode_path("/cedit-theme");
+	if (ofnode_valid(node)) {
+		ret = expo_apply_theme(cur_exp, node);
+		if (ret)
+			return CMD_RET_FAILURE;
+	} else {
+		log_warning("No theme found\n");
+	}
+	ret = cedit_run(cur_exp);
+	if (ret) {
+		log_err("Failed (err=%dE)\n", ret);
+		return CMD_RET_FAILURE;
+	}
+
+	return 0;
+}
+
+#ifdef CONFIG_SYS_LONGHELP
+static char cedit_help_text[] =
+	"load <interface> <dev[:part]> <filename>   - load config editor\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(run, 1, 1, do_cedit_run),
+);