u-boot/cmd/cedit.c
Simon Glass 040b04685e expo: Split out cedit into its own header
Before adding more functions to this interface, create a new header for
the configuration editor.

Fix up the expo header guard while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
2023-08-25 13:54:33 -04:00

94 lines
1.9 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* 'cedit' command
*
* Copyright 2023 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <cedit.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),
);