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https://github.com/AsahiLinux/u-boot
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a0874dc4ac
Add a new 'cedit' command which allows editing configuration using an expo. The configuration items appear as menus on the display. This is extremely basic, only supporting menus and not providing any way to load or save the configuration. Signed-off-by: Simon Glass <sjg@chromium.org>
93 lines
1.9 KiB
C
93 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* 'cedit' command
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*
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* Copyright 2023 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <command.h>
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#include <expo.h>
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#include <fs.h>
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#include <dm/ofnode.h>
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#include <linux/sizes.h>
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struct expo *cur_exp;
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static int do_cedit_load(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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const char *fname;
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struct expo *exp;
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oftree tree;
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ulong size;
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void *buf;
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int ret;
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if (argc < 4)
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return CMD_RET_USAGE;
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fname = argv[3];
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ret = fs_load_alloc(argv[1], argv[2], argv[3], SZ_1M, 0, &buf, &size);
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if (ret) {
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printf("File not found\n");
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return CMD_RET_FAILURE;
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}
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tree = oftree_from_fdt(buf);
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if (!oftree_valid(tree)) {
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printf("Cannot create oftree\n");
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return CMD_RET_FAILURE;
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}
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ret = expo_build(oftree_root(tree), &exp);
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oftree_dispose(tree);
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if (ret) {
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printf("Failed to build expo: %dE\n", ret);
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return CMD_RET_FAILURE;
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}
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cur_exp = exp;
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return 0;
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}
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static int do_cedit_run(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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ofnode node;
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int ret;
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if (!cur_exp) {
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printf("No expo loaded\n");
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return CMD_RET_FAILURE;
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}
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node = ofnode_path("/cedit-theme");
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if (ofnode_valid(node)) {
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ret = expo_apply_theme(cur_exp, node);
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if (ret)
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return CMD_RET_FAILURE;
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} else {
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log_warning("No theme found\n");
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}
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ret = cedit_run(cur_exp);
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if (ret) {
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log_err("Failed (err=%dE)\n", ret);
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return CMD_RET_FAILURE;
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}
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return 0;
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}
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#ifdef CONFIG_SYS_LONGHELP
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static char cedit_help_text[] =
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"load <interface> <dev[:part]> <filename> - load config editor\n"
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"cedit run - run config editor";
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#endif /* CONFIG_SYS_LONGHELP */
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U_BOOT_CMD_WITH_SUBCMDS(cedit, "Configuration editor", cedit_help_text,
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U_BOOT_SUBCMD_MKENT(load, 5, 1, do_cedit_load),
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U_BOOT_SUBCMD_MKENT(run, 1, 1, do_cedit_run),
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);
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