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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2017 Google, Inc
- * Written by Simon Glass <sjg@chromium.org>
- */
- #include <common.h>
- #include <command.h>
- #include <dm.h>
- #include <log.h>
- static char log_fmt_chars[LOGF_COUNT] = "clFLfm";
- static int do_log_level(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const argv[])
- {
- if (argc > 1) {
- long log_level = simple_strtol(argv[1], NULL, 10);
- if (log_level < 0 || log_level > _LOG_MAX_LEVEL) {
- printf("Only log levels <= %d are supported\n",
- _LOG_MAX_LEVEL);
- return CMD_RET_FAILURE;
- }
- gd->default_log_level = log_level;
- } else {
- printf("Default log level: %d\n", gd->default_log_level);
- }
- return 0;
- }
- static int do_log_format(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const argv[])
- {
- int i;
- if (argc > 1) {
- const char *str = argv[1];
- if (!strcmp(str, "default")) {
- gd->log_fmt = log_get_default_format();
- } else if (!strcmp(str, "all")) {
- gd->log_fmt = LOGF_ALL;
- } else {
- gd->log_fmt = 0;
- for (; *str; str++) {
- char *ptr = strchr(log_fmt_chars, *str);
- if (!ptr) {
- printf("Invalid log char '%c'\n", *str);
- return CMD_RET_FAILURE;
- }
- gd->log_fmt |= 1 << (ptr - log_fmt_chars);
- }
- }
- } else {
- printf("Log format: ");
- for (i = 0; i < LOGF_COUNT; i++) {
- if (gd->log_fmt & (1 << i))
- printf("%c", log_fmt_chars[i]);
- }
- printf("\n");
- }
- return 0;
- }
- static int do_log_rec(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const argv[])
- {
- enum log_category_t cat;
- enum log_level_t level;
- const char *file;
- uint line;
- const char *func;
- const char *msg;
- char *end;
- if (argc < 7)
- return CMD_RET_USAGE;
- cat = log_get_cat_by_name(argv[1]);
- level = simple_strtoul(argv[2], &end, 10);
- if (end == argv[2]) {
- level = log_get_level_by_name(argv[2]);
- if (level == LOGL_NONE) {
- printf("Invalid log level '%s'\n", argv[2]);
- return CMD_RET_USAGE;
- }
- }
- if (level >= LOGL_MAX) {
- printf("Invalid log level %u\n", level);
- return CMD_RET_USAGE;
- }
- file = argv[3];
- line = simple_strtoul(argv[4], NULL, 10);
- func = argv[5];
- msg = argv[6];
- if (_log(cat, level, file, line, func, "%s\n", msg))
- return CMD_RET_FAILURE;
- return 0;
- }
- static struct cmd_tbl log_sub[] = {
- U_BOOT_CMD_MKENT(level, CONFIG_SYS_MAXARGS, 1, do_log_level, "", ""),
- #ifdef CONFIG_LOG_TEST
- U_BOOT_CMD_MKENT(test, 2, 1, do_log_test, "", ""),
- #endif
- U_BOOT_CMD_MKENT(format, CONFIG_SYS_MAXARGS, 1, do_log_format, "", ""),
- U_BOOT_CMD_MKENT(rec, CONFIG_SYS_MAXARGS, 1, do_log_rec, "", ""),
- };
- static int do_log(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
- {
- struct cmd_tbl *cp;
- if (argc < 2)
- return CMD_RET_USAGE;
- /* drop initial "log" arg */
- argc--;
- argv++;
- cp = find_cmd_tbl(argv[0], log_sub, ARRAY_SIZE(log_sub));
- if (cp)
- return cp->cmd(cmdtp, flag, argc, argv);
- return CMD_RET_USAGE;
- }
- #ifdef CONFIG_SYS_LONGHELP
- static char log_help_text[] =
- "level - get/set log level\n"
- #ifdef CONFIG_LOG_TEST
- "log test - run log tests\n"
- #endif
- "log format <fmt> - set log output format. <fmt> is a string where\n"
- "\teach letter indicates something that should be displayed:\n"
- "\tc=category, l=level, F=file, L=line number, f=function, m=msg\n"
- "\tor 'default', or 'all' for all\n"
- "log rec <category> <level> <file> <line> <func> <message> - "
- "output a log record"
- ;
- #endif
- U_BOOT_CMD(
- log, CONFIG_SYS_MAXARGS, 1, do_log,
- "log system", log_help_text
- );
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