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