| /* |
| * Copyright (c) 2017 Google, Inc |
| * Written by Simon Glass <sjg@chromium.org> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #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(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[]) |
| { |
| if (argc > 1) |
| gd->default_log_level = simple_strtol(argv[1], NULL, 10); |
| else |
| printf("Default log level: %d\n", gd->default_log_level); |
| |
| return 0; |
| } |
| |
| static int do_log_format(cmd_tbl_t *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 = LOGF_DEFAULT; |
| } 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 cmd_tbl_t 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, "", ""), |
| }; |
| |
| static int do_log(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| cmd_tbl_t *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', equivalent to 'fm', or 'all' for all" |
| ; |
| #endif |
| |
| U_BOOT_CMD( |
| log, CONFIG_SYS_MAXARGS, 1, do_log, |
| "log system", log_help_text |
| ); |