1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Logging support
4 *
5 * Copyright (c) 2017 Google, Inc
6 * Written by Simon Glass <sjg@chromium.org>
7 */
8
9 #include <common.h>
10 #include <log.h>
11 #include <asm/global_data.h>
12
13 DECLARE_GLOBAL_DATA_PTR;
14
log_console_emit(struct log_device * ldev,struct log_rec * rec)15 static int log_console_emit(struct log_device *ldev, struct log_rec *rec)
16 {
17 int fmt = gd->log_fmt;
18
19 /*
20 * The output format is designed to give someone a fighting chance of
21 * figuring out which field is which:
22 * - level is in CAPS
23 * - cat is lower case and ends with comma
24 * - file normally has a .c extension and ends with a colon
25 * - line is integer and ends with a -
26 * - function is an identifier and ends with ()
27 * - message has a space before it unless it is on its own
28 */
29 if (fmt & BIT(LOGF_LEVEL))
30 printf("%s.", log_get_level_name(rec->level));
31 if (fmt & BIT(LOGF_CAT))
32 printf("%s,", log_get_cat_name(rec->cat));
33 if (fmt & BIT(LOGF_FILE))
34 printf("%s:", rec->file);
35 if (fmt & BIT(LOGF_LINE))
36 printf("%d-", rec->line);
37 if (fmt & BIT(LOGF_FUNC))
38 printf("%s()", rec->func);
39 if (fmt & BIT(LOGF_MSG))
40 printf("%s%s", fmt != BIT(LOGF_MSG) ? " " : "", rec->msg);
41
42 return 0;
43 }
44
45 LOG_DRIVER(console) = {
46 .name = "console",
47 .emit = log_console_emit,
48 .flags = LOGDF_ENABLE,
49 };
50