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 bool add_space = false;
19
20 /*
21 * The output format is designed to give someone a fighting chance of
22 * figuring out which field is which:
23 * - level is in CAPS
24 * - cat is lower case and ends with comma
25 * - file normally has a .c extension and ends with a colon
26 * - line is integer and ends with a -
27 * - function is an identifier and ends with ()
28 * - message has a space before it unless it is on its own
29 */
30 if (!(rec->flags & LOGRECF_CONT) && fmt != BIT(LOGF_MSG)) {
31 add_space = true;
32 if (fmt & BIT(LOGF_LEVEL))
33 printf("%s.", log_get_level_name(rec->level));
34 if (fmt & BIT(LOGF_CAT))
35 printf("%s,", log_get_cat_name(rec->cat));
36 if (fmt & BIT(LOGF_FILE))
37 printf("%s:", rec->file);
38 if (fmt & BIT(LOGF_LINE))
39 printf("%d-", rec->line);
40 if (fmt & BIT(LOGF_FUNC))
41 printf("%*s()", CONFIG_LOGF_FUNC_PAD, rec->func);
42 }
43 if (fmt & BIT(LOGF_MSG))
44 printf("%s%s", add_space ? " " : "", rec->msg);
45
46 return 0;
47 }
48
49 LOG_DRIVER(console) = {
50 .name = "console",
51 .emit = log_console_emit,
52 .flags = LOGDF_ENABLE,
53 };
54