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
13DECLARE_GLOBAL_DATA_PTR;
14
15static 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			if (CONFIG_IS_ENABLED(USE_TINY_PRINTF)) {
42				printf("%s()", rec->func);
43			} else {
44				printf("%*s()", CONFIG_LOGF_FUNC_PAD,
45				       rec->func);
46			}
47		}
48	}
49	if (fmt & BIT(LOGF_MSG))
50		printf("%s%s", add_space ? " " : "", rec->msg);
51
52	return 0;
53}
54
55LOG_DRIVER(console) = {
56	.name	= "console",
57	.emit	= log_console_emit,
58	.flags	= LOGDF_ENABLE,
59};
60