LXR uboot/common/log

   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                        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
  49LOG_DRIVER(console) = {
  50        .name   = "console",
  51        .emit   = log_console_emit,
  52        .flags  = LOGDF_ENABLE,
  53};
  54