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https://github.com/brain-hackers/u-boot-brain
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b45203004e
At present there is no way to disable a log driver. But the syslog driver causes (attempted) network traffic in sandbox every time a log message is printed, which is often. Add a flag to enable a log driver. Adjust struct log_device to use a short for next_filter_num so that no more memory is used for devices. Also fix a missing line in the struct log_driver comment while here. To maintain compatibility, enable it for all drivers for now. Signed-off-by: Simon Glass <sjg@chromium.org>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Logging support
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*
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* Copyright (c) 2017 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <log.h>
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DECLARE_GLOBAL_DATA_PTR;
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static int log_console_emit(struct log_device *ldev, struct log_rec *rec)
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{
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int fmt = gd->log_fmt;
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/*
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* The output format is designed to give someone a fighting chance of
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* figuring out which field is which:
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* - level is in CAPS
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* - cat is lower case and ends with comma
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* - file normally has a .c extension and ends with a colon
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* - line is integer and ends with a -
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* - function is an identifier and ends with ()
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* - message has a space before it unless it is on its own
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*/
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if (fmt & BIT(LOGF_LEVEL))
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printf("%s.", log_get_level_name(rec->level));
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if (fmt & BIT(LOGF_CAT))
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printf("%s,", log_get_cat_name(rec->cat));
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if (fmt & BIT(LOGF_FILE))
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printf("%s:", rec->file);
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if (fmt & BIT(LOGF_LINE))
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printf("%d-", rec->line);
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if (fmt & BIT(LOGF_FUNC))
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printf("%s()", rec->func);
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if (fmt & BIT(LOGF_MSG))
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printf("%s%s", fmt != BIT(LOGF_MSG) ? " " : "", rec->msg);
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return 0;
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}
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LOG_DRIVER(console) = {
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.name = "console",
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.emit = log_console_emit,
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.flags = LOGDF_ENABLE,
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};
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