389 lines
15 KiB
C
389 lines
15 KiB
C
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/*
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* EVENT_LOG system definitions
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*
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* Copyright (C) 1999-2017, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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*
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* <<Broadcom-WL-IPTag/Open:>>
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*
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* $Id: event_log.h 711908 2017-07-20 10:37:34Z $
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*/
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#ifndef _EVENT_LOG_H_
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#define _EVENT_LOG_H_
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#include <typedefs.h>
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#include <event_log_set.h>
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#include <event_log_tag.h>
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#include <event_log_payload.h>
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#include <osl_decl.h>
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/* logstrs header */
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#define LOGSTRS_MAGIC 0x4C4F4753
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#define LOGSTRS_VERSION 0x1
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/* We make sure that the block size will fit in a single packet
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* (allowing for a bit of overhead on each packet
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*/
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#define EVENT_LOG_MAX_BLOCK_SIZE 1400
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#define EVENT_LOG_WL_BLOCK_SIZE 0x200
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#define EVENT_LOG_PSM_BLOCK_SIZE 0x200
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#define EVENT_LOG_BUS_BLOCK_SIZE 0x200
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#define EVENT_LOG_ERROR_BLOCK_SIZE 0x200
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/* Maximum event log record payload size = 1024 bytes or 256 words. */
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#define EVENT_LOG_MAX_RECORD_PAYLOAD_SIZE 256
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/*
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* There are multiple levels of objects define here:
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* event_log_set - a set of buffers
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* event log groups - every event log call is part of just one. All
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* event log calls in a group are handled the
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* same way. Each event log group is associated
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* with an event log set or is off.
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*/
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#ifndef __ASSEMBLER__
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/* On the external system where the dumper is we need to make sure
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* that these types are the same size as they are on the ARM the
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* produced them
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*/
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#ifdef EVENT_LOG_DUMPER
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#define _EL_BLOCK_PTR uint32
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#define _EL_TYPE_PTR uint32
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#define _EL_SET_PTR uint32
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#define _EL_TOP_PTR uint32
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#else
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#define _EL_BLOCK_PTR struct event_log_block *
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#define _EL_TYPE_PTR uint32 *
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#define _EL_SET_PTR struct event_log_set **
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#define _EL_TOP_PTR struct event_log_top *
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#endif /* EVENT_LOG_DUMPER */
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/* Event log sets (a logical circurlar buffer) consist of one or more
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* event_log_blocks. The blocks themselves form a logical circular
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* list. The log entries are placed in each event_log_block until it
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* is full. Logging continues with the next event_log_block in the
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* event_set until the last event_log_block is reached and then
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* logging starts over with the first event_log_block in the
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* event_set.
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*/
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typedef struct event_log_block {
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_EL_BLOCK_PTR next_block;
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_EL_BLOCK_PTR prev_block;
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_EL_TYPE_PTR end_ptr;
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/* Start of packet sent for log tracing */
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uint16 pktlen; /* Size of rest of block */
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uint16 count; /* Logtrace counter */
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uint32 extra_hdr_info; /* LSB: 6 bits set id. MSB 24 bits reserved */
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uint32 event_logs;
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} event_log_block_t;
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#define EVENT_LOG_BLOCK_HDRLEN 8 /* pktlen 2 + count 2 + extra_hdr_info 4 */
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#define NAN_EVENT_LOG_MIN_LENGTH 2 /* Minimum length of Nan event */
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typedef enum {
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SET_DESTINATION_INVALID = -1,
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SET_DESTINATION_HOST = 0,
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SET_DESTINATION_NONE = 1,
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SET_DESTINATION_MAX
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} event_log_set_destination_t;
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/* There can be multiple event_sets with each logging a set of
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* associated events (i.e, "fast" and "slow" events).
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*/
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typedef struct event_log_set {
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_EL_BLOCK_PTR first_block; /* Pointer to first event_log block */
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_EL_BLOCK_PTR last_block; /* Pointer to last event_log block */
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_EL_BLOCK_PTR logtrace_block; /* next block traced */
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_EL_BLOCK_PTR cur_block; /* Pointer to current event_log block */
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_EL_TYPE_PTR cur_ptr; /* Current event_log pointer */
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uint32 blockcount; /* Number of blocks */
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uint16 logtrace_count; /* Last count for logtrace */
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uint16 blockfill_count; /* Fill count for logtrace */
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uint32 timestamp; /* Last timestamp event */
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uint32 cyclecount; /* Cycles at last timestamp event */
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event_log_set_destination_t destination;
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uint16 size; /* same size for all buffers in one set */
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} event_log_set_t;
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/* Top data structure for access to everything else */
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typedef struct event_log_top {
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uint32 magic;
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#define EVENT_LOG_TOP_MAGIC 0x474C8669 /* 'EVLG' */
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uint32 version;
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#define EVENT_LOG_VERSION 1
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uint32 num_sets;
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uint32 logstrs_size; /* Size of lognums + logstrs area */
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uint32 timestamp; /* Last timestamp event */
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uint32 cyclecount; /* Cycles at last timestamp event */
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_EL_SET_PTR sets; /* Ptr to array of <num_sets> set ptrs */
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} event_log_top_t;
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/* Data structure of Keeping the Header from logstrs.bin */
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typedef struct {
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uint32 logstrs_size; /* Size of the file */
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uint32 rom_lognums_offset; /* Offset to the ROM lognum */
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uint32 ram_lognums_offset; /* Offset to the RAM lognum */
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uint32 rom_logstrs_offset; /* Offset to the ROM logstr */
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uint32 ram_logstrs_offset; /* Offset to the RAM logstr */
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/* Keep version and magic last since "header" is appended to the end of logstrs file. */
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uint32 version; /* Header version */
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uint32 log_magic; /* MAGIC number for verification 'LOGS' */
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} logstr_header_t;
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/*
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* Use the following macros for generating log events.
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*
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* The FAST versions check the enable of the tag before evaluating the arguments and calling the
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* event_log function. This adds 5 instructions. The COMPACT versions evaluate the arguments
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* and call the event_log function unconditionally. The event_log function will then skip logging
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* if this tag is disabled.
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*
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* To support easy usage of existing debugging (e.g. msglevel) via macro re-definition there are
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* two variants of these macros to help.
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*
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* First there are the CAST versions. The event_log function normally logs uint32 values or else
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* they have to be cast to uint32. The CAST versions blindly cast for you so you don't have to edit
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* any existing code.
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*
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* Second there are the PAREN_ARGS versions. These expect the logging format string and arguments
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* to be enclosed in parentheses. This allows us to make the following mapping of an existing
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* msglevel macro:
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* #define WL_ERROR(args) EVENT_LOG_CAST_PAREN_ARGS(EVENT_LOG_TAG_WL_ERROR, args)
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*
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* The versions of the macros without FAST or COMPACT in their name are just synonyms for the
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* COMPACT versions.
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*
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* You should use the COMPACT macro (or its synonym) in cases where there is some preceding logic
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* that prevents the execution of the macro, e.g. WL_ERROR by definition rarely gets executed.
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* Use the FAST macro in performance sensitive paths. The key concept here is that you should be
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* assuming that your macro usage is compiled into ROM and can't be changed ... so choose wisely.
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*
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*/
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#if !defined(EVENT_LOG_DUMPER) && !defined(DHD_EFI)
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#ifndef EVENT_LOG_COMPILE
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/* Null define if no tracing */
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#define EVENT_LOG(format, ...)
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#define EVENT_LOG_FAST(tag, fmt, ...)
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#define EVENT_LOG_COMPACT(tag, fmt, ...)
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#define EVENT_LOG_CAST(tag, fmt, ...)
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#define EVENT_LOG_FAST_CAST(tag, fmt, ...)
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#define EVENT_LOG_COMPACT_CAST(tag, fmt, ...)
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#define EVENT_LOG_CAST_PAREN_ARGS(tag, pargs)
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#define EVENT_LOG_FAST_CAST_PAREN_ARGS(tag, pargs)
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#define EVENT_LOG_COMPACT_CAST_PAREN_ARGS(tag, pargs)
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#define EVENT_LOG_IS_ON(tag) 0
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#define EVENT_LOG_IS_LOG_ON(tag) 0
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#define EVENT_LOG_BUFFER(tag, buf, size)
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#else /* EVENT_LOG_COMPILE */
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/* The first few are special because they can be done more efficiently
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* this way and they are the common case. Once there are too many
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* parameters the code size starts to be an issue and a loop is better
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*/
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#define _EVENT_LOG0(tag, fmt_num) \
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event_log0(tag, fmt_num)
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#define _EVENT_LOG1(tag, fmt_num, t1) \
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event_log1(tag, fmt_num, t1)
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#define _EVENT_LOG2(tag, fmt_num, t1, t2) \
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event_log2(tag, fmt_num, t1, t2)
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#define _EVENT_LOG3(tag, fmt_num, t1, t2, t3) \
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event_log3(tag, fmt_num, t1, t2, t3)
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#define _EVENT_LOG4(tag, fmt_num, t1, t2, t3, t4) \
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event_log4(tag, fmt_num, t1, t2, t3, t4)
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/* The rest call the generic routine that takes a count */
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#define _EVENT_LOG5(tag, fmt_num, ...) event_logn(5, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG6(tag, fmt_num, ...) event_logn(6, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG7(tag, fmt_num, ...) event_logn(7, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG8(tag, fmt_num, ...) event_logn(8, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG9(tag, fmt_num, ...) event_logn(9, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOGA(tag, fmt_num, ...) event_logn(10, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOGB(tag, fmt_num, ...) event_logn(11, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOGC(tag, fmt_num, ...) event_logn(12, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOGD(tag, fmt_num, ...) event_logn(13, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOGE(tag, fmt_num, ...) event_logn(14, tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOGF(tag, fmt_num, ...) event_logn(15, tag, fmt_num, __VA_ARGS__)
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/* Casting low level macros */
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#define _EVENT_LOG_CAST0(tag, fmt_num) \
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event_log0(tag, fmt_num)
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#define _EVENT_LOG_CAST1(tag, fmt_num, t1) \
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event_log1(tag, fmt_num, (uint32)(t1))
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#define _EVENT_LOG_CAST2(tag, fmt_num, t1, t2) \
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event_log2(tag, fmt_num, (uint32)(t1), (uint32)(t2))
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#define _EVENT_LOG_CAST3(tag, fmt_num, t1, t2, t3) \
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event_log3(tag, fmt_num, (uint32)(t1), (uint32)(t2), (uint32)(t3))
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#define _EVENT_LOG_CAST4(tag, fmt_num, t1, t2, t3, t4) \
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event_log4(tag, fmt_num, (uint32)(t1), (uint32)(t2), (uint32)(t3), (uint32)(t4))
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/* The rest call the generic routine that takes a count */
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#define _EVENT_LOG_CAST5(tag, fmt_num, ...) _EVENT_LOG5(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CAST6(tag, fmt_num, ...) _EVENT_LOG6(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CAST7(tag, fmt_num, ...) _EVENT_LOG7(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CAST8(tag, fmt_num, ...) _EVENT_LOG8(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CAST9(tag, fmt_num, ...) _EVENT_LOG9(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CASTA(tag, fmt_num, ...) _EVENT_LOGA(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CASTB(tag, fmt_num, ...) _EVENT_LOGB(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CASTC(tag, fmt_num, ...) _EVENT_LOGC(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CASTD(tag, fmt_num, ...) _EVENT_LOGD(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CASTE(tag, fmt_num, ...) _EVENT_LOGE(tag, fmt_num, __VA_ARGS__)
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#define _EVENT_LOG_CASTF(tag, fmt_num, ...) _EVENT_LOGF(tag, fmt_num, __VA_ARGS__)
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/* Hack to make the proper routine call when variadic macros get
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* passed. Note the max of 15 arguments. More than that can't be
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* handled by the event_log entries anyways so best to catch it at compile
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* time
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*/
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#define _EVENT_LOG_VA_NUM_ARGS(F, _1, _2, _3, _4, _5, _6, _7, _8, _9, \
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_A, _B, _C, _D, _E, _F, N, ...) F ## N
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/* cast = _EVENT_LOG for no casting
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* cast = _EVENT_LOG_CAST for casting of fmt arguments to uint32.
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* Only first 4 arguments are casted to uint32. event_logn() is called
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* if more than 4 arguments are present. This function internally assumes
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* all arguments are uint32
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*/
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#define _EVENT_LOG(cast, tag, fmt, ...) \
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static char logstr[] __attribute__ ((section(".logstrs"))) = fmt; \
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static uint32 fmtnum __attribute__ ((section(".lognums"))) = (uint32) &logstr; \
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_EVENT_LOG_VA_NUM_ARGS(cast, ##__VA_ARGS__, \
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F, E, D, C, B, A, 9, 8, \
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7, 6, 5, 4, 3, 2, 1, 0) \
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(tag, (int) &fmtnum , ## __VA_ARGS__)
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#define EVENT_LOG_FAST(tag, fmt, ...) \
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do { \
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if (event_log_tag_sets != NULL) { \
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uint8 tag_flag = *(event_log_tag_sets + tag); \
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if ((tag_flag & ~EVENT_LOG_TAG_FLAG_SET_MASK) != 0) { \
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_EVENT_LOG(_EVENT_LOG, tag, fmt , ## __VA_ARGS__); \
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} \
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} \
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} while (0)
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#define EVENT_LOG_COMPACT(tag, fmt, ...) \
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do { \
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_EVENT_LOG(_EVENT_LOG, tag, fmt , ## __VA_ARGS__); \
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} while (0)
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/* Event log macro with casting to uint32 of arguments */
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#define EVENT_LOG_FAST_CAST(tag, fmt, ...) \
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do { \
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if (event_log_tag_sets != NULL) { \
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uint8 tag_flag = *(event_log_tag_sets + tag); \
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if ((tag_flag & ~EVENT_LOG_TAG_FLAG_SET_MASK) != 0) { \
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_EVENT_LOG(_EVENT_LOG_CAST, tag, fmt , ## __VA_ARGS__); \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#define EVENT_LOG_COMPACT_CAST(tag, fmt, ...) \
|
||
|
|
do { \
|
||
|
|
_EVENT_LOG(_EVENT_LOG_CAST, tag, fmt , ## __VA_ARGS__); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
|
||
|
|
#define EVENT_LOG(tag, fmt, ...) EVENT_LOG_COMPACT(tag, fmt , ## __VA_ARGS__)
|
||
|
|
|
||
|
|
#define EVENT_LOG_CAST(tag, fmt, ...) EVENT_LOG_COMPACT_CAST(tag, fmt , ## __VA_ARGS__)
|
||
|
|
|
||
|
|
#define _EVENT_LOG_REMOVE_PAREN(...) __VA_ARGS__
|
||
|
|
#define EVENT_LOG_REMOVE_PAREN(args) _EVENT_LOG_REMOVE_PAREN args
|
||
|
|
|
||
|
|
#define EVENT_LOG_CAST_PAREN_ARGS(tag, pargs) \
|
||
|
|
EVENT_LOG_CAST(tag, EVENT_LOG_REMOVE_PAREN(pargs))
|
||
|
|
|
||
|
|
#define EVENT_LOG_FAST_CAST_PAREN_ARGS(tag, pargs) \
|
||
|
|
EVENT_LOG_FAST_CAST(tag, EVENT_LOG_REMOVE_PAREN(pargs))
|
||
|
|
|
||
|
|
#define EVENT_LOG_COMPACT_CAST_PAREN_ARGS(tag, pargs) \
|
||
|
|
EVENT_LOG_COMPACT_CAST(tag, EVENT_LOG_REMOVE_PAREN(pargs))
|
||
|
|
|
||
|
|
/* Minimal event logging. Event log internally calls event_logx()
|
||
|
|
* log return address in caller.
|
||
|
|
* Note that the if(0){..} below is to avoid compiler warnings
|
||
|
|
* due to unused variables caused by this macro
|
||
|
|
*/
|
||
|
|
#define EVENT_LOG_RA(tag, args) \
|
||
|
|
do { \
|
||
|
|
if (0) { \
|
||
|
|
EVENT_LOG_COMPACT_CAST_PAREN_ARGS(tag, args); \
|
||
|
|
} \
|
||
|
|
event_log_caller_return_address(tag); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#define EVENT_LOG_IS_LOG_ON(tag) (*(event_log_tag_sets + (tag)) & EVENT_LOG_TAG_FLAG_LOG)
|
||
|
|
|
||
|
|
#define EVENT_DUMP event_log_buffer
|
||
|
|
|
||
|
|
extern uint8 *event_log_tag_sets;
|
||
|
|
|
||
|
|
extern int event_log_init(osl_t *osh);
|
||
|
|
extern int event_log_set_init(osl_t *osh, int set_num, int size);
|
||
|
|
extern int event_log_set_expand(osl_t *osh, int set_num, int size);
|
||
|
|
extern int event_log_set_shrink(osl_t *osh, int set_num, int size);
|
||
|
|
|
||
|
|
extern int event_log_tag_start(int tag, int set_num, int flags);
|
||
|
|
extern int event_log_tag_stop(int tag);
|
||
|
|
|
||
|
|
typedef void (*event_log_logtrace_trigger_fn_t)(void *ctx);
|
||
|
|
void event_log_set_logtrace_trigger_fn(event_log_logtrace_trigger_fn_t fn, void *ctx);
|
||
|
|
|
||
|
|
event_log_top_t *event_log_get_top(void);
|
||
|
|
|
||
|
|
extern int event_log_get(int set_num, int buflen, void *buf);
|
||
|
|
|
||
|
|
extern uint8 *event_log_next_logtrace(int set_num);
|
||
|
|
|
||
|
|
extern void event_log0(int tag, int fmtNum);
|
||
|
|
extern void event_log1(int tag, int fmtNum, uint32 t1);
|
||
|
|
extern void event_log2(int tag, int fmtNum, uint32 t1, uint32 t2);
|
||
|
|
extern void event_log3(int tag, int fmtNum, uint32 t1, uint32 t2, uint32 t3);
|
||
|
|
extern void event_log4(int tag, int fmtNum, uint32 t1, uint32 t2, uint32 t3, uint32 t4);
|
||
|
|
extern void event_logn(int num_args, int tag, int fmtNum, ...);
|
||
|
|
|
||
|
|
extern void event_log_time_sync(uint32 ms);
|
||
|
|
extern void event_log_buffer(int tag, uint8 *buf, int size);
|
||
|
|
extern void event_log_caller_return_address(int tag);
|
||
|
|
extern int event_log_set_destination_set(int set, event_log_set_destination_t dest);
|
||
|
|
extern event_log_set_destination_t event_log_set_destination_get(int set);
|
||
|
|
|
||
|
|
#endif /* EVENT_LOG_DUMPER */
|
||
|
|
|
||
|
|
#endif /* EVENT_LOG_COMPILE */
|
||
|
|
|
||
|
|
#endif /* __ASSEMBLER__ */
|
||
|
|
|
||
|
|
#endif /* _EVENT_LOG_H_ */
|