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/* ----------------------------------------------------------------------------
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* Copyright (c) Huawei Technologies Co., Ltd. 2020-2020. All rights reserved.
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* Description: LiteOS Trace Pipeline Implementation
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* Author: Huawei LiteOS Team
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* Create: 2020-03-31
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* --------------------------------------------------------------------------- */
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#include "trace_pipeline.h"
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#include "trace_tlv.h"
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#include "los_trace_pri.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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//·ÀÖ¹»º³åÇøÒç³ö//
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LITE_OS_SEC_BSS SPIN_LOCK_INIT(g_pipeSpin); //³õʼ»¯Ò»¸ö×ÔÐýËø//
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#define PIPE_LOCK(state) LOS_SpinLockSave(&g_pipeSpin, &(state)) //¶Ô×ÔÐýËø¼ÓËø²Ù×÷//
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#define PIPE_UNLOCK(state) LOS_SpinUnlockRestore(&g_pipeSpin, (state)) //¶Ô×ÔÐýËø½âËø²Ù×÷//
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STATIC TlvTable g_traceTlvTblNotify[] = { //¶¨Òå½á¹¹ÌåµÄ³ÉÔ±±äÁ¿ÀàÐͺʹóС//
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{ CMD, LOS_OFF_SET_OF(TraceNotifyFrame, cmd), sizeof(UINT32) },
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{ PARAMS, LOS_OFF_SET_OF(TraceNotifyFrame, param), sizeof(UINT32) },
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{ TRACE_TLV_TYPE_NULL, 0, 0 },
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};
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STATIC TlvTable g_traceTlvTblHead[] = { //¶¨Òå½á¹¹ÌåµÄ³ÉÔ±±äÁ¿ÀàÐͺʹóС//
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{ ENDIAN, LOS_OFF_SET_OF(TraceBaseHeaderInfo, bigLittleEndian), sizeof(UINT32) },
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{ VERSION, LOS_OFF_SET_OF(TraceBaseHeaderInfo, version), sizeof(UINT32) },
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{ CLOCK_FREQ, LOS_OFF_SET_OF(TraceBaseHeaderInfo, clockFreq), sizeof(UINT32) },
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{ TRACE_TLV_TYPE_NULL, 0, 0 },
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};
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STATIC TlvTable g_traceTlvTblObj[] = { //¶¨Òå½á¹¹ÌåµÄ³ÉÔ±±äÁ¿ÀàÐÍ¡¢Æ«ÒÆλÖúʹóС//
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{ ADDR, LOS_OFF_SET_OF(ObjData, id), sizeof(UINT32) },
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{ PRIO, LOS_OFF_SET_OF(ObjData, prio), sizeof(UINT32) },
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{ NAME, LOS_OFF_SET_OF(ObjData, name), sizeof(CHAR) * LOSCFG_TRACE_OBJ_MAX_NAME_SIZE },
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{ TRACE_TLV_TYPE_NULL, 0, 0 },
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};
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STATIC TlvTable g_traceTlvTblEvent[] = { //¶¨Òå½á¹¹ÌåµÄ³ÉÔ±±äÁ¿ÀàÐͺʹóС//
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#ifdef LOSCFG_TRACE_FRAME_CORE_MSG
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{ CORE, LOS_OFF_SET_OF(TraceEventFrame, core), sizeof(UINT32) },
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#endif
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{ EVENT_CODE, LOS_OFF_SET_OF(TraceEventFrame, eventType), sizeof(UINT32) },
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{ CUR_TIME, LOS_OFF_SET_OF(TraceEventFrame, curTime), sizeof(UINT64) },
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#ifdef LOSCFG_TRACE_FRAME_EVENT_COUNT
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{ EVENT_COUNT, LOS_OFF_SET_OF(TraceEventFrame, eventCount), sizeof(UINT32) },
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#endif
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{ CUR_TASK, LOS_OFF_SET_OF(TraceEventFrame, curTask), sizeof(UINT32) },
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{ IDENTITY, LOS_OFF_SET_OF(TraceEventFrame, identity), sizeof(UINTPTR) },
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{ EVENT_PARAMS, LOS_OFF_SET_OF(TraceEventFrame, params), sizeof(UINTPTR) * LOSCFG_TRACE_FRAME_MAX_PARAMS },
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{ TRACE_TLV_TYPE_NULL, 0, 0 },
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};
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STATIC TlvTable *g_traceTlvTbl[] = {
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g_traceTlvTblNotify,
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g_traceTlvTblHead,
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g_traceTlvTblObj,
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g_traceTlvTblEvent
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};
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STATIC UINT32 DefaultPipelineInit(VOID)
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{
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return LOS_OK;
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}
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STATIC VOID DefaultDataSend(UINT16 len, UINT8 *data)
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{ //½«lenºÍdata²ÎÊý±ê¼ÇΪ"δʹÓÃ"//
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(VOID)len; //±ÜÃâ±àÒëÆ÷²úÉú¾¯¸æ//
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(VOID)data;
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}
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STATIC UINT32 DefaultDataReceive(UINT8 *data, UINT32 size, UINT32 timeout)
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{
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(VOID)data; //½«data¡¢sizeºÍtimeout²ÎÊý±ê¼ÇΪ"δʹÓÃ"//
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(VOID)size;
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(VOID)timeout;
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return LOS_OK;
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}
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STATIC UINT32 DefaultWait(VOID)
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{
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return LOS_OK;
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}
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STATIC TracePipelineOps g_defaultOps = {
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.init = DefaultPipelineInit,
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.dataSend = DefaultDataSend,
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.dataRecv = DefaultDataReceive,
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.wait = DefaultWait,
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};
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STATIC const TracePipelineOps *g_tracePipelineOps = &g_defaultOps;
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VOID OsTracePipelineReg(const TracePipelineOps *ops)
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{
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g_tracePipelineOps = ops; //ÓÃÓÚ×¢²áÒ»¸öTracePipelineOps½á¹¹ÌåÖ¸Õë//
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}
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VOID OsTraceDataSend(UINT8 type, UINT16 len, UINT8 *data) //ÓÃÓÚ·¢ËÍ×·×ÙÊý¾Ý//
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{
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UINT32 intSave;
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UINT8 outBuf[LOSCFG_TRACE_TLV_BUF_SIZE] = {0};
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if ((type > TRACE_MSG_MAX) || (len > LOSCFG_TRACE_TLV_BUF_SIZE)) { //ÊäÈë²ÎÊýµÄºÏ·¨ÐÔ¼ì²é//
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return;
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}
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//¶ÔÊý¾Ý½øÐбàÂë//
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len = OsTraceDataEncode(type, g_traceTlvTbl[type], data, &outBuf[0], sizeof(outBuf));
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PIPE_LOCK(intSave); //»ñÈ¡¹ÜµÀËø£¬·ÀÖ¹¶àÏ̲߳¢·¢·ÃÎÊ//
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g_tracePipelineOps->dataSend(len, &outBuf[0]); //·¢ËͱàÂëºóµÄÊý¾Ý//
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PIPE_UNLOCK(intSave); //ÊͷŹܵÀËø//
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}
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UINT32 OsTraceDataRecv(UINT8 *data, UINT32 size, UINT32 timeout) //ÓÃÓÚ½ÓÊÕ×·×ÙÊý¾Ý//
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{
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return g_tracePipelineOps->dataRecv(data, size, timeout);
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}
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UINT32 OsTraceDataWait(VOID) //ÓÃÓڵȴý×·×ÙÊý¾Ý//
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{
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return g_tracePipelineOps->wait();
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}
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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