271 lines
6.9 KiB
C
271 lines
6.9 KiB
C
/*
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* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
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*
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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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*
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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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*
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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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*
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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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*
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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 "los_base.h"
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#ifdef LOSCFG_LIB_LIBC
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#include "stdlib.h"
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#include "unistd.h"
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#endif
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#include "los_hwi.h"
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#include "los_memory_pri.h"
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#include "uart.h"
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#ifdef LOSCFG_FS_VFS
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#include "console.h"
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#endif
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#ifdef LOSCFG_SHELL_DMESG
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#include "dmesg_pri.h"
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#endif
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#ifdef LOSCFG_SHELL_EXCINFO
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#include "los_excinfo_pri.h"
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#endif
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#include "los_exc_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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#define SIZEBUF 256
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const CHAR *g_logString[] = {
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"EMG",
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"COMMON",
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"ERR",
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"WARN",
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"INFO",
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"DEBUG",
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"TRACE"
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};
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const CHAR *OsLogLvGet(INT32 level)
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{
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return g_logString[level];
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}
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STATIC VOID ErrorMsg(VOID)
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{
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const CHAR *p = "Output illegal string! vsnprintf_s failed!\n";
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UartPuts(p, (UINT32)strlen(p), UART_WITH_LOCK);
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}
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STATIC VOID UartOutput(const CHAR *str, UINT32 len, BOOL isLock)
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{
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#ifdef LOSCFG_SHELL_DMESG
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if (!OsCheckUartLock()) {
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UartPuts(str, len, isLock);
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}
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if (isLock != UART_WITHOUT_LOCK) {
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(VOID)OsLogMemcpyRecord(str, len);
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}
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#else
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UartPuts(str, len, isLock);
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#endif
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}
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VOID OutputControl(const CHAR *str, UINT32 len, OutputType type)
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{
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switch (type) {
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case CONSOLE_OUTPUT:
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#ifdef LOSCFG_PLATFORM_CONSOLE
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if (ConsoleEnable() == TRUE) {
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(VOID)write(STDOUT_FILENO, str, (size_t)len);
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break;
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}
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#endif
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/* fall-through */
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case UART_OUTPUT:
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UartOutput(str, len, UART_WITH_LOCK);
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break;
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case EXC_OUTPUT:
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UartOutput(str, len, UART_WITHOUT_LOCK);
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break;
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default:
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break;
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}
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return;
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}
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STATIC VOID OsVprintfFree(CHAR *buf, UINT32 bufLen)
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{
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if (bufLen != SIZEBUF) {
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(VOID)LOS_MemFree(m_aucSysMem0, buf);
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}
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}
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VOID OsVprintf(const CHAR *fmt, va_list ap, OutputType type)
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{
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INT32 len;
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const CHAR *errMsgMalloc = "OsVprintf, malloc failed!\n";
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const CHAR *errMsgLen = "OsVprintf, length overflow!\n";
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CHAR aBuf[SIZEBUF] = {0};
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CHAR *bBuf = NULL;
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UINT32 bufLen = SIZEBUF;
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UINT32 systemStatus;
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bBuf = aBuf;
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len = vsnprintf_s(bBuf, bufLen, bufLen - 1, fmt, ap);
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if ((len == -1) && (*bBuf == '\0')) {
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/* parameter is illegal or some features in fmt dont support */
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ErrorMsg();
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return;
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}
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while (len == -1) {
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/* bBuf is not enough */
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OsVprintfFree(bBuf, bufLen);
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bufLen = bufLen << 1;
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if ((INT32)bufLen <= 0) {
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UartPuts(errMsgLen, (UINT32)strlen(errMsgLen), UART_WITH_LOCK);
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return;
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}
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bBuf = (CHAR *)LOS_MemAlloc(m_aucSysMem0, bufLen);
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if (bBuf == NULL) {
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UartPuts(errMsgMalloc, (UINT32)strlen(errMsgMalloc), UART_WITH_LOCK);
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return;
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}
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len = vsnprintf_s(bBuf, bufLen, bufLen - 1, fmt, ap);
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if (*bBuf == '\0') {
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/* parameter is illegal or some features in fmt dont support */
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(VOID)LOS_MemFree(m_aucSysMem0, bBuf);
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ErrorMsg();
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return;
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}
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}
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*(bBuf + len) = '\0';
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systemStatus = OsGetSystemStatus();
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if ((systemStatus == OS_SYSTEM_NORMAL) || (systemStatus == OS_SYSTEM_EXC_OTHER_CPU)) {
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OutputControl(bBuf, len, type);
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} else if (systemStatus == OS_SYSTEM_EXC_CURR_CPU) {
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OutputControl(bBuf, len, EXC_OUTPUT);
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}
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OsVprintfFree(bBuf, bufLen);
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}
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VOID UartVprintf(const CHAR *fmt, va_list ap)
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{
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OsVprintf(fmt, ap, UART_OUTPUT);
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}
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__attribute__((noinline)) VOID UartPrintf(const CHAR *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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OsVprintf(fmt, ap, UART_OUTPUT);
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va_end(ap);
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}
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__attribute__ ((noinline)) VOID dprintf(const CHAR *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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OsVprintf(fmt, ap, CONSOLE_OUTPUT);
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va_end(ap);
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}
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VOID LkDprintf(const CHAR *fmt, va_list ap)
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{
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OsVprintf(fmt, ap, CONSOLE_OUTPUT);
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}
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#ifdef LOSCFG_SHELL_DMESG
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VOID DmesgPrintf(const CHAR *fmt, va_list ap)
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{
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OsVprintf(fmt, ap, CONSOLE_OUTPUT);
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}
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#endif
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#ifdef LOSCFG_PLATFORM_UART_WITHOUT_VFS
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__attribute__ ((noinline)) INT32 printf(const CHAR *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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OsVprintf(fmt, ap, UART_OUTPUT);
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va_end(ap);
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return 0;
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}
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#endif
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__attribute__((noinline)) VOID syslog(INT32 level, const CHAR *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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OsVprintf(fmt, ap, CONSOLE_OUTPUT);
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va_end(ap);
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(VOID)level;
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}
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__attribute__((noinline)) VOID ExcPrintf(const CHAR *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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/* uart output without print-spinlock */
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OsVprintf(fmt, ap, EXC_OUTPUT);
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va_end(ap);
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}
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VOID PrintExcInfo(const CHAR *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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/* uart output without print-spinlock */
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OsVprintf(fmt, ap, EXC_OUTPUT);
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#ifdef LOSCFG_SHELL_EXCINFO
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WriteExcBufVa(fmt, ap);
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#endif
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va_end(ap);
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}
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#ifndef LOSCFG_SHELL_LK
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VOID LOS_LkPrint(INT32 level, const CHAR *func, INT32 line, const CHAR *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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if (level > PRINT_LEVEL) {
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return;
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}
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if ((level != LOS_COMMON_LEVEL) && ((level > LOS_EMG_LEVEL) && (level <= LOS_TRACE_LEVEL))) {
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dprintf("[%s]", g_logString[level]);
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}
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OsVprintf(fmt, ap, CONSOLE_OUTPUT);
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va_end(ap);
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}
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#endif
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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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