1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "stdarg.h"
33 #include "los_arch.h"
34 #include "los_config.h"
35 #include "los_debug.h"
36 #include "los_memory.h"
37 #include "los_mux.h"
38 #include "los_queue.h"
39 #include "los_sem.h"
40
41 #if (LOSCFG_PLATFORM_HWI == 1)
42 #include "los_interrupt.h"
43 #endif
44
45 #if (LOSCFG_BASE_CORE_SWTMR == 1)
46 #include "los_swtmr.h"
47 #endif
48
49 #if (LOSCFG_BASE_CORE_CPUP == 1)
50 #include "los_cpup.h"
51 #endif
52
53 #if (LOSCFG_PLATFORM_EXC == 1)
54 #include "los_exc_info.h"
55 #endif
56
57 #if (LOSCFG_BACKTRACE_TYPE != 0)
58 #include "los_backtrace.h"
59 #endif
60
61 #if (LOSCFG_KERNEL_PM == 1)
62 #include "los_pm.h"
63 #endif
64
65 #if (LOSCFG_DYNLINK == 1)
66 #include "los_dynlink.h"
67 #endif
68
69 #ifdef LOSCFG_KERNEL_LMS
70 #include "los_lms_pri.h"
71 #endif
72
73 #if (LOSCFG_KERNEL_LMK == 1)
74 #include "los_lmk.h"
75 #endif
76
77 #if (LOSCFG_POSIX_PIPE_API == 1)
78 #include "pipe_impl.h"
79 #endif
80
81 #if (LOSCFG_KERNEL_SIGNAL == 1)
82 #include "los_signal.h"
83 #endif
84
85 /*****************************************************************************
86 Function : LOS_Reboot
87 Description : system exception, die in here, wait for watchdog.
88 Input : None
89 Output : None
90 Return : None
91 *****************************************************************************/
LOS_Reboot(VOID)92 LITE_OS_SEC_TEXT_INIT VOID LOS_Reboot(VOID)
93 {
94 OsDoExcHook(EXC_REBOOT);
95 ArchSysExit();
96 }
97
LOS_Panic(const CHAR * fmt,...)98 LITE_OS_SEC_TEXT_INIT VOID LOS_Panic(const CHAR *fmt, ...)
99 {
100 va_list ap;
101 va_start(ap, fmt);
102 PRINT_ERR(fmt, ap);
103 va_end(ap);
104 #if (LOSCFG_BACKTRACE_TYPE != 0)
105 LOS_BackTrace();
106 #endif
107 ArchSysExit();
108 }
109
110
111 /*****************************************************************************
112 Function : OsRegister
113 Description : Configuring the maximum number of tasks
114 Input : None
115 Output : None
116 Return : None
117 *****************************************************************************/
OsRegister(VOID)118 LITE_OS_SEC_TEXT_INIT static VOID OsRegister(VOID)
119 {
120 g_taskMaxNum = LOSCFG_BASE_CORE_TSK_LIMIT + 1; /* Reserved 1 for IDLE */
121
122 return;
123 }
124
LOS_Start(VOID)125 LITE_OS_SEC_TEXT_INIT UINT32 LOS_Start(VOID)
126 {
127 return ArchStartSchedule();
128 }
129
130 /*****************************************************************************
131 Function : LOS_KernelInit
132 Description : System kernel initialization function, configure all system modules
133 Input : None
134 Output : None
135 Return : LOS_OK on success or error code on failure
136 *****************************************************************************/
LOS_KernelInit(VOID)137 LITE_OS_SEC_TEXT_INIT UINT32 LOS_KernelInit(VOID)
138 {
139 UINT32 ret;
140 PRINTK("entering kernel init...\n");
141
142 #if (LOSCFG_BACKTRACE_TYPE != 0)
143 OsBackTraceInit();
144 #endif
145
146 OsRegister();
147
148 #ifdef LOSCFG_KERNEL_LMS
149 OsLmsInit();
150 #endif
151 ret = OsMemSystemInit();
152 if (ret != LOS_OK) {
153 PRINT_ERR("OsMemSystemInit error %d\n", ret);
154 return ret;
155 }
156
157 ArchInit();
158
159 ret = OsTickTimerInit();
160 if (ret != LOS_OK) {
161 PRINT_ERR("OsTickTimerInit error! 0x%x\n", ret);
162 return ret;
163 }
164
165 ret = OsTaskInit();
166 if (ret != LOS_OK) {
167 PRINT_ERR("OsTaskInit error\n");
168 return ret;
169 }
170
171 #if (LOSCFG_BASE_CORE_TSK_MONITOR == 1)
172 OsTaskMonInit();
173 #endif
174
175 #if (LOSCFG_BASE_CORE_CPUP == 1)
176 ret = OsCpupInit();
177 if (ret != LOS_OK) {
178 PRINT_ERR("OsCpupInit error\n");
179 return ret;
180 }
181 #endif
182
183 #if (LOSCFG_BASE_IPC_SEM == 1)
184 ret = OsSemInit();
185 if (ret != LOS_OK) {
186 return ret;
187 }
188 #endif
189
190 #if (LOSCFG_BASE_IPC_MUX == 1)
191 ret = OsMuxInit();
192 if (ret != LOS_OK) {
193 return ret;
194 }
195 #endif
196
197 #if (LOSCFG_BASE_IPC_QUEUE == 1)
198 ret = OsQueueInit();
199 if (ret != LOS_OK) {
200 PRINT_ERR("OsQueueInit error\n");
201 return ret;
202 }
203 #endif
204
205 #if (LOSCFG_BASE_CORE_SWTMR == 1)
206 ret = OsSwtmrInit();
207 if (ret != LOS_OK) {
208 PRINT_ERR("OsSwtmrInit error\n");
209 return ret;
210 }
211 #endif
212
213 ret = OsIdleTaskCreate();
214 if (ret != LOS_OK) {
215 return ret;
216 }
217
218 #if (LOSCFG_KERNEL_TRACE == 1)
219 ret = OsTraceInit(LOSCFG_TRACE_BUFFER_SIZE);
220 if (ret != LOS_OK) {
221 PRINT_ERR("OsTraceInit error\n");
222 return ret;
223 }
224 #endif
225
226 #if (LOSCFG_KERNEL_PM == 1)
227 ret = OsPmInit();
228 if (ret != LOS_OK) {
229 PRINT_ERR("Pm init failed!\n");
230 return ret;
231 }
232 #endif
233
234 #if (LOSCFG_KERNEL_LMK == 1)
235 OsLmkInit();
236 #endif
237
238 #if (LOSCFG_PLATFORM_EXC == 1)
239 OsExcMsgDumpInit();
240 #endif
241
242 #if (LOSCFG_DYNLINK == 1)
243 ret = LOS_DynlinkInit();
244 if (ret != LOS_OK) {
245 return ret;
246 }
247 #endif
248
249 #if (LOSCFG_POSIX_PIPE_API == 1)
250 ret = OsPipeInit();
251 if (ret != LOS_OK) {
252 PRINT_ERR("Pipe init failed!\n");
253 return ret;
254 }
255 #endif
256
257 #if (LOSCFG_KERNEL_SIGNAL == 1)
258 ret = OsSignalInit();
259 if (ret != LOS_OK) {
260 PRINT_ERR("Signal init failed!\n");
261 return ret;
262 }
263 #endif
264
265 return LOS_OK;
266 }
267
268