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 #include "los_interrupt.h"
32 #include <stdarg.h>
33 #include "securec.h"
34 #include "los_context.h"
35 #include "los_arch_interrupt.h"
36 #include "los_debug.h"
37 #include "los_hook.h"
38 #include "los_task.h"
39 #include "los_sched.h"
40 #include "los_memory.h"
41 #include "los_membox.h"
42 #if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
43 #include "los_cpup.h"
44 #endif
45
46 UINT32 g_intCount = 0;
47
48 /* *
49 * @ingroup los_hwi
50 * Hardware interrupt form mapping handling function array.
51 */
52 STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
53
54 #if (LOSCFG_DEBUG_TOOLS == 1)
55 STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
56 STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
57
OsGetHwiFormCnt(UINT32 index)58 UINT32 OsGetHwiFormCnt(UINT32 index)
59 {
60 return g_hwiFormCnt[index];
61 }
62
OsGetHwiFormName(UINT32 index)63 CHAR *OsGetHwiFormName(UINT32 index)
64 {
65 return g_hwiFormName[index];
66 }
67
OsGetHwiCreated(UINT32 index)68 BOOL OsGetHwiCreated(UINT32 index)
69 {
70 if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
71 return TRUE;
72 }
73
74 return FALSE;
75 }
76 #endif
77
78 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
79
80 typedef struct {
81 HWI_PROC_FUNC pfnHandler;
82 VOID *pParm;
83 } HWI_HANDLER_FUNC;
84
85 /* *
86 * @ingroup los_hwi
87 * Hardware interrupt handler form mapping handling function array.
88 */
89 STATIC HWI_HANDLER_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {{ (HWI_PROC_FUNC)0, (HWI_ARG_T)0 }};
90
91 /* *
92 * @ingroup los_hwi
93 * Set interrupt vector table.
94 */
OsSetVector(UINT32 num,HWI_PROC_FUNC vector,VOID * arg)95 VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg)
96 {
97 if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
98 g_hwiForm[num + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalInterrupt;
99 g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pfnHandler = vector;
100 g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pParm = arg;
101 }
102 }
103
104 #else
105 /* *
106 * @ingroup los_hwi
107 * hardware interrupt handler form mapping handling function array.
108 */
109 STATIC HWI_PROC_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {0};
110
111 /* *
112 * @ingroup los_hwi
113 * Set interrupt vector table.
114 */
OsSetVector(UINT32 num,HWI_PROC_FUNC vector)115 VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector)
116 {
117 if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
118 g_hwiForm[num + OS_SYS_VECTOR_CNT] = HalInterrupt;
119 g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT] = vector;
120 }
121 }
122 #endif
123
124 /* ****************************************************************************
125 Function : HwiNumGet
126 Description : Get an interrupt number
127 Input : None
128 Output : None
129 Return : Interrupt Indexes number
130 **************************************************************************** */
HwiNumGet(VOID)131 STATIC UINT32 HwiNumGet(VOID)
132 {
133 return __get_IPSR();
134 }
135
HwiUnmask(HWI_HANDLE_T hwiNum)136 STATIC UINT32 HwiUnmask(HWI_HANDLE_T hwiNum)
137 {
138 if (hwiNum >= OS_HWI_MAX_NUM) {
139 return OS_ERRNO_HWI_NUM_INVALID;
140 }
141
142 NVIC_EnableIRQ((IRQn_Type)hwiNum);
143
144 return LOS_OK;
145 }
146
HwiMask(HWI_HANDLE_T hwiNum)147 STATIC UINT32 HwiMask(HWI_HANDLE_T hwiNum)
148 {
149 if (hwiNum >= OS_HWI_MAX_NUM) {
150 return OS_ERRNO_HWI_NUM_INVALID;
151 }
152
153 NVIC_DisableIRQ((IRQn_Type)hwiNum);
154
155 return LOS_OK;
156 }
157
HwiSetPriority(HWI_HANDLE_T hwiNum,UINT8 priority)158 STATIC UINT32 HwiSetPriority(HWI_HANDLE_T hwiNum, UINT8 priority)
159 {
160 if (hwiNum >= OS_HWI_MAX_NUM) {
161 return OS_ERRNO_HWI_NUM_INVALID;
162 }
163
164 if (priority > OS_HWI_PRIO_LOWEST) {
165 return OS_ERRNO_HWI_PRIO_INVALID;
166 }
167
168 NVIC_SetPriority((IRQn_Type)hwiNum, priority);
169
170 return LOS_OK;
171 }
172
HwiPending(HWI_HANDLE_T hwiNum)173 STATIC UINT32 HwiPending(HWI_HANDLE_T hwiNum)
174 {
175 if (hwiNum >= OS_HWI_MAX_NUM) {
176 return OS_ERRNO_HWI_NUM_INVALID;
177 }
178
179 NVIC_SetPendingIRQ((IRQn_Type)hwiNum);
180
181 return LOS_OK;
182 }
183
HwiClear(HWI_HANDLE_T hwiNum)184 STATIC UINT32 HwiClear(HWI_HANDLE_T hwiNum)
185 {
186 if (hwiNum >= OS_HWI_MAX_NUM) {
187 return OS_ERRNO_HWI_NUM_INVALID;
188 }
189
190 NVIC_ClearPendingIRQ((IRQn_Type)hwiNum);
191
192 return LOS_OK;
193 }
194
195 HwiControllerOps g_archHwiOps = {
196 .enableIrq = HwiUnmask,
197 .disableIrq = HwiMask,
198 .setIrqPriority = HwiSetPriority,
199 .getCurIrqNum = HwiNumGet,
200 .triggerIrq = HwiPending,
201 .clearIrq = HwiClear,
202 };
203
ArchIsIntActive(VOID)204 inline UINT32 ArchIsIntActive(VOID)
205 {
206 return (g_intCount > 0);
207 }
208 /* ****************************************************************************
209 Function : HalHwiDefaultHandler
210 Description : default handler of the hardware interrupt
211 Input : None
212 Output : None
213 Return : None
214 **************************************************************************** */
HalHwiDefaultHandler(VOID)215 LITE_OS_SEC_TEXT_MINOR VOID HalHwiDefaultHandler(VOID)
216 {
217 PRINT_ERR("%s irqnum:%u\n", __FUNCTION__, HwiNumGet());
218 while (1) {}
219 }
220
HalPreInterruptHandler(UINT32 arg)221 WEAK VOID HalPreInterruptHandler(UINT32 arg)
222 {
223 (VOID)arg;
224 return;
225 }
226
HalAftInterruptHandler(UINT32 arg)227 WEAK VOID HalAftInterruptHandler(UINT32 arg)
228 {
229 (VOID)arg;
230 return;
231 }
232
233 /* ****************************************************************************
234 Function : HalInterrupt
235 Description : Hardware interrupt entry function
236 Input : None
237 Output : None
238 Return : None
239 **************************************************************************** */
HalInterrupt(VOID)240 LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
241 {
242 UINT32 hwiIndex;
243 UINT32 intSave;
244
245 #if (LOSCFG_KERNEL_RUNSTOP == 1)
246 SCB->SCR &= (UINT32) ~((UINT32)SCB_SCR_SLEEPDEEP_Msk);
247 #endif
248
249 intSave = LOS_IntLock();
250 g_intCount++;
251 LOS_IntRestore(intSave);
252
253 hwiIndex = HwiNumGet();
254
255 OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
256 #if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
257 OsCpupIrqStart(hwiIndex);
258 #endif
259
260 HalPreInterruptHandler(hwiIndex);
261
262 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
263 if (g_hwiHandlerForm[hwiIndex].pfnHandler != 0) {
264 g_hwiHandlerForm[hwiIndex].pfnHandler((VOID *)g_hwiHandlerForm[hwiIndex].pParm);
265 }
266 #else
267 if (g_hwiHandlerForm[hwiIndex] != 0) {
268 g_hwiHandlerForm[hwiIndex]();
269 }
270 #endif
271
272 #if (LOSCFG_DEBUG_TOOLS == 1)
273 ++g_hwiFormCnt[hwiIndex];
274 #endif
275
276 HalAftInterruptHandler(hwiIndex);
277
278 #if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
279 OsCpupIrqEnd(hwiIndex);
280 #endif
281
282 OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
283
284 intSave = LOS_IntLock();
285 g_intCount--;
286 LOS_IntRestore(intSave);
287 }
288
289 /* ****************************************************************************
290 Function : ArchHwiCreate
291 Description : create hardware interrupt
292 Input : hwiNum --- hwi num to create
293 hwiPrio --- priority of the hwi
294 hwiMode --- unused
295 hwiHandler --- hwi handler
296 irqParam --- param of the hwi handler
297 Output : None
298 Return : LOS_OK on success or error code on failure
299 **************************************************************************** */
ArchHwiCreate(HWI_HANDLE_T hwiNum,HWI_PRIOR_T hwiPrio,HWI_MODE_T hwiMode,HWI_PROC_FUNC hwiHandler,HwiIrqParam * irqParam)300 LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
301 HWI_PRIOR_T hwiPrio,
302 HWI_MODE_T hwiMode,
303 HWI_PROC_FUNC hwiHandler,
304 HwiIrqParam *irqParam)
305 {
306 (VOID)hwiMode;
307 UINT32 intSave;
308
309 if (hwiHandler == NULL) {
310 return OS_ERRNO_HWI_PROC_FUNC_NULL;
311 }
312
313 if (hwiNum >= OS_HWI_MAX_NUM) {
314 return OS_ERRNO_HWI_NUM_INVALID;
315 }
316
317 if (g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
318 return OS_ERRNO_HWI_ALREADY_CREATED;
319 }
320
321 if (hwiPrio > OS_HWI_PRIO_LOWEST) {
322 return OS_ERRNO_HWI_PRIO_INVALID;
323 }
324
325 intSave = LOS_IntLock();
326 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
327 if (irqParam != NULL) {
328 OsSetVector(hwiNum, hwiHandler, irqParam->pDevId);
329 } else {
330 OsSetVector(hwiNum, hwiHandler, NULL);
331 }
332 #else
333 (VOID)irqParam;
334 OsSetVector(hwiNum, hwiHandler);
335 #endif
336
337 #if (LOSCFG_DEBUG_TOOLS == 1)
338 if ((irqParam != NULL) && (irqParam->pName != NULL)) {
339 g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
340 }
341 g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
342 #endif
343
344 HwiUnmask((IRQn_Type)hwiNum);
345 HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
346
347 LOS_IntRestore(intSave);
348
349 return LOS_OK;
350 }
351
352 /* ****************************************************************************
353 Function : ArchHwiDelete
354 Description : Delete hardware interrupt
355 Input : hwiNum --- hwi num to delete
356 irqParam --- param of the hwi handler
357 Output : None
358 Return : LOS_OK on success or error code on failure
359 **************************************************************************** */
ArchHwiDelete(HWI_HANDLE_T hwiNum,HwiIrqParam * irqParam)360 LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiDelete(HWI_HANDLE_T hwiNum, HwiIrqParam *irqParam)
361 {
362 (VOID)irqParam;
363 UINT32 intSave;
364
365 if (hwiNum >= OS_HWI_MAX_NUM) {
366 return OS_ERRNO_HWI_NUM_INVALID;
367 }
368
369 NVIC_DisableIRQ((IRQn_Type)hwiNum);
370
371 intSave = LOS_IntLock();
372
373 g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalHwiDefaultHandler;
374
375 LOS_IntRestore(intSave);
376
377 return LOS_OK;
378 }
379
380 #define FAULT_STATUS_REG_BIT 32
381 #define USGFAULT (1 << 18)
382 #define BUSFAULT (1 << 17)
383 #define MEMFAULT (1 << 16)
384 #define DIV0FAULT (1 << 4)
385 #define UNALIGNFAULT (1 << 3)
386 #define HARDFAULT_IRQN (-13)
387
388 ExcInfo g_excInfo = {0};
389
390 UINT8 g_uwExcTbl[FAULT_STATUS_REG_BIT] = {
391 0, 0, 0, 0, 0, 0, OS_EXC_UF_DIVBYZERO, OS_EXC_UF_UNALIGNED,
392 0, 0, 0, 0, OS_EXC_UF_NOCP, OS_EXC_UF_INVPC, OS_EXC_UF_INVSTATE, OS_EXC_UF_UNDEFINSTR,
393 0, 0, 0, OS_EXC_BF_STKERR, OS_EXC_BF_UNSTKERR, OS_EXC_BF_IMPRECISERR, OS_EXC_BF_PRECISERR, OS_EXC_BF_IBUSERR,
394 0, 0, 0, OS_EXC_MF_MSTKERR, OS_EXC_MF_MUNSTKERR, 0, OS_EXC_MF_DACCVIOL, OS_EXC_MF_IACCVIOL
395 };
396
397 #if (LOSCFG_KERNEL_PRINTF != 0)
OsExcNvicDump(VOID)398 STATIC VOID OsExcNvicDump(VOID)
399 {
400 #define OS_NR_NVIC_EXC_DUMP_TYPES 7
401 UINT32 *base = NULL;
402 UINT32 len, i, j;
403 UINT32 rgNvicBases[OS_NR_NVIC_EXC_DUMP_TYPES] = {
404 OS_NVIC_SETENA_BASE, OS_NVIC_SETPEND_BASE, OS_NVIC_INT_ACT_BASE,
405 OS_NVIC_PRI_BASE, OS_NVIC_EXCPRI_BASE, OS_NVIC_SHCSR, OS_NVIC_INT_CTRL
406 };
407 UINT32 rgNvicLens[OS_NR_NVIC_EXC_DUMP_TYPES] = {
408 OS_NVIC_INT_ENABLE_SIZE, OS_NVIC_INT_PEND_SIZE, OS_NVIC_INT_ACT_SIZE,
409 OS_NVIC_INT_PRI_SIZE, OS_NVIC_EXCPRI_SIZE, OS_NVIC_SHCSR_SIZE,
410 OS_NVIC_INT_CTRL_SIZE
411 };
412 CHAR strRgEnable[] = "enable";
413 CHAR strRgPending[] = "pending";
414 CHAR strRgActive[] = "active";
415 CHAR strRgPriority[] = "priority";
416 CHAR strRgException[] = "exception";
417 CHAR strRgShcsr[] = "shcsr";
418 CHAR strRgIntCtrl[] = "control";
419 CHAR *strRgs[] = {
420 strRgEnable, strRgPending, strRgActive, strRgPriority,
421 strRgException, strRgShcsr, strRgIntCtrl
422 };
423
424 PRINTK("\r\nOS exception NVIC dump:\n");
425 for (i = 0; i < OS_NR_NVIC_EXC_DUMP_TYPES; i++) {
426 base = (UINT32 *)rgNvicBases[i];
427 len = rgNvicLens[i];
428 PRINTK("interrupt %s register, base address: %p, size: 0x%x\n", strRgs[i], base, len);
429 len = (len >> 2); /* 2: Gets the next register offset */
430 for (j = 0; j < len; j++) {
431 PRINTK("0x%x ", *(base + j));
432 if ((j != 0) && ((j % 16) == 0)) { /* 16: print wrap line */
433 PRINTK("\n");
434 }
435 }
436 PRINTK("\n");
437 }
438 }
439
OsExcTypeInfo(const ExcInfo * excInfo)440 STATIC VOID OsExcTypeInfo(const ExcInfo *excInfo)
441 {
442 CHAR *phaseStr[] = {"exc in init", "exc in task", "exc in hwi"};
443
444 PRINTK("Type = %d\n", excInfo->type);
445 PRINTK("ThrdPid = %d\n", excInfo->thrdPid);
446 PRINTK("Phase = %s\n", phaseStr[excInfo->phase]);
447 PRINTK("FaultAddr = 0x%x\n", excInfo->faultAddr);
448 }
449
OsExcCurTaskInfo(const ExcInfo * excInfo)450 STATIC VOID OsExcCurTaskInfo(const ExcInfo *excInfo)
451 {
452 PRINTK("Current task info:\n");
453 if (excInfo->phase == OS_EXC_IN_TASK) {
454 LosTaskCB *taskCB = OS_TCB_FROM_TID(LOS_CurTaskIDGet());
455 PRINTK("Task name = %s\n", taskCB->taskName);
456 PRINTK("Task ID = %d\n", taskCB->taskID);
457 PRINTK("Task SP = %p\n", taskCB->stackPointer);
458 PRINTK("Task ST = 0x%x\n", taskCB->topOfStack);
459 PRINTK("Task SS = 0x%x\n", taskCB->stackSize);
460 } else if (excInfo->phase == OS_EXC_IN_HWI) {
461 PRINTK("Exception occur in interrupt phase!\n");
462 } else {
463 PRINTK("Exception occur in system init phase!\n");
464 }
465 }
466
OsExcRegInfo(const ExcInfo * excInfo)467 STATIC VOID OsExcRegInfo(const ExcInfo *excInfo)
468 {
469 PRINTK("Exception reg dump:\n");
470 PRINTK("PC = 0x%x\n", excInfo->context->uwPC);
471 PRINTK("LR = 0x%x\n", excInfo->context->uwLR);
472 PRINTK("SP = 0x%x\n", excInfo->context->uwSP);
473 PRINTK("R0 = 0x%x\n", excInfo->context->uwR0);
474 PRINTK("R1 = 0x%x\n", excInfo->context->uwR1);
475 PRINTK("R2 = 0x%x\n", excInfo->context->uwR2);
476 PRINTK("R3 = 0x%x\n", excInfo->context->uwR3);
477 PRINTK("R4 = 0x%x\n", excInfo->context->uwR4);
478 PRINTK("R5 = 0x%x\n", excInfo->context->uwR5);
479 PRINTK("R6 = 0x%x\n", excInfo->context->uwR6);
480 PRINTK("R7 = 0x%x\n", excInfo->context->uwR7);
481 PRINTK("R8 = 0x%x\n", excInfo->context->uwR8);
482 PRINTK("R9 = 0x%x\n", excInfo->context->uwR9);
483 PRINTK("R10 = 0x%x\n", excInfo->context->uwR10);
484 PRINTK("R11 = 0x%x\n", excInfo->context->uwR11);
485 PRINTK("R12 = 0x%x\n", excInfo->context->uwR12);
486 PRINTK("PriMask = 0x%x\n", excInfo->context->uwPriMask);
487 PRINTK("xPSR = 0x%x\n", excInfo->context->uwxPSR);
488 }
489
490 #if (LOSCFG_KERNEL_BACKTRACE == 1)
OsExcBackTraceInfo(const ExcInfo * excInfo)491 STATIC VOID OsExcBackTraceInfo(const ExcInfo *excInfo)
492 {
493 UINTPTR LR[LOSCFG_BACKTRACE_DEPTH] = {0};
494 UINT32 index;
495
496 OsBackTraceHookCall(LR, LOSCFG_BACKTRACE_DEPTH, 0, excInfo->context->uwSP);
497
498 PRINTK("----- backtrace start -----\n");
499 for (index = 0; index < LOSCFG_BACKTRACE_DEPTH; index++) {
500 if (LR[index] == 0) {
501 break;
502 }
503 PRINTK("backtrace %d -- lr = 0x%x\n", index, LR[index]);
504 }
505 PRINTK("----- backtrace end -----\n");
506 }
507 #endif
508
OsExcMemPoolCheckInfo(VOID)509 STATIC VOID OsExcMemPoolCheckInfo(VOID)
510 {
511 PRINTK("\r\nmemory pools check:\n");
512 #if (LOSCFG_PLATFORM_EXC == 1)
513 MemInfoCB memExcInfo[OS_SYS_MEM_NUM];
514 UINT32 errCnt;
515 UINT32 i;
516
517 (VOID)memset_s(memExcInfo, sizeof(memExcInfo), 0, sizeof(memExcInfo));
518
519 errCnt = OsMemExcInfoGet(OS_SYS_MEM_NUM, memExcInfo);
520 if (errCnt < OS_SYS_MEM_NUM) {
521 errCnt += OsMemboxExcInfoGet(OS_SYS_MEM_NUM - errCnt, memExcInfo + errCnt);
522 }
523
524 if (errCnt == 0) {
525 PRINTK("all memory pool check passed!\n");
526 return;
527 }
528
529 for (i = 0; i < errCnt; i++) {
530 PRINTK("pool num = %d\n", i);
531 PRINTK("pool type = %d\n", memExcInfo[i].type);
532 PRINTK("pool addr = 0x%x\n", memExcInfo[i].startAddr);
533 PRINTK("pool size = 0x%x\n", memExcInfo[i].size);
534 PRINTK("pool free = 0x%x\n", memExcInfo[i].free);
535 PRINTK("pool blkNum = %d\n", memExcInfo[i].blockSize);
536 PRINTK("pool error node addr = 0x%x\n", memExcInfo[i].errorAddr);
537 PRINTK("pool error node len = 0x%x\n", memExcInfo[i].errorLen);
538 PRINTK("pool error node owner = %d\n", memExcInfo[i].errorOwner);
539 }
540 #endif
541 UINT32 ret = LOS_MemIntegrityCheck(LOSCFG_SYS_HEAP_ADDR);
542 if (ret == LOS_OK) {
543 PRINTK("system heap memcheck over, all passed!\n");
544 }
545
546 PRINTK("memory pool check end!\n");
547 }
548 #endif
549
OsExcInfoDisplay(const ExcInfo * excInfo)550 STATIC VOID OsExcInfoDisplay(const ExcInfo *excInfo)
551 {
552 #if (LOSCFG_KERNEL_PRINTF != 0)
553 PRINTK("*************Exception Information**************\n");
554 OsExcTypeInfo(excInfo);
555 OsExcCurTaskInfo(excInfo);
556 OsExcRegInfo(excInfo);
557 #if (LOSCFG_KERNEL_BACKTRACE == 1)
558 OsExcBackTraceInfo(excInfo);
559 #endif
560 OsGetAllTskInfo();
561 OsExcNvicDump();
562 OsExcMemPoolCheckInfo();
563 #endif
564 }
565
HalExcHandleEntry(UINT32 excType,UINT32 faultAddr,UINT32 pid,EXC_CONTEXT_S * excBufAddr)566 LITE_OS_SEC_TEXT_INIT VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr)
567 {
568 UINT16 tmpFlag = (excType >> 16) & OS_NULL_SHORT; /* 16: Get Exception Type */
569 g_intCount++;
570 g_excInfo.nestCnt++;
571
572 g_excInfo.type = excType & OS_NULL_SHORT;
573
574 if (tmpFlag & OS_EXC_FLAG_FAULTADDR_VALID) {
575 g_excInfo.faultAddr = faultAddr;
576 } else {
577 g_excInfo.faultAddr = OS_EXC_IMPRECISE_ACCESS_ADDR;
578 }
579 if (g_losTask.runTask != NULL) {
580 if (tmpFlag & OS_EXC_FLAG_IN_HWI) {
581 g_excInfo.phase = OS_EXC_IN_HWI;
582 g_excInfo.thrdPid = pid;
583 } else {
584 g_excInfo.phase = OS_EXC_IN_TASK;
585 g_excInfo.thrdPid = g_losTask.runTask->taskID;
586 }
587 } else {
588 g_excInfo.phase = OS_EXC_IN_INIT;
589 g_excInfo.thrdPid = OS_NULL_INT;
590 }
591 if (excType & OS_EXC_FLAG_NO_FLOAT) {
592 g_excInfo.context = (EXC_CONTEXT_S *)((CHAR *)excBufAddr - LOS_OFF_SET_OF(EXC_CONTEXT_S, uwR4));
593 } else {
594 g_excInfo.context = excBufAddr;
595 }
596
597 OsDoExcHook(EXC_INTERRUPT);
598 OsExcInfoDisplay(&g_excInfo);
599 ArchSysExit();
600 }
601
602 /* ****************************************************************************
603 Function : HalHwiInit
604 Description : initialization of the hardware interrupt
605 Input : None
606 Output : None
607 Return : None
608 **************************************************************************** */
HalHwiInit(VOID)609 LITE_OS_SEC_TEXT_INIT VOID HalHwiInit(VOID)
610 {
611 #if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
612 UINT32 index;
613 g_hwiForm[0] = 0; /* [0] Top of Stack */
614 g_hwiForm[1] = (HWI_PROC_FUNC)Reset_Handler; /* [1] reset */
615 for (index = 2; index < OS_VECTOR_CNT; index++) { /* 2: The starting position of the interrupt */
616 g_hwiForm[index] = (HWI_PROC_FUNC)HalHwiDefaultHandler;
617 }
618 /* Exception handler register */
619 g_hwiForm[NonMaskableInt_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalExcNMI;
620 g_hwiForm[HARDFAULT_IRQN + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalExcHardFault;
621 g_hwiForm[MemoryManagement_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalExcMemFault;
622 g_hwiForm[BusFault_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalExcBusFault;
623 g_hwiForm[UsageFault_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalExcUsageFault;
624 g_hwiForm[SVCall_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalExcSvcCall;
625 g_hwiForm[PendSV_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalPendSV;
626 g_hwiForm[SysTick_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)SysTick_Handler;
627
628 /* Interrupt vector table location */
629 SCB->VTOR = (UINT32)(UINTPTR)g_hwiForm;
630 #endif
631 #if (__CORTEX_M >= 0x03U) /* only for Cortex-M3 and above */
632 NVIC_SetPriorityGrouping(OS_NVIC_AIRCR_PRIGROUP);
633 #endif
634
635 /* Enable USGFAULT, BUSFAULT, MEMFAULT */
636 *(volatile UINT32 *)OS_NVIC_SHCSR |= (USGFAULT | BUSFAULT | MEMFAULT);
637
638 /* Enable DIV 0 and unaligned exception */
639 #ifdef LOSCFG_ARCH_UNALIGNED_EXC
640 *(volatile UINT32 *)OS_NVIC_CCR |= (DIV0FAULT | UNALIGNFAULT);
641 #else
642 *(volatile UINT32 *)OS_NVIC_CCR |= (DIV0FAULT);
643 #endif
644
645 return;
646 }
647
648