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 <stdarg.h>
32 #include <stdint.h>
33 #include "los_interrupt.h"
34 #include "los_arch_context.h"
35 #include "los_arch_interrupt.h"
36 #include "los_arch_regs.h"
37 #include "los_context.h"
38 #include "los_debug.h"
39 #include "los_hook.h"
40 #include "los_membox.h"
41 #include "los_memory.h"
42 #include "los_sched.h"
43 #include "los_task.h"
44 #include "securec.h"
45
46 #define IRAM_ATTR __attribute__((section(".iram1.__COUNTER__")))
47
48 static const char DefVectorName[] = {"LiteosVector"};
49
50 #if (OS_HWI_WITH_ARG == 1)
OsSetVector(UINT32 num,HWI_PROC_FUNC vector,VOID * arg)51 VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg)
52 {
53 xt_set_interrupt_handler(num, (void (*)(void *))vector, arg ? arg : DefVectorName);
54 }
55 #else
OsSetVector(UINT32 num,HWI_PROC_FUNC vector)56 VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector)
57 {
58 }
59 #endif
60
HwiNumValid(UINT32 num)61 INLINE IRAM_ATTR UINT32 HwiNumValid(UINT32 num)
62 {
63 return (num >= OS_SYS_VECTOR_CNT) && (num <= OS_VECTOR_CNT);
64 }
65
HalIrqUnmask(HWI_HANDLE_T hwiNum)66 IRAM_ATTR UINT32 HalIrqUnmask(HWI_HANDLE_T hwiNum)
67 {
68 if (!HwiNumValid(hwiNum)) {
69 return OS_ERRNO_HWI_NUM_INVALID;
70 }
71 xt_ints_on(1 << hwiNum);
72 return LOS_OK;
73 }
74
HalIrqMask(HWI_HANDLE_T hwiNum)75 IRAM_ATTR UINT32 HalIrqMask(HWI_HANDLE_T hwiNum)
76 {
77 if (!HwiNumValid(hwiNum)) {
78 return OS_ERRNO_HWI_NUM_INVALID;
79 }
80 xt_ints_off(1 << hwiNum);
81 return LOS_OK;
82 }