1 /* 2 * Copyright (c) 2009-2022 Huawei Technologies Co., Ltd. All rights reserved. 3 * 4 * UniProton is licensed under Mulan PSL v2. 5 * You can use this software according to the terms and conditions of the Mulan PSL v2. 6 * You may obtain a copy of Mulan PSL v2 at: 7 * http://license.coscl.org.cn/MulanPSL2 8 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 9 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 10 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 11 * See the Mulan PSL v2 for more details. 12 * Create: 2009-12-22 13 * Description: hwi模块内部头文件。 14 */ 15 #ifndef PRT_HWI_INTERNAL_H 16 #define PRT_HWI_INTERNAL_H 17 18 #include "prt_hwi_external.h" 19 #include "prt_sys_external.h" 20 #include "prt_irq_external.h" 21 22 /* 23 * 模块内宏定义 24 */ 25 #define OS_EXC_RESET 1 26 #define OS_EXC_NMI 2 27 #define OS_EXC_HARD_FAULT 3 28 #define OS_EXC_MPU_FAULT 4 29 #define OS_EXC_BUS_FAULT 5 30 #define OS_EXC_USAGE_FAULT 6 31 #define OS_EXC_SVC_CALL 11 32 #define OS_EXC_PEND_SV 14 33 #define OS_EXC_SYS_TICK 15 34 35 #define OS_SYS_HWI_NUM 16 36 #define OS_HWI_NUM_SHIFT_BIT 5 37 #define OS_NVIC_AIRCR_REG_ACCESS_PSW 0x05FA0000U 38 #define OS_NVIC_AIRCR_PRIGOUP_BIT_OFFSET 8 /* [10:8]位标识优先级分组 */ 39 40 #define OS_HWI_ENABLE 1 /* HW使能标识 */ 41 #define OS_HWI_CLRPEND_REG_NUM (((OS_MX_IRQ_VECTOR_CNT + 31) / 32) << 2) /* 清除PEND位寄存器数 */ 42 #define OS_SET_VECTOR(num, vector) (g_hwiTable[(num)] = (vector)) 43 #define OS_GET_HWI_REG_OFFSET(hwiNum) (((hwiNum) >> OS_HWI_NUM_SHIFT_BIT) << 2) 44 45 /* 46 * 模块间函数声明 47 */ 48 extern void OsExcNmi(void); 49 extern void OsExcMemFault(void); 50 extern void OsExcBusFault(void); 51 extern void OsExcUsageFault(void); 52 extern void OsExcSvcCall(void); 53 extern void OsExcHardFault(void); 54 extern void OsSvchandler(void); 55 extern void OsResetVector(void); 56 extern void OsPendSv(void); 57 extern void OsInterrupt(void); 58 59 /* ** 向量表偏移量寄存器 VTOR */ 60 #define OS_NVIC_VTOR 0xE000ED08UL 61 62 /* ** 中断优先级寄存器阵列 */ 63 #define OS_NVIC_PRI_BASE 0xE000E400UL 64 65 /* ** 中断使能寄存器族 SETENA 0xE000E100-0xE000E11C */ 66 #define OS_NVIC_SETENA_BASE 0xE000E100UL 67 68 /* ** 中断除能寄存器族 CLRENA 0xE000E180-0xE000E19C */ 69 #define OS_NVIC_CLRENA_BASE 0xE000E180UL 70 71 /* ** 系统异常优先级寄存器阵列 */ 72 #define OS_NVIC_EXCPRI_BASE 0xE000ED18UL 73 74 /* *** 中断控制及状态寄存器 ICSR */ 75 #define OS_NVIC_INT_CTRL 0xE000ED04UL 76 77 /* ** 中断悬起清除寄存器(CLRPEND) 0xE000E280 - 0xE000_E29C */ 78 #define OS_NVIC_CLRPEND_BASE 0xE000E280UL 79 80 /* ** 中断设置悬起寄存器(SETPEND) 0xE000_E200 –0xE000_E21C */ 81 #define OS_NVIC_SETPEND_BASE 0xE000E200UL 82 83 /* 应用程序中断及复位控制寄存器 AIRCR */ 84 #define OS_NVIC_AIRCR 0xE000ED0CUL 85 86 /* 使能中断位,寄存器置1有效，置0情况下不影响 */ 87 #define NVIC_SET_IRQ(hwiNum) \ 88 do { \ 89 *(volatile U32 *)((uintptr_t)OS_NVIC_SETENA_BASE + (((hwiNum) >> 5) << 2)) = 1UL << ((hwiNum) & 0x1FUL); \ 90 } while (0) 91 92 /* 清除中断位,寄存器置1有效，置0情况下不影响 */ 93 #define NVIC_CLR_IRQ(hwiNum) \ 94 do { \ 95 *(volatile U32 *)((uintptr_t)OS_NVIC_CLRENA_BASE + (((hwiNum) >> 5) << 2)) = 1UL << ((hwiNum) & 0x1FUL); \ 96 } while (0) 97 98 /* 设置中断优先级 */ 99 #define NVIC_SET_IRQ_PRI(hwiNum, pri) \ 100 do { \ 101 *(volatile U8 *)((uintptr_t)OS_NVIC_PRI_BASE + (hwiNum)) = (U8)(pri); \ 102 } while (0) 103 104 /* 设置异常优先级 */ 105 #define NVIC_SET_EXC_PRI(excNum, pri) \ 106 do { \ 107 *(volatile U8 *)((uintptr_t)OS_NVIC_EXCPRI_BASE + ((excNum) - 4)) = (U8)(pri); \ 108 } while (0) 109 110 /* 清除悬起中断位 */ 111 #define NVIC_CLR_IRQ_PEND(hwiNum) \ 112 do { \ 113 *(volatile U32 *)((uintptr_t)OS_NVIC_CLRPEND_BASE + (((hwiNum) >> 5) << 2)) = 1UL << ((hwiNum) & 0x1FUL); \ 114 } while (0) 115 116 /* 设置悬起中断位 */ 117 #define NVIC_SET_IRQ_PEND(hwiNum) \ 118 do { \ 119 *(volatile U32 *)((uintptr_t)OS_NVIC_SETPEND_BASE + (((hwiNum) >> 5) << 2)) = 1UL << ((hwiNum) & 0x1FUL); \ 120 } while (0) 121 122 #endif /* PRT_HWI_INTERNAL_H */ 123