/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _LOS_ARCH_INTERRUPT_H #define _LOS_ARCH_INTERRUPT_H #include "los_common_interrupt.h" #ifdef __cplusplus #if __cplusplus extern "C" { #endif /* __cplusplus */ #endif /* __cplusplus */ /* * * @ingroup los_arch_interrupt * Highest priority of a hardware interrupt. */ #ifndef OS_HWI_PRIO_HIGHEST #define OS_HWI_PRIO_HIGHEST 0 #endif /* * * @ingroup los_arch_interrupt * Lowest priority of a hardware interrupt. */ #ifndef OS_HWI_PRIO_LOWEST #define OS_HWI_PRIO_LOWEST 3 #endif /* * * @ingroup los_arch_interrupt * Check the interrupt priority. */ #define HWI_PRI_VALID(pri) (((pri) >= OS_HWI_PRIO_HIGHEST) && ((pri) <= OS_HWI_PRIO_LOWEST)) /* * * @ingroup los_arch_interrupt * Count of C-sky system interrupt vector. */ #define OS_SYS_VECTOR_CNT 32 /* * * @ingroup los_arch_interrupt * Count of C-sky interrupt vector. */ #define OS_VECTOR_CNT (OS_SYS_VECTOR_CNT + OS_HWI_MAX_NUM) #define OS_USER_HWI_MIN 0 #define OS_USER_HWI_MAX (LOSCFG_PLATFORM_HWI_LIMIT - 1) #define HWI_ALIGNSIZE 0x400 #define PSR_VEC_OFFSET 16U #define VIC_REG_BASE 0xE000E100UL typedef struct { UINT32 ISER[4U]; UINT32 RESERVED0[12U]; UINT32 IWER[4U]; UINT32 RESERVED1[12U]; UINT32 ICER[4U]; UINT32 RESERVED2[12U]; UINT32 IWDR[4U]; UINT32 RESERVED3[12U]; UINT32 ISPR[4U]; UINT32 RESERVED4[12U]; UINT32 ISSR[4U]; UINT32 RESERVED5[12U]; UINT32 ICPR[4U]; UINT32 RESERVED6[12U]; UINT32 ICSR[4U]; UINT32 RESERVED7[12U]; UINT32 IABR[4U]; UINT32 RESERVED8[60U]; UINT32 IPR[32U]; UINT32 RESERVED9[480U]; UINT32 ISR; UINT32 IPTR; UINT32 TSPEND; UINT32 TSABR; UINT32 TSPR; } VIC_TYPE; extern VIC_TYPE *VIC_REG; /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: Invalid interrupt number. * * Value: 0x02000900 * * Solution: Ensure that the interrupt number is valid. */ #define OS_ERRNO_HWI_NUM_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x00) /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: Null hardware interrupt handling function. * * Value: 0x02000901 * * Solution: Pass in a valid non-null hardware interrupt handling function. */ #define OS_ERRNO_HWI_PROC_FUNC_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x01) /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: Insufficient interrupt resources for hardware interrupt creation. * * Value: 0x02000902 * * Solution: Increase the configured maximum number of supported hardware interrupts. */ #define OS_ERRNO_HWI_CB_UNAVAILABLE LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x02) /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: Insufficient memory for hardware interrupt initialization. * * Value: 0x02000903 * * Solution: Expand the configured memory. */ #define OS_ERRNO_HWI_NO_MEMORY LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x03) /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: The interrupt has already been created. * * Value: 0x02000904 * * Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created. */ #define OS_ERRNO_HWI_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x04) /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: Invalid interrupt priority. * * Value: 0x02000905 * * Solution: Ensure that the interrupt priority is valid. */ #define OS_ERRNO_HWI_PRIO_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x05) /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: Incorrect interrupt creation mode. * * Value: 0x02000906 * * Solution: The interrupt creation mode can be only set to OS_HWI_MODE_COMM or OS_HWI_MODE_FAST. */ #define OS_ERRNO_HWI_MODE_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x06) /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: The interrupt has already been created as a fast interrupt. * * Value: 0x02000907 * * Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created. */ #define OS_ERRNO_HWI_FASTMODE_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x07) /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: Invalid interrupt operation function. * * Value: 0x0200090c * * Solution: Set a valid interrupt operation function */ #define OS_ERRNO_HWI_OPS_FUNC_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x0c) /* * * @ingroup los_arch_interrupt * Hardware interrupt error code: Invalid interrupt number. * * Value: 0x02000900 * * Solution: Ensure that the interrupt number is valid. */ #define LOS_ERRNO_HWI_NUM_INVALID OS_ERRNO_HWI_NUM_INVALID /* * * @ingroup los_arch_interrupt * @brief: Hardware interrupt entry function. * * @par Description: * This API is used as all hardware interrupt handling function entry. * * @attention: * * * @param:None. * * @retval:None. * @par Dependency: * * @see None. */ extern VOID HalInterrupt(VOID); #define OS_VIC_INT_ENABLE_SIZE 0x4 #define OS_VIC_INT_WAKER_SIZE 0x4 #define OS_VIC_INT_ICER_SIZE 0x4 #define OS_VIC_INT_ISPR_SIZE 0x4 #define OS_VIC_INT_IABR_SIZE 0x4 #define OS_VIC_INT_IPR_SIZE 0x4 #define OS_VIC_INT_ISR_SIZE 0x4 #define OS_VIC_INT_IPTR_SIZE 0x4 /** * @ingroup los_exc * the struct of register files * * description: the register files that saved when exception triggered * * notes:the following register with prefix 'uw' correspond to the registers in the cpu data sheet. */ typedef struct TagExcContext { UINT32 R0; UINT32 R1; UINT32 R2; UINT32 R3; UINT32 R4; UINT32 R5; UINT32 R6; UINT32 R7; UINT32 R8; UINT32 R9; UINT32 R10; UINT32 R11; UINT32 R12; UINT32 R13; UINT32 R14; UINT32 R15; UINT32 EPSR; UINT32 EPC; } EXC_CONTEXT_S; /* * * @ingroup los_arch_interrupt * @brief: Exception handler function. * * @par Description: * This API is used to handle Exception. * * @attention: * * * @param excBufAddr [IN] The address of stack pointer at which the error occurred. * @param faultAddr [IN] The address at which the error occurred. * * @retval:None. * @par Dependency: * * @see None. */ LITE_OS_SEC_TEXT_INIT VOID HalExcHandleEntry(EXC_CONTEXT_S *excBufAddr, UINT32 faultAddr); VOID IrqEntry(VOID); VOID HandleEntry(VOID); VOID HalHwiInit(VOID); /** * @ingroup los_exc * Exception information structure * * Description: Exception information saved when an exception is triggered on the Csky platform. * */ typedef struct TagExcInfo { UINT16 phase; UINT16 type; UINT32 faultAddr; UINT32 thrdPid; UINT16 nestCnt; UINT16 reserved; EXC_CONTEXT_S *context; } ExcInfo; extern ExcInfo g_excInfo; #define MAX_INT_INFO_SIZE (8 + 0x164) #ifdef __cplusplus #if __cplusplus } #endif /* __cplusplus */ #endif /* __cplusplus */ #endif /* _LOS_ARCH_INTERRUPT_H */