core_feature_eclic.h

/*
 * Copyright (c) 2019 Nuclei Limited. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the License); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef __CORE_FEATURE_ECLIC__
#define __CORE_FEATURE_ECLIC__
 
/*
 * ECLIC Feature Configuration Macro:
 * 1. __ECLIC_PRESENT:  Define whether Enhanced Core Local Interrupt Controller (ECLIC) Unit is present or not
 *   * 0: Not present
 *   * 1: Present
 * 2. __ECLIC_BASEADDR:  Base address of the ECLIC unit.
 * 3. __ECLIC_INTCTLBITS:  Optional, if defined, it should set to the value of ECLIC_GetInfoCtlbits(), define the number of hardware bits are actually implemented in the clicintctl registers.
 *   Valid number is 1 - 8.
 * 4. __ECLIC_INTNUM:  Define the external interrupt number of ECLIC Unit
 * 5. __TEE_PRESENT:  Define whether TEE feature present, if present, ECLIC will present with S-Mode ECLIC feature
 *   * 0: Not present
 *   * 1: Present
 *
 */
#ifdef __cplusplus
extern "C" {
#endif
 
#include "core_feature_base.h"
 
#if defined(__ECLIC_PRESENT) && (__ECLIC_PRESENT == 1)
 
typedef union
{
    struct {
        __IM uint8_t _reserved0:1;
        __IOM uint8_t nlbits:4;                
        __IM uint8_t nmbits:2;                 
        __IM uint8_t _reserved1:1;
    } b;                                       
    uint8_t w;                                 
} CLICCFG_Type;
 
typedef union {
    struct {
        __IM uint32_t numint:13;               
        __IM uint32_t version:8;               
        __IM uint32_t intctlbits:4;            
        __IM uint32_t _reserved0:7;            
    } b;                                       
    __IM uint32_t w;                           
} CLICINFO_Type;
 
typedef struct {
    __IOM uint8_t INTIP;                       
    __IOM uint8_t INTIE;                       
    __IOM uint8_t INTATTR;                     
    __IOM uint8_t INTCTRL;                     
} CLIC_CTRL_Type;
 
typedef struct {
    __IOM uint8_t CFG;                         
    __IM uint8_t RESERVED0[3];
    __IM uint32_t INFO;                        
    __IM uint8_t RESERVED1;
#if defined(__TEE_PRESENT) && (__TEE_PRESENT == 1)
    __IOM uint8_t STH;                         
#else
    __IM uint8_t RESERVED2;
#endif
    __IM uint8_t RESERVED3;
    __IOM uint8_t MTH;                         
    uint32_t RESERVED4[1021];
#if defined(__TEE_PRESENT) && (__TEE_PRESENT == 1)
    CLIC_CTRL_Type CTRL[1024];                 
    __IM uint32_t RESERVED5[2];
    __IM uint8_t RESERVED6;
    __IOM uint8_t SSTH;                        
    __IM uint8_t RESERVED7;
    __IM uint8_t RESERVED8;
    __IM uint32_t RESERVED9[1021];
    CLIC_CTRL_Type SCTRL[1024];                
#else
    CLIC_CTRL_Type CTRL[4096];                 
#endif
} CLIC_Type;
 
#define CLIC_CLICCFG_NLBIT_Pos                 1U                                       
#define CLIC_CLICCFG_NLBIT_Msk                 (0xFUL << CLIC_CLICCFG_NLBIT_Pos)        
#define CLIC_CLICINFO_CTLBIT_Pos               21U                                      
#define CLIC_CLICINFO_CTLBIT_Msk               (0xFUL << CLIC_CLICINFO_CTLBIT_Pos)      
#define CLIC_CLICINFO_VER_Pos                  13U                                      
#define CLIC_CLICINFO_VER_Msk                  (0xFFUL << CLIC_CLICINFO_VER_Pos)        
#define CLIC_CLICINFO_NUM_Pos                  0U                                       
#define CLIC_CLICINFO_NUM_Msk                  (0x1FFFUL << CLIC_CLICINFO_NUM_Pos)      
#define CLIC_INTIP_IP_Pos                      0U                                       
#define CLIC_INTIP_IP_Msk                      (0x1UL << CLIC_INTIP_IP_Pos)             
#define CLIC_INTIE_IE_Pos                      0U                                       
#define CLIC_INTIE_IE_Msk                      (0x1UL << CLIC_INTIE_IE_Pos)             
#if defined(__TEE_PRESENT) && (__TEE_PRESENT == 1)
#define CLIC_INTATTR_MODE_Pos                  6U                                       
#define CLIC_INTATTR_MODE_Msk                  (0x3U << CLIC_INTATTR_MODE_Pos)          
#endif
 
#define CLIC_INTATTR_TRIG_Pos                  1U                                       
#define CLIC_INTATTR_TRIG_Msk                  (0x3UL << CLIC_INTATTR_TRIG_Pos)         
#define CLIC_INTATTR_SHV_Pos                   0U                                       
#define CLIC_INTATTR_SHV_Msk                   (0x1UL << CLIC_INTATTR_SHV_Pos)          
#define ECLIC_MAX_NLBITS                       8U                                       
#define ECLIC_MODE_MTVEC_Msk                   3U                                       
#define ECLIC_NON_VECTOR_INTERRUPT             0x0                                      
#define ECLIC_VECTOR_INTERRUPT                 0x1                                      
typedef enum ECLIC_TRIGGER {
    ECLIC_LEVEL_TRIGGER = 0x0,          
    ECLIC_POSTIVE_EDGE_TRIGGER = 0x1,   
    ECLIC_NEGTIVE_EDGE_TRIGGER = 0x3,   
    ECLIC_MAX_TRIGGER = 0x3             
} ECLIC_TRIGGER_Type;
 
#ifndef __ECLIC_BASEADDR
/* Base address of ECLIC(__ECLIC_BASEADDR) should be defined in <Device.h> */
#error "__ECLIC_BASEADDR is not defined, please check!"
#endif
 
#ifndef __ECLIC_INTCTLBITS
/* Define __ECLIC_INTCTLBITS to get via ECLIC->INFO if not defined */
#define __ECLIC_INTCTLBITS                  (__ECLIC_GetInfoCtlbits())
#endif
 
/* ECLIC Memory mapping of Device */
#define ECLIC_BASE                          __ECLIC_BASEADDR                            
#define ECLIC                               ((CLIC_Type *) ECLIC_BASE)                   /* end of group NMSIS_Core_ECLIC_Registers */
 
/* ##########################   ECLIC functions  #################################### */
/* The following enum IRQn definition in this file
 * is only used for doxygen documentation generation,
 * The <Device>.h is the real file to define it by vendor
 */
#if defined(__ONLY_FOR_DOXYGEN_DOCUMENT_GENERATION__)
typedef enum IRQn {
    /* ========= Nuclei N/NX Core Specific Interrupt Numbers  =========== */
    /* Core Internal Interrupt IRQn definitions */
    Reserved0_IRQn            =   0,              
    Reserved1_IRQn            =   1,              
    Reserved2_IRQn            =   2,              
    SysTimerSW_IRQn           =   3,              
    Reserved3_IRQn            =   4,              
    Reserved4_IRQn            =   5,              
    Reserved5_IRQn            =   6,              
    SysTimer_IRQn             =   7,              
    Reserved6_IRQn            =   8,              
    Reserved7_IRQn            =   9,              
    Reserved8_IRQn            =  10,              
    Reserved9_IRQn            =  11,              
    Reserved10_IRQn           =  12,              
    Reserved11_IRQn           =  13,              
    Reserved12_IRQn           =  14,              
    Reserved13_IRQn           =  15,              
    Reserved14_IRQn           =  16,              
    Reserved15_IRQn           =  17,              
    Reserved16_IRQn           =  18,              
    /* ========= Device Specific Interrupt Numbers  =================== */
    /* ToDo: add here your device specific external interrupt numbers.
     * 19~max(NUM_INTERRUPT, 1023) is reserved number for user.
     * Maxmum interrupt supported could get from clicinfo.NUM_INTERRUPT.
     * According the interrupt handlers defined in startup_Device.S
     * eg.: Interrupt for Timer#1       eclic_tim1_handler   ->   TIM1_IRQn */
    FirstDeviceSpecificInterrupt_IRQn    = 19,    
    SOC_INT_MAX,                                  
} IRQn_Type;
#endif /* __ONLY_FOR_DOXYGEN_DOCUMENT_GENERATION__ */
 
#ifdef NMSIS_ECLIC_VIRTUAL
    #ifndef NMSIS_ECLIC_VIRTUAL_HEADER_FILE
        #define NMSIS_ECLIC_VIRTUAL_HEADER_FILE "nmsis_eclic_virtual.h"
    #endif
    #include NMSIS_ECLIC_VIRTUAL_HEADER_FILE
#else
    #define ECLIC_SetCfgNlbits            __ECLIC_SetCfgNlbits
    #define ECLIC_GetCfgNlbits            __ECLIC_GetCfgNlbits
    #define ECLIC_GetInfoVer              __ECLIC_GetInfoVer
    #define ECLIC_GetInfoCtlbits          __ECLIC_GetInfoCtlbits
    #define ECLIC_GetInfoNum              __ECLIC_GetInfoNum
    #define ECLIC_SetMth                  __ECLIC_SetMth
    #define ECLIC_GetMth                  __ECLIC_GetMth
    #define ECLIC_EnableIRQ               __ECLIC_EnableIRQ
    #define ECLIC_GetEnableIRQ            __ECLIC_GetEnableIRQ
    #define ECLIC_DisableIRQ              __ECLIC_DisableIRQ
    #define ECLIC_SetPendingIRQ           __ECLIC_SetPendingIRQ
    #define ECLIC_GetPendingIRQ           __ECLIC_GetPendingIRQ
    #define ECLIC_ClearPendingIRQ         __ECLIC_ClearPendingIRQ
    #define ECLIC_SetTrigIRQ              __ECLIC_SetTrigIRQ
    #define ECLIC_GetTrigIRQ              __ECLIC_GetTrigIRQ
    #define ECLIC_SetShvIRQ               __ECLIC_SetShvIRQ
    #define ECLIC_GetShvIRQ               __ECLIC_GetShvIRQ
    #define ECLIC_SetCtrlIRQ              __ECLIC_SetCtrlIRQ
    #define ECLIC_GetCtrlIRQ              __ECLIC_GetCtrlIRQ
    #define ECLIC_SetLevelIRQ             __ECLIC_SetLevelIRQ
    #define ECLIC_GetLevelIRQ             __ECLIC_GetLevelIRQ
    #define ECLIC_SetPriorityIRQ          __ECLIC_SetPriorityIRQ
    #define ECLIC_GetPriorityIRQ          __ECLIC_GetPriorityIRQ
 
    /* For TEE */
#if defined(__TEE_PRESENT) && (__TEE_PRESENT == 1)
    #define ECLIC_SetModeIRQ              __ECLIC_SetModeIRQ
    #define ECLIC_SetSth                  __ECLIC_SetSth
    #define ECLIC_GetSth                  __ECLIC_GetSth
    #define ECLIC_SetTrigIRQ_S            __ECLIC_SetTrigIRQ_S
    #define ECLIC_GetTrigIRQ_S            __ECLIC_GetTrigIRQ_S
    #define ECLIC_SetShvIRQ_S             __ECLIC_SetShvIRQ_S
    #define ECLIC_GetShvIRQ_S             __ECLIC_GetShvIRQ_S
    #define ECLIC_SetCtrlIRQ_S            __ECLIC_SetCtrlIRQ_S
    #define ECLIC_GetCtrlIRQ_S            __ECLIC_GetCtrlIRQ_S
    #define ECLIC_SetLevelIRQ_S           __ECLIC_SetLevelIRQ_S
    #define ECLIC_GetLevelIRQ_S           __ECLIC_GetLevelIRQ_S
    #define ECLIC_SetPriorityIRQ_S        __ECLIC_SetPriorityIRQ_S
    #define ECLIC_GetPriorityIRQ_S        __ECLIC_GetPriorityIRQ_S
    #define ECLIC_EnableIRQ_S             __ECLIC_EnableIRQ_S
    #define ECLIC_GetEnableIRQ_S          __ECLIC_GetEnableIRQ_S
    #define ECLIC_DisableIRQ_S            __ECLIC_DisableIRQ_S
 
#endif
#endif /* NMSIS_ECLIC_VIRTUAL */
 
#ifdef NMSIS_VECTAB_VIRTUAL
    #ifndef NMSIS_VECTAB_VIRTUAL_HEADER_FILE
        #define NMSIS_VECTAB_VIRTUAL_HEADER_FILE "nmsis_vectab_virtual.h"
    #endif
    #include NMSIS_VECTAB_VIRTUAL_HEADER_FILE
#else
    #define ECLIC_SetVector              __ECLIC_SetVector
    #define ECLIC_GetVector              __ECLIC_GetVector
 
#if defined(__TEE_PRESENT) && (__TEE_PRESENT == 1)
    #define ECLIC_SetVector_S            __ECLIC_SetVector_S
    #define ECLIC_GetVector_S            __ECLIC_GetVector_S
#endif
#endif  /* (NMSIS_VECTAB_VIRTUAL) */
 
__STATIC_FORCEINLINE void __ECLIC_SetCfgNlbits(uint32_t nlbits)
{
    ECLIC->CFG &= ~CLIC_CLICCFG_NLBIT_Msk;
    ECLIC->CFG |= (uint8_t)((nlbits <<CLIC_CLICCFG_NLBIT_Pos) & CLIC_CLICCFG_NLBIT_Msk);
}
 
__STATIC_FORCEINLINE uint32_t __ECLIC_GetCfgNlbits(void)
{
    return ((uint32_t)((ECLIC->CFG & CLIC_CLICCFG_NLBIT_Msk) >> CLIC_CLICCFG_NLBIT_Pos));
}
 
__STATIC_FORCEINLINE uint32_t __ECLIC_GetInfoVer(void)
{
    return ((uint32_t)((ECLIC->INFO & CLIC_CLICINFO_VER_Msk) >> CLIC_CLICINFO_VER_Pos));
}
 
__STATIC_FORCEINLINE uint32_t __ECLIC_GetInfoCtlbits(void)
{
    return ((uint32_t)((ECLIC->INFO & CLIC_CLICINFO_CTLBIT_Msk) >> CLIC_CLICINFO_CTLBIT_Pos));
}
 
__STATIC_FORCEINLINE uint32_t __ECLIC_GetInfoNum(void)
{
    return ((uint32_t)((ECLIC->INFO & CLIC_CLICINFO_NUM_Msk) >> CLIC_CLICINFO_NUM_Pos));
}
 
__STATIC_FORCEINLINE void __ECLIC_SetMth(uint8_t mth)
{
    ECLIC->MTH = mth;
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetMth(void)
{
    return (ECLIC->MTH);
}
 
 
__STATIC_FORCEINLINE void __ECLIC_EnableIRQ(IRQn_Type IRQn)
{
    ECLIC->CTRL[IRQn].INTIE |= CLIC_INTIE_IE_Msk;
}
 
__STATIC_FORCEINLINE uint32_t __ECLIC_GetEnableIRQ(IRQn_Type IRQn)
{
    return ((uint32_t) (ECLIC->CTRL[IRQn].INTIE) & CLIC_INTIE_IE_Msk);
}
 
__STATIC_FORCEINLINE void __ECLIC_DisableIRQ(IRQn_Type IRQn)
{
    ECLIC->CTRL[IRQn].INTIE &= ~CLIC_INTIE_IE_Msk;
}
 
__STATIC_FORCEINLINE int32_t __ECLIC_GetPendingIRQ(IRQn_Type IRQn)
{
    return ((uint32_t)(ECLIC->CTRL[IRQn].INTIP) & CLIC_INTIP_IP_Msk);
}
 
__STATIC_FORCEINLINE void __ECLIC_SetPendingIRQ(IRQn_Type IRQn)
{
    ECLIC->CTRL[IRQn].INTIP |= CLIC_INTIP_IP_Msk;
}
 
__STATIC_FORCEINLINE void __ECLIC_ClearPendingIRQ(IRQn_Type IRQn)
{
    ECLIC->CTRL[IRQn].INTIP &= ~CLIC_INTIP_IP_Msk;
}
 
__STATIC_FORCEINLINE void __ECLIC_SetTrigIRQ(IRQn_Type IRQn, uint32_t trig)
{
    ECLIC->CTRL[IRQn].INTATTR &= ~CLIC_INTATTR_TRIG_Msk;
    ECLIC->CTRL[IRQn].INTATTR |= (uint8_t)(trig << CLIC_INTATTR_TRIG_Pos);
}
 
__STATIC_FORCEINLINE uint32_t __ECLIC_GetTrigIRQ(IRQn_Type IRQn)
{
    return ((uint32_t)(((ECLIC->CTRL[IRQn].INTATTR) & CLIC_INTATTR_TRIG_Msk) >> CLIC_INTATTR_TRIG_Pos));
}
 
__STATIC_FORCEINLINE void __ECLIC_SetShvIRQ(IRQn_Type IRQn, uint32_t shv)
{
    ECLIC->CTRL[IRQn].INTATTR &= ~CLIC_INTATTR_SHV_Msk;
    ECLIC->CTRL[IRQn].INTATTR |= (uint8_t)(shv << CLIC_INTATTR_SHV_Pos);
}
 
__STATIC_FORCEINLINE uint32_t __ECLIC_GetShvIRQ(IRQn_Type IRQn)
{
    return ((uint32_t)(((ECLIC->CTRL[IRQn].INTATTR) & CLIC_INTATTR_SHV_Msk) >> CLIC_INTATTR_SHV_Pos));
}
 
__STATIC_FORCEINLINE void __ECLIC_SetCtrlIRQ(IRQn_Type IRQn, uint8_t intctrl)
{
    ECLIC->CTRL[IRQn].INTCTRL = intctrl;
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetCtrlIRQ(IRQn_Type IRQn)
{
    return (ECLIC->CTRL[IRQn].INTCTRL);
}
 
__STATIC_FORCEINLINE void __ECLIC_SetLevelIRQ(IRQn_Type IRQn, uint8_t lvl_abs)
{
    uint8_t nlbits = __ECLIC_GetCfgNlbits();
    uint8_t intctlbits = (uint8_t)__ECLIC_INTCTLBITS;
 
    if (nlbits == 0) {
        return;
    }
 
    if (nlbits > intctlbits) {
        nlbits = intctlbits;
    }
    uint8_t maxlvl = ((1 << nlbits) - 1);
    if (lvl_abs > maxlvl) {
        lvl_abs = maxlvl;
    }
    uint8_t lvl = lvl_abs << (ECLIC_MAX_NLBITS - nlbits);
    uint8_t cur_ctrl = __ECLIC_GetCtrlIRQ(IRQn);
    cur_ctrl = cur_ctrl << nlbits;
    cur_ctrl = cur_ctrl >> nlbits;
    __ECLIC_SetCtrlIRQ(IRQn, (cur_ctrl | lvl));
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetLevelIRQ(IRQn_Type IRQn)
{
    uint8_t nlbits = __ECLIC_GetCfgNlbits();
    uint8_t intctlbits = (uint8_t)__ECLIC_INTCTLBITS;
 
    if (nlbits == 0) {
        return 0;
    }
 
    if (nlbits > intctlbits) {
        nlbits = intctlbits;
    }
    uint8_t intctrl = __ECLIC_GetCtrlIRQ(IRQn);
    uint8_t lvl_abs = intctrl >> (ECLIC_MAX_NLBITS - nlbits);
    return lvl_abs;
}
 
__STATIC_FORCEINLINE void __ECLIC_SetPriorityIRQ(IRQn_Type IRQn, uint8_t pri)
{
    uint8_t nlbits = __ECLIC_GetCfgNlbits();
    uint8_t intctlbits = (uint8_t)__ECLIC_INTCTLBITS;
    if (nlbits < intctlbits) {
        uint8_t maxpri = ((1 << (intctlbits - nlbits)) - 1);
        if (pri > maxpri) {
            pri = maxpri;
        }
        pri = pri << (ECLIC_MAX_NLBITS - intctlbits);
        uint8_t mask = ((uint8_t)(-1)) >> intctlbits;
        pri = pri | mask;
        uint8_t cur_ctrl = __ECLIC_GetCtrlIRQ(IRQn);
        cur_ctrl = cur_ctrl >> (ECLIC_MAX_NLBITS - nlbits);
        cur_ctrl = cur_ctrl << (ECLIC_MAX_NLBITS - nlbits);
        __ECLIC_SetCtrlIRQ(IRQn, (cur_ctrl | pri));
    }
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetPriorityIRQ(IRQn_Type IRQn)
{
    uint8_t nlbits = __ECLIC_GetCfgNlbits();
    uint8_t intctlbits = (uint8_t)__ECLIC_INTCTLBITS;
    if (nlbits < intctlbits) {
        uint8_t cur_ctrl = __ECLIC_GetCtrlIRQ(IRQn);
        uint8_t pri = cur_ctrl << nlbits;
        pri = pri >> nlbits;
        pri = pri >> (ECLIC_MAX_NLBITS - intctlbits);
        return pri;
    } else {
        return 0;
    }
}
 
__STATIC_FORCEINLINE void __ECLIC_SetVector(IRQn_Type IRQn, rv_csr_t vector)
{
    volatile unsigned long vec_base;
    vec_base = ((unsigned long)__RV_CSR_READ(CSR_MTVT));
    vec_base += ((unsigned long)IRQn) * sizeof(unsigned long);
    (* (unsigned long *) vec_base) = vector;
#if (defined(__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1))
#if (defined(__CCM_PRESENT) && (__CCM_PRESENT == 1))
    MFlushDCacheLine((unsigned long)vec_base);
#endif
#endif
#if (defined(__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1))
#if (defined(__CCM_PRESENT) && (__CCM_PRESENT == 1))
    MInvalICacheLine((unsigned long)vec_base);
#else
    __FENCE_I();
#endif
#endif
}
 
__STATIC_FORCEINLINE rv_csr_t __ECLIC_GetVector(IRQn_Type IRQn)
{
#if __RISCV_XLEN == 32
    return (*(uint32_t *)(__RV_CSR_READ(CSR_MTVT) + IRQn * 4));
#elif __RISCV_XLEN == 64
    return (*(uint64_t *)(__RV_CSR_READ(CSR_MTVT) + IRQn * 8));
#else // TODO Need cover for XLEN=128 case in future
    return (*(uint64_t *)(__RV_CSR_READ(CSR_MTVT) + IRQn * 8));
#endif
}
 
#if defined(__TEE_PRESENT) && (__TEE_PRESENT == 1)
 
__STATIC_FORCEINLINE void __ECLIC_SetModeIRQ(IRQn_Type IRQn, uint32_t mode)
{
    /*
     * only 1 or 3 can be assigned to mode in one step.the default value of mode is 3,
     * which can't be clear to 0 firstly, then OR it to 1
     */
    ECLIC->CTRL[IRQn].INTATTR = (uint8_t)(mode << CLIC_INTATTR_MODE_Pos) + \
        (ECLIC->SCTRL[IRQn].INTATTR & (~CLIC_INTATTR_MODE_Msk));
}
 
__STATIC_FORCEINLINE void __ECLIC_SetSth(uint8_t sth)
{
    ECLIC->STH = sth;
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetSth(void)
{
    return (ECLIC->STH);
}
 
__STATIC_FORCEINLINE void __ECLIC_SetTrigIRQ_S(IRQn_Type IRQn, uint32_t trig)
{
    ECLIC->SCTRL[IRQn].INTATTR &= ~CLIC_INTATTR_TRIG_Msk;
    ECLIC->SCTRL[IRQn].INTATTR |= (uint8_t)(trig << CLIC_INTATTR_TRIG_Pos);
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetTrigIRQ_S(IRQn_Type IRQn)
{
    return ((uint8_t)(((ECLIC->SCTRL[IRQn].INTATTR) & CLIC_INTATTR_TRIG_Msk) >> CLIC_INTATTR_TRIG_Pos));
}
 
 
__STATIC_FORCEINLINE void __ECLIC_SetShvIRQ_S(IRQn_Type IRQn, uint32_t shv)
{
    ECLIC->SCTRL[IRQn].INTATTR &= ~CLIC_INTATTR_SHV_Msk;
    ECLIC->SCTRL[IRQn].INTATTR |= (uint8_t)(shv << CLIC_INTATTR_SHV_Pos);
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetShvIRQ_S(IRQn_Type IRQn)
{
    return ((uint8_t)(((ECLIC->SCTRL[IRQn].INTATTR) & CLIC_INTATTR_SHV_Msk) >> CLIC_INTATTR_SHV_Pos));
}
 
__STATIC_FORCEINLINE void __ECLIC_SetCtrlIRQ_S(IRQn_Type IRQn, uint8_t intctrl)
{
    ECLIC->SCTRL[IRQn].INTCTRL = intctrl;
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetCtrlIRQ_S(IRQn_Type IRQn)
{
    return (ECLIC->SCTRL[IRQn].INTCTRL);
}
 
__STATIC_FORCEINLINE void __ECLIC_SetLevelIRQ_S(IRQn_Type IRQn, uint8_t lvl_abs)
{
    uint8_t nlbits = __ECLIC_GetCfgNlbits();
    uint8_t intctlbits = (uint8_t)__ECLIC_INTCTLBITS;
 
    if (nlbits == 0) {
        return;
    }
 
    if (nlbits > intctlbits) {
        nlbits = intctlbits;
    }
    uint8_t maxlvl = ((1 << nlbits) - 1);
    if (lvl_abs > maxlvl) {
        lvl_abs = maxlvl;
    }
    uint8_t lvl = lvl_abs << (ECLIC_MAX_NLBITS - nlbits);
    uint8_t cur_ctrl = __ECLIC_GetCtrlIRQ_S(IRQn);
    cur_ctrl = cur_ctrl << nlbits;
    cur_ctrl = cur_ctrl >> nlbits;
    __ECLIC_SetCtrlIRQ_S(IRQn, (cur_ctrl | lvl));
}
 
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetLevelIRQ_S(IRQn_Type IRQn)
{
    uint8_t nlbits = __ECLIC_GetCfgNlbits();
    uint8_t intctlbits = (uint8_t)__ECLIC_INTCTLBITS;
 
    if (nlbits == 0) {
        return 0;
    }
 
    if (nlbits > intctlbits) {
        nlbits = intctlbits;
    }
    uint8_t intctrl = __ECLIC_GetCtrlIRQ_S(IRQn);
    uint8_t lvl_abs = intctrl >> (ECLIC_MAX_NLBITS - nlbits);
    return lvl_abs;
}
 
__STATIC_FORCEINLINE void __ECLIC_SetPriorityIRQ_S(IRQn_Type IRQn, uint8_t pri)
{
    uint8_t nlbits = __ECLIC_GetCfgNlbits();
    uint8_t intctlbits = (uint8_t)__ECLIC_INTCTLBITS;
    if (nlbits < intctlbits) {
        uint8_t maxpri = ((1 << (intctlbits - nlbits)) - 1);
        if (pri > maxpri) {
            pri = maxpri;
        }
        pri = pri << (ECLIC_MAX_NLBITS - intctlbits);
        uint8_t mask = ((uint8_t)(-1)) >> intctlbits;
        pri = pri | mask;
        uint8_t cur_ctrl = __ECLIC_GetCtrlIRQ_S(IRQn);
        cur_ctrl = cur_ctrl >> (ECLIC_MAX_NLBITS - nlbits);
        cur_ctrl = cur_ctrl << (ECLIC_MAX_NLBITS - nlbits);
        __ECLIC_SetCtrlIRQ_S(IRQn, (cur_ctrl | pri));
    }
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetPriorityIRQ_S(IRQn_Type IRQn)
{
    uint8_t nlbits = __ECLIC_GetCfgNlbits();
    uint8_t intctlbits = (uint8_t)__ECLIC_INTCTLBITS;
    if (nlbits < intctlbits) {
        uint8_t cur_ctrl = __ECLIC_GetCtrlIRQ_S(IRQn);
        uint8_t pri = cur_ctrl << nlbits;
        pri = pri >> nlbits;
        pri = pri >> (ECLIC_MAX_NLBITS - intctlbits);
        return pri;
    } else {
        return 0;
    }
}
 
__STATIC_FORCEINLINE void __ECLIC_EnableIRQ_S(IRQn_Type IRQn)
{
    ECLIC->SCTRL[IRQn].INTIE |= CLIC_INTIE_IE_Msk;
}
 
__STATIC_FORCEINLINE uint8_t __ECLIC_GetEnableIRQ_S(IRQn_Type IRQn)
{
    return ((uint8_t) (ECLIC->SCTRL[IRQn].INTIE) & CLIC_INTIE_IE_Msk);
}
 
__STATIC_FORCEINLINE void __ECLIC_DisableIRQ_S(IRQn_Type IRQn)
{
    ECLIC->SCTRL[IRQn].INTIE &= ~CLIC_INTIE_IE_Msk;
}
 
__STATIC_FORCEINLINE void __ECLIC_SetVector_S(IRQn_Type IRQn, rv_csr_t vector)
{
    volatile unsigned long vec_base;
    vec_base = ((unsigned long)__RV_CSR_READ(CSR_STVT));
    vec_base += ((unsigned long)IRQn) * sizeof(unsigned long);
    (* (unsigned long *) vec_base) = vector;
#if (defined(__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1))
#if (defined(__CCM_PRESENT) && (__CCM_PRESENT == 1))
    SFlushDCacheLine((unsigned long)vec_base);
#endif
#endif
#if (defined(__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1))
#if (defined(__CCM_PRESENT) && (__CCM_PRESENT == 1))
    SInvalICacheLine((unsigned long)vec_base);
#else
    __FENCE_I();
#endif
#endif
}
 
__STATIC_FORCEINLINE rv_csr_t __ECLIC_GetVector_S(IRQn_Type IRQn)
{
#if __RISCV_XLEN == 32
    return (*(uint32_t *)(__RV_CSR_READ(CSR_STVT) + IRQn * 4));
#elif __RISCV_XLEN == 64
    return (*(uint64_t *)(__RV_CSR_READ(CSR_STVT) + IRQn * 8));
#else // TODO Need cover for XLEN=128 case in future
    return (*(uint64_t *)(__RV_CSR_READ(CSR_STVT) + IRQn * 8));
#endif
}
 
#endif /* defined(__TEE_PRESENT) && (__TEE_PRESENT == 1) */
 
__STATIC_FORCEINLINE void __set_exc_entry(rv_csr_t addr)
{
    addr &= (rv_csr_t)(~0x3F);
    addr |= ECLIC_MODE_MTVEC_Msk;
    __RV_CSR_WRITE(CSR_MTVEC, addr);
}
 
__STATIC_FORCEINLINE rv_csr_t __get_exc_entry(void)
{
    unsigned long addr = __RV_CSR_READ(CSR_MTVEC);
    return (addr & ~ECLIC_MODE_MTVEC_Msk);
}
 
__STATIC_FORCEINLINE void __set_nonvec_entry(rv_csr_t addr)
{
    if (__RV_CSR_READ(CSR_MTVT2) & 0x1) {
        __RV_CSR_WRITE(CSR_MTVT2, addr | 0x01);
    } else {
        addr &= (rv_csr_t)(~0x3F);
        addr |= ECLIC_MODE_MTVEC_Msk;
        __RV_CSR_WRITE(CSR_MTVEC, addr);
    }
}
 
__STATIC_FORCEINLINE rv_csr_t __get_nonvec_entry(void)
{
    if (__RV_CSR_READ(CSR_MTVT2) & 0x1) {
        return __RV_CSR_READ(CSR_MTVT2) & (~(rv_csr_t)(0x1));
    } else {
        rv_csr_t addr = __RV_CSR_READ(CSR_MTVEC);
        return (addr & ~ECLIC_MODE_MTVEC_Msk);
    }
}
 
__STATIC_FORCEINLINE rv_csr_t __get_nmi_entry(void)
{
    return __RV_CSR_READ(CSR_MNVEC);
}
 
#define SAVE_IRQ_CSR_CONTEXT()                                              \
        rv_csr_t __mcause = __RV_CSR_READ(CSR_MCAUSE);                      \
        rv_csr_t __mepc = __RV_CSR_READ(CSR_MEPC);                          \
        rv_csr_t __msubm = __RV_CSR_READ(CSR_MSUBM);                        \
        __enable_irq();
 
#define SAVE_IRQ_CSR_CONTEXT_S()                                            \
        rv_csr_t __scause = __RV_CSR_READ(CSR_SCAUSE);                      \
        rv_csr_t __sepc = __RV_CSR_READ(CSR_SEPC);                          \
        __enable_irq_s();
 
 
#define RESTORE_IRQ_CSR_CONTEXT()                                           \
        __disable_irq();                                                    \
        __RV_CSR_WRITE(CSR_MSUBM, __msubm);                                 \
        __RV_CSR_WRITE(CSR_MEPC, __mepc);                                   \
        __RV_CSR_WRITE(CSR_MCAUSE, __mcause);
 
#define RESTORE_IRQ_CSR_CONTEXT_S()                                         \
        __disable_irq_s();                                                  \
        __RV_CSR_WRITE(CSR_SEPC, __sepc);                                   \
        __RV_CSR_WRITE(CSR_SCAUSE, __scause);
 /* End of Doxygen Group NMSIS_Core_IntExc */
 
#endif /* defined(__ECLIC_PRESENT) && (__ECLIC_PRESENT == 1) */
 
#ifdef __cplusplus
}
#endif
#endif /* __CORE_FEATURE_ECLIC__ */