core_feature_cache.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_CACHE_H__
#define __CORE_FEATURE_CACHE_H__
 
/*
 * Cache Feature Configuration Macro:
 * 1. __ICACHE_PRESENT:  Define whether I-Cache Unit is present or not.
 *   * 0: Not present
 *   * 1: Present
 * 2. __DCACHE_PRESENT:  Define whether D-Cache Unit is present or not.
 *   * 0: Not present
 *   * 1: Present
 * 3. __CCM_PRESENT:  Define whether Nuclei Cache Control and Maintainence(CCM) Unit is present or not.
 *   * 0: Not present
 *   * 1: Present
 */
#ifdef __cplusplus
 extern "C" {
#endif
 
#include "core_feature_base.h"
 
 
#if defined(__CCM_PRESENT) && (__CCM_PRESENT == 1)
 
/* ##########################  Cache functions  #################################### */
typedef enum CCM_OP_FINFO {
    CCM_OP_SUCCESS = 0x0,               
    CCM_OP_EXCEED_ERR = 0x1,            
    CCM_OP_PERM_CHECK_ERR = 0x2,        
    CCM_OP_REFILL_BUS_ERR = 0x3,        
    CCM_OP_ECC_ERR = 0x4                
} CCM_OP_FINFO_Type;
 
typedef enum CCM_CMD {
    CCM_DC_INVAL = 0x0,                 
    CCM_DC_WB = 0x1,                    
    CCM_DC_WBINVAL = 0x2,               
    CCM_DC_LOCK = 0x3,                  
    CCM_DC_UNLOCK = 0x4,                
    CCM_DC_WBINVAL_ALL = 0x6,           
    CCM_DC_WB_ALL = 0x7,                
    CCM_DC_INVAL_ALL = 0x17,            
    CCM_IC_INVAL = 0x8,                 
    CCM_IC_LOCK = 0xb,                  
    CCM_IC_UNLOCK = 0xc,                
    CCM_IC_INVAL_ALL = 0xd              
} CCM_CMD_Type;
 
typedef struct CacheInfo {
    uint32_t linesize;                  
    uint32_t ways;                      
    uint32_t setperway;                 
    uint32_t size;                      
} CacheInfo_Type;
 
#if __riscv_xlen == 32
#define CCM_SUEN_SUEN_Msk               (0xFFFFFFFFUL)              
#else
#define CCM_SUEN_SUEN_Msk               (0xFFFFFFFFFFFFFFFFUL)      
#endif
 
__STATIC_FORCEINLINE void EnableSUCCM(void)
{
    __RV_CSR_SET(CSR_CCM_SUEN, CCM_SUEN_SUEN_Msk);
}
 
__STATIC_FORCEINLINE void DisableSUCCM(void)
{
    __RV_CSR_CLEAR(CSR_CCM_SUEN, CCM_SUEN_SUEN_Msk);
}
 
__STATIC_FORCEINLINE void FlushPipeCCM(void)
{
    __RV_CSR_WRITE(CSR_CCM_FPIPE, 0x1);
} /* End of Doxygen Group NMSIS_Core_Cache */
#endif
 
#if defined(__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1)
 
__STATIC_FORCEINLINE int32_t ICachePresent(void)
{
    if (__RV_CSR_READ(CSR_MCFG_INFO) & MCFG_INFO_ICACHE) {
        return 1;
    }
    return 0;
}
 
__STATIC_FORCEINLINE void EnableICache(void)
{
    __RV_CSR_SET(CSR_MCACHE_CTL, MCACHE_CTL_IC_EN);
}
 
__STATIC_FORCEINLINE void DisableICache(void)
{
    __RV_CSR_CLEAR(CSR_MCACHE_CTL, MCACHE_CTL_IC_EN);
}
 
__STATIC_FORCEINLINE void EnableICacheECC(void)
{
    __RV_CSR_SET(CSR_MCACHE_CTL, MCACHE_CTL_IC_ECC_EN);
}
 
__STATIC_FORCEINLINE void DisableICacheECC(void)
{
    __RV_CSR_CLEAR(CSR_MCACHE_CTL, MCACHE_CTL_IC_ECC_EN);
}
 
#if defined(__CCM_PRESENT) && (__CCM_PRESENT == 1)
 
__STATIC_FORCEINLINE int32_t GetICacheInfo(CacheInfo_Type *info)
{
    if (info == NULL) {
        return -1;
    }
    CSR_MICFGINFO_Type csr_ccfg = (CSR_MICFGINFO_Type)__RV_CSR_READ(CSR_MICFG_INFO);
    info->setperway = (1 << csr_ccfg.b.set) << 3;
    info->ways = (1 + csr_ccfg.b.way);
    if (csr_ccfg.b.lsize == 0) {
        info->linesize = 0;
    } else {
        info->linesize = (1 << (csr_ccfg.b.lsize - 1)) << 3;
    }
    info->size = info->setperway * info->ways * info->linesize;
    return 0;
}
 
__STATIC_FORCEINLINE void MInvalICacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_IC_INVAL);
}
 
__STATIC_FORCEINLINE void MInvalICacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_IC_INVAL);
        }
    }
}
 
__STATIC_FORCEINLINE void SInvalICacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_IC_INVAL);
}
 
__STATIC_FORCEINLINE void SInvalICacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_IC_INVAL);
        }
    }
}
 
__STATIC_FORCEINLINE void UInvalICacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_IC_INVAL);
}
 
__STATIC_FORCEINLINE void UInvalICacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_IC_INVAL);
        }
    }
}
 
__STATIC_FORCEINLINE unsigned long MLockICacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_IC_LOCK);
    return __RV_CSR_READ(CSR_CCM_MDATA);
}
 
__STATIC_FORCEINLINE unsigned long MLockICacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        unsigned long fail_info = CCM_OP_SUCCESS;
        __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_IC_LOCK);
            fail_info = __RV_CSR_READ(CSR_CCM_MDATA);
            if (CCM_OP_SUCCESS != fail_info) {
                return fail_info;
            }
        }
    }
    return CCM_OP_SUCCESS;
}
 
__STATIC_FORCEINLINE unsigned long SLockICacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_IC_LOCK);
    return __RV_CSR_READ(CSR_CCM_SDATA);
}
 
__STATIC_FORCEINLINE unsigned long SLockICacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        unsigned long fail_info = CCM_OP_SUCCESS;
        __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_IC_LOCK);
            fail_info = __RV_CSR_READ(CSR_CCM_SDATA);
            if (CCM_OP_SUCCESS != fail_info) {
                return fail_info;
            }
        }
    }
    return CCM_OP_SUCCESS;
}
 
__STATIC_FORCEINLINE unsigned long ULockICacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_IC_LOCK);
    return __RV_CSR_READ(CSR_CCM_UDATA);
}
 
__STATIC_FORCEINLINE unsigned long ULockICacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        unsigned long fail_info = CCM_OP_SUCCESS;
        __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_IC_LOCK);
            fail_info = __RV_CSR_READ(CSR_CCM_UDATA);
            if (CCM_OP_SUCCESS != fail_info) {
                return fail_info;
            }
        }
    }
    return CCM_OP_SUCCESS;
}
 
__STATIC_FORCEINLINE void MUnlockICacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_IC_UNLOCK);
}
 
__STATIC_FORCEINLINE void MUnlockICacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_IC_UNLOCK);
        }
    }
}
 
__STATIC_FORCEINLINE void SUnlockICacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_IC_UNLOCK);
}
 
__STATIC_FORCEINLINE void SUnlockICacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_IC_UNLOCK);
        }
    }
}
 
__STATIC_FORCEINLINE void UUnlockICacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_IC_UNLOCK);
}
 
__STATIC_FORCEINLINE void UUnlockICacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_IC_UNLOCK);
        }
    }
}
 
__STATIC_FORCEINLINE void MInvalICache(void)
{
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_IC_INVAL_ALL);
}
 
__STATIC_FORCEINLINE void SInvalICache(void)
{
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_IC_INVAL_ALL);
}
 
__STATIC_FORCEINLINE void UInvalICache(void)
{
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_IC_INVAL_ALL);
}
#endif /* defined(__CCM_PRESENT) && (__CCM_PRESENT == 1) */
 /* End of Doxygen Group NMSIS_Core_ICache */
#endif /* defined(__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1) */
 
#if defined(__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1)
 
__STATIC_FORCEINLINE int32_t DCachePresent(void)
{
    if (__RV_CSR_READ(CSR_MCFG_INFO) & MCFG_INFO_DCACHE) {
        return 1;
    }
    return 0;
}
 
__STATIC_FORCEINLINE void EnableDCache(void)
{
    __RV_CSR_SET(CSR_MCACHE_CTL, MCACHE_CTL_DC_EN);
}
 
__STATIC_FORCEINLINE void DisableDCache(void)
{
    __RV_CSR_CLEAR(CSR_MCACHE_CTL, MCACHE_CTL_DC_EN);
}
 
__STATIC_FORCEINLINE void EnableDCacheECC(void)
{
    __RV_CSR_SET(CSR_MCACHE_CTL, MCACHE_CTL_DC_ECC_EN);
}
 
__STATIC_FORCEINLINE void DisableDCacheECC(void)
{
    __RV_CSR_CLEAR(CSR_MCACHE_CTL, MCACHE_CTL_DC_ECC_EN);
}
 
#if defined(__CCM_PRESENT) && (__CCM_PRESENT == 1)
 
__STATIC_FORCEINLINE int32_t GetDCacheInfo(CacheInfo_Type *info)
{
    if (info == NULL) {
        return -1;
    }
    CSR_MDCFGINFO_Type csr_ccfg = (CSR_MDCFGINFO_Type)__RV_CSR_READ(CSR_MDCFG_INFO);
    info->setperway = (1 << csr_ccfg.b.set) << 3;
    info->ways = (1 + csr_ccfg.b.way);
    if (csr_ccfg.b.lsize == 0) {
        info->linesize = 0;
    } else {
        info->linesize = (1 << (csr_ccfg.b.lsize - 1)) << 3;
    }
    info->size = info->setperway * info->ways * info->linesize;
    return 0;
}
 
__STATIC_FORCEINLINE void MInvalDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_INVAL);
}
 
__STATIC_FORCEINLINE void MInvalDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_INVAL);
        }
    }
}
 
__STATIC_FORCEINLINE void SInvalDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_INVAL);
}
 
__STATIC_FORCEINLINE void SInvalDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_INVAL);
        }
    }
}
 
__STATIC_FORCEINLINE void UInvalDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_INVAL);
}
 
__STATIC_FORCEINLINE void UInvalDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_INVAL);
        }
    }
}
 
__STATIC_FORCEINLINE void MFlushDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_WB);
}
 
__STATIC_FORCEINLINE void MFlushDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_WB);
        }
    }
}
 
__STATIC_FORCEINLINE void SFlushDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_WB);
}
 
__STATIC_FORCEINLINE void SFlushDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_WB);
        }
    }
}
 
__STATIC_FORCEINLINE void UFlushDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_WB);
}
 
__STATIC_FORCEINLINE void UFlushDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_WB);
        }
    }
}
 
__STATIC_FORCEINLINE void MFlushInvalDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_WBINVAL);
}
 
__STATIC_FORCEINLINE void MFlushInvalDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_WBINVAL);
        }
    }
}
 
__STATIC_FORCEINLINE void SFlushInvalDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_WBINVAL);
}
 
__STATIC_FORCEINLINE void SFlushInvalDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_WBINVAL);
        }
    }
}
 
__STATIC_FORCEINLINE void UFlushInvalDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_WBINVAL);
}
 
__STATIC_FORCEINLINE void UFlushInvalDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_WBINVAL);
        }
    }
}
 
__STATIC_FORCEINLINE unsigned long MLockDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_LOCK);
    return __RV_CSR_READ(CSR_CCM_MDATA);
}
 
__STATIC_FORCEINLINE unsigned long MLockDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        unsigned long fail_info = CCM_OP_SUCCESS;
        __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_LOCK);
            fail_info = __RV_CSR_READ(CSR_CCM_MDATA);
            if (CCM_OP_SUCCESS != fail_info) {
                return fail_info;
            }
        }
    }
    return CCM_OP_SUCCESS;
}
 
__STATIC_FORCEINLINE unsigned long SLockDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_LOCK);
    return __RV_CSR_READ(CSR_CCM_SDATA);
}
 
__STATIC_FORCEINLINE unsigned long SLockDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        unsigned long fail_info = CCM_OP_SUCCESS;
        __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_LOCK);
            fail_info = __RV_CSR_READ(CSR_CCM_SDATA);
            if (CCM_OP_SUCCESS != fail_info) {
                return fail_info;
            }
        }
    }
    return CCM_OP_SUCCESS;
}
 
__STATIC_FORCEINLINE unsigned long ULockDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_LOCK);
    return __RV_CSR_READ(CSR_CCM_UDATA);
}
 
__STATIC_FORCEINLINE unsigned long ULockDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        unsigned long fail_info = CCM_OP_SUCCESS;
        __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_LOCK);
            fail_info = __RV_CSR_READ(CSR_CCM_UDATA);
            if (CCM_OP_SUCCESS != fail_info) {
                return fail_info;
            }
        }
    }
    return CCM_OP_SUCCESS;
}
 
__STATIC_FORCEINLINE void MUnlockDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_UNLOCK);
}
 
__STATIC_FORCEINLINE void MUnlockDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_MBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_UNLOCK);
        }
    }
}
 
__STATIC_FORCEINLINE void SUnlockDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_UNLOCK);
}
 
__STATIC_FORCEINLINE void SUnlockDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_SBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_UNLOCK);
        }
    }
}
 
__STATIC_FORCEINLINE void UUnlockDCacheLine(unsigned long addr)
{
    __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_UNLOCK);
}
 
__STATIC_FORCEINLINE void UUnlockDCacheLines(unsigned long addr, unsigned long cnt)
{
    if (cnt > 0) {
        unsigned long i;
        __RV_CSR_WRITE(CSR_CCM_UBEGINADDR, addr);
        for (i = 0; i < cnt; i++) {
            __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_UNLOCK);
        }
    }
}
 
__STATIC_FORCEINLINE void MInvalDCache(void)
{
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_INVAL_ALL);
}
 
__STATIC_FORCEINLINE void SInvalDCache(void)
{
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_INVAL_ALL);
}
 
__STATIC_FORCEINLINE void UInvalDCache(void)
{
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_INVAL_ALL);
}
 
__STATIC_FORCEINLINE void MFlushDCache(void)
{
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_WB_ALL);
}
 
__STATIC_FORCEINLINE void SFlushDCache(void)
{
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_WB_ALL);
}
 
__STATIC_FORCEINLINE void UFlushDCache(void)
{
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_WB_ALL);
}
 
__STATIC_FORCEINLINE void MFlushInvalDCache(void)
{
    __RV_CSR_WRITE(CSR_CCM_MCOMMAND, CCM_DC_WBINVAL_ALL);
}
 
__STATIC_FORCEINLINE void SFlushInvalDCache(void)
{
    __RV_CSR_WRITE(CSR_CCM_SCOMMAND, CCM_DC_WBINVAL_ALL);
}
 
__STATIC_FORCEINLINE void UFlushInvalDCache(void)
{
    __RV_CSR_WRITE(CSR_CCM_UCOMMAND, CCM_DC_WBINVAL_ALL);
}
#endif /* defined(__CCM_PRESENT) && (__CCM_PRESENT == 1) */
 /* End of Doxygen Group NMSIS_Core_DCache */
#endif /* defined(__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1) */
 
#ifdef __cplusplus
}
#endif
#endif /* __CORE_FEATURE_CACHE_H__ */