/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020-2021 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. */ /* flags for initial mapping struct */ #define MMU_INITIAL_MAPPING_TEMPORARY (0x1) #define MMU_INITIAL_MAPPING_FLAG_UNCACHED (0x2) #define MMU_INITIAL_MAPPING_FLAG_DEVICE (0x4) #define MMU_INITIAL_MAPPING_FLAG_DYNAMIC (0x8) #ifndef ASSEMBLY #ifndef __LOS_VM_BOOT_H__ #define __LOS_VM_BOOT_H__ #include "los_typedef.h" #ifdef __cplusplus #if __cplusplus extern "C" { #endif /* __cplusplus */ #endif /* __cplusplus */ #define OS_KHEAP_BLOCK_SIZE (512 * 1024UL) typedef struct ArchMmuInitMapping { PADDR_T phys;//物理地址 VADDR_T virt;//虚拟地址 size_t size;//大小 unsigned int flags;//标识 读/写/.. VM_MAP_REGION_FLAG_PERM_* const char *name;//名称 } LosArchMmuInitMapping; extern UINTPTR g_vmBootMemBase; extern BOOL g_kHeapInited; UINT32 OsVmAddrCheck(size_t tempAddr, size_t length); VOID *OsVmBootMemAlloc(size_t len); UINT32 OsSysMemInit(VOID); VOID OsInitMappingStartUp(VOID); #ifdef __cplusplus #if __cplusplus } #endif /* __cplusplus */ #endif /* __cplusplus */ #endif /* __LOS_VM_BOOT_H__ */ #endif /* ASSEMBLY */