1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* flags for initial mapping struct */ 33 #define MMU_INITIAL_MAPPING_TEMPORARY (0x1) 34 #define MMU_INITIAL_MAPPING_FLAG_UNCACHED (0x2) 35 #define MMU_INITIAL_MAPPING_FLAG_DEVICE (0x4) 36 #define MMU_INITIAL_MAPPING_FLAG_DYNAMIC (0x8) 37 #ifndef ASSEMBLY 38 39 #ifndef __LOS_VM_BOOT_H__ 40 #define __LOS_VM_BOOT_H__ 41 42 #include "los_typedef.h" 43 44 #ifdef __cplusplus 45 #if __cplusplus 46 extern "C" { 47 #endif /* __cplusplus */ 48 #endif /* __cplusplus */ 49 50 #define OS_KHEAP_BLOCK_SIZE (512 * 1024UL) 51 52 typedef struct ArchMmuInitMapping { 53 PADDR_T phys; 54 VADDR_T virt; 55 size_t size; 56 unsigned int flags; 57 const char *name; 58 } LosArchMmuInitMapping; 59 60 extern LosArchMmuInitMapping g_archMmuInitMapping[]; 61 62 extern UINTPTR g_vmBootMemBase; 63 extern BOOL g_kHeapInited; 64 65 UINT32 OsVmAddrCheck(size_t tempAddr, size_t length); 66 VOID *OsVmBootMemAlloc(size_t len); 67 UINT32 OsSysMemInit(VOID); 68 VOID OsInitMappingStartUp(VOID); 69 70 #ifdef __cplusplus 71 #if __cplusplus 72 } 73 #endif /* __cplusplus */ 74 #endif /* __cplusplus */ 75 #endif /* __LOS_VM_BOOT_H__ */ 76 #endif /* ASSEMBLY */ 77