84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "los_vm_boot.h"
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#include "los_config.h"
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#include "los_base.h"
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#include "los_vm_zone.h"
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#include "los_vm_map.h"
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#include "los_memory_pri.h"
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#include "los_vm_page.h"
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#include "los_arch_mmu.h"
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UINTPTR g_vmBootMemBase = (UINTPTR)&__bss_end;
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BOOL g_kHeapInited = FALSE;
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VOID *OsVmBootMemAlloc(size_t len)
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{
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UINTPTR ptr;
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if (g_kHeapInited) {
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VM_ERR("kernel heap has been initialized, do not to use boot memory allocation!");
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return NULL;
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}
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ptr = LOS_Align(g_vmBootMemBase, sizeof(UINTPTR));
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g_vmBootMemBase = ptr + LOS_Align(len, sizeof(UINTPTR));
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return (VOID *)ptr;
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}
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UINT32 OsSysMemInit(VOID)
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{
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STATUS_T ret;
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#ifdef LOSCFG_KERNEL_VM
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OsKSpaceInit();
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#endif
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ret = OsKHeapInit(OS_KHEAP_BLOCK_SIZE);
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if (ret != LOS_OK) {
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VM_ERR("OsKHeapInit fail\n");
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return LOS_NOK;
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}
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#ifdef LOSCFG_KERNEL_VM
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OsVmPageStartup();
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g_kHeapInited = TRUE;
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OsInitMappingStartUp();
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#else
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g_kHeapInited = TRUE;
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#endif
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return LOS_OK;
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}
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