xiuos3/kernel/memory/isolation.c

59 lines
1.5 KiB
C

/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file: isolation.c
* @brief: memory access structure definitions of ARM/RISCV
* @version: 1.0
* @author: AIIT XUOS Lab
* @date: 2020/3/15
*
*/
#include <xs_isolation.h>
#ifdef TASK_ISOLATION
#if defined(ARCH_ARM) && defined(SURPORT_MPU)
struct Mpu *isolation = NONE;
struct MemoryAccessLimit mem_access = {
.Enable = MpuEnable ,
.Disable = MpuDisable ,
.Init = MpuInit ,
.InitIsolation = NONE,
.AddRegion = NONE,
.ClearRegion = NONE ,
.Free = NONE,
.Load = MpuLoad,
.FaultHandle = NONE,
};
#endif
#if defined(ARCH_RISCV) && defined(SURPORT_PMP)
struct Pmp *isolation = NONE;
struct MemoryAccessLimit mem_access = {
.Enable = NONE ,
.Disable = NONE ,
.Init = NONE ,
.InitIsolation = PmpInitIsolation,
.AddRegion = PmpAddTorRegion,
.ClearRegion = PmpClearRegion ,
.Free = PmpFree,
.Load = PmpLoad,
.FaultHandle = PmpAccessFaultHandle,
};
#endif
#endif