First commit XiUOS

kernel/memory/isolation.c

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+/*
+* 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