forked from xuos/xiuos
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/**
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file: xs_isolation.h
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* @brief: The macro and callback functions definitions for memory protect
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* @version: 1.0
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* @author: AIIT XUOS Lab
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* @date: 2020/4/14
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*
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*/
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#ifndef MEMORY_PROTECT_H
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#define MEMORY_PROTECT_H
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#include <xsconfig.h>
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#ifdef TASK_ISOLATION
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#include <xizi.h>
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#include <board.h>
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#if defined(ARCH_ARM) && defined(SURPORT_MPU)
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#include <mpu.h>
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extern struct Mpu *isolation ;
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#define MOMERY_PROTECT_ENABLE
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#endif
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#if defined(ARCH_RISCV) && defined(SURPORT_PMP)
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#include <pmp.h>
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extern struct Pmp *isolation ;
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#define MOMERY_PROTECT_ENABLE
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#endif
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#define REGION_TYPE_CODE (1)
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#define REGION_TYPE_DATA (2)
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#define REGION_TYPE_BSS (3)
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#define REGION_TYPE_HEAP (4)
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struct MemoryAccessLimit {
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void (* Enable)( uint32_t option);
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void (* Disable)(void);
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x_err_t (* Init)(void **mem_access);
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x_err_t (* InitIsolation)(void **mem_access, x_ubase stack_start , size_t stack_size);
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x_err_t (* AddRegion)(void *mem_access, x_ubase start , size_t size , uint8_t region_type );
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x_err_t (* ClearRegion)(void *mem_access, x_ubase addr);
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void (* Load)(void *mem_access);
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void (* Free)(void *mem_access);
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x_bool (* FaultHandle)(void *mem_access, x_ubase addr);
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};
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extern struct MemoryAccessLimit mem_access ;
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#endif
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#endif |