Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

2026-07-06 11:30:13 +08:00
commit e76462eeb7
3451 changed files with 1415300 additions and 0 deletions
--- a/ohos/kernel/liteos_m/arch/include/los_mpu.h
+++ b/ohos/kernel/liteos_m/arch/include/los_mpu.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @defgroup memory protection
+ * @ingroup kernel
+ */
+
+#ifndef _LOS_MPU_H
+#define _LOS_MPU_H
+
+#include "los_compiler.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef enum {
+    MPU_RW_BY_PRIVILEGED_ONLY = 0,
+    MPU_RW_ANY = 1,
+    MPU_RO_BY_PRIVILEGED_ONLY = 2,
+    MPU_RO_ANY = 3,
+} MpuAccessPermission;
+
+typedef enum {
+    MPU_EXECUTABLE = 0,
+    MPU_NON_EXECUTABLE = 1,
+} MpuExecutable;
+
+typedef enum {
+    MPU_NO_SHARE = 0,
+    MPU_SHARE = 1,
+} MpuShareability;
+
+typedef enum {
+    MPU_MEM_ON_CHIP_ROM = 0,
+    MPU_MEM_ON_CHIP_RAM = 1,
+    MPU_MEM_XIP_PSRAM = 2,
+    MPU_MEM_XIP_NOR_FLASH = 3,
+    MPU_MEM_SHARE_MEM = 4,
+} MpuMemType;
+
+typedef struct {
+    UINT32 baseAddr;
+    UINT64 size; /* armv7 size == 2^x (5 <= x <= 32)  128B - 4GB */
+    MpuAccessPermission permission;
+    MpuExecutable executable;
+    MpuShareability shareability;
+    MpuMemType memType;
+} MPU_CFG_PARA;
+
+VOID ArchMpuEnable(UINT32 defaultRegionEnable);
+VOID ArchMpuDisable(VOID);
+UINT32 ArchMpuSetRegion(UINT32 regionId, MPU_CFG_PARA *para);
+UINT32 ArchMpuDisableRegion(UINT32 regionId);
+INT32 ArchMpuUnusedRegionGet(VOID);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_MPU_H */