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54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "drivers/mpu.h"
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#include <stddef.h>
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#define KERNEL_READONLY_DATA SECTION(".kernel_unpriv_ro_bss")
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enum MemoryRegionAssignments {
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MemoryRegion_Flash,
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MemoryRegion_ReadOnlyBss,
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MemoryRegion_ReadOnlyData,
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MemoryRegion_IsrStackGuard,
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MemoryRegion_AppRAM,
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MemoryRegion_WorkerRAM,
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MemoryRegion_TaskStackGuard,
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MemoryRegion_Task4
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};
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void memory_layout_dump_mpu_regions_to_dbgserial(void);
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void memory_layout_setup_mpu(void);
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const MpuRegion* memory_layout_get_app_region(void);
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const MpuRegion* memory_layout_get_app_stack_guard_region(void);
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const MpuRegion* memory_layout_get_readonly_bss_region(void);
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const MpuRegion* memory_layout_get_microflash_region(void);
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const MpuRegion* memory_layout_get_worker_region(void);
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const MpuRegion* memory_layout_get_worker_stack_guard_region(void);
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const MpuRegion* memory_layout_get_kernel_main_stack_guard_region(void);
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const MpuRegion* memory_layout_get_kernel_bg_stack_guard_region(void);
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bool memory_layout_is_pointer_in_region(const MpuRegion *region, const void *ptr);
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bool memory_layout_is_buffer_in_region(const MpuRegion *region, const void *buf, size_t length);
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bool memory_layout_is_cstring_in_region(const MpuRegion *region, const char *str, size_t max_length);
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