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Dependencies: MAX44000 PWM_Tone_Library nexpaq_mdk
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page_allocator.h
00001 /* 00002 * Copyright (c) 2016, ARM Limited, All Rights Reserved 00003 * SPDX-License-Identifier: Apache-2.0 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); you may 00006 * not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 00013 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 */ 00017 #ifndef __UVISOR_API_PAGE_ALLOCATOR_H__ 00018 #define __UVISOR_API_PAGE_ALLOCATOR_H__ 00019 00020 #include "api/inc/uvisor_exports.h" 00021 #include "api/inc/page_allocator_exports.h" 00022 #include <stdint.h> 00023 00024 /* Allocate a number of requested pages with the requested page size. 00025 * @param table.page_size[in] Must be equal to the current page size 00026 * @param table.page_count[in] The number of pages to be allocated 00027 * @param table.page_origins[out] Pointers to the page origins. The table must be large enough to hold page_count entries. 00028 * @returns Non-zero on failure with failure class `UVISOR_ERROR_CLASS_PAGE`. See `UVISOR_ERROR_PAGE_*`. 00029 */ 00030 UVISOR_EXTERN int uvisor_page_malloc(UvisorPageTable * const table); 00031 00032 /* Free the pages associated with the table, only if it passes validation. 00033 * @returns Non-zero on failure with failure class `UVISOR_ERROR_CLASS_PAGE`. See `UVISOR_ERROR_PAGE_*`. 00034 */ 00035 UVISOR_EXTERN int uvisor_page_free(const UvisorPageTable * const table); 00036 00037 /* @returns the active page size for one page. */ 00038 UVISOR_EXTERN uint32_t uvisor_get_page_size(void); 00039 00040 #endif /* __UVISOR_API_PAGE_ALLOCATOR_H__ */
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