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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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0a61cf54e7
I tried to adjust my heap to FreeRTOS. This is my very first commit to FreeRTOS, i don't even know how to compile the kernel. Maybe You get it running and let me know what You think about it. https://forums.freertos.org/t/real-time-memory-manager/19685
129 lines
5.2 KiB
C
129 lines
5.2 KiB
C
//================
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// offset_index.h
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//================
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// Sorted offsets of free memory-blocks with the same size
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// Copyright 2024, Sven Bieg (svenbieg@web.de)
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// http://github.com/svenbieg/Heap
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#ifndef _OFFSET_INDEX_H
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#define _OFFSET_INDEX_H
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//=======
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// Using
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//=======
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#include "cluster_group.h"
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//=======
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// Group
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//=======
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typedef cluster_group_t offset_index_group_t;
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// Access
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size_t offset_index_group_get_first_offset(offset_index_group_t* group);
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size_t offset_index_group_get_last_offset(offset_index_group_t* group);
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// Modification
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bool offset_index_group_add_offset(heap_handle_t heap, offset_index_group_t* group, size_t offset, bool again);
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void offset_index_group_remove_offset(heap_handle_t heap, offset_index_group_t* group, size_t offset);
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size_t offset_index_group_remove_offset_at(heap_handle_t heap, offset_index_group_t* group, size_t at);
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//============
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// Item-group
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//============
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typedef struct offset_index_item_group_t
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{
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cluster_group_t header;
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size_t items[CLUSTER_GROUP_SIZE];
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}offset_index_item_group_t;
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// Con-/Destructors
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offset_index_item_group_t* offset_index_item_group_create(heap_handle_t heap);
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// Access
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size_t offset_index_item_group_get_first_offset(offset_index_item_group_t* group);
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uint16_t offset_index_item_group_get_item_pos(offset_index_item_group_t* group, size_t offset, bool* exists_ptr);
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size_t offset_index_item_group_get_last_offset(offset_index_item_group_t* group);
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// Modification
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bool offset_index_item_group_add_offset(offset_index_item_group_t* group, size_t offset);
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void offset_index_item_group_append_items(offset_index_item_group_t* group, size_t const* items, uint16_t count);
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void offset_index_item_group_insert_items(offset_index_item_group_t* group, uint16_t at, size_t const* insert, uint16_t count);
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size_t offset_index_item_group_remove_item(offset_index_item_group_t* group, uint16_t at);
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void offset_index_item_group_remove_offset(offset_index_item_group_t* group, size_t offset);
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size_t offset_index_item_group_remove_offset_at(offset_index_item_group_t* group, size_t at, bool passive);
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void offset_index_item_group_remove_items(offset_index_item_group_t* group, uint16_t at, uint16_t count);
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//==============
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// Parent-group
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//==============
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typedef struct
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{
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cluster_group_t header;
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size_t item_count;
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size_t first_offset;
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size_t last_offset;
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offset_index_group_t* children[CLUSTER_GROUP_SIZE];
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}offset_index_parent_group_t;
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// Con-/Destructors
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offset_index_parent_group_t* offset_index_parent_group_create(heap_handle_t heap, uint16_t level);
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offset_index_parent_group_t* offset_index_parent_group_create_with_child(heap_handle_t heap, offset_index_group_t* child);
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// Access
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uint16_t offset_index_parent_group_get_item_pos(offset_index_parent_group_t* group, size_t offset, uint16_t* pos_ptr, bool must_exist);
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// Modification
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bool offset_index_parent_group_add_offset(heap_handle_t heap, offset_index_parent_group_t* group, size_t offset, bool again);
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bool offset_index_parent_group_add_offset_internal(heap_handle_t heap, offset_index_parent_group_t* group, size_t offset, bool again);
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void offset_index_parent_group_append_groups(offset_index_parent_group_t* group, offset_index_group_t* const* append, uint16_t count);
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bool offset_index_parent_group_combine_child(heap_handle_t heap, offset_index_parent_group_t* group, uint16_t at);
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void offset_index_parent_group_combine_children(heap_handle_t heap, offset_index_parent_group_t* group);
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void offset_index_parent_group_insert_groups(offset_index_parent_group_t* group, uint16_t at, offset_index_group_t* const* insert, uint16_t count);
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void offset_index_parent_group_move_children(offset_index_parent_group_t* group, uint16_t from, uint16_t to, uint16_t count);
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void offset_index_parent_group_move_empty_slot(offset_index_parent_group_t* group, uint16_t from, uint16_t to);
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void offset_index_parent_group_remove_groups(offset_index_parent_group_t* group, uint16_t at, uint16_t count);
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void offset_index_parent_group_remove_offset(heap_handle_t heap, offset_index_parent_group_t* group, size_t offset);
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size_t offset_index_parent_group_remove_offset_at(heap_handle_t heap, offset_index_parent_group_t* group, size_t at, bool passive);
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bool offset_index_parent_group_shift_children(offset_index_parent_group_t* group, uint16_t at, uint16_t count);
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bool offset_index_parent_group_split_child(heap_handle_t heap, offset_index_parent_group_t* group, uint16_t at);
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void offset_index_parent_group_update_bounds(offset_index_parent_group_t* group);
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//=======
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// Index
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//=======
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typedef struct
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{
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offset_index_group_t* root;
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}offset_index_t;
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// Con-/Destructors
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void offset_index_init(offset_index_t* index);
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// Access
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inline size_t offset_index_get_offset_count(offset_index_t* index)
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{
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return cluster_group_get_item_count((cluster_group_t*)index->root);
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}
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// Modification
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bool offset_index_add_offset(heap_handle_t heap, offset_index_t* index, size_t offset);
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void offset_index_drop_root(heap_handle_t heap, offset_index_t* index);
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bool offset_index_lift_root(heap_handle_t heap, offset_index_t* index);
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void offset_index_remove_offset(heap_handle_t heap, offset_index_t* index, size_t offset);
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size_t offset_index_remove_offset_at(heap_handle_t heap, offset_index_t* index, size_t at);
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#endif // _OFFSET_INDEX_H
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