regions_mm.h File Reference

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Data Structures
struct	vmh_block_bundle_descriptor
struct	vmh_heap_config
	This is a struct that aggregates vmh_block_bundle_descriptor to create one cfg that can be passed to heap initiation. More...

Macros
#define	VIRTUAL_REGION_SHARED_HEAP_ATTR   1U /*< region for shared virtual heap */
#define	VIRTUAL_REGION_LLEXT_LIBRARIES_ATTR   2U /*< region for LLEXT libraries */
#define	VIRTUAL_REGION_VPAGES_ATTR   3U /*< region for virtual page allocator */
#define	MAX_MEMORY_ALLOCATORS_COUNT   10
#define	DEFAULT_CONFIG_ALOCATORS_COUNT   5

Functions
struct vmh_heap *	vmh_init_heap (const struct vmh_heap_config *cfg, bool allocating_continuously)
void *	vmh_alloc (struct vmh_heap *heap, uint32_t alloc_size)
int	vmh_free_heap (struct vmh_heap *heap)
int	vmh_free (struct vmh_heap *heap, void *ptr)
void	vmh_get_default_heap_config (const struct sys_mm_drv_region *region, struct vmh_heap_config *cfg)
static bool	vmh_is_ptr_in_memory_range (uintptr_t ptr, uintptr_t range_start, size_t range_size)
	Checks if ptr is in range of given memory range.

Macro Definition Documentation

DEFAULT_CONFIG_ALOCATORS_COUNT

#define DEFAULT_CONFIG_ALOCATORS_COUNT   5

MAX_MEMORY_ALLOCATORS_COUNT

#define MAX_MEMORY_ALLOCATORS_COUNT   10

VIRTUAL_REGION_LLEXT_LIBRARIES_ATTR

#define VIRTUAL_REGION_LLEXT_LIBRARIES_ATTR   2U /*< region for LLEXT libraries */

VIRTUAL_REGION_SHARED_HEAP_ATTR

#define VIRTUAL_REGION_SHARED_HEAP_ATTR   1U /*< region for shared virtual heap */

VIRTUAL_REGION_VPAGES_ATTR

#define VIRTUAL_REGION_VPAGES_ATTR   3U /*< region for virtual page allocator */

Function Documentation

vmh_alloc()

void * vmh_alloc	(	struct vmh_heap *	heap,
		uint32_t	alloc_size )

vmh_free()

int vmh_free	(	struct vmh_heap *	heap,
		void *	ptr )

vmh_free_heap()

int vmh_free_heap

(

struct vmh_heap *

heap

)

vmh_get_default_heap_config()

void vmh_get_default_heap_config	(	const struct sys_mm_drv_region *	region,
		struct vmh_heap_config *	cfg )

vmh_init_heap()

struct vmh_heap * vmh_init_heap	(	const struct vmh_heap_config *	cfg,
		bool	allocating_continuously )

vmh_is_ptr_in_memory_range()

bool vmh_is_ptr_in_memory_range ( uintptr_t ptr, uintptr_t range_start, size_t range_size )

inlinestatic

Checks if ptr is in range of given memory range.

Parameters

ptr	checked ptr
range_start	start of checked memory range
range_size	size of checked memory range.

Return values

false	if no overlap detected.
true	if any overlap detected.