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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2023 Ventana Micro Systems Inc.
*
* Authors:
* Anup Patel<apatel@ventanamicro.com>
*/
#ifndef __SBI_HEAP_H__
#define __SBI_HEAP_H__
#include <sbi/sbi_types.h>
/* Opaque declaration of heap control struct */
struct sbi_heap_control;
/* Global heap control structure */
extern struct sbi_heap_control global_hpctrl;
/* Alignment of heap base address and size */
#define HEAP_BASE_ALIGN 1024
struct sbi_scratch;
/** Allocate from heap area */
void *sbi_malloc_from(struct sbi_heap_control *hpctrl, size_t size);
static inline void *sbi_malloc(size_t size)
{
return sbi_malloc_from(&global_hpctrl, size);
}
/** Allocate aligned from heap area */
void *sbi_aligned_alloc_from(struct sbi_heap_control *hpctrl,
size_t alignment,size_t size);
static inline void *sbi_aligned_alloc(size_t alignment, size_t size)
{
return sbi_aligned_alloc_from(&global_hpctrl, alignment, size);
}
/** Zero allocate from heap area */
void *sbi_zalloc_from(struct sbi_heap_control *hpctrl, size_t size);
static inline void *sbi_zalloc(size_t size)
{
return sbi_zalloc_from(&global_hpctrl, size);
}
/** Allocate array from heap area */
static inline void *sbi_calloc(size_t nitems, size_t size)
{
return sbi_zalloc(nitems * size);
}
static inline void *sbi_calloc_from(struct sbi_heap_control *hpctrl,
size_t nitems, size_t size)
{
return sbi_zalloc_from(hpctrl, nitems * size);
}
/** Free-up to heap area */
void sbi_free_from(struct sbi_heap_control *hpctrl, void *ptr);
static inline void sbi_free(void *ptr)
{
return sbi_free_from(&global_hpctrl, ptr);
}
/** Amount (in bytes) of free space in the heap area */
unsigned long sbi_heap_free_space_from(struct sbi_heap_control *hpctrl);
static inline unsigned long sbi_heap_free_space(void)
{
return sbi_heap_free_space_from(&global_hpctrl);
}
/** Amount (in bytes) of used space in the heap area */
unsigned long sbi_heap_used_space_from(struct sbi_heap_control *hpctrl);
static inline unsigned long sbi_heap_used_space(void)
{
return sbi_heap_used_space_from(&global_hpctrl);
}
/** Amount (in bytes) of reserved space in the heap area */
unsigned long sbi_heap_reserved_space_from(struct sbi_heap_control *hpctrl);
static inline unsigned long sbi_heap_reserved_space(void)
{
return sbi_heap_reserved_space_from(&global_hpctrl);
}
/** Initialize heap area */
int sbi_heap_init(struct sbi_scratch *scratch);
int sbi_heap_init_new(struct sbi_heap_control *hpctrl, unsigned long base,
unsigned long size);
int sbi_heap_alloc_new(struct sbi_heap_control **hpctrl);
#endif
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