forked from Mirrors/opensbi
40d36a6673
We provide simple heap allocator to manage the heap space provided by OpenSBI firmware and platform. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
45 lines
961 B
C
45 lines
961 B
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2023 Ventana Micro Systems Inc.
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*
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* Authors:
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* Anup Patel<apatel@ventanamicro.com>
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*/
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#ifndef __SBI_HEAP_H__
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#define __SBI_HEAP_H__
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#include <sbi/sbi_types.h>
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struct sbi_scratch;
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/** Allocate from heap area */
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void *sbi_malloc(size_t size);
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/** Zero allocate from heap area */
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void *sbi_zalloc(size_t size);
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/** Allocate array from heap area */
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static inline void *sbi_calloc(size_t nitems, size_t size)
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{
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return sbi_zalloc(nitems * size);
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}
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/** Free-up to heap area */
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void sbi_free(void *ptr);
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/** Amount (in bytes) of free space in the heap area */
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unsigned long sbi_heap_free_space(void);
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/** Amount (in bytes) of used space in the heap area */
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unsigned long sbi_heap_used_space(void);
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/** Amount (in bytes) of reserved space in the heap area */
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unsigned long sbi_heap_reserved_space(void);
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/** Initialize heap area */
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int sbi_heap_init(struct sbi_scratch *scratch);
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#endif
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