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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2025, Linaro Limited.
*/
#ifndef __MALLOC_FLAGS_H
#define __MALLOC_FLAGS_H
/*
* This file doesn't have any dependencies to minimize impact when
* including this file.
*
* Pulling in for instance <util.h> for the BIT() macro would also define
* the MIN() macro which would cause a error in
* core/lib/libtomcrypt/src/pk/dsa/dsa_decrypt_key.c
*/
/*
* Memory allocation flags to control how buffers are allocated. Flags may
* be ignored depending on configuration or if they don't apply. These
* flags are primarily used by malloc() and friends in malloc.h, but can be
* extended with flags that only mean something for other functions to
* avoid needless translation of one class of flags to another class of
* flags.
*/
#define MAF_NULL 0x00 /* Passed if no flags are needed */
#define MAF_ZERO_INIT 0x01 /* Zero initialize the allocated buffer */
#define MAF_NEX 0x02 /* Allocate from nexus heap */
#define MAF_FREE_WIPE 0x04 /* Free wipes allocated buffer */
/*
* Used by tee_mm_init() to indicatate that the pool should allocate
* from high address to low address.
*/
#define MAF_HI_ALLOC 0x10
/*
* Used by phys_mem_alloc_flags() to indicate whether physical memory
* should be allocated from the Core or TA physical memory pool.
*/
#define MAF_CORE_MEM 0x20
/*
* Used by virt_page_alloc() to inidicate whether the allocated memory
* should by guarded by an unmapped page at the beginning and end.
*/
#define MAF_GUARD_HEAD 0x40
#define MAF_GUARD_TAIL 0x80
#endif /*__MALLOC_FLAGS_H*/
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