bareflank-hypervisor/loader/include/alloc_mk_stack.h

/**
 * @copyright
 * Copyright (C) 2020 Assured Information Security, Inc.
 *
 * @copyright
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * @copyright
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * @copyright
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 */

#ifndef ALLOC_MK_STACK_H
#define ALLOC_MK_STACK_H

#include <span_t.h>
#include <types.h>

#ifdef __cplusplus
extern "C"
{
#endif
    /**
     * <!-- description -->
     *   @brief Allocates a chunk of memory for the stack used by the
     *     microkernel. Note that the "size" parameter is in total pages and
     *     not in bytes. If the provided size is 0, this function will allocate
     *     a default number of pages.
     *
     * <!-- inputs/outputs -->
     *   @param pmut_stack the span_t to store the stack addr/size.
     *   @return LOADER_SUCCESS on success, LOADER_FAILURE on failure.
     */
    NODISCARD int64_t alloc_mk_stack(struct span_t *const pmut_stack) NOEXCEPT;

#ifdef __cplusplus
}
#endif

#endif