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/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2013 The ChromiumOS Authors
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef __ARCH_STAGES_H
#define __ARCH_STAGES_H

#include <stdint.h>

extern void main(void);

void stage_entry(void);
void stage_exit(void *);
void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long size);

/* This function is called upon initial entry of each stage. It is called prior
 * to main(). That means all of the common infrastructure will most likely not
 * be available to be used (such as console). */
void arm64_soc_init(void);

/*
 * Stages and rmodules have 2 entry points: BSP and non-BSP. Provided
 * a pointer the correct non-BSP entry point will be returned. The
 * first instruction is for BSP and the 2nd is for non-BSP. Instructions
 * are all 32-bit on arm64.
 */
static inline void *secondary_entry_point(void *e)
{
	uintptr_t nonbsp = (uintptr_t)e;

	return (void *)(nonbsp + sizeof(uint32_t));
}

#endif