src/arch/armv7/stages.c

/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2012 The ChromiumOS Authors.  All rights reserved.
 *
 * 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
 *
 * This file contains entry/exit functions for each stage during coreboot
 * execution (bootblock entry and ramstage exit will depend on external
 * loading.
 *
 * Unlike other files, this one should be compiled with a -m option to
 * specify a pre-determined instruction set. The is to ensure consistency
 * in the CPU operating mode (ARM or Thumb) when hand-off between stages
 * occurs.
 *
 * Entry points must be placed at the location the previous stage jumps
 * to (the lowest address in the stage image). This is done by giving
 * stage_entry() its own section in .text and placing it first in the
 * linker script.
 */

#include <arch/stages.h>

void stage_entry(void)
{
	main();
}

void stage_exit(void *addr)
{
	__attribute__((noreturn)) void (*doit)(void) = addr;
	doit();
}