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barebox/arch/x86/boot/main_entry.c

38 lines
972 B
C

/*
* Copyright (C) 2009 Juergen Beisert, Pengutronix
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* 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.
*
*
*/
/**
* @file
* @brief Start of the 32 bit flat mode
*/
#include <string.h>
#include <asm/sections.h>
extern void x86_start_barebox(void);
/**
* Called plainly from assembler that switches from real to flat mode
*
* @note The C environment isn't initialized yet
*/
void uboot_entry(void)
{
/* clear the BSS first */
memset(__bss_start, 0x00, __bss_stop - __bss_start);
x86_start_barebox();
}