Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2012 Antony Pavlov <antonynpavlov@gmail.com>
|
|
*
|
|
* This file is part of barebox.
|
|
* See file CREDITS for list of people who contributed to this project.
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <pbl.h>
|
|
#include <init.h>
|
|
#include <sizes.h>
|
|
#include <string.h>
|
|
#include <asm/sections.h>
|
|
#include <asm-generic/memory_layout.h>
|
|
#include <debug_ll.h>
|
|
|
|
extern void *input_data;
|
|
extern void *input_data_end;
|
|
|
|
unsigned long free_mem_ptr;
|
|
unsigned long free_mem_end_ptr;
|
|
|
|
void pbl_main_entry(void);
|
|
|
|
static unsigned long *ttb;
|
|
|
|
static void barebox_uncompress(void *compressed_start, unsigned int len)
|
|
{
|
|
/* set 128 KiB at the end of the MALLOC_BASE for early malloc */
|
|
free_mem_ptr = MALLOC_BASE + MALLOC_SIZE - SZ_128K;
|
|
free_mem_end_ptr = free_mem_ptr + SZ_128K;
|
|
|
|
ttb = (void *)((free_mem_ptr - 0x4000) & ~0x3fff);
|
|
|
|
pbl_barebox_uncompress((void*)TEXT_BASE, compressed_start, len);
|
|
}
|
|
|
|
void __section(.text_entry) pbl_main_entry(void)
|
|
{
|
|
u32 pg_start, pg_end, pg_len;
|
|
void (*barebox)(void);
|
|
|
|
PUTS_LL("pbl_main_entry()\n");
|
|
|
|
/* clear bss */
|
|
memset(__bss_start, 0, __bss_stop - __bss_start);
|
|
|
|
pg_start = (u32)&input_data;
|
|
pg_end = (u32)&input_data_end;
|
|
pg_len = pg_end - pg_start;
|
|
|
|
barebox_uncompress(&input_data, pg_len);
|
|
|
|
barebox = (void *)TEXT_BASE;
|
|
barebox();
|
|
}
|