68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
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* Copyright (C) 2012 Antony Pavlov <antonynpavlov@gmail.com>
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*
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* This file is part of barebox.
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* See file CREDITS for list of people who contributed to this project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <pbl.h>
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#include <init.h>
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#include <sizes.h>
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#include <string.h>
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#include <asm/sections.h>
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#include <asm-generic/memory_layout.h>
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#include <debug_ll.h>
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extern void *input_data;
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extern void *input_data_end;
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unsigned long free_mem_ptr;
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unsigned long free_mem_end_ptr;
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void pbl_main_entry(void);
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static unsigned long *ttb;
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static void barebox_uncompress(void *compressed_start, unsigned int len)
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{
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/* set 128 KiB at the end of the MALLOC_BASE for early malloc */
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free_mem_ptr = MALLOC_BASE + MALLOC_SIZE - SZ_128K;
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free_mem_end_ptr = free_mem_ptr + SZ_128K;
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ttb = (void *)((free_mem_ptr - 0x4000) & ~0x3fff);
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pbl_barebox_uncompress((void*)TEXT_BASE, compressed_start, len);
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}
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void __section(.text_entry) pbl_main_entry(void)
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{
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u32 pg_start, pg_end, pg_len;
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void (*barebox)(void);
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puts_ll("pbl_main_entry()\n");
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/* clear bss */
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memset(__bss_start, 0, __bss_stop - __bss_start);
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pg_start = (u32)&input_data;
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pg_end = (u32)&input_data_end;
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pg_len = pg_end - pg_start;
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barebox_uncompress(&input_data, pg_len);
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barebox = (void *)TEXT_BASE;
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barebox();
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}
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