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pbl: factorise decompressor 

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2013-01-28 10:26:11 +01:00 committed by Sascha Hauer
parent 36db2a0f05
commit f73a37aa78
5 changed files with 52 additions and 41 deletions
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21
arch/arm/cpu/start-pbl.c
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@ -24,6 +24,7 @@
#include <common.h>
#include <init.h>
#include <sizes.h>
#include <pbl.h>
#include <asm/barebox-arm.h>
#include <asm/barebox-arm-head.h>
#include <asm-generic/memory_layout.h>
@ -59,16 +60,6 @@ void __naked __bare_init reset(void)
extern void *input_data;
extern void *input_data_end;
#define STATIC static
#ifdef CONFIG_IMAGE_COMPRESSION_LZO
#include "../../../lib/decompress_unlzo.c"
#endif
#ifdef CONFIG_IMAGE_COMPRESSION_GZIP
#include "../../../lib/decompress_inflate.c"
#endif
static unsigned long *ttb;
static void create_sections(unsigned long addr, int size_m, unsigned int flags)
@ -127,11 +118,6 @@ static void mmu_disable(void)
__mmu_cache_off();
}
static void noinline errorfn(char *error)
{
while (1);
}
static void barebox_uncompress(void *compressed_start, unsigned int len)
{
void (*barebox)(void);
@ -155,10 +141,7 @@ static void barebox_uncompress(void *compressed_start, unsigned int len)
else
barebox = (void *)TEXT_BASE;
decompress((void *)compressed_start,
len,
NULL, NULL,
(void *)TEXT_BASE, NULL, errorfn);
pbl_barebox_uncompress((void*)TEXT_BASE, compressed_start, len);
if (use_mmu)
mmu_disable();

24
arch/mips/boot/main_entry-pbl.c
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@ -17,6 +17,7 @@
*/
#include <common.h>
#include <pbl.h>
#include <init.h>
#include <sizes.h>
#include <string.h>
@ -30,28 +31,10 @@ extern void *input_data_end;
unsigned long free_mem_ptr;
unsigned long free_mem_end_ptr;
#define STATIC static
#ifdef CONFIG_IMAGE_COMPRESSION_LZO
#include "../../../lib/decompress_unlzo.c"
#endif
#ifdef CONFIG_IMAGE_COMPRESSION_GZIP
#include "../../../lib/decompress_inflate.c"
#endif
void pbl_main_entry(void);
static unsigned long *ttb;
static noinline void errorfn(char *error)
{
PUTS_LL(error);
PUTC_LL('\n');
unreachable();
}
static void barebox_uncompress(void *compressed_start, unsigned int len)
{
/* set 128 KiB at the end of the MALLOC_BASE for early malloc */
@ -60,10 +43,7 @@ static void barebox_uncompress(void *compressed_start, unsigned int len)
ttb = (void *)((free_mem_ptr - 0x4000) & ~0x3fff);
decompress((void *)compressed_start,
len,
NULL, NULL,
(void *)TEXT_BASE, NULL, errorfn);
pbl_barebox_uncompress((void*)TEXT_BASE, compressed_start, len);
}
void __section(.text_entry) pbl_main_entry(void)

15
include/pbl.h Normal file
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@ -0,0 +1,15 @@
/*
* Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* Under GPLv2
*/
#ifndef __PBL_H__
#define __PBL_H__
extern unsigned long free_mem_ptr;
extern unsigned long free_mem_end_ptr;
void pbl_barebox_uncompress(void *dest, void *compressed_start, unsigned int len);
#endif /* __PBL_H__ */

1
pbl/Makefile
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@ -3,3 +3,4 @@
#
pbl-y += misc.o
pbl-y += string.o
pbl-y += decomp.o

32
pbl/decomp.c Normal file
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@ -0,0 +1,32 @@
/*
* Copyright (c) 2010-2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
* Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* Under GPLv2 only
*/
#include <common.h>
#include <pbl.h>
#define STATIC static
#ifdef CONFIG_IMAGE_COMPRESSION_LZO
#include "../../../lib/decompress_unlzo.c"
#endif
#ifdef CONFIG_IMAGE_COMPRESSION_GZIP
#include "../../../lib/decompress_inflate.c"
#endif
static void noinline errorfn(char *error)
{
while (1);
}
void pbl_barebox_uncompress(void *dest, void *compressed_start, unsigned int len)
{
decompress((void *)compressed_start,
len,
NULL, NULL,
dest, NULL, errorfn);
}