diff options
Diffstat (limited to 'pbl')
-rw-r--r-- | pbl/Kconfig | 44 | ||||
-rw-r--r-- | pbl/Makefile | 1 | ||||
-rw-r--r-- | pbl/decomp.c | 44 |
3 files changed, 89 insertions, 0 deletions
diff --git a/pbl/Kconfig b/pbl/Kconfig new file mode 100644 index 0000000000..39752cc6f9 --- /dev/null +++ b/pbl/Kconfig @@ -0,0 +1,44 @@ +config HAVE_PBL_IMAGE + bool + +config HAVE_IMAGE_COMPRESSION + bool + +config PBL_IMAGE + bool "Pre-Bootloader image" + depends on HAVE_PBL_IMAGE + +config PBL_FORCE_PIGGYDATA_COPY + bool + help + In some case we need to copy the PIGGYDATA as the link address + as example we run from SRAM and shutdown the SDRAM/DDR for + reconfiguration but most of the time we just need to copy the + executable code. + +if PBL_IMAGE + +config IMAGE_COMPRESSION + bool + depends on HAVE_IMAGE_COMPRESSION + default y + +if IMAGE_COMPRESSION + +choice + prompt "Compression" + +config IMAGE_COMPRESSION_LZO + bool "lzo" + +config IMAGE_COMPRESSION_GZIP + bool "gzip" + +config IMAGE_COMPRESSION_NONE + bool "none" + +endchoice + +endif + +endif diff --git a/pbl/Makefile b/pbl/Makefile index 7169c6c72a..a2d7468687 100644 --- a/pbl/Makefile +++ b/pbl/Makefile @@ -3,3 +3,4 @@ # pbl-y += misc.o pbl-y += string.o +pbl-y += decomp.o diff --git a/pbl/decomp.c b/pbl/decomp.c new file mode 100644 index 0000000000..aa6a31e9da --- /dev/null +++ b/pbl/decomp.c @@ -0,0 +1,44 @@ +/* + * 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 + +#ifdef CONFIG_IMAGE_COMPRESSION_NONE +STATIC int decompress(u8 *input, int in_len, + int (*fill) (void *, unsigned int), + int (*flush) (void *, unsigned int), + u8 *output, int *posp, + void (*error) (char *x)) +{ + memcpy(output, input, in_len); + return 0; +} +#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); +} |