Add Kconfig option SPL_GZIP and SPL_ZLIB to enable gunzip support for SPL boot, eg. falcon boot compressed kernel image.
Signed-off-by: York Sun york.sun@nxp.com
---
Changes in v2: Combine Kconfig change and actual code into one patch
common/spl/spl_fit.c | 28 ++++++++++++++++++++++++++-- lib/Kconfig | 8 ++++++++ lib/Makefile | 5 +++-- 3 files changed, 37 insertions(+), 4 deletions(-)
diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c index d2a352e..23f85d2 100644 --- a/common/spl/spl_fit.c +++ b/common/spl/spl_fit.c @@ -135,6 +135,19 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector, ulong overhead; int nr_sectors; int align_len = ARCH_DMA_MINALIGN - 1; +#if defined(CONFIG_SPL_OS_BOOT) && defined(CONFIG_SPL_GZIP) + uint8_t image_comp, type; + + if (fit_image_get_comp(fit, node, &image_comp)) + puts("Cannot get image compression format.\n"); + else + debug("%s ", genimg_get_comp_name(image_comp)); + + if (fit_image_get_type(fit, node, &type)) + puts("Cannot get image type.\n"); + else + debug("%s ", genimg_get_type_name(type)); +#endif
offset = fdt_getprop_u32(fit, node, "data-offset"); if (offset == FDT_ERROR) @@ -154,7 +167,7 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector, if (info->read(info, sector + get_aligned_image_offset(info, offset), nr_sectors, (void*)load_ptr) != nr_sectors) return -EIO; - debug("image: dst=%lx, offset=%lx, size=%lx\n", load_ptr, offset, + debug("image dst=%lx, offset=%lx, size=%lx\n", load_ptr, offset, (unsigned long)length);
src = (void *)load_ptr + overhead; @@ -162,7 +175,18 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector, board_fit_image_post_process(&src, &length); #endif
- memcpy((void*)load_addr, src, length); +#if defined(CONFIG_SPL_OS_BOOT) && defined(CONFIG_SPL_GZIP) + if (image_comp == IH_COMP_GZIP && type == IH_TYPE_KERNEL) { + if (gunzip((void *)load_addr, CONFIG_SYS_BOOTM_LEN, + src, &length)) { + puts("Uncompressing error\n"); + return -EIO; + } + } else +#endif + { + memcpy((void *)load_addr, src, length); + }
if (image_info) { image_info->load_addr = load_addr; diff --git a/lib/Kconfig b/lib/Kconfig index 2f5a210..a3c6520 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -160,6 +160,14 @@ config LZO bool "Enable LZO decompression support" help This enables support for LZO compression algorithm.r + +config SPL_GZIP + bool "Enable gzip decompression support for SPL build" + select SPL_ZLIB + +config SPL_ZLIB + bool + endmenu
config ERRNO_STR diff --git a/lib/Makefile b/lib/Makefile index eacc7d6..455cc9d 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -11,7 +11,6 @@ obj-$(CONFIG_EFI) += efi/ obj-$(CONFIG_EFI_LOADER) += efi_loader/ obj-$(CONFIG_LZMA) += lzma/ obj-$(CONFIG_LZO) += lzo/ -obj-$(CONFIG_ZLIB) += zlib/ obj-$(CONFIG_BZIP2) += bzip2/ obj-$(CONFIG_TIZEN) += tizen/ obj-$(CONFIG_FIT) += libfdt/ @@ -26,7 +25,6 @@ obj-y += crc16.o obj-$(CONFIG_ERRNO_STR) += errno_str.o obj-$(CONFIG_FIT) += fdtdec_common.o obj-$(CONFIG_TEST_FDTDEC) += fdtdec_test.o -obj-$(CONFIG_GZIP) += gunzip.o obj-$(CONFIG_GZIP_COMPRESSED) += gzip.o obj-$(CONFIG_GENERATE_SMBIOS_TABLE) += smbios.o obj-y += initcall.o @@ -49,6 +47,9 @@ obj-$(CONFIG_RSA) += rsa/ obj-$(CONFIG_SHA1) += sha1.o obj-$(CONFIG_SHA256) += sha256.o
+obj-$(CONFIG_$(SPL_)ZLIB) += zlib/ +obj-$(CONFIG_$(SPL_)GZIP) += gunzip.o + obj-$(CONFIG_SPL_SAVEENV) += qsort.o obj-$(CONFIG_$(SPL_)OF_LIBFDT) += libfdt/ ifneq ($(CONFIG_SPL_BUILD)$(CONFIG_SPL_OF_PLATDATA),yy)