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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 7/7] compressed image: add gzip support
Date: Sun, 22 Jul 2012 16:02:48 +0200	[thread overview]
Message-ID: <1342965768-3796-7-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1342965768-3796-1-git-send-email-plagnioj@jcrosoft.com>

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 Makefile                 |    7 ++++++-
 arch/arm/cpu/start.c     |    4 ++++
 common/Kconfig           |    3 +++
 lib/decompress_inflate.c |    1 +
 piggy.gzip.S             |    6 ++++++
 5 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 piggy.gzip.S

diff --git a/Makefile b/Makefile
index d6a3ae5..1003786 100644
--- a/Makefile
+++ b/Makefile
@@ -719,8 +719,13 @@ barebox-uncompressed: $(barebox-lds) $(barebox-head) $(barebox-common) $(kallsym
 barebox-uncompressed.bin: barebox-uncompressed
 	$(call if_changed,objcopy)
 
+suffix_$(CONFIG_IMAGE_COMPRESSION_GZIP) = gzip
 suffix_$(CONFIG_IMAGE_COMPRESSION_LZO)	= lzo
 
+barebox-uncompressed.bin.gzip: barebox-uncompressed.bin
+	@echo "  GZIP   " $@
+	$(Q)gzip -n -9 -c barebox-uncompressed.bin > $@
+
 barebox-uncompressed.bin.lzo: barebox-uncompressed.bin
 	@echo "  LZO    " $@
 	$(Q)lzop -f -9 -o $@ barebox-uncompressed.bin
@@ -1039,7 +1044,7 @@ CLEAN_FILES +=	barebox System.map include/generated/barebox_default_env.h \
 		.tmp_kallsyms* barebox_default_env* barebox.ldr \
 		scripts/bareboxenv-target \
 		Doxyfile.version barebox.srec barebox.s5p \
-		barebox-uncompressed barebox-uncompressed.bin barebox-uncompressed.bin.lzo
+		barebox-uncompressed barebox-uncompressed.bin*
 
 # Directories & files removed with 'make mrproper'
 MRPROPER_DIRS  += include/config include2 usr/include
diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index 8ab6fdc..8e63523 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -109,6 +109,10 @@ extern void *input_data_end;
 #include "../../../lib/decompress_unlzo.c"
 #endif
 
+#ifdef CONFIG_IMAGE_COMPRESSION_GZIP
+#include "../../../../lib/decompress_inflate.c"
+#endif
+
 void barebox_uncompress(void *compressed_start, unsigned int len)
 {
 	void (*barebox)(void);
diff --git a/common/Kconfig b/common/Kconfig
index 8437e1c..702a0bd 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -110,6 +110,9 @@ choice
 config IMAGE_COMPRESSION_LZO
 	bool "lzo"
 
+config IMAGE_COMPRESSION_GZIP
+	bool "gzip"
+
 endchoice
 
 endif
diff --git a/lib/decompress_inflate.c b/lib/decompress_inflate.c
index 526d6a1..5c1ebb6 100644
--- a/lib/decompress_inflate.c
+++ b/lib/decompress_inflate.c
@@ -4,6 +4,7 @@
 /* prevent inclusion of _LINUX_KERNEL_H in pre-boot environment: lots
  * errors about console_printk etc... on ARM */
 #define _LINUX_KERNEL_H
+#include <linux/decompress/mm.h>
 
 #include "zlib_inflate/inftrees.c"
 #include "zlib_inflate/inffast.c"
diff --git a/piggy.gzip.S b/piggy.gzip.S
new file mode 100644
index 0000000..2ca7d78
--- /dev/null
+++ b/piggy.gzip.S
@@ -0,0 +1,6 @@
+	.section .piggydata,#alloc
+	.globl  input_data
+input_data:
+	.incbin "barebox-uncompressed.bin.gzip"
+	.globl  input_data_end
+input_data_end:
-- 
1.7.10


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  parent reply	other threads:[~2012-07-22 14:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-22 13:03 [PATCH 0/7] compressed image update Jean-Christophe PLAGNIOL-VILLARD
2012-07-22 14:02 ` [PATCH 1/7] stddev: make it selectable via Kconfig Jean-Christophe PLAGNIOL-VILLARD
2012-07-22 14:02   ` [PATCH 2/7] decompress_unlzo: define decompress_unlzo as decompress Jean-Christophe PLAGNIOL-VILLARD
2012-07-22 14:02   ` [PATCH 3/7] compressed image: factorise compressor type Jean-Christophe PLAGNIOL-VILLARD
2012-07-22 14:02   ` [PATCH 4/7] decompressor: import malloc/free implementation for linux 3.4 Jean-Christophe PLAGNIOL-VILLARD
2012-07-22 14:02   ` [PATCH 5/7] ARM: add early malloc support needed by the decompressor Jean-Christophe PLAGNIOL-VILLARD
2012-07-22 14:02   ` [PATCH 6/7] compressed: allow to link only what is needed Jean-Christophe PLAGNIOL-VILLARD
2012-07-22 14:02   ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-07-23  4:20 [PATCH 0/7 V2] compressed image update Jean-Christophe PLAGNIOL-VILLARD
2012-07-23  4:25 ` [PATCH 1/7] stddev: make it selectable via Kconfig Jean-Christophe PLAGNIOL-VILLARD
2012-07-23  4:26   ` [PATCH 7/7] compressed image: add gzip support Jean-Christophe PLAGNIOL-VILLARD

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