* [PATCH 2/3] pbl: factorise decompressor
2013-01-28 9:26 ` [PATCH 1/3] pbl: move configs to pbl/Kconfig Jean-Christophe PLAGNIOL-VILLARD
@ 2013-01-28 9:26 ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-28 9:26 ` [PATCH 3/3] pbl: add none compression support Jean-Christophe PLAGNIOL-VILLARD
1 sibling, 0 replies; 5+ messages in thread
From: Jean-Christophe PLAGNIOL-VILLARD @ 2013-01-28 9:26 UTC (permalink / raw)
To: barebox
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
arch/arm/cpu/start-pbl.c | 21 ++-------------------
arch/mips/boot/main_entry-pbl.c | 23 +----------------------
include/pbl.h | 15 +++++++++++++++
pbl/Makefile | 1 +
pbl/decomp.c | 32 ++++++++++++++++++++++++++++++++
5 files changed, 51 insertions(+), 41 deletions(-)
create mode 100644 include/pbl.h
create mode 100644 pbl/decomp.c
diff --git a/arch/arm/cpu/start-pbl.c b/arch/arm/cpu/start-pbl.c
index c5f9705..f506792 100644
--- a/arch/arm/cpu/start-pbl.c
+++ b/arch/arm/cpu/start-pbl.c
@@ -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();
diff --git a/arch/mips/boot/main_entry-pbl.c b/arch/mips/boot/main_entry-pbl.c
index f39e936..4e87c52 100644
--- a/arch/mips/boot/main_entry-pbl.c
+++ b/arch/mips/boot/main_entry-pbl.c
@@ -30,28 +30,10 @@ 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 +42,7 @@ 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)
diff --git a/include/pbl.h b/include/pbl.h
new file mode 100644
index 0000000..d041a3f
--- /dev/null
+++ b/include/pbl.h
@@ -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__ */
diff --git a/pbl/Makefile b/pbl/Makefile
index 7169c6c..a2d7468 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 0000000..bd67ed8
--- /dev/null
+++ b/pbl/decomp.c
@@ -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);
+}
--
1.7.10.4
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* [PATCH 3/3] pbl: add none compression support
2013-01-28 9:26 ` [PATCH 1/3] pbl: move configs to pbl/Kconfig Jean-Christophe PLAGNIOL-VILLARD
2013-01-28 9:26 ` [PATCH 2/3] pbl: factorise decompressor Jean-Christophe PLAGNIOL-VILLARD
@ 2013-01-28 9:26 ` Jean-Christophe PLAGNIOL-VILLARD
1 sibling, 0 replies; 5+ messages in thread
From: Jean-Christophe PLAGNIOL-VILLARD @ 2013-01-28 9:26 UTC (permalink / raw)
To: barebox
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
arch/arm/pbl/Makefile | 3 ++-
arch/arm/pbl/piggy.shipped.S | 6 ++++++
arch/mips/pbl/Makefile | 3 ++-
arch/mips/pbl/piggy.shipped.S | 6 ++++++
pbl/Kconfig | 3 +++
pbl/decomp.c | 12 ++++++++++++
6 files changed, 31 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/pbl/piggy.shipped.S
create mode 100644 arch/mips/pbl/piggy.shipped.S
diff --git a/arch/arm/pbl/Makefile b/arch/arm/pbl/Makefile
index 7faa51a..6eeee73 100644
--- a/arch/arm/pbl/Makefile
+++ b/arch/arm/pbl/Makefile
@@ -1,6 +1,7 @@
suffix_$(CONFIG_IMAGE_COMPRESSION_GZIP) = gzip
suffix_$(CONFIG_IMAGE_COMPRESSION_LZO) = lzo
+suffix_$(CONFIG_IMAGE_COMPRESSION_NONE) = shipped
OBJCOPYFLAGS_zbarebox.bin = -O binary
piggy_o := piggy.$(suffix_y).o
@@ -9,7 +10,7 @@ targets := zbarebox.lds zbarebox zbarebox.bin zbarebox.S \
$(piggy_o) piggy.$(suffix_y)
# Make sure files are removed during clean
-extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern zbarebox.map
+extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern piggy.shipped zbarebox.map
$(obj)/zbarebox.bin: $(obj)/zbarebox FORCE
$(call if_changed,objcopy)
diff --git a/arch/arm/pbl/piggy.shipped.S b/arch/arm/pbl/piggy.shipped.S
new file mode 100644
index 0000000..dbc2569
--- /dev/null
+++ b/arch/arm/pbl/piggy.shipped.S
@@ -0,0 +1,6 @@
+ .section .piggydata,#alloc
+ .globl input_data
+input_data:
+ .incbin "arch/arm/pbl/piggy.shipped"
+ .globl input_data_end
+input_data_end:
diff --git a/arch/mips/pbl/Makefile b/arch/mips/pbl/Makefile
index 7faa51a..6eeee73 100644
--- a/arch/mips/pbl/Makefile
+++ b/arch/mips/pbl/Makefile
@@ -1,6 +1,7 @@
suffix_$(CONFIG_IMAGE_COMPRESSION_GZIP) = gzip
suffix_$(CONFIG_IMAGE_COMPRESSION_LZO) = lzo
+suffix_$(CONFIG_IMAGE_COMPRESSION_NONE) = shipped
OBJCOPYFLAGS_zbarebox.bin = -O binary
piggy_o := piggy.$(suffix_y).o
@@ -9,7 +10,7 @@ targets := zbarebox.lds zbarebox zbarebox.bin zbarebox.S \
$(piggy_o) piggy.$(suffix_y)
# Make sure files are removed during clean
-extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern zbarebox.map
+extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern piggy.shipped zbarebox.map
$(obj)/zbarebox.bin: $(obj)/zbarebox FORCE
$(call if_changed,objcopy)
diff --git a/arch/mips/pbl/piggy.shipped.S b/arch/mips/pbl/piggy.shipped.S
new file mode 100644
index 0000000..963262d
--- /dev/null
+++ b/arch/mips/pbl/piggy.shipped.S
@@ -0,0 +1,6 @@
+ .section .piggydata,#alloc
+ .globl input_data
+input_data:
+ .incbin "arch/mips/pbl/piggy.shipped"
+ .globl input_data_end
+input_data_end:
diff --git a/pbl/Kconfig b/pbl/Kconfig
index ea7d227..37e4c4a 100644
--- a/pbl/Kconfig
+++ b/pbl/Kconfig
@@ -34,6 +34,9 @@ config IMAGE_COMPRESSION_LZO
config IMAGE_COMPRESSION_GZIP
bool "gzip"
+config IMAGE_COMPRESSION_NONE
+ bool "none"
+
endchoice
endif
diff --git a/pbl/decomp.c b/pbl/decomp.c
index bd67ed8..aa6a31e 100644
--- a/pbl/decomp.c
+++ b/pbl/decomp.c
@@ -18,6 +18,18 @@
#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);
--
1.7.10.4
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barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
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