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authorPaul Mundt <lethal@linux-sh.org>2009-07-11 13:21:19 -0400
committerPaul Mundt <lethal@linux-sh.org>2009-07-11 13:21:19 -0400
commit07e88e1bfc128681a80578724fde6a872f413862 (patch)
tree7e85e26152bcc277d6e2e288aac155f155ce5c4e /arch/sh/boot
parentdf8ce2595fbac8b046322fce9df61ce1cf8ddf62 (diff)
downloadvexpress-lsk-07e88e1bfc128681a80578724fde6a872f413862.tar.gz
sh: bzip2/lzma zImage support.
This plugs in bzip2 and lzma support for zImages. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boot')
-rw-r--r--arch/sh/boot/compressed/.gitignore1
-rw-r--r--arch/sh/boot/compressed/Makefile19
-rw-r--r--arch/sh/boot/compressed/misc_32.c14
-rw-r--r--arch/sh/boot/compressed/misc_64.c14
-rw-r--r--arch/sh/boot/compressed/piggy.S8
-rw-r--r--arch/sh/boot/compressed/vmlinux.scr10
6 files changed, 53 insertions, 13 deletions
diff --git a/arch/sh/boot/compressed/.gitignore b/arch/sh/boot/compressed/.gitignore
new file mode 100644
index 00000000000..2374a83d87b
--- /dev/null
+++ b/arch/sh/boot/compressed/.gitignore
@@ -0,0 +1 @@
+vmlinux.bin.*
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 9531bf1b7c2..0a4e7af8a71 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -5,6 +5,7 @@
#
targets := vmlinux vmlinux.bin vmlinux.bin.gz \
+ vmlinux.bin.bz2 vmlinux.bin.lzma \
head_$(BITS).o misc_$(BITS).o piggy.o
OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/cache.o
@@ -38,10 +39,22 @@ $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
+vmlinux.bin.all-y := $(obj)/vmlinux.bin
+
+$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
$(call if_changed,gzip)
+$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
+ $(call if_changed,bzip2)
+$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
+ $(call if_changed,lzma)
+
+suffix-$(CONFIG_KERNEL_GZIP) := gz
+suffix-$(CONFIG_KERNEL_BZIP2) := bz2
+suffix-$(CONFIG_KERNEL_LZMA) := lzma
OBJCOPYFLAGS += -R .empty_zero_page
-$(obj)/piggy.o: $(obj)/piggy.S $(obj)/vmlinux.bin.gz FORCE
- $(call if_changed,as_o_S)
+LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
+
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
+ $(call if_changed,ld)
diff --git a/arch/sh/boot/compressed/misc_32.c b/arch/sh/boot/compressed/misc_32.c
index 1ab4f49153b..b86e3596918 100644
--- a/arch/sh/boot/compressed/misc_32.c
+++ b/arch/sh/boot/compressed/misc_32.c
@@ -41,12 +41,24 @@ extern int _end;
static unsigned long free_mem_ptr;
static unsigned long free_mem_end_ptr;
-#define HEAP_SIZE 0x10000
+#ifdef CONFIG_HAVE_KERNEL_BZIP2
+#define HEAP_SIZE 0x400000
+#else
+#define HEAP_SIZE 0x10000
+#endif
#ifdef CONFIG_KERNEL_GZIP
#include "../../../../lib/decompress_inflate.c"
#endif
+#ifdef CONFIG_KERNEL_BZIP2
+#include "../../../../lib/decompress_bunzip2.c"
+#endif
+
+#ifdef CONFIG_KERNEL_LZMA
+#include "../../../../lib/decompress_unlzma.c"
+#endif
+
#ifdef CONFIG_SH_STANDARD_BIOS
size_t strlen(const char *s)
{
diff --git a/arch/sh/boot/compressed/misc_64.c b/arch/sh/boot/compressed/misc_64.c
index 0c6894e3711..09b7b7cd24f 100644
--- a/arch/sh/boot/compressed/misc_64.c
+++ b/arch/sh/boot/compressed/misc_64.c
@@ -40,12 +40,24 @@ extern int _end;
static unsigned long free_mem_ptr;
static unsigned long free_mem_end_ptr;
-#define HEAP_SIZE 0x10000
+#ifdef CONFIG_HAVE_KERNEL_BZIP2
+#define HEAP_SIZE 0x400000
+#else
+#define HEAP_SIZE 0x10000
+#endif
#ifdef CONFIG_KERNEL_GZIP
#include "../../../../lib/decompress_inflate.c"
#endif
+#ifdef CONFIG_KERNEL_BZIP2
+#include "../../../../lib/decompress_bunzip2.c"
+#endif
+
+#ifdef CONFIG_KERNEL_LZMA
+#include "../../../../lib/decompress_unlzma.c"
+#endif
+
void puts(const char *s)
{
}
diff --git a/arch/sh/boot/compressed/piggy.S b/arch/sh/boot/compressed/piggy.S
deleted file mode 100644
index 566071926b1..00000000000
--- a/arch/sh/boot/compressed/piggy.S
+++ /dev/null
@@ -1,8 +0,0 @@
- .global input_len, input_data
- .data
-input_len:
- .long input_data_end - input_data
-input_data:
- .incbin "arch/sh/boot/compressed/vmlinux.bin.gz"
-input_data_end:
- .end
diff --git a/arch/sh/boot/compressed/vmlinux.scr b/arch/sh/boot/compressed/vmlinux.scr
new file mode 100644
index 00000000000..f02382ae5c4
--- /dev/null
+++ b/arch/sh/boot/compressed/vmlinux.scr
@@ -0,0 +1,10 @@
+SECTIONS
+{
+ .rodata.compressed : {
+ input_len = .;
+ LONG(input_data_end - input_data) input_data = .;
+ *(.data)
+ output_len = . - 4;
+ input_data_end = .;
+ }
+}