h8300: Add LZO compression

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
johanlike · Jan 20, 2016 · 42b510e · 42b510e
1 parent af3da57
commit 42b510e
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Showing 3 changed files with 16 additions and 3 deletions.
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
@@ -18,6 +18,8 @@ config H8300
 	select HAVE_DMA_ATTRS
 	select CLKSRC_OF
 	select H8300_TMR8
+	select HAVE_KERNEL_GZIP
+	select HAVE_KERNEL_LZO
 
 config RWSEM_GENERIC_SPINLOCK
 	def_bool y

diff --git a/arch/h8300/boot/compressed/Makefile b/arch/h8300/boot/compressed/Makefile
@@ -28,11 +28,16 @@ $(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
-	$(call if_changed,gzip)
+suffix-$(CONFIG_KERNEL_GZIP)    := gzip
+suffix-$(CONFIG_KERNEL_LZO)     := lzo
+
+$(obj)/vmlinux.bin.$(suffix-y): $(obj)/vmlinux.bin FORCE
+	$(call if_changed,$(suffix-y))
 
 LDFLAGS_piggy.o := -r --format binary --oformat elf32-h8300-linux -T
 OBJCOPYFLAGS := -O binary
 
-$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
 	$(call if_changed,ld)
+
+CFLAGS_misc.o = -O0
diff --git a/arch/h8300/boot/compressed/misc.c b/arch/h8300/boot/compressed/misc.c
@@ -32,7 +32,13 @@ extern char output[];
 
 #define HEAP_SIZE             0x10000
 
+#ifdef CONFIG_KERNEL_GZIP
 #include "../../../../lib/decompress_inflate.c"
+#endif
+
+#ifdef CONFIG_KERNEL_LZO
+#include "../../../../lib/decompress_unlzo.c"
+#endif
 
 void *memset(void *s, int c, size_t n)
 {