summaryrefslogtreecommitdiff
path: root/arch/sh/boot/compressed/Makefile
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boot/compressed/Makefile')
-rw-r--r--arch/sh/boot/compressed/Makefile50
1 files changed, 46 insertions, 4 deletions
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index efb01dc3c8c3..9531bf1b7c2f 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -1,5 +1,47 @@
-ifeq ($(CONFIG_SUPERH32),y)
-include ${srctree}/arch/sh/boot/compressed/Makefile_32
-else
-include ${srctree}/arch/sh/boot/compressed/Makefile_64
+#
+# linux/arch/sh/boot/compressed/Makefile
+#
+# create a compressed vmlinux image from the original vmlinux
+#
+
+targets := vmlinux vmlinux.bin vmlinux.bin.gz \
+ head_$(BITS).o misc_$(BITS).o piggy.o
+
+OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/cache.o
+
+ifdef CONFIG_SH_STANDARD_BIOS
+OBJECTS += $(obj)/../../kernel/sh_bios.o
endif
+
+#
+# IMAGE_OFFSET is the load offset of the compression loader
+#
+IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
+ $$[$(CONFIG_PAGE_OFFSET) + \
+ $(KERNEL_MEMORY) + \
+ $(CONFIG_BOOT_LINK_OFFSET)]')
+
+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
+
+ifeq ($(CONFIG_FUNCTION_TRACER),y)
+ORIG_CFLAGS := $(KBUILD_CFLAGS)
+KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
+endif
+
+LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
+ -T $(obj)/../../kernel/vmlinux.lds
+
+$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
+ $(call if_changed,ld)
+ @:
+
+$(obj)/vmlinux.bin: vmlinux FORCE
+ $(call if_changed,objcopy)
+
+$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,gzip)
+
+OBJCOPYFLAGS += -R .empty_zero_page
+
+$(obj)/piggy.o: $(obj)/piggy.S $(obj)/vmlinux.bin.gz FORCE
+ $(call if_changed,as_o_S)