sh: Provide a BITS definition, use it in the arch/sh/boot/ Makefiles.

This introduces a BITS export that can handily be picked up by Makefiles
for cleaner sharing. Reflect its use in arch/sh/boot/compressed/ in
preparation for unifying the Makefiles.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index b941dc9b20f4..c1bbae1f65e3 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -91,9 +91,11 @@ KBUILD_IMAGE		:= $(defaultimage-y)
 #
 ifdef CONFIG_SUPERH32
 UTS_MACHINE     := sh
+BITS            := 32
 LDFLAGS_vmlinux += -e _stext
 else
 UTS_MACHINE     := sh64
+BITS            := 64
 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
                    --defsym phys_stext_shmedia=phys_stext+1 \
                    -e phys_stext_shmedia
@@ -109,11 +111,9 @@ LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
 LDFLAGS                 += -EB
 endif
 
-export ld-bfd
+export ld-bfd BITS
 
-head-y                  := arch/sh/kernel/init_task.o
-head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
-head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
+head-y  := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o
 
 core-y                          += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
 core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/