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>
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index b941dc9..c1bbae1 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -91,9 +91,11 @@
#
ifdef CONFIG_SUPERH32
UTS_MACHINE := sh
+BITS := 32
LDFLAGS_vmlinux += -e _stext
else
UTS_MACHINE := sh64
+BITS := 64
LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
--defsym phys_stext_shmedia=phys_stext+1 \
-e phys_stext_shmedia
@@ -109,11 +111,9 @@
LDFLAGS += -EB
endif
-export ld-bfd
+export ld-bfd BITS
-head-y := arch/sh/kernel/init_task.o
-head-$(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/