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authorRichard Kuo <rkuo@codeaurora.org>2011-10-31 18:55:58 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 07:34:21 -0700
commite95bf452a9e22bd1c9ae23fea041989e0603c39d (patch)
treefd18331fe343605c4d751237d191bdd258cd721c /arch/hexagon/Makefile
parent60e13231561b3a4c5269bfa1ef6c0569ad6f28ec (diff)
downloadvexpress-lsk-e95bf452a9e22bd1c9ae23fea041989e0603c39d.tar.gz
Hexagon: Add configuration and makefiles for the Hexagon architecture.
Signed-off-by: Linas Vepstas <linas@codeaurora.org> Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/hexagon/Makefile')
-rw-r--r--arch/hexagon/Makefile58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/hexagon/Makefile b/arch/hexagon/Makefile
new file mode 100644
index 00000000000..0c4de8790fd
--- /dev/null
+++ b/arch/hexagon/Makefile
@@ -0,0 +1,58 @@
+# Makefile for the Hexagon arch
+
+KBUILD_DEFCONFIG = comet_defconfig
+
+# Do not use GP-relative jumps
+KBUILD_CFLAGS += -G0
+LDFLAGS_vmlinux += -G0
+
+# Do not use single-byte enums; these will overflow.
+KBUILD_CFLAGS += -fno-short-enums
+
+# Modules must use either long-calls, or use pic/plt.
+# Use long-calls for now, it's easier. And faster.
+# CFLAGS_MODULE += -fPIC
+# LDFLAGS_MODULE += -shared
+CFLAGS_MODULE += -mlong-calls
+
+cflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
+cflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
+cflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
+cflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
+
+aflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
+aflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
+aflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
+aflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
+
+ldflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
+ldflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
+ldflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
+ldflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
+
+KBUILD_CFLAGS += $(cflags-y)
+KBUILD_AFLAGS += $(aflags-y)
+
+# no KBUILD_LDFLAGS?
+LDFLAGS += $(ldflags-y)
+
+# Thread-info register will be r19. This value is not configureable;
+# it is hard-coded in several files.
+TIR_NAME := r19
+KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
+KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
+
+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
+libs-y += $(LIBGCC)
+
+head-y := arch/hexagon/kernel/head.o \
+ arch/hexagon/kernel/init_task.o
+
+core-y += arch/hexagon/kernel/ \
+ arch/hexagon/mm/ \
+ arch/hexagon/lib/
+
+# arch/hexagon/platform/common/
+#
+#core-$(CONFIG_HEXAGON_COMET) += arch/hexagon/platform/comet/
+#machine-$(CONFIG_HEXAGON_COMET) := comet