unicore32 core architecture: build infrastructure

This patch implements build infrastructure.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 95 insertions, 0 deletions

diff --git a/arch/unicore32/Makefile b/arch/unicore32/Makefile
new file mode 100644
index 000000000000..e08d6d370a8a
--- /dev/null
+++ b/arch/unicore32/Makefile
@@ -0,0 +1,95 @@
+#
+# arch/unicore32/Makefile
+#
+# This file is included by the global makefile so that you can add your own
+# architecture-specific flags and dependencies.
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 2002~2010 by Guan Xue-tao
+#
+ifneq ($(SUBARCH),$(ARCH))
+        ifeq ($(CROSS_COMPILE),)
+                CROSS_COMPILE := $(call cc-cross-prefix, unicore32-linux-)
+        endif
+endif
+
+LDFLAGS_vmlinux         := -p --no-undefined -X
+
+OBJCOPYFLAGS            := -O binary -R .note -R .note.gnu.build-id -R .comment -S
+
+# Never generate .eh_frame
+KBUILD_CFLAGS           += $(call cc-option,-fno-dwarf2-cfi-asm)
+
+# Never use hard float in kernel
+KBUILD_CFLAGS           += -msoft-float
+
+ifeq ($(CONFIG_FRAME_POINTER),y)
+KBUILD_CFLAGS           += -mno-sched-prolog
+endif
+
+CHECKFLAGS              += -D__unicore32__
+
+head-y                  := arch/unicore32/kernel/head.o
+head-y                  += arch/unicore32/kernel/init_task.o
+
+core-y                  += arch/unicore32/kernel/
+core-y                  += arch/unicore32/mm/
+
+libs-y                  += arch/unicore32/lib/
+
+ASM_GENERATED_DIR       := $(srctree)/arch/unicore32/include/generated
+LINUXINCLUDE            += -I$(ASM_GENERATED_DIR)
+
+ASM_GENERIC_HEADERS     := atomic.h auxvec.h
+ASM_GENERIC_HEADERS     += bitsperlong.h bug.h bugs.h
+ASM_GENERIC_HEADERS     += cputime.h current.h
+ASM_GENERIC_HEADERS     += device.h div64.h
+ASM_GENERIC_HEADERS     += emergency-restart.h errno.h
+ASM_GENERIC_HEADERS     += fb.h fcntl.h ftrace.h
+ASM_GENERIC_HEADERS     += hardirq.h hw_irq.h
+ASM_GENERIC_HEADERS     += ioctl.h ioctls.h ipcbuf.h irq_regs.h
+ASM_GENERIC_HEADERS     += kdebug.h kmap_types.h
+ASM_GENERIC_HEADERS     += local.h
+ASM_GENERIC_HEADERS     += mman.h module.h msgbuf.h
+ASM_GENERIC_HEADERS     += param.h parport.h percpu.h poll.h posix_types.h
+ASM_GENERIC_HEADERS     += resource.h
+ASM_GENERIC_HEADERS     += scatterlist.h sections.h segment.h sembuf.h serial.h
+ASM_GENERIC_HEADERS     += setup.h shmbuf.h shmparam.h
+ASM_GENERIC_HEADERS     += siginfo.h signal.h sizes.h
+ASM_GENERIC_HEADERS     += socket.h sockios.h stat.h statfs.h swab.h syscalls.h
+ASM_GENERIC_HEADERS     += termbits.h termios.h topology.h types.h
+ASM_GENERIC_HEADERS     += ucontext.h unaligned.h user.h
+ASM_GENERIC_HEADERS     += vga.h
+ASM_GENERIC_HEADERS     += xor.h
+
+archprepare:
+ifneq ($(ASM_GENERATED_DIR), $(wildcard $(ASM_GENERATED_DIR)))
+        $(Q)mkdir -p $(ASM_GENERATED_DIR)/asm
+        $(Q)$(foreach a, $(ASM_GENERIC_HEADERS),        \
+                echo '#include <asm-generic/$a>'        \
+                        > $(ASM_GENERATED_DIR)/asm/$a; )
+endif
+
+boot                    := arch/unicore32/boot
+
+# Default target when executing plain make
+KBUILD_IMAGE            := zImage
+
+all:    $(KBUILD_IMAGE)
+
+zImage Image uImage: vmlinux
+        $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+
+MRPROPER_DIRS           += $(ASM_GENERATED_DIR)
+
+archclean:
+        $(Q)$(MAKE) $(clean)=$(boot)
+
+define archhelp
+  echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
+  echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
+  echo  '  uImage        - U-Boot wrapped zImage'
+endef