1 # BK Id: %F% %I% %G% %U% %#% <<
2 # 1 #
3 # This file is included by the global makefile !! 2 # alpha/Makefile
4 # architecture-specific flags and dependencies <<
5 # 3 #
6 # This file is subject to the terms and condit 4 # This file is subject to the terms and conditions of the GNU General Public
7 # License. See the file "COPYING" in the main 5 # License. See the file "COPYING" in the main directory of this archive
8 # for more details. 6 # for more details.
9 # 7 #
10 # Copyright (C) 1994 by Linus Torvalds 8 # Copyright (C) 1994 by Linus Torvalds
11 # Modifications for the OpenRISC architecture: <<
12 # Copyright (C) 2003 Matjaz Breskvar <phoenix@b <<
13 # Copyright (C) 2010-2011 Jonas Bonn <jonas@sou <<
14 # 9 #
15 # Based on: <<
16 # arch/i386/Makefile <<
17 10
18 KBUILD_DEFCONFIG := or1ksim_defconfig !! 11 KBUILD_DEFCONFIG := defconfig
19 12
20 OBJCOPYFLAGS := -O binary -R .note -R .comm !! 13 NM := $(NM) -B
21 LIBGCC := $(shell $(CC) $(KBUILD_CFLA <<
22 14
23 KBUILD_CFLAGS += -pipe -ffixed-r10 -D__linux !! 15 LDFLAGS_vmlinux := -static -N #-relax
24 KBUILD_CFLAGS += -msfimm -mshftimm !! 16 CHECKFLAGS += -D__alpha__
>> 17 cflags-y := -pipe -mno-fp-regs -ffixed-8
>> 18 cflags-y += $(call cc-option, -fno-jump-tables)
25 19
26 all: vmlinux.bin !! 20 cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
>> 21 cpuflags-$(CONFIG_ALPHA_EV5) := -mcpu=ev5
>> 22 cpuflags-$(CONFIG_ALPHA_EV56) := -mcpu=ev56
>> 23 cpuflags-$(CONFIG_ALPHA_POLARIS) := -mcpu=pca56
>> 24 cpuflags-$(CONFIG_ALPHA_SX164) := -mcpu=pca56
>> 25 cpuflags-$(CONFIG_ALPHA_EV6) := -mcpu=ev6
>> 26 cpuflags-$(CONFIG_ALPHA_EV67) := -mcpu=ev67
>> 27 # If GENERIC, make sure to turn off any instruction set extensions that
>> 28 # the host compiler might have on by default. Given that EV4 and EV5
>> 29 # have the same instruction set, prefer EV5 because an EV5 schedule is
>> 30 # more likely to keep an EV4 processor busy than vice-versa.
>> 31 cpuflags-$(CONFIG_ALPHA_GENERIC) := -mcpu=ev5
27 32
28 boot := arch/$(ARCH)/boot !! 33 cflags-y += $(cpuflags-y)
29 34
30 ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y) <<
31 KBUILD_CFLAGS += $(call cc-option,-mha <<
32 else <<
33 KBUILD_CFLAGS += $(call cc-option,-mso <<
34 endif <<
35 35
36 ifeq ($(CONFIG_OPENRISC_HAVE_INST_DIV),y) !! 36 # For TSUNAMI, we must have the assembler not emulate our instructions.
37 KBUILD_CFLAGS += $(call cc-option,-mha !! 37 # The same is true for IRONGATE, POLARIS, PYXIS.
38 else !! 38 # BWX is most important, but we don't really want any emulation ever.
39 KBUILD_CFLAGS += $(call cc-option,-mso !! 39 KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
40 endif <<
41 40
42 ifeq ($(CONFIG_OPENRISC_HAVE_INST_CMOV),y) !! 41 head-y := arch/alpha/kernel/head.o
43 KBUILD_CFLAGS += $(call cc-option,-mcm <<
44 endif <<
45 42
46 ifeq ($(CONFIG_OPENRISC_HAVE_INST_ROR),y) !! 43 core-y += arch/alpha/kernel/ arch/alpha/mm/
47 KBUILD_CFLAGS += $(call cc-option,-mro !! 44 core-$(CONFIG_MATHEMU) += arch/alpha/math-emu/
48 endif !! 45 drivers-$(CONFIG_OPROFILE) += arch/alpha/oprofile/
>> 46 libs-y += arch/alpha/lib/
49 47
50 ifeq ($(CONFIG_OPENRISC_HAVE_INST_RORI),y) !! 48 # export what is needed by arch/alpha/boot/Makefile
51 KBUILD_CFLAGS += $(call cc-option,-mro !! 49 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
52 endif !! 50 export LIBS_Y
53 51
54 ifeq ($(CONFIG_OPENRISC_HAVE_INST_SEXT),y) !! 52 boot := arch/alpha/boot
55 KBUILD_CFLAGS += $(call cc-option,-mse <<
56 endif <<
57 53
58 libs-y += $(LIBGCC) !! 54 #Default target when executing make with no arguments
>> 55 all boot: $(boot)/vmlinux.gz
59 56
60 PHONY += vmlinux.bin !! 57 $(boot)/vmlinux.gz: vmlinux
>> 58 $(Q)$(MAKE) $(build)=$(boot) $@
61 59
62 vmlinux.bin: vmlinux !! 60 bootimage bootpfile bootpzfile: vmlinux
63 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 61 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
>> 62
>> 63 archclean:
>> 64 $(Q)$(MAKE) $(clean)=$(boot)
>> 65
>> 66 archheaders:
>> 67 $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
>> 68
>> 69 define archhelp
>> 70 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
>> 71 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)'
>> 72 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)'
>> 73 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
>> 74 endef
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