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 NM := $(NM) -B
19 12
20 OBJCOPYFLAGS := -O binary -R .note -R .comm !! 13 LDFLAGS_vmlinux := -static -N #-relax
21 LIBGCC := $(shell $(CC) $(KBUILD_CFLA !! 14 CHECKFLAGS += -D__alpha__
>> 15 cflags-y := -pipe -mno-fp-regs -ffixed-8
>> 16 cflags-y += $(call cc-option, -fno-jump-tables)
22 17
23 KBUILD_CFLAGS += -pipe -ffixed-r10 -D__linux !! 18 cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
24 KBUILD_CFLAGS += -msfimm -mshftimm !! 19 cpuflags-$(CONFIG_ALPHA_EV5) := -mcpu=ev5
>> 20 cpuflags-$(CONFIG_ALPHA_EV56) := -mcpu=ev56
>> 21 cpuflags-$(CONFIG_ALPHA_POLARIS) := -mcpu=pca56
>> 22 cpuflags-$(CONFIG_ALPHA_SX164) := -mcpu=pca56
>> 23 cpuflags-$(CONFIG_ALPHA_EV6) := -mcpu=ev6
>> 24 cpuflags-$(CONFIG_ALPHA_EV67) := -mcpu=ev67
>> 25 # If GENERIC, make sure to turn off any instruction set extensions that
>> 26 # the host compiler might have on by default. Given that EV4 and EV5
>> 27 # have the same instruction set, prefer EV5 because an EV5 schedule is
>> 28 # more likely to keep an EV4 processor busy than vice-versa.
>> 29 cpuflags-$(CONFIG_ALPHA_GENERIC) := -mcpu=ev5
25 30
26 all: vmlinux.bin !! 31 cflags-y += $(cpuflags-y)
27 32
28 boot := arch/$(ARCH)/boot <<
29 33
30 ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y) !! 34 # For TSUNAMI, we must have the assembler not emulate our instructions.
31 KBUILD_CFLAGS += $(call cc-option,-mha !! 35 # The same is true for IRONGATE, POLARIS, PYXIS.
32 else !! 36 # BWX is most important, but we don't really want any emulation ever.
33 KBUILD_CFLAGS += $(call cc-option,-mso !! 37 KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
34 endif <<
35 38
36 ifeq ($(CONFIG_OPENRISC_HAVE_INST_DIV),y) !! 39 libs-y += arch/alpha/lib/
37 KBUILD_CFLAGS += $(call cc-option,-mha <<
38 else <<
39 KBUILD_CFLAGS += $(call cc-option,-mso <<
40 endif <<
41 40
42 ifeq ($(CONFIG_OPENRISC_HAVE_INST_CMOV),y) !! 41 # export what is needed by arch/alpha/boot/Makefile
43 KBUILD_CFLAGS += $(call cc-option,-mcm !! 42 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
44 endif !! 43 export LIBS_Y
45 44
46 ifeq ($(CONFIG_OPENRISC_HAVE_INST_ROR),y) !! 45 boot := arch/alpha/boot
47 KBUILD_CFLAGS += $(call cc-option,-mro <<
48 endif <<
49 46
50 ifeq ($(CONFIG_OPENRISC_HAVE_INST_RORI),y) !! 47 #Default target when executing make with no arguments
51 KBUILD_CFLAGS += $(call cc-option,-mro !! 48 all boot: $(boot)/vmlinux.gz
52 endif <<
53 49
54 ifeq ($(CONFIG_OPENRISC_HAVE_INST_SEXT),y) !! 50 $(boot)/vmlinux.gz: vmlinux
55 KBUILD_CFLAGS += $(call cc-option,-mse !! 51 $(Q)$(MAKE) $(build)=$(boot) $@
56 endif <<
57 52
58 libs-y += $(LIBGCC) !! 53 bootimage bootpfile bootpzfile: vmlinux
>> 54 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
59 55
60 PHONY += vmlinux.bin !! 56 archheaders:
>> 57 $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
61 58
62 vmlinux.bin: vmlinux !! 59 define archhelp
63 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 60 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
>> 61 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)'
>> 62 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)'
>> 63 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
>> 64 endef
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