1 # 1 #
>> 2 # alpha/Makefile
>> 3 #
2 # This file is subject to the terms and condit 4 # This file is subject to the terms and conditions of the GNU General Public
3 # License. See the file "COPYING" in the main 5 # License. See the file "COPYING" in the main directory of this archive
4 # for more details. 6 # for more details.
5 # 7 #
6 # Copyright (C) 2013 Altera Corporation !! 8 # Copyright (C) 1994 by Linus Torvalds
7 # Copyright (C) 1994, 95, 96, 2003 by Wind Riv <<
8 # Written by Fredrik Markstrom <<
9 # <<
10 # This file is included by the global makefile <<
11 # architecture-specific flags and dependencies <<
12 # 9 #
13 # Nios2 port by Wind River Systems Inc trough: <<
14 # fredrik.markstrom@gmail.com and ivarholmqv <<
15 10
16 KBUILD_DEFCONFIG := 3c120_defconfig !! 11 NM := $(NM) -B
>> 12
>> 13 LDFLAGS_vmlinux := -static -N #-relax
>> 14 CHECKFLAGS += -D__alpha__
>> 15 cflags-y := -pipe -mno-fp-regs -ffixed-8
>> 16 cflags-y += $(call cc-option, -fno-jump-tables)
17 17
18 UTS_SYSNAME = Linux !! 18 cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
>> 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
19 30
20 export MMU !! 31 cflags-y += $(cpuflags-y)
21 32
22 LIBGCC := $(shell $(CC) $(KBUILD_CFLAG <<
23 33
24 KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_R !! 34 # For TSUNAMI, we must have the assembler not emulate our instructions.
>> 35 # The same is true for IRONGATE, POLARIS, PYXIS.
>> 36 # BWX is most important, but we don't really want any emulation ever.
>> 37 KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
25 38
26 KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__ !! 39 libs-y += arch/alpha/lib/
27 KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_R <<
28 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SU <<
29 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_S <<
30 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SU <<
31 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPO <<
32 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPO <<
33 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPO <<
34 40
35 KBUILD_CFLAGS += -fno-optimize-sibling-calls !! 41 # export what is needed by arch/alpha/boot/Makefile
36 KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME !! 42 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
37 KBUILD_CFLAGS += -fno-builtin !! 43 export LIBS_Y
38 KBUILD_CFLAGS += -G 0 <<
39 44
40 libs-y += arch/nios2/lib/ $(LIBGCC) !! 45 boot := arch/alpha/boot
41 46
42 INSTALL_PATH ?= /tftpboot !! 47 #Default target when executing make with no arguments
43 nios2-boot := arch/$(ARCH)/boot !! 48 all boot: $(boot)/vmlinux.gz
44 BOOT_TARGETS = vmImage zImage <<
45 PHONY += $(BOOT_TARGETS) install <<
46 KBUILD_IMAGE := $(nios2-boot)/vmImage <<
47 49
48 all: vmImage !! 50 $(boot)/vmlinux.gz: vmlinux
>> 51 $(Q)$(MAKE) $(build)=$(boot) $@
49 52
50 $(BOOT_TARGETS): vmlinux !! 53 bootimage bootpfile bootpzfile: vmlinux
51 $(Q)$(MAKE) $(build)=$(nios2-boot) $(n !! 54 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
52 55
53 install: !! 56 archheaders:
54 $(call cmd,install) !! 57 $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
55 58
56 define archhelp 59 define archhelp
57 echo '* vmImage - Kernel-only image !! 60 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
58 echo ' install - Install kernel us !! 61 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)'
59 echo ' (your) ~/bin/$(I !! 62 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)'
60 echo ' (distribution) / !! 63 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
61 echo ' install to $$(IN <<
62 endef 64 endef
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