1 # 1 #
>> 2 # This file is included by the global makefile so that you can add your own
>> 3 # architecture-specific flags and dependencies. Remember to do have actions
>> 4 # for "archclean" and "archdep" for cleaning up and making dependencies for
>> 5 # this architecture
>> 6 #
2 # This file is subject to the terms and condit 7 # This file is subject to the terms and conditions of the GNU General Public
3 # License. See the file "COPYING" in the main 8 # License. See the file "COPYING" in the main directory of this archive
4 # for more details. 9 # for more details.
5 # 10 #
6 # Copyright (C) 2013 Altera Corporation !! 11 # Copyright (C) 1994 by Linus Torvalds
7 # Copyright (C) 1994, 95, 96, 2003 by Wind Riv !! 12 # Changes for PPC by Gary Thomas
8 # Written by Fredrik Markstrom !! 13 # Rewritten by Cort Dougan and Paul Mackerras
9 # 14 #
10 # This file is included by the global makefile <<
11 # architecture-specific flags and dependencies <<
12 # <<
13 # Nios2 port by Wind River Systems Inc trough: <<
14 # fredrik.markstrom@gmail.com and ivarholmqv <<
15 <<
16 KBUILD_DEFCONFIG := 3c120_defconfig <<
17 15
18 UTS_SYSNAME = Linux !! 16 # Be sure to change PAGE_OFFSET in include/asm-ppc/page.h to match
>> 17 KERNELLOAD =$(CONFIG_KERNEL_START)
19 18
20 export MMU !! 19 LINKFLAGS = -T arch/ppc/vmlinux.lds -Ttext $(KERNELLOAD) -Bstatic
>> 20 CPPFLAGS := $(CPPFLAGS) -I$(TOPDIR)/arch/$(ARCH)
>> 21 AFLAGS := $(AFLAGS) -I$(TOPDIR)/arch/$(ARCH)
>> 22 CFLAGS := $(CFLAGS) -I$(TOPDIR)/arch/$(ARCH) -fsigned-char \
>> 23 -msoft-float -pipe -ffixed-r2 -Wno-uninitialized \
>> 24 -mmultiple -mstring
>> 25 HOSTCFLAGS += -I$(TOPDIR)/arch/$(ARCH)
>> 26 CPP = $(CC) -E $(CFLAGS)
>> 27
>> 28 ifdef CONFIG_4xx
>> 29 CFLAGS := $(CFLAGS) -Wa,-m405
>> 30 endif
>> 31
>> 32 ifdef CONFIG_8xx
>> 33 CFLAGS := $(CFLAGS) -mcpu=860
>> 34 endif
>> 35
>> 36 ifdef CONFIG_PPC64BRIDGE
>> 37 CFLAGS := $(CFLAGS) -Wa,-mppc64bridge
>> 38 endif
>> 39
>> 40 ifdef CONFIG_MORE_COMPILE_OPTIONS
>> 41 # Use sed to remove the quotes.
>> 42 CFLAGS += $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
>> 43 endif
>> 44
>> 45 HEAD-y := arch/ppc/kernel/head.o
>> 46 HEAD-$(CONFIG_40x) := arch/ppc/kernel/head_4xx.o
>> 47 HEAD-$(CONFIG_44x) := arch/ppc/kernel/head_44x.o
>> 48 HEAD-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o
>> 49 HEAD-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o
>> 50
>> 51 HEAD := $(HEAD-y)
>> 52
>> 53 ARCH_SUBDIRS = arch/ppc/kernel arch/ppc/platforms arch/ppc/mm arch/ppc/lib
>> 54 SUBDIRS := $(SUBDIRS) $(ARCH_SUBDIRS)
>> 55 CORE_FILES := arch/ppc/kernel/kernel.o arch/ppc/platforms/platform.o \
>> 56 arch/ppc/mm/mm.o arch/ppc/lib/lib.o $(CORE_FILES)
>> 57
>> 58 ifdef CONFIG_MATH_EMULATION
>> 59 SUBDIRS += arch/ppc/math-emu
>> 60 CORE_FILES += arch/ppc/math-emu/math-emu.o
>> 61 endif
>> 62
>> 63 ifdef CONFIG_XMON
>> 64 SUBDIRS += arch/ppc/xmon
>> 65 CORE_FILES += arch/ppc/xmon/x.o
>> 66 endif
>> 67
>> 68 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
>> 69
>> 70 ifdef CONFIG_8xx
>> 71 SUBDIRS += arch/ppc/8xx_io
>> 72 DRIVERS += arch/ppc/8xx_io/8xx_io.o
>> 73 endif
>> 74
>> 75 ifdef CONFIG_CPM2
>> 76 SUBDIRS += arch/ppc/cpm2_io
>> 77 DRIVERS += arch/ppc/cpm2_io/cpm2_io.o
>> 78 endif
>> 79
>> 80 ifdef CONFIG_APUS
>> 81 SUBDIRS += arch/ppc/amiga
>> 82 CORE_FILES += arch/ppc/amiga/amiga.o
>> 83 endif
21 84
22 LIBGCC := $(shell $(CC) $(KBUILD_CFLAG !! 85 checks:
>> 86 @$(MAKE) -C arch/$(ARCH)/kernel checks
23 87
24 KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_R !! 88 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd uImage
25 89
26 KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__ !! 90 # All the instructions talk about "make bzImage".
27 KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_R !! 91 bzImage: zImage
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 92
35 KBUILD_CFLAGS += -fno-optimize-sibling-calls !! 93 $(BOOT_TARGETS): vmlinux
36 KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME !! 94 @$(MAKEBOOT) $@
37 KBUILD_CFLAGS += -fno-builtin <<
38 KBUILD_CFLAGS += -G 0 <<
39 <<
40 libs-y += arch/nios2/lib/ $(LIBGCC) <<
41 <<
42 INSTALL_PATH ?= /tftpboot <<
43 nios2-boot := arch/$(ARCH)/boot <<
44 BOOT_TARGETS = vmImage zImage <<
45 PHONY += $(BOOT_TARGETS) install <<
46 KBUILD_IMAGE := $(nios2-boot)/vmImage <<
47 95
48 all: vmImage !! 96 %_config: arch/ppc/configs/%_defconfig
>> 97 rm -f .config arch/ppc/defconfig
>> 98 cp -f arch/ppc/configs/$(@:config=defconfig) arch/ppc/defconfig
49 99
50 $(BOOT_TARGETS): vmlinux !! 100 archclean:
51 $(Q)$(MAKE) $(build)=$(nios2-boot) $(n !! 101 rm -f arch/ppc/kernel/{mk_defs,ppc_defs.h,find_name,checks}
>> 102 @$(MAKEBOOT) clean
52 103
53 install: !! 104 archmrproper:
54 $(call cmd,install) <<
55 105
56 define archhelp !! 106 archdep: scripts/mkdep
57 echo '* vmImage - Kernel-only image !! 107 $(MAKEBOOT) fastdep
58 echo ' install - Install kernel us <<
59 echo ' (your) ~/bin/$(I <<
60 echo ' (distribution) / <<
61 echo ' install to $$(IN <<
62 endef <<
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