1 # This file is included by the global makefile so that you can add your own
2 # architecture-specific flags and dependencies.
4 # This file is subject to the terms and conditions of the GNU General Public
5 # License. See the file "COPYING" in the main directory of this archive
8 # Copyright (C) 1994 by Linus Torvalds
9 # Changes for PPC by Gary Thomas
10 # Rewritten by Cort Dougan and Paul Mackerras
13 # This must match PAGE_OFFSET in include/asm-ppc/page.h.
14 KERNELLOAD
:= $(CONFIG_KERNEL_START
)
16 HAS_BIARCH
:= $(call cc-option-yn
, -m32
)
17 ifeq ($(HAS_BIARCH
),y
)
19 LD
:= $(LD
) -m elf32ppc
23 LDFLAGS_vmlinux
:= -Ttext
$(KERNELLOAD
) -Bstatic
24 CPPFLAGS
+= -Iarch
/$(ARCH
) -Iinclude3
25 AFLAGS
+= -Iarch
/$(ARCH
)
26 CFLAGS
+= -Iarch
/$(ARCH
) -msoft-float
-pipe \
28 CPP
= $(CC
) -E
$(CFLAGS
)
29 # Temporary hack until we have migrated to asm-powerpc
30 LINUXINCLUDE
+= -Iinclude3
32 CHECKFLAGS
+= -D__powerpc__
34 ifndef CONFIG_FSL_BOOKE
38 cpu-as-
$(CONFIG_PPC64BRIDGE
) += -Wa
,-mppc64bridge
39 cpu-as-
$(CONFIG_4xx
) += -Wa
,-m405
40 cpu-as-
$(CONFIG_6xx
) += -Wa
,-maltivec
41 cpu-as-
$(CONFIG_POWER4
) += -Wa
,-maltivec
42 cpu-as-
$(CONFIG_E500
) += -Wa
,-me500
43 cpu-as-
$(CONFIG_E200
) += -Wa
,-me200
48 # Default to the common case.
49 KBUILD_DEFCONFIG
:= common_defconfig
51 head-y
:= arch
/ppc
/kernel
/head.o
52 head-
$(CONFIG_8xx
) := arch
/ppc
/kernel
/head_8xx.o
53 head-
$(CONFIG_4xx
) := arch
/ppc
/kernel
/head_4xx.o
54 head-
$(CONFIG_44x
) := arch
/ppc
/kernel
/head_44x.o
55 head-
$(CONFIG_FSL_BOOKE
) := arch
/ppc
/kernel
/head_fsl_booke.o
57 head-
$(CONFIG_6xx
) += arch
/ppc
/kernel
/idle_6xx.o
58 head-
$(CONFIG_POWER4
) += arch
/ppc
/kernel
/idle_power4.o
59 head-
$(CONFIG_PPC_FPU
) += arch
/ppc
/kernel
/fpu.o
61 core-y
+= arch
/ppc
/kernel
/ arch
/ppc
/platforms
/ \
62 arch
/ppc
/mm
/ arch
/ppc
/lib
/ arch
/ppc
/syslib
/
63 core-
$(CONFIG_4xx
) += arch
/ppc
/platforms
/4xx
/
64 core-
$(CONFIG_83xx
) += arch
/ppc
/platforms
/83xx
/
65 core-
$(CONFIG_85xx
) += arch
/ppc
/platforms
/85xx
/
66 core-
$(CONFIG_MATH_EMULATION
) += arch
/ppc
/math-emu
/
67 core-
$(CONFIG_XMON
) += arch
/ppc
/xmon
/
68 core-
$(CONFIG_APUS
) += arch
/ppc
/amiga
/
69 drivers-
$(CONFIG_8xx
) += arch
/ppc
/8xx_io
/
70 drivers-
$(CONFIG_4xx
) += arch
/ppc
/4xx_io
/
71 drivers-
$(CONFIG_CPM2
) += arch
/ppc
/8260_io
/
73 drivers-
$(CONFIG_OPROFILE
) += arch
/ppc
/oprofile
/
75 BOOT_TARGETS
= zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm
77 .PHONY
: $(BOOT_TARGETS
)
81 CPPFLAGS_vmlinux.lds
:= -Upowerpc
83 # All the instructions talk about "make bzImage".
86 boot
:= arch
/$(ARCH
)/boot
88 $(BOOT_TARGETS
): vmlinux
89 $(Q
)$(MAKE
) $(build
)=$(boot
) $@
92 $(Q
)$(MAKE
) $(build
)=$(boot
)/images
$(boot
)/images
/$@
95 @echo
'* zImage - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)'
96 @echo
' uImage - Create a bootable image for U-Boot / PPCBoot'
97 @echo
' install - Install kernel using'
98 @echo
' (your) ~/bin/installkernel or'
99 @echo
' (distribution) /sbin/installkernel or'
100 @echo
' install to $$(INSTALL_PATH) and run lilo'
101 @echo
' *_defconfig - Select default config from arch/$(ARCH)/ppc/configs'
105 $(Q
)$(MAKE
) $(clean)=arch
/ppc
/boot
108 prepare
: include/asm-
$(ARCH
)/offsets.h checkbin
110 arch
/$(ARCH
)/kernel
/asm-offsets.s
: include/asm
include/linux
/version.h \
111 include/config
/MARKER
113 include/asm-
$(ARCH
)/offsets.h
: arch
/$(ARCH
)/kernel
/asm-offsets.s
114 $(call filechk
,gen-asm-offsets
)
116 # Temporary hack until we have migrated to asm-powerpc
117 include/asm
: include3
/asm
119 $(Q
)if
[ ! -d include3
]; then mkdir
-p include3
; fi
120 $(Q
)ln
-fsn
$(srctree
)/include/asm-powerpc include3
/asm
122 # Use the file '.tmp_gas_check' for binutils tests, as gas won't output
123 # to stdout and these checks are run even on install targets.
124 TOUT
:= .tmp_gas_check
125 # Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec
127 # gcc-3.4 and binutils-2.14 are a fatal combination.
128 GCC_VERSION
:= $(call cc-version
)
131 @if
test "$(GCC_VERSION)" = "0304" ; then \
132 if
! /bin
/echo mftb
5 |
$(AS
) -v
-mppc
-many
-o
$(TOUT
) >/dev
/null
2>&1 ; then \
133 echo
-n
'*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \
134 echo
'correctly with gcc-3.4 and your version of binutils.'; \
135 echo
'*** Please upgrade your binutils or downgrade your gcc'; \
139 @if
! /bin
/echo dssall |
$(AS
) -many
-o
$(TOUT
) >/dev
/null
2>&1 ; then \
140 echo
-n
'*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
141 echo
'correctly with old versions of binutils.' ; \
142 echo
'*** Please upgrade your binutils to 2.12.1 or newer' ; \
146 CLEAN_FILES
+= include/asm-
$(ARCH
)/offsets.h \
147 arch
/$(ARCH
)/kernel
/asm-offsets.s \