7ed678cf5e416bce14a8a900a1bf4f77d733d173
[linux-2.6.git] / arch / ia64 / Makefile
1 #
2 # ia64/Makefile
3 #
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
6 # for more details.
7 #
8 # Copyright (C) 1998-2004 by David Mosberger-Tang <davidm@hpl.hp.com>
9 #
10
11 NM := $(CROSS_COMPILE)nm -B
12 READELF := $(CROSS_COMPILE)readelf
13
14 export AWK
15
16 CHECKFLAGS      += -m64 -D__ia64=1 -D__ia64__=1 -D_LP64 -D__LP64__
17
18 OBJCOPYFLAGS    := --strip-all
19 LDFLAGS_vmlinux := -static
20 LDFLAGS_MODULE  += -T $(srctree)/arch/ia64/module.lds
21 AFLAGS_KERNEL   := -mconstant-gp
22 EXTRA           :=
23
24 cflags-y        := -pipe $(EXTRA) -ffixed-r13 -mfixed-range=f12-f15,f32-f127 \
25                    -falign-functions=32 -frename-registers -fno-optimize-sibling-calls
26 CFLAGS_KERNEL   := -mconstant-gp
27
28 GCC_VERSION     := $(call cc-version)
29 GAS_STATUS      = $(shell $(srctree)/arch/ia64/scripts/check-gas "$(CC)" "$(OBJDUMP)")
30 CPPFLAGS += $(shell $(srctree)/arch/ia64/scripts/toolchain-flags "$(CC)" "$(OBJDUMP)" "$(READELF)")
31
32 ifeq ($(GAS_STATUS),buggy)
33 $(error Sorry, you need a newer version of the assember, one that is built from \
34         a source-tree that post-dates 18-Dec-2002.  You can find a pre-compiled \
35         static binary of such an assembler at:                                  \
36                                                                                 \
37                 ftp://ftp.hpl.hp.com/pub/linux-ia64/gas-030124.tar.gz)
38 endif
39
40 ifneq ($(shell if [ $(GCC_VERSION) -lt 0300 ] ; then echo "bad"; fi ;),)
41 $(error Sorry, your compiler is too old.  GCC v2.96 is known to generate bad code.)
42 endif
43
44 ifeq ($(GCC_VERSION),0304)
45         cflags-$(CONFIG_ITANIUM)        += -mtune=merced
46         cflags-$(CONFIG_MCKINLEY)       += -mtune=mckinley
47 endif
48
49 CFLAGS += $(cflags-y)
50 head-y := arch/ia64/kernel/head.o arch/ia64/kernel/init_task.o
51
52 libs-y                          += arch/ia64/lib/
53 core-y                          += arch/ia64/kernel/ arch/ia64/mm/
54 core-$(CONFIG_IA32_SUPPORT)     += arch/ia64/ia32/
55 core-$(CONFIG_IA64_DIG)         += arch/ia64/dig/
56 core-$(CONFIG_IA64_GENERIC)     += arch/ia64/dig/
57 core-$(CONFIG_IA64_HP_ZX1)      += arch/ia64/dig/
58 core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
59 core-$(CONFIG_IA64_SGI_SN2)     += arch/ia64/sn/
60
61 drivers-$(CONFIG_PCI)           += arch/ia64/pci/
62 drivers-$(CONFIG_IA64_HP_SIM)   += arch/ia64/hp/sim/
63 drivers-$(CONFIG_IA64_HP_ZX1)   += arch/ia64/hp/common/ arch/ia64/hp/zx1/
64 drivers-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/hp/common/ arch/ia64/hp/zx1/
65 drivers-$(CONFIG_IA64_GENERIC)  += arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ arch/ia64/sn/
66 drivers-$(CONFIG_OPROFILE)      += arch/ia64/oprofile/
67
68 boot := arch/ia64/hp/sim/boot
69
70 .PHONY: boot compressed check
71
72 all: compressed unwcheck
73
74 compressed: vmlinux.gz
75
76 vmlinux.gz: vmlinux
77         $(Q)$(MAKE) $(build)=$(boot) $@
78
79 unwcheck: vmlinux
80         -$(Q)READELF=$(READELF) $(srctree)/arch/ia64/scripts/unwcheck.py $<
81
82 archclean:
83         $(Q)$(MAKE) $(clean)=$(boot)
84
85 prepare:  include/asm-ia64/.offsets.h.stamp
86
87 include/asm-ia64/.offsets.h.stamp:
88         mkdir -p include/asm-ia64
89         [ -s include/asm-ia64/asm-offsets.h ] \
90         || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/asm-offsets.h
91         touch $@
92
93
94
95 CLEAN_FILES += vmlinux.gz bootloader include/asm-ia64/.offsets.h.stamp
96
97 boot:   lib/lib.a vmlinux
98         $(Q)$(MAKE) $(build)=$(boot) $@
99
100 install: vmlinux.gz
101         sh $(srctree)/arch/ia64/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
102
103 define archhelp
104   echo '* compressed    - Build compressed kernel image'
105   echo '  install       - Install compressed kernel image'
106   echo '  boot          - Build vmlinux and bootloader for Ski simulator'
107   echo '* unwcheck      - Check vmlinux for invalid unwind info'
108 endef