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) 1998-2004 by David Mosberger-Tang <davidm@hpl.hp.com>
11 NM := $(CROSS_COMPILE)nm -B
12 READELF := $(CROSS_COMPILE)readelf
16 OBJCOPYFLAGS := --strip-all
17 LDFLAGS_vmlinux := -static
18 LDFLAGS_MODULE += -T $(srctree)/arch/ia64/module.lds
19 AFLAGS_KERNEL := -mconstant-gp
22 cflags-y := -pipe $(EXTRA) -ffixed-r13 -mfixed-range=f12-f15,f32-f127 \
23 -falign-functions=32 -frename-registers
24 CFLAGS_KERNEL := -mconstant-gp
26 GCC_VERSION=$(shell $(CC) -v 2>&1 | fgrep 'gcc version' | cut -f3 -d' ' | cut -f1 -d'.')
27 GCC_MINOR_VERSION=$(shell $(CC) -v 2>&1 | fgrep 'gcc version' | cut -f3 -d' ' | cut -f2 -d'.')
29 GAS_STATUS = $(shell $(srctree)/arch/ia64/scripts/check-gas $(CC) $(OBJDUMP))
30 CPPFLAGS += $(shell $(srctree)/arch/ia64/scripts/toolchain-flags $(CC) $(OBJDUMP) $(READELF))
32 ifeq ($(GAS_STATUS),buggy)
33 $(error Sorry, you need a newer version of the assember, one that is built from \
34 a source-tree that post-dates 18-Dec-2002. You can find a pre-compiled \
35 static binary of such an assembler at: \
37 ftp://ftp.hpl.hp.com/pub/linux-ia64/gas-030124.tar.gz)
40 ifeq ($(GCC_VERSION),2)
41 $(error Sorry, your compiler is too old. GCC v2.96 is known to generate bad code.)
44 ifeq ($(GCC_VERSION),3)
45 ifeq ($(GCC_MINOR_VERSION),4)
46 # Workaround Itanium 1 bugs in gcc 3.4.
47 # cflags-$(CONFIG_ITANIUM) += -mtune=merced
48 cflags-$(CONFIG_MCKINLEY) += -mtune=mckinley
52 cflags-$(CONFIG_ITANIUM_BSTEP_SPECIFIC) += -mb-step
55 head-y := arch/ia64/kernel/head.o arch/ia64/kernel/init_task.o
57 libs-y += arch/ia64/lib/
58 core-y += arch/ia64/kernel/ arch/ia64/mm/
59 core-$(CONFIG_IA32_SUPPORT) += arch/ia64/ia32/
60 core-$(CONFIG_IA64_DIG) += arch/ia64/dig/
61 core-$(CONFIG_IA64_GENERIC) += arch/ia64/dig/
62 core-$(CONFIG_IA64_HP_ZX1) += arch/ia64/dig/
63 core-$(CONFIG_IA64_SGI_SN2) += arch/ia64/sn/
65 drivers-$(CONFIG_PCI) += arch/ia64/pci/
66 drivers-$(CONFIG_IA64_HP_SIM) += arch/ia64/hp/sim/
67 drivers-$(CONFIG_IA64_HP_ZX1) += arch/ia64/hp/common/ arch/ia64/hp/zx1/
68 drivers-$(CONFIG_IA64_GENERIC) += arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ arch/ia64/sn/
69 drivers-$(CONFIG_OPROFILE) += arch/ia64/oprofile/
71 boot := arch/ia64/hp/sim/boot
73 .PHONY: boot compressed check
75 all: compressed unwcheck
77 compressed: vmlinux.gz
80 $(Q)$(MAKE) $(build)=$(boot) $@
83 -$(Q)READELF=$(READELF) $(srctree)/arch/ia64/scripts/unwcheck.py $<
86 $(Q)$(MAKE) $(clean)=$(boot)
88 CLEAN_FILES += include/asm-ia64/.offsets.h.stamp include/asm-ia64/offsets.h vmlinux.gz bootloader
90 prepare: include/asm-ia64/offsets.h
92 arch/ia64/kernel/asm-offsets.s: include/asm include/linux/version.h include/config/MARKER
94 include/asm-ia64/offsets.h: arch/ia64/kernel/asm-offsets.s
95 $(call filechk,gen-asm-offsets)
97 arch/ia64/kernel/asm-offsets.s: include/asm-ia64/.offsets.h.stamp
99 include/asm-ia64/.offsets.h.stamp:
100 mkdir -p include/asm-ia64
101 [ -s include/asm-ia64/offsets.h ] \
102 || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/offsets.h
105 boot: lib/lib.a vmlinux
106 $(Q)$(MAKE) $(build)=$(boot) $@
109 sh $(srctree)/arch/ia64/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
112 echo '* compressed - Build compressed kernel image'
113 echo ' install - Install compressed kernel image'
114 echo ' boot - Build vmlinux and bootloader for Ski simulator'
115 echo '* unwcheck - Check vmlinux for invalid unwind info'