Root/arch/parisc/Makefile

1#
2# parisc/Makefile
3#
4# This file is included by the global makefile so that you can add your own
5# architecture-specific flags and dependencies. Remember to do have actions
6# for "archclean" and "archdep" for cleaning up and making dependencies for
7# this architecture
8#
9# This file is subject to the terms and conditions of the GNU General Public
10# License. See the file "COPYING" in the main directory of this archive
11# for more details.
12#
13# Copyright (C) 1994 by Linus Torvalds
14# Portions Copyright (C) 1999 The Puffin Group
15#
16# Modified for PA-RISC Linux by Paul Lahaie, Alex deVries,
17# Mike Shaver, Helge Deller and Martin K. Petersen
18#
19
20KBUILD_DEFCONFIG := default_defconfig
21
22NM = sh $(srctree)/arch/parisc/nm
23CHECKFLAGS += -D__hppa__=1
24LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
25
26MACHINE := $(shell uname -m)
27ifeq ($(MACHINE),parisc*)
28NATIVE := 1
29endif
30
31ifdef CONFIG_64BIT
32UTS_MACHINE := parisc64
33CHECKFLAGS += -D__LP64__=1 -m64
34WIDTH := 64
35
36# FIXME: if no default set, should really try to locate dynamically
37ifeq ($(CROSS_COMPILE),)
38CROSS_COMPILE := hppa64-linux-gnu-
39endif
40else # 32-bit
41WIDTH :=
42endif
43
44# attempt to help out folks who are cross-compiling
45ifeq ($(NATIVE),1)
46CROSS_COMPILE := hppa$(WIDTH)-linux-
47endif
48
49OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
50
51cflags-y := -pipe
52
53# These flags should be implied by an hppa-linux configuration, but they
54# are not in gcc 3.2.
55cflags-y += -mno-space-regs -mfast-indirect-calls
56
57# Currently we save and restore fpregs on all kernel entry/interruption paths.
58# If that gets optimized, we might need to disable the use of fpregs in the
59# kernel.
60cflags-y += -mdisable-fpregs
61
62# Without this, "ld -r" results in .text sections that are too big
63# (> 0x40000) for branches to reach stubs.
64ifndef CONFIG_FUNCTION_TRACER
65  cflags-y += -ffunction-sections
66endif
67
68# select which processor to optimise for
69cflags-$(CONFIG_PA7100) += -march=1.1 -mschedule=7100
70cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
71cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
72cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
73cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
74
75head-y := arch/parisc/kernel/head.o
76
77KBUILD_CFLAGS += $(cflags-y)
78
79kernel-y := mm/ kernel/ math-emu/
80kernel-$(CONFIG_HPUX) += hpux/
81
82core-y += $(addprefix arch/parisc/, $(kernel-y))
83libs-y += arch/parisc/lib/ $(LIBGCC)
84
85drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/
86
87PALO := $(shell if (which palo 2>&1); then : ; \
88    elif [ -x /sbin/palo ]; then echo /sbin/palo; \
89    fi)
90
91PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
92    else echo $(obj)/palo.conf; \
93    fi)
94
95palo: vmlinux
96    @if test ! -x "$(PALO)"; then \
97        echo 'ERROR: Please install palo first (apt-get install palo)';\
98        echo 'or build it from source and install it somewhere in your $$PATH';\
99        false; \
100    fi
101    @if test ! -f "$(PALOCONF)"; then \
102        cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
103        echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
104        echo 'You should check it and re-run "make palo".'; \
105        echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
106        false; \
107    fi
108    $(PALO) -f $(PALOCONF)
109
110# Shorthands for known targets not supported by parisc, use vmlinux as default
111Image zImage bzImage: vmlinux
112
113kernel_install: vmlinux
114    sh $(src)/arch/parisc/install.sh \
115            $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
116
117install: kernel_install modules_install
118
119CLEAN_FILES += lifimage
120MRPROPER_FILES += palo.conf
121
122define archhelp
123    @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
124    @echo ' palo - Bootable image (./lifimage)'
125    @echo ' install - Install kernel using'
126    @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
127    @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
128    @echo ' copy to $$(INSTALL_PATH)'
129endef
130
131# we require gcc 3.3 or above to compile the kernel
132archprepare: checkbin
133checkbin:
134    @if test "$(call cc-version)" -lt "0303"; then \
135        echo -n "Sorry, GCC v3.3 or above is required to build " ; \
136        echo "the kernel." ; \
137        false ; \
138    fi
139

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