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
24
25MACHINE := $(shell uname -m)
26ifeq ($(MACHINE),parisc*)
27NATIVE := 1
28endif
29
30ifdef CONFIG_64BIT
31UTS_MACHINE := parisc64
32CHECKFLAGS += -D__LP64__=1 -m64
33WIDTH := 64
34CROSS_COMPILE := hppa64-linux-gnu-
35else # 32-bit
36WIDTH :=
37endif
38
39# attempt to help out folks who are cross-compiling
40ifeq ($(NATIVE),1)
41CROSS_COMPILE := hppa$(WIDTH)-linux-
42endif
43
44OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
45
46cflags-y := -pipe
47
48# These flags should be implied by an hppa-linux configuration, but they
49# are not in gcc 3.2.
50cflags-y += -mno-space-regs -mfast-indirect-calls
51
52# Currently we save and restore fpregs on all kernel entry/interruption paths.
53# If that gets optimized, we might need to disable the use of fpregs in the
54# kernel.
55cflags-y += -mdisable-fpregs
56
57# Without this, "ld -r" results in .text sections that are too big
58# (> 0x40000) for branches to reach stubs.
59ifndef CONFIG_FUNCTION_TRACER
60  cflags-y += -ffunction-sections
61endif
62
63# select which processor to optimise for
64cflags-$(CONFIG_PA7100) += -march=1.1 -mschedule=7100
65cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
66cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
67cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
68cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
69
70head-y := arch/parisc/kernel/head.o
71
72KBUILD_CFLAGS += $(cflags-y)
73
74kernel-y := mm/ kernel/ math-emu/ kernel/init_task.o
75kernel-$(CONFIG_HPUX) += hpux/
76
77core-y += $(addprefix arch/parisc/, $(kernel-y))
78libs-y += arch/parisc/lib/ `$(CC) -print-libgcc-file-name`
79
80drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/
81
82PALO := $(shell if (which palo 2>&1); then : ; \
83    elif [ -x /sbin/palo ]; then echo /sbin/palo; \
84    fi)
85
86PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
87    else echo $(obj)/palo.conf; \
88    fi)
89
90palo: vmlinux
91    @if test ! -x "$(PALO)"; then \
92        echo 'ERROR: Please install palo first (apt-get install palo)';\
93        echo 'or build it from source and install it somewhere in your $$PATH';\
94        false; \
95    fi
96    @if test ! -f "$(PALOCONF)"; then \
97        cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
98        echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
99        echo 'You should check it and re-run "make palo".'; \
100        echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
101        false; \
102    fi
103    $(PALO) -f $(PALOCONF)
104
105# Shorthands for known targets not supported by parisc, use vmlinux as default
106Image zImage bzImage: vmlinux
107
108kernel_install: vmlinux
109    sh $(src)/arch/parisc/install.sh \
110            $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
111
112install: kernel_install modules_install
113
114CLEAN_FILES += lifimage
115MRPROPER_FILES += palo.conf
116
117define archhelp
118    @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
119    @echo ' palo - Bootable image (./lifimage)'
120    @echo ' install - Install kernel using'
121    @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
122    @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
123    @echo ' copy to $$(INSTALL_PATH)'
124endef
125
126# we require gcc 3.3 or above to compile the kernel
127archprepare: checkbin
128checkbin:
129    @if test "$(call cc-version)" -lt "0303"; then \
130        echo -n "Sorry, GCC v3.3 or above is required to build " ; \
131        echo "the kernel." ; \
132        false ; \
133    fi
134

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