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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
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#
Adrian Bunkc04f7ae2008-02-26 21:55:17 +020019
20KBUILD_DEFCONFIG := default_defconfig
21
Linus Torvalds1da177e2005-04-16 15:20:36 -070022NM = sh $(srctree)/arch/parisc/nm
23CHECKFLAGS += -D__hppa__=1
James Bottomley4c01acc2012-06-05 13:54:09 +090024LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
26ifdef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070027UTS_MACHINE := parisc64
28CHECKFLAGS += -D__LP64__=1 -m64
Helge Deller6880b012013-05-11 19:04:09 +000029CC_ARCHES = hppa64
Kyle McMartin991b7d62007-10-18 13:54:51 -070030else # 32-bit
Helge Deller6880b012013-05-11 19:04:09 +000031CC_ARCHES = hppa hppa2.0 hppa1.1
Linus Torvalds1da177e2005-04-16 15:20:36 -070032endif
33
Helge Deller6880b012013-05-11 19:04:09 +000034ifneq ($(SUBARCH),$(UTS_MACHINE))
35 ifeq ($(CROSS_COMPILE),)
36 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
37 CROSS_COMPILE := $(call cc-cross-prefix, \
38 $(foreach a,$(CC_ARCHES), \
39 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
40 endif
Kyle McMartin991b7d62007-10-18 13:54:51 -070041endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
44
45cflags-y := -pipe
46
47# These flags should be implied by an hppa-linux configuration, but they
48# are not in gcc 3.2.
49cflags-y += -mno-space-regs -mfast-indirect-calls
50
51# Currently we save and restore fpregs on all kernel entry/interruption paths.
52# If that gets optimized, we might need to disable the use of fpregs in the
53# kernel.
Randolph Chungfa681a12005-10-21 22:48:34 -040054cflags-y += -mdisable-fpregs
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
56# Without this, "ld -r" results in .text sections that are too big
57# (> 0x40000) for branches to reach stubs.
Helge Dellerd75f0542009-02-09 00:43:36 +010058ifndef CONFIG_FUNCTION_TRACER
59 cflags-y += -ffunction-sections
60endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070061
Helge Dellerec758f92013-01-31 21:44:28 +000062# Use long jumps instead of long branches (needed if your linker fails to
Helge Dellercf711302013-04-23 21:29:03 +020063# link a too big vmlinux executable). Not enabled for building modules.
64ifdef CONFIG_MLONGCALLS
65KBUILD_CFLAGS_KERNEL += -mlong-calls
66endif
Helge Dellerec758f92013-01-31 21:44:28 +000067
Linus Torvalds1da177e2005-04-16 15:20:36 -070068# select which processor to optimise for
Paul Bolle76603902013-05-29 09:56:58 +000069cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100
Linus Torvalds1da177e2005-04-16 15:20:36 -070070cflags-$(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
Sam Ravnborga0f97e02007-10-14 22:21:35 +020077KBUILD_CFLAGS += $(cflags-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
Thomas Gleixner481f93b2012-05-07 11:28:13 +020079kernel-y := mm/ kernel/ math-emu/
Linus Torvalds1da177e2005-04-16 15:20:36 -070080kernel-$(CONFIG_HPUX) += hpux/
81
82core-y += $(addprefix arch/parisc/, $(kernel-y))
James Bottomley4c01acc2012-06-05 13:54:09 +090083libs-y += arch/parisc/lib/ $(LIBGCC)
Linus Torvalds1da177e2005-04-16 15:20:36 -070084
85drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/
86
Kyle McMartin6525ee52008-12-08 09:43:08 +000087PALO := $(shell if (which palo 2>&1); then : ; \
Kyle McMartin5feb4f32007-10-18 15:09:59 -070088 elif [ -x /sbin/palo ]; then echo /sbin/palo; \
89 fi)
90
Kyle McMartinf67d4032007-10-20 09:31:33 -070091PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
92 else echo $(obj)/palo.conf; \
93 fi)
94
Kyle McMartin5feb4f32007-10-18 15:09:59 -070095palo: vmlinux
Kyle McMartinf67d4032007-10-20 09:31:33 -070096 @if test ! -x "$(PALO)"; then \
Kyle McMartin5feb4f32007-10-18 15:09:59 -070097 echo 'ERROR: Please install palo first (apt-get install palo)';\
98 echo 'or build it from source and install it somewhere in your $$PATH';\
99 false; \
100 fi
Kyle McMartinf67d4032007-10-20 09:31:33 -0700101 @if test ! -f "$(PALOCONF)"; then \
102 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
103 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
Kyle McMartin5feb4f32007-10-18 15:09:59 -0700104 echo 'You should check it and re-run "make palo".'; \
105 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
106 false; \
107 fi
Kyle McMartinf67d4032007-10-20 09:31:33 -0700108 $(PALO) -f $(PALOCONF)
Kyle McMartin5feb4f32007-10-18 15:09:59 -0700109
Kyle McMartin991b7d62007-10-18 13:54:51 -0700110# Shorthands for known targets not supported by parisc, use vmlinux as default
111Image zImage bzImage: vmlinux
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112
Rolf Eike Beer1905b772013-03-01 22:23:11 +0000113install: vmlinux
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 sh $(src)/arch/parisc/install.sh \
115 $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
116
Sam Ravnborg0013a852005-09-09 20:57:26 +0200117CLEAN_FILES += lifimage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118MRPROPER_FILES += palo.conf
119
120define archhelp
121 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
Kyle McMartin5feb4f32007-10-18 15:09:59 -0700122 @echo ' palo - Bootable image (./lifimage)'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123 @echo ' install - Install kernel using'
Sam Ravnborgcaa27b62009-07-20 21:37:11 +0200124 @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
125 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126 @echo ' copy to $$(INSTALL_PATH)'
127endef
Kyle McMartin991b7d62007-10-18 13:54:51 -0700128
129# we require gcc 3.3 or above to compile the kernel
130archprepare: checkbin
131checkbin:
132 @if test "$(call cc-version)" -lt "0303"; then \
133 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
134 echo "the kernel." ; \
135 false ; \
136 fi