xref: /linux/arch/parisc/Makefile (revision ed3174d93c342b8b2eeba6bbd124707d55304a7b)
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#
19NM		= sh $(srctree)/arch/parisc/nm
20CHECKFLAGS	+= -D__hppa__=1
21
22MACHINE		:= $(shell uname -m)
23ifeq ($(MACHINE),parisc*)
24NATIVE		:= 1
25endif
26
27ifdef CONFIG_64BIT
28UTS_MACHINE	:= parisc64
29CHECKFLAGS	+= -D__LP64__=1 -m64
30WIDTH		:= 64
31CROSS_COMPILE	:= hppa64-linux-gnu-
32else # 32-bit
33WIDTH		:=
34endif
35
36# attempt to help out folks who are cross-compiling
37ifeq ($(NATIVE),1)
38CROSS_COMPILE	:= hppa$(WIDTH)-linux-
39endif
40
41OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
42
43cflags-y	:= -pipe
44
45# These flags should be implied by an hppa-linux configuration, but they
46# are not in gcc 3.2.
47cflags-y	+= -mno-space-regs -mfast-indirect-calls
48
49# Currently we save and restore fpregs on all kernel entry/interruption paths.
50# If that gets optimized, we might need to disable the use of fpregs in the
51# kernel.
52cflags-y	+= -mdisable-fpregs
53
54# Without this, "ld -r" results in .text sections that are too big
55# (> 0x40000) for branches to reach stubs.
56cflags-y	+= -ffunction-sections
57
58# select which processor to optimise for
59cflags-$(CONFIG_PA7100)		+= -march=1.1 -mschedule=7100
60cflags-$(CONFIG_PA7200)		+= -march=1.1 -mschedule=7200
61cflags-$(CONFIG_PA7100LC)	+= -march=1.1 -mschedule=7100LC
62cflags-$(CONFIG_PA7300LC)	+= -march=1.1 -mschedule=7300
63cflags-$(CONFIG_PA8X00)		+= -march=2.0 -mschedule=8000
64
65head-y			:= arch/parisc/kernel/head.o
66
67KBUILD_CFLAGS	+= $(cflags-y)
68
69kernel-y			:= mm/ kernel/ math-emu/ kernel/init_task.o
70kernel-$(CONFIG_HPUX)		+= hpux/
71
72core-y	+= $(addprefix arch/parisc/, $(kernel-y))
73libs-y	+= arch/parisc/lib/ `$(CC) -print-libgcc-file-name`
74
75drivers-$(CONFIG_OPROFILE)		+= arch/parisc/oprofile/
76
77PALO := $(shell if which palo; then : ; \
78	elif [ -x /sbin/palo ]; then echo /sbin/palo; \
79	fi)
80
81PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
82	else echo $(obj)/palo.conf; \
83	fi)
84
85palo: vmlinux
86	@if test ! -x "$(PALO)"; then \
87		echo 'ERROR: Please install palo first (apt-get install palo)';\
88		echo 'or build it from source and install it somewhere in your $$PATH';\
89		false; \
90	fi
91	@if test ! -f "$(PALOCONF)"; then \
92		cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
93		echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
94		echo 'You should check it and re-run "make palo".'; \
95		echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
96		false; \
97	fi
98	$(PALO) -f $(PALOCONF)
99
100# Shorthands for known targets not supported by parisc, use vmlinux as default
101Image zImage bzImage: vmlinux
102
103kernel_install: vmlinux
104	sh $(src)/arch/parisc/install.sh \
105			$(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
106
107install: kernel_install modules_install
108
109CLEAN_FILES	+= lifimage
110MRPROPER_FILES	+= palo.conf
111
112define archhelp
113	@echo  '* vmlinux	- Uncompressed kernel image (./vmlinux)'
114	@echo  '  palo		- Bootable image (./lifimage)'
115	@echo  '  install	- Install kernel using'
116	@echo  '		  (your) ~/bin/installkernel or'
117	@echo  '		  (distribution) /sbin/installkernel or'
118	@echo  '		  copy to $$(INSTALL_PATH)'
119endef
120
121# we require gcc 3.3 or above to compile the kernel
122archprepare: checkbin
123checkbin:
124	@if test "$(call cc-version)" -lt "0303"; then \
125		echo -n "Sorry, GCC v3.3 or above is required to build " ; \
126		echo "the kernel." ; \
127		false ; \
128	fi
129