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
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
13 # Copyright (C) 1994 by Linus Torvalds
14 # Portions Copyright (C) 1999 The Puffin Group
16 # Modified for PA-RISC Linux by Paul Lahaie, Alex deVries,
17 # Mike Shaver, Helge Deller and Martin K. Petersen
20 ifdef CONFIG_PARISC_SELF_EXTRACT
21 boot := arch/parisc/boot
22 KBUILD_IMAGE := $(boot)/bzImage
24 KBUILD_IMAGE := vmlinuz
27 KBUILD_DEFCONFIG := default_defconfig
29 NM = sh $(srctree)/arch/parisc/nm
30 CHECKFLAGS += -D__hppa__=1
31 LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
35 UTS_MACHINE := parisc64
36 CHECKFLAGS += -D__LP64__=1
38 LD_BFD := elf64-hppa-linux
40 CC_ARCHES = hppa hppa2.0 hppa1.1
41 LD_BFD := elf32-hppa-linux
46 ifneq ($(SUBARCH),$(UTS_MACHINE))
47 ifeq ($(CROSS_COMPILE),)
48 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
49 CROSS_COMPILE := $(call cc-cross-prefix, \
50 $(foreach a,$(CC_ARCHES), \
51 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
55 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
59 # These flags should be implied by an hppa-linux configuration, but they
61 cflags-y += -mno-space-regs
63 # -mfast-indirect-calls is only relevant for 32-bit kernels.
65 cflags-y += -mfast-indirect-calls
68 # Currently we save and restore fpregs on all kernel entry/interruption paths.
69 # If that gets optimized, we might need to disable the use of fpregs in the
71 cflags-y += -mdisable-fpregs
73 # Use long jumps instead of long branches (needed if your linker fails to
74 # link a too big vmlinux executable). Not enabled for building modules.
75 ifdef CONFIG_MLONGCALLS
76 KBUILD_CFLAGS_KERNEL += -mlong-calls
79 # Without this, "ld -r" results in .text sections that are too big (> 0x40000)
80 # for branches to reach stubs. And multiple .text sections trigger a warning
81 # when creating the sysfs module information section.
83 KBUILD_CFLAGS_MODULE += -ffunction-sections
86 # select which processor to optimise for
87 cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100
88 cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
89 cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
90 cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
91 cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
93 head-y := arch/parisc/kernel/head.o
95 KBUILD_CFLAGS += $(cflags-y)
97 kernel-y := mm/ kernel/ math-emu/
99 core-y += $(addprefix arch/parisc/, $(kernel-y))
100 libs-y += arch/parisc/lib/ $(LIBGCC)
102 drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/
104 boot := arch/parisc/boot
106 PALO := $(shell if (which palo 2>&1); then : ; \
107 elif [ -x /sbin/palo ]; then echo /sbin/palo; \
110 PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
111 else echo $(obj)/palo.conf; \
114 palo lifimage: vmlinuz
115 @if test ! -x "$(PALO)"; then \
116 echo 'ERROR: Please install palo first (apt-get install palo)';\
117 echo 'or build it from source and install it somewhere in your $$PATH';\
120 @if test ! -f "$(PALOCONF)"; then \
121 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
122 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
123 echo 'You should check it and re-run "make palo".'; \
124 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
127 $(PALO) -f $(PALOCONF)
129 BOOT_TARGETS = zImage Image palo lifimage
130 INSTALL_TARGETS = zinstall install
132 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
134 # Default kernel to build
141 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
143 ifdef CONFIG_PARISC_SELF_EXTRACT
145 $(OBJCOPY) $(boot)/bzImage $@
152 $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
153 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
155 $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
156 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
158 CLEAN_FILES += lifimage
159 MRPROPER_FILES += palo.conf
162 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
163 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)'
164 @echo ' palo - Bootable image (./lifimage)'
165 @echo ' install - Install uncompressed vmlinux kernel using'
166 @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
167 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
168 @echo ' copy to $$(INSTALL_PATH)'
169 @echo ' zinstall - Install compressed vmlinuz kernel'
172 # we require gcc 3.3 or above to compile the kernel
173 archprepare: checkbin
175 @if test "$(cc-version)" -lt "0303"; then \
176 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
177 echo "the kernel." ; \