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 KBUILD_IMAGE := vmlinuz
22 NM = sh $(srctree)/arch/parisc/nm
23 CHECKFLAGS += -D__hppa__=1
24 LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
28 UTS_MACHINE := parisc64
29 CHECKFLAGS += -D__LP64__=1
31 LD_BFD := elf64-hppa-linux
33 CC_ARCHES = hppa hppa2.0 hppa1.1
34 LD_BFD := elf32-hppa-linux
39 ifneq ($(SUBARCH),$(UTS_MACHINE))
40 ifeq ($(CROSS_COMPILE),)
41 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
42 CROSS_COMPILE := $(call cc-cross-prefix, \
43 $(foreach a,$(CC_ARCHES), \
44 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
48 ifdef CONFIG_DYNAMIC_FTRACE
55 export CC_USING_RECORD_MCOUNT:=1
56 export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1
58 KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1
59 KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
60 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)
62 CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
65 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
69 # These flags should be implied by an hppa-linux configuration, but they
71 cflags-y += -mno-space-regs
73 # -mfast-indirect-calls is only relevant for 32-bit kernels.
75 cflags-y += -mfast-indirect-calls
78 # Currently we save and restore fpregs on all kernel entry/interruption paths.
79 # If that gets optimized, we might need to disable the use of fpregs in the
81 cflags-y += -mdisable-fpregs
83 # Use long jumps instead of long branches (needed if your linker fails to
84 # link a too big vmlinux executable). Not enabled for building modules.
85 ifdef CONFIG_MLONGCALLS
86 KBUILD_CFLAGS_KERNEL += -mlong-calls
89 # Without this, "ld -r" results in .text sections that are too big (> 0x40000)
90 # for branches to reach stubs. And multiple .text sections trigger a warning
91 # when creating the sysfs module information section.
93 KBUILD_CFLAGS_MODULE += -ffunction-sections
96 # select which processor to optimise for
97 cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100
98 cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
99 cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
100 cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
101 cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
103 head-y := arch/parisc/kernel/head.o
105 KBUILD_CFLAGS += $(cflags-y)
107 kernel-y := mm/ kernel/ math-emu/
109 core-y += $(addprefix arch/parisc/, $(kernel-y))
110 libs-y += arch/parisc/lib/ $(LIBGCC)
112 drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/
114 boot := arch/parisc/boot
116 PALO := $(shell if (which palo 2>&1); then : ; \
117 elif [ -x /sbin/palo ]; then echo /sbin/palo; \
120 PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
121 else echo $(objtree)/palo.conf; \
124 palo lifimage: vmlinuz
125 @if test ! -x "$(PALO)"; then \
126 echo 'ERROR: Please install palo first (apt-get install palo)';\
127 echo 'or build it from source and install it somewhere in your $$PATH';\
130 @if test ! -f "$(PALOCONF)"; then \
131 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
132 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
133 echo 'You should check it and re-run "make palo".'; \
134 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
137 $(PALO) -f $(PALOCONF)
139 BOOT_TARGETS = zImage Image palo lifimage
140 INSTALL_TARGETS = zinstall install
142 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
144 # Default kernel to build
151 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
153 ifdef CONFIG_PARISC_SELF_EXTRACT
155 $(OBJCOPY) $(boot)/bzImage $@
162 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
163 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
165 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
166 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
168 CLEAN_FILES += lifimage
169 MRPROPER_FILES += palo.conf
172 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
173 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)'
174 @echo ' palo - Bootable image (./lifimage)'
175 @echo ' install - Install uncompressed vmlinux kernel using'
176 @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
177 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
178 @echo ' copy to $$(INSTALL_PATH)'
179 @echo ' zinstall - Install compressed vmlinuz kernel'
183 $(Q)$(MAKE) $(clean)=$(boot)
186 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all