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 NM = sh $(srctree)/arch/parisc/nm
28 CHECKFLAGS += -D__hppa__=1
31 UTS_MACHINE := parisc64
32 CHECKFLAGS += -D__LP64__=1
34 LD_BFD := elf64-hppa-linux
36 CC_ARCHES = hppa hppa2.0 hppa1.1
37 LD_BFD := elf32-hppa-linux
40 # select defconfig based on actual architecture
41 ifeq ($(shell uname -m),parisc64)
42 KBUILD_DEFCONFIG := generic-64bit_defconfig
44 KBUILD_DEFCONFIG := generic-32bit_defconfig
49 ifneq ($(SUBARCH),$(UTS_MACHINE))
50 ifeq ($(CROSS_COMPILE),)
51 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
52 CROSS_COMPILE := $(call cc-cross-prefix, \
53 $(foreach a,$(CC_ARCHES), \
54 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
58 ifdef CONFIG_DYNAMIC_FTRACE
65 export CC_USING_RECORD_MCOUNT:=1
66 export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1
68 KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1
69 KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
70 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)
72 CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
75 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
79 # These flags should be implied by an hppa-linux configuration, but they
81 cflags-y += -mno-space-regs
83 # -mfast-indirect-calls is only relevant for 32-bit kernels.
85 cflags-y += -mfast-indirect-calls
88 # Currently we save and restore fpregs on all kernel entry/interruption paths.
89 # If that gets optimized, we might need to disable the use of fpregs in the
91 cflags-y += -mdisable-fpregs
93 # Use long jumps instead of long branches (needed if your linker fails to
94 # link a too big vmlinux executable). Not enabled for building modules.
95 ifdef CONFIG_MLONGCALLS
96 KBUILD_CFLAGS_KERNEL += -mlong-calls
99 # Without this, "ld -r" results in .text sections that are too big (> 0x40000)
100 # for branches to reach stubs. And multiple .text sections trigger a warning
101 # when creating the sysfs module information section.
103 KBUILD_CFLAGS_MODULE += -ffunction-sections
106 # select which processor to optimise for
107 cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100
108 cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
109 cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
110 cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
111 cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
113 head-y := arch/parisc/kernel/head.o
115 KBUILD_CFLAGS += $(cflags-y)
116 LIBGCC := $(shell $(CC) -print-libgcc-file-name)
119 kernel-y := mm/ kernel/ math-emu/
121 core-y += $(addprefix arch/parisc/, $(kernel-y))
122 libs-y += arch/parisc/lib/ $(LIBGCC)
124 drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/
126 boot := arch/parisc/boot
128 PALO := $(shell if (which palo 2>&1); then : ; \
129 elif [ -x /sbin/palo ]; then echo /sbin/palo; \
132 PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
133 else echo $(objtree)/palo.conf; \
136 palo lifimage: vmlinuz
137 @if test ! -x "$(PALO)"; then \
138 echo 'ERROR: Please install palo first (apt-get install palo)';\
139 echo 'or build it from source and install it somewhere in your $$PATH';\
142 @if test ! -f "$(PALOCONF)"; then \
143 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
144 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
145 echo 'You should check it and re-run "make palo".'; \
146 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
149 $(PALO) -f $(PALOCONF)
151 BOOT_TARGETS = zImage Image palo lifimage
152 INSTALL_TARGETS = zinstall install
154 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
156 # Default kernel to build
163 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
165 ifdef CONFIG_PARISC_SELF_EXTRACT
167 $(OBJCOPY) $(boot)/bzImage $@
170 @$(KGZIP) -cf -9 $< > $@
174 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
175 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
177 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
178 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
180 CLEAN_FILES += lifimage
181 MRPROPER_FILES += palo.conf
184 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
185 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)'
186 @echo ' palo - Bootable image (./lifimage)'
187 @echo ' install - Install uncompressed vmlinux kernel using'
188 @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
189 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
190 @echo ' copy to $$(INSTALL_PATH)'
191 @echo ' zinstall - Install compressed vmlinuz kernel'
195 $(Q)$(MAKE) $(clean)=$(boot)
198 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all