4 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies.
7 # This file is subject to the terms and conditions of the GNU General Public
8 # License. See the file "COPYING" in the main directory of this archive
11 # Copyright (C) 1994 by Linus Torvalds
12 # Portions Copyright (C) 1999 The Puffin Group
14 # Modified for PA-RISC Linux by Paul Lahaie, Alex deVries,
15 # Mike Shaver, Helge Deller and Martin K. Petersen
18 ifdef CONFIG_PARISC_SELF_EXTRACT
19 boot := arch/parisc/boot
20 KBUILD_IMAGE := $(boot)/bzImage
22 KBUILD_IMAGE := vmlinuz
25 NM = sh $(srctree)/arch/parisc/nm
26 CHECKFLAGS += -D__hppa__=1
29 UTS_MACHINE := parisc64
30 CHECKFLAGS += -D__LP64__=1
31 LD_BFD := elf64-hppa-linux
33 LD_BFD := elf32-hppa-linux
36 # select defconfig based on actual architecture
37 ifeq ($(ARCH),parisc64)
38 KBUILD_DEFCONFIG := generic-64bit_defconfig
41 KBUILD_DEFCONFIG := generic-32bit_defconfig
42 CC_ARCHES := hppa hppa2.0 hppa1.1
48 ifeq ($(CROSS_COMPILE),)
49 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
50 CROSS_COMPILE := $(call cc-cross-prefix, \
51 $(foreach a,$(CC_ARCHES), \
52 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
56 ifdef CONFIG_DYNAMIC_FTRACE
63 export CC_USING_RECORD_MCOUNT:=1
64 export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1
66 KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1
67 KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
68 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)
70 CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
73 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
77 # These flags should be implied by an hppa-linux configuration, but they
79 cflags-y += -mno-space-regs
81 # -mfast-indirect-calls is only relevant for 32-bit kernels.
83 cflags-y += -mfast-indirect-calls
86 # Currently we save and restore fpregs on all kernel entry/interruption paths.
87 # If that gets optimized, we might need to disable the use of fpregs in the
89 cflags-y += -mdisable-fpregs
91 # Use long jumps instead of long branches (needed if your linker fails to
92 # link a too big vmlinux executable). Not enabled for building modules.
93 ifdef CONFIG_MLONGCALLS
94 KBUILD_CFLAGS_KERNEL += -mlong-calls
97 # Without this, "ld -r" results in .text sections that are too big (> 0x40000)
98 # for branches to reach stubs. And multiple .text sections trigger a warning
99 # when creating the sysfs module information section.
101 KBUILD_CFLAGS_MODULE += -ffunction-sections
104 # select which processor to optimise for
105 cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100
106 cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
107 cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
108 cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
109 cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
111 head-y := arch/parisc/kernel/head.o
113 KBUILD_CFLAGS += $(cflags-y)
114 LIBGCC := $(shell $(CC) -print-libgcc-file-name)
117 libs-y += arch/parisc/lib/ $(LIBGCC)
119 boot := arch/parisc/boot
121 PALO := $(shell if (which palo 2>&1); then : ; \
122 elif [ -x /sbin/palo ]; then echo /sbin/palo; \
125 PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
126 else echo $(objtree)/palo.conf; \
129 palo lifimage: vmlinuz
130 @if test ! -x "$(PALO)"; then \
131 echo 'ERROR: Please install palo first (apt-get install palo)';\
132 echo 'or build it from source and install it somewhere in your $$PATH';\
135 @if test ! -f "$(PALOCONF)"; then \
136 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
137 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
138 echo 'You should check it and re-run "make palo".'; \
139 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
142 $(PALO) -f $(PALOCONF)
144 BOOT_TARGETS = zImage Image palo lifimage
145 INSTALL_TARGETS = zinstall install
147 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
149 # Default kernel to build
156 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
158 ifdef CONFIG_PARISC_SELF_EXTRACT
160 $(OBJCOPY) $(boot)/bzImage $@
163 @$(KGZIP) -cf -9 $< > $@
167 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
168 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
170 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
171 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
173 CLEAN_FILES += lifimage
174 MRPROPER_FILES += palo.conf
177 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
178 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)'
179 @echo ' palo - Bootable image (./lifimage)'
180 @echo ' install - Install uncompressed vmlinux kernel using'
181 @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
182 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
183 @echo ' copy to $$(INSTALL_PATH)'
184 @echo ' zinstall - Install compressed vmlinuz kernel'
188 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all