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 boot := arch/parisc/boot
19 KBUILD_IMAGE := $(boot)/bzImage
21 NM = sh $(srctree)/arch/parisc/nm
22 CHECKFLAGS += -D__hppa__=1
25 UTS_MACHINE := parisc64
26 CHECKFLAGS += -D__LP64__=1
27 LD_BFD := elf64-hppa-linux
29 LD_BFD := elf32-hppa-linux
32 # select defconfig based on actual architecture
33 ifeq ($(ARCH),parisc64)
34 KBUILD_DEFCONFIG := generic-64bit_defconfig
37 KBUILD_DEFCONFIG := generic-32bit_defconfig
38 CC_ARCHES := hppa hppa2.0 hppa1.1
43 # Set default 32 bits cross compilers for vdso
44 CC_ARCHES_32 = hppa hppa2.0 hppa1.1
45 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu suse-linux
46 CROSS32_COMPILE := $(call cc-cross-prefix, \
47 $(foreach a,$(CC_ARCHES_32), \
48 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
49 CROSS32CC := $(CROSS32_COMPILE)gcc
52 # Set default cross compiler for kernel build
54 ifeq ($(CROSS_COMPILE),)
55 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu suse-linux
56 CROSS_COMPILE := $(call cc-cross-prefix, \
57 $(foreach a,$(CC_ARCHES), \
58 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
62 ifdef CONFIG_DYNAMIC_FTRACE
69 export CC_USING_RECORD_MCOUNT:=1
70 export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1
72 KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1
73 KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
74 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)
76 CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
79 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
83 # These flags should be implied by an hppa-linux configuration, but they
85 cflags-y += -mno-space-regs
87 # -mfast-indirect-calls is only relevant for 32-bit kernels.
89 cflags-y += -mfast-indirect-calls
92 # Currently we save and restore fpregs on all kernel entry/interruption paths.
93 # If that gets optimized, we might need to disable the use of fpregs in the
95 cflags-y += -mdisable-fpregs
97 # Use long jumps instead of long branches (needed if your linker fails to
98 # link a too big vmlinux executable). Not enabled for building modules.
99 ifdef CONFIG_MLONGCALLS
100 KBUILD_CFLAGS_KERNEL += -mlong-calls
103 # Without this, "ld -r" results in .text sections that are too big (> 0x40000)
104 # for branches to reach stubs. And multiple .text sections trigger a warning
105 # when creating the sysfs module information section.
107 KBUILD_CFLAGS_MODULE += -ffunction-sections
110 # select which processor to optimise for
111 cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100
112 cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
113 cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
114 cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
115 cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
117 head-y := arch/parisc/kernel/head.o
119 KBUILD_CFLAGS += $(cflags-y)
120 LIBGCC := $(shell $(CC) -print-libgcc-file-name)
123 libs-y += arch/parisc/lib/ $(LIBGCC)
125 boot := arch/parisc/boot
127 PALO := $(shell if (which palo 2>&1); then : ; \
128 elif [ -x /sbin/palo ]; then echo /sbin/palo; \
131 PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
132 else echo $(objtree)/palo.conf; \
135 palo lifimage: vmlinuz
136 @if test ! -x "$(PALO)"; then \
137 echo 'ERROR: Please install palo first (apt-get install palo)';\
138 echo 'or build it from source and install it somewhere in your $$PATH';\
141 @if test ! -f "$(PALOCONF)"; then \
142 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
143 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
144 echo 'You should check it and re-run "make palo".'; \
145 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
148 $(PALO) -f $(PALOCONF)
150 BOOT_TARGETS = zImage Image palo lifimage
151 INSTALL_TARGETS = zinstall install
153 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
155 # Default kernel to build
162 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
165 $(OBJCOPY) $(boot)/bzImage $@
167 ifeq ($(KBUILD_EXTMOD),)
168 # We need to generate vdso-offsets.h before compiling certain files in kernel/.
169 # In order to do that, we should use the archprepare target, but we can't since
170 # asm-offsets.h is included in some files used to generate vdso-offsets.h, and
171 # asm-offsets.h is built in prepare0, for which archprepare is a dependency.
172 # Therefore we need to generate the header after prepare0 has been made, hence
174 prepare: vdso_prepare
175 vdso_prepare: prepare0
176 $(if $(CONFIG_64BIT),$(Q)$(MAKE) \
177 $(build)=arch/parisc/kernel/vdso64 include/generated/vdso64-offsets.h)
178 $(Q)$(MAKE) $(build)=arch/parisc/kernel/vdso32 include/generated/vdso32-offsets.h
181 PHONY += vdso_install
184 $(Q)$(MAKE) $(build)=arch/parisc/kernel/vdso $@
185 $(if $(CONFIG_COMPAT_VDSO), \
186 $(Q)$(MAKE) $(build)=arch/parisc/kernel/vdso32 $@)
188 install: KBUILD_IMAGE := vmlinux
189 zinstall: KBUILD_IMAGE := vmlinuz
193 CLEAN_FILES += lifimage
194 MRPROPER_FILES += palo.conf
197 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
198 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)'
199 @echo ' palo - Bootable image (./lifimage)'
200 @echo ' install - Install uncompressed vmlinux kernel using'
201 @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
202 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
203 @echo ' copy to $$(INSTALL_PATH)'
204 @echo ' zinstall - Install compressed vmlinuz kernel'
208 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all