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 KBUILD_DEFCONFIG := default_defconfig
24 NM = sh $(srctree)/arch/parisc/nm
25 CHECKFLAGS += -D__hppa__=1
26 LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
30 UTS_MACHINE := parisc64
31 CHECKFLAGS += -D__LP64__=1
33 LD_BFD := elf64-hppa-linux
35 CC_ARCHES = hppa hppa2.0 hppa1.1
36 LD_BFD := elf32-hppa-linux
41 ifneq ($(SUBARCH),$(UTS_MACHINE))
42 ifeq ($(CROSS_COMPILE),)
43 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
44 CROSS_COMPILE := $(call cc-cross-prefix, \
45 $(foreach a,$(CC_ARCHES), \
46 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
50 ifdef CONFIG_DYNAMIC_FTRACE
57 export CC_USING_RECORD_MCOUNT:=1
58 export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1
60 KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1
61 KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
62 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)
64 CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
65 KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/parisc/kernel/module.lds
68 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
72 # These flags should be implied by an hppa-linux configuration, but they
74 cflags-y += -mno-space-regs
76 # -mfast-indirect-calls is only relevant for 32-bit kernels.
78 cflags-y += -mfast-indirect-calls
81 # Currently we save and restore fpregs on all kernel entry/interruption paths.
82 # If that gets optimized, we might need to disable the use of fpregs in the
84 cflags-y += -mdisable-fpregs
86 # Use long jumps instead of long branches (needed if your linker fails to
87 # link a too big vmlinux executable). Not enabled for building modules.
88 ifdef CONFIG_MLONGCALLS
89 KBUILD_CFLAGS_KERNEL += -mlong-calls
92 # Without this, "ld -r" results in .text sections that are too big (> 0x40000)
93 # for branches to reach stubs. And multiple .text sections trigger a warning
94 # when creating the sysfs module information section.
96 KBUILD_CFLAGS_MODULE += -ffunction-sections
99 # select which processor to optimise for
100 cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100
101 cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
102 cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
103 cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
104 cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
106 head-y := arch/parisc/kernel/head.o
108 KBUILD_CFLAGS += $(cflags-y)
110 kernel-y := mm/ kernel/ math-emu/
112 core-y += $(addprefix arch/parisc/, $(kernel-y))
113 libs-y += arch/parisc/lib/ $(LIBGCC)
115 drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/
117 boot := arch/parisc/boot
119 PALO := $(shell if (which palo 2>&1); then : ; \
120 elif [ -x /sbin/palo ]; then echo /sbin/palo; \
123 PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
124 else echo $(objtree)/palo.conf; \
127 palo lifimage: vmlinuz
128 @if test ! -x "$(PALO)"; then \
129 echo 'ERROR: Please install palo first (apt-get install palo)';\
130 echo 'or build it from source and install it somewhere in your $$PATH';\
133 @if test ! -f "$(PALOCONF)"; then \
134 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
135 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
136 echo 'You should check it and re-run "make palo".'; \
137 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
140 $(PALO) -f $(PALOCONF)
142 BOOT_TARGETS = zImage Image palo lifimage
143 INSTALL_TARGETS = zinstall install
145 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
147 # Default kernel to build
154 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
156 ifdef CONFIG_PARISC_SELF_EXTRACT
158 $(OBJCOPY) $(boot)/bzImage $@
165 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
166 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
168 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
169 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
171 CLEAN_FILES += lifimage
172 MRPROPER_FILES += palo.conf
175 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
176 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)'
177 @echo ' palo - Bootable image (./lifimage)'
178 @echo ' install - Install uncompressed vmlinux kernel using'
179 @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
180 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
181 @echo ' copy to $$(INSTALL_PATH)'
182 @echo ' zinstall - Install compressed vmlinuz kernel'
186 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all