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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# parisc/Makefile
3#
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
7# this architecture
8#
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
11# for more details.
12#
13# Copyright (C) 1994 by Linus Torvalds
14# Portions Copyright (C) 1999 The Puffin Group
15#
16# Modified for PA-RISC Linux by Paul Lahaie, Alex deVries,
17# Mike Shaver, Helge Deller and Martin K. Petersen
18#
Adrian Bunkc04f7ae2008-02-26 21:55:17 +020019
Helge Deller594174d2013-06-29 13:31:24 +020020KBUILD_IMAGE := vmlinuz
21
Linus Torvalds1da177e2005-04-16 15:20:36 -070022NM = sh $(srctree)/arch/parisc/nm
Luc Van Oostenryck145167652018-05-28 20:27:35 +020023CHECKFLAGS += -D__hppa__=1
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
25ifdef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070026UTS_MACHINE := parisc64
Luc Van Oostenryck1f2f01b2018-05-30 22:48:38 +020027CHECKFLAGS += -D__LP64__=1
Helge Dellerb6adc162017-08-20 10:52:22 +020028LD_BFD := elf64-hppa-linux
Kyle McMartin991b7d62007-10-18 13:54:51 -070029else # 32-bit
Helge Dellerb6adc162017-08-20 10:52:22 +020030LD_BFD := elf32-hppa-linux
Linus Torvalds1da177e2005-04-16 15:20:36 -070031endif
32
Helge Dellerededa082020-03-26 23:31:43 +010033# select defconfig based on actual architecture
Masahiro Yamada5f6e0fe02021-06-10 11:03:31 +090034ifeq ($(ARCH),parisc64)
Helge Dellerededa082020-03-26 23:31:43 +010035 KBUILD_DEFCONFIG := generic-64bit_defconfig
Masahiro Yamada5f6e0fe02021-06-10 11:03:31 +090036 CC_ARCHES := hppa64
Helge Dellerededa082020-03-26 23:31:43 +010037else
38 KBUILD_DEFCONFIG := generic-32bit_defconfig
Masahiro Yamada5f6e0fe02021-06-10 11:03:31 +090039 CC_ARCHES := hppa hppa2.0 hppa1.1
Helge Dellerededa082020-03-26 23:31:43 +010040endif
41
Helge Dellerb6adc162017-08-20 10:52:22 +020042export LD_BFD
43
Masahiro Yamada23243c12021-05-02 02:24:36 +090044ifdef cross_compiling
Helge Deller6880b012013-05-11 19:04:09 +000045 ifeq ($(CROSS_COMPILE),)
46 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
47 CROSS_COMPILE := $(call cc-cross-prefix, \
48 $(foreach a,$(CC_ARCHES), \
49 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
50 endif
Kyle McMartin991b7d62007-10-18 13:54:51 -070051endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Sven Schnelle6ca63662019-06-05 22:32:22 +020053ifdef CONFIG_DYNAMIC_FTRACE
54ifdef CONFIG_64BIT
55NOP_COUNT := 8
56else
57NOP_COUNT := 5
58endif
59
60export CC_USING_RECORD_MCOUNT:=1
61export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1
62
63KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1
64KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
65 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)
66
67CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
Sven Schnelle6ca63662019-06-05 22:32:22 +020068endif
69
Linus Torvalds1da177e2005-04-16 15:20:36 -070070OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
71
72cflags-y := -pipe
73
74# These flags should be implied by an hppa-linux configuration, but they
75# are not in gcc 3.2.
John David Anglind26a7732014-09-22 20:54:50 -040076cflags-y += -mno-space-regs
77
78# -mfast-indirect-calls is only relevant for 32-bit kernels.
79ifndef CONFIG_64BIT
80cflags-y += -mfast-indirect-calls
81endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070082
83# Currently we save and restore fpregs on all kernel entry/interruption paths.
84# If that gets optimized, we might need to disable the use of fpregs in the
85# kernel.
Randolph Chungfa681a12005-10-21 22:48:34 -040086cflags-y += -mdisable-fpregs
Linus Torvalds1da177e2005-04-16 15:20:36 -070087
Helge Dellerec758f92013-01-31 21:44:28 +000088# Use long jumps instead of long branches (needed if your linker fails to
Helge Dellercf711302013-04-23 21:29:03 +020089# link a too big vmlinux executable). Not enabled for building modules.
90ifdef CONFIG_MLONGCALLS
91KBUILD_CFLAGS_KERNEL += -mlong-calls
92endif
Helge Dellerec758f92013-01-31 21:44:28 +000093
Helge Deller1e8249b2018-11-29 17:05:47 +010094# Without this, "ld -r" results in .text sections that are too big (> 0x40000)
95# for branches to reach stubs. And multiple .text sections trigger a warning
96# when creating the sysfs module information section.
97ifndef CONFIG_64BIT
98KBUILD_CFLAGS_MODULE += -ffunction-sections
99endif
100
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101# select which processor to optimise for
Paul Bolle76603902013-05-29 09:56:58 +0000102cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
104cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
105cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
106cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
107
108head-y := arch/parisc/kernel/head.o
109
Sam Ravnborga0f97e02007-10-14 22:21:35 +0200110KBUILD_CFLAGS += $(cflags-y)
Helge Deller0d341e02020-05-10 22:43:33 +0200111LIBGCC := $(shell $(CC) -print-libgcc-file-name)
112export LIBGCC
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113
James Bottomley4c01acc2012-06-05 13:54:09 +0900114libs-y += arch/parisc/lib/ $(LIBGCC)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115
Helge Dellerb6adc162017-08-20 10:52:22 +0200116boot := arch/parisc/boot
117
Kyle McMartin6525ee52008-12-08 09:43:08 +0000118PALO := $(shell if (which palo 2>&1); then : ; \
Kyle McMartin5feb4f32007-10-18 15:09:59 -0700119 elif [ -x /sbin/palo ]; then echo /sbin/palo; \
120 fi)
121
Masahiro Yamada75dd4742019-07-06 12:07:11 +0900122PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
123 else echo $(objtree)/palo.conf; \
Kyle McMartinf67d4032007-10-20 09:31:33 -0700124 fi)
125
Helge Dellerb0756b52013-10-18 21:18:46 +0200126palo lifimage: vmlinuz
Kyle McMartinf67d4032007-10-20 09:31:33 -0700127 @if test ! -x "$(PALO)"; then \
Kyle McMartin5feb4f32007-10-18 15:09:59 -0700128 echo 'ERROR: Please install palo first (apt-get install palo)';\
129 echo 'or build it from source and install it somewhere in your $$PATH';\
130 false; \
131 fi
Kyle McMartinf67d4032007-10-20 09:31:33 -0700132 @if test ! -f "$(PALOCONF)"; then \
Masahiro Yamada75dd4742019-07-06 12:07:11 +0900133 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
134 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
Kyle McMartin5feb4f32007-10-18 15:09:59 -0700135 echo 'You should check it and re-run "make palo".'; \
136 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
137 false; \
138 fi
Kyle McMartinf67d4032007-10-20 09:31:33 -0700139 $(PALO) -f $(PALOCONF)
Kyle McMartin5feb4f32007-10-18 15:09:59 -0700140
Helge Dellerb0756b52013-10-18 21:18:46 +0200141BOOT_TARGETS = zImage Image palo lifimage
142INSTALL_TARGETS = zinstall install
143
144PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
145
Helge Deller89e050c2018-04-18 07:49:19 +0200146# Default kernel to build
147all: bzImage
148
Helge Dellerb6adc162017-08-20 10:52:22 +0200149zImage: vmlinuz
Helge Deller594174d2013-06-29 13:31:24 +0200150Image: vmlinux
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151
Helge Dellerb6adc162017-08-20 10:52:22 +0200152bzImage: vmlinux
153 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
154
Helge Delleraf21b012017-09-22 22:24:02 +0200155ifdef CONFIG_PARISC_SELF_EXTRACT
Helge Dellerb6adc162017-08-20 10:52:22 +0200156vmlinuz: bzImage
157 $(OBJCOPY) $(boot)/bzImage $@
Helge Delleraf21b012017-09-22 22:24:02 +0200158else
159vmlinuz: vmlinux
Denis Efremove4a42c82020-06-08 12:59:44 +0300160 @$(KGZIP) -cf -9 $< > $@
Helge Delleraf21b012017-09-22 22:24:02 +0200161endif
Helge Deller594174d2013-06-29 13:31:24 +0200162
Helge Dellerb0756b52013-10-18 21:18:46 +0200163install:
Masahiro Yamada75dd4742019-07-06 12:07:11 +0900164 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
Helge Dellerb0756b52013-10-18 21:18:46 +0200165 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
166zinstall:
Masahiro Yamada75dd4742019-07-06 12:07:11 +0900167 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
Helge Dellerb0756b52013-10-18 21:18:46 +0200168 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169
Sam Ravnborg0013a852005-09-09 20:57:26 +0200170CLEAN_FILES += lifimage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171MRPROPER_FILES += palo.conf
172
173define archhelp
174 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
Helge Deller594174d2013-06-29 13:31:24 +0200175 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)'
Kyle McMartin5feb4f32007-10-18 15:09:59 -0700176 @echo ' palo - Bootable image (./lifimage)'
Helge Dellerb0756b52013-10-18 21:18:46 +0200177 @echo ' install - Install uncompressed vmlinux kernel using'
Sam Ravnborgcaa27b62009-07-20 21:37:11 +0200178 @echo ' (your) ~/bin/$(INSTALLKERNEL) or'
179 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180 @echo ' copy to $$(INSTALL_PATH)'
Helge Dellerb0756b52013-10-18 21:18:46 +0200181 @echo ' zinstall - Install compressed vmlinuz kernel'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182endef
Firoz Khan575afc42018-11-19 12:04:36 +0530183
James Bottomleyf2c5ed02019-08-01 13:47:03 +0200184archclean:
185 $(Q)$(MAKE) $(clean)=$(boot)
186
Firoz Khan575afc42018-11-19 12:04:36 +0530187archheaders:
188 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all