1# 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# 19 20ifdef CONFIG_PARISC_SELF_EXTRACT 21boot := arch/parisc/boot 22KBUILD_IMAGE := $(boot)/bzImage 23else 24KBUILD_IMAGE := vmlinuz 25endif 26 27NM = sh $(srctree)/arch/parisc/nm 28CHECKFLAGS += -D__hppa__=1 29 30ifdef CONFIG_64BIT 31UTS_MACHINE := parisc64 32CHECKFLAGS += -D__LP64__=1 33CC_ARCHES = hppa64 34LD_BFD := elf64-hppa-linux 35else # 32-bit 36CC_ARCHES = hppa hppa2.0 hppa1.1 37LD_BFD := elf32-hppa-linux 38endif 39 40# select defconfig based on actual architecture 41ifeq ($(shell uname -m),parisc64) 42 KBUILD_DEFCONFIG := generic-64bit_defconfig 43else 44 KBUILD_DEFCONFIG := generic-32bit_defconfig 45endif 46 47export LD_BFD 48 49ifneq ($(SUBARCH),$(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)-))) 55 endif 56endif 57 58ifdef CONFIG_DYNAMIC_FTRACE 59ifdef CONFIG_64BIT 60NOP_COUNT := 8 61else 62NOP_COUNT := 5 63endif 64 65export CC_USING_RECORD_MCOUNT:=1 66export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1 67 68KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 69KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \ 70 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT) 71 72CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1))) 73endif 74 75OBJCOPY_FLAGS =-O binary -R .note -R .comment -S 76 77cflags-y := -pipe 78 79# These flags should be implied by an hppa-linux configuration, but they 80# are not in gcc 3.2. 81cflags-y += -mno-space-regs 82 83# -mfast-indirect-calls is only relevant for 32-bit kernels. 84ifndef CONFIG_64BIT 85cflags-y += -mfast-indirect-calls 86endif 87 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 90# kernel. 91cflags-y += -mdisable-fpregs 92 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. 95ifdef CONFIG_MLONGCALLS 96KBUILD_CFLAGS_KERNEL += -mlong-calls 97endif 98 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. 102ifndef CONFIG_64BIT 103KBUILD_CFLAGS_MODULE += -ffunction-sections 104endif 105 106# select which processor to optimise for 107cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100 108cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200 109cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC 110cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300 111cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000 112 113head-y := arch/parisc/kernel/head.o 114 115KBUILD_CFLAGS += $(cflags-y) 116LIBGCC := $(shell $(CC) -print-libgcc-file-name) 117export LIBGCC 118 119kernel-y := mm/ kernel/ math-emu/ 120 121core-y += $(addprefix arch/parisc/, $(kernel-y)) 122libs-y += arch/parisc/lib/ $(LIBGCC) 123 124drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/ 125 126boot := arch/parisc/boot 127 128PALO := $(shell if (which palo 2>&1); then : ; \ 129 elif [ -x /sbin/palo ]; then echo /sbin/palo; \ 130 fi) 131 132PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \ 133 else echo $(objtree)/palo.conf; \ 134 fi) 135 136palo 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';\ 140 false; \ 141 fi 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!'; \ 147 false; \ 148 fi 149 $(PALO) -f $(PALOCONF) 150 151BOOT_TARGETS = zImage Image palo lifimage 152INSTALL_TARGETS = zinstall install 153 154PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) 155 156# Default kernel to build 157all: bzImage 158 159zImage: vmlinuz 160Image: vmlinux 161 162bzImage: vmlinux 163 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 164 165ifdef CONFIG_PARISC_SELF_EXTRACT 166vmlinuz: bzImage 167 $(OBJCOPY) $(boot)/bzImage $@ 168else 169vmlinuz: vmlinux 170 @$(KGZIP) -cf -9 $< > $@ 171endif 172 173install: 174 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ 175 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)" 176zinstall: 177 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ 178 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)" 179 180CLEAN_FILES += lifimage 181MRPROPER_FILES += palo.conf 182 183define archhelp 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' 192endef 193 194archclean: 195 $(Q)$(MAKE) $(clean)=$(boot) 196 197archheaders: 198 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all 199