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 20KBUILD_IMAGE := vmlinuz 21 22NM = sh $(srctree)/arch/parisc/nm 23CHECKFLAGS += -D__hppa__=1 24LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 25export LIBGCC 26 27ifdef CONFIG_64BIT 28UTS_MACHINE := parisc64 29CHECKFLAGS += -D__LP64__=1 30CC_ARCHES = hppa64 31LD_BFD := elf64-hppa-linux 32else # 32-bit 33CC_ARCHES = hppa hppa2.0 hppa1.1 34LD_BFD := elf32-hppa-linux 35endif 36 37# select defconfig based on actual architecture 38ifeq ($(shell uname -m),parisc64) 39 KBUILD_DEFCONFIG := generic-64bit_defconfig 40else 41 KBUILD_DEFCONFIG := generic-32bit_defconfig 42endif 43 44export LD_BFD 45 46ifneq ($(SUBARCH),$(UTS_MACHINE)) 47 ifeq ($(CROSS_COMPILE),) 48 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu 49 CROSS_COMPILE := $(call cc-cross-prefix, \ 50 $(foreach a,$(CC_ARCHES), \ 51 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) 52 endif 53endif 54 55ifdef CONFIG_DYNAMIC_FTRACE 56ifdef CONFIG_64BIT 57NOP_COUNT := 8 58else 59NOP_COUNT := 5 60endif 61 62export CC_USING_RECORD_MCOUNT:=1 63export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1 64 65KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 66KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \ 67 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT) 68 69CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1))) 70endif 71 72OBJCOPY_FLAGS =-O binary -R .note -R .comment -S 73 74cflags-y := -pipe 75 76# These flags should be implied by an hppa-linux configuration, but they 77# are not in gcc 3.2. 78cflags-y += -mno-space-regs 79 80# -mfast-indirect-calls is only relevant for 32-bit kernels. 81ifndef CONFIG_64BIT 82cflags-y += -mfast-indirect-calls 83endif 84 85# Currently we save and restore fpregs on all kernel entry/interruption paths. 86# If that gets optimized, we might need to disable the use of fpregs in the 87# kernel. 88cflags-y += -mdisable-fpregs 89 90# Use long jumps instead of long branches (needed if your linker fails to 91# link a too big vmlinux executable). Not enabled for building modules. 92ifdef CONFIG_MLONGCALLS 93KBUILD_CFLAGS_KERNEL += -mlong-calls 94endif 95 96# Without this, "ld -r" results in .text sections that are too big (> 0x40000) 97# for branches to reach stubs. And multiple .text sections trigger a warning 98# when creating the sysfs module information section. 99ifndef CONFIG_64BIT 100KBUILD_CFLAGS_MODULE += -ffunction-sections 101endif 102 103# select which processor to optimise for 104cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100 105cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200 106cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC 107cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300 108cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000 109 110head-y := arch/parisc/kernel/head.o 111 112KBUILD_CFLAGS += $(cflags-y) 113 114kernel-y := mm/ kernel/ math-emu/ 115 116core-y += $(addprefix arch/parisc/, $(kernel-y)) 117libs-y += arch/parisc/lib/ $(LIBGCC) 118 119drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/ 120 121boot := arch/parisc/boot 122 123PALO := $(shell if (which palo 2>&1); then : ; \ 124 elif [ -x /sbin/palo ]; then echo /sbin/palo; \ 125 fi) 126 127PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \ 128 else echo $(objtree)/palo.conf; \ 129 fi) 130 131palo lifimage: vmlinuz 132 @if test ! -x "$(PALO)"; then \ 133 echo 'ERROR: Please install palo first (apt-get install palo)';\ 134 echo 'or build it from source and install it somewhere in your $$PATH';\ 135 false; \ 136 fi 137 @if test ! -f "$(PALOCONF)"; then \ 138 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \ 139 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \ 140 echo 'You should check it and re-run "make palo".'; \ 141 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \ 142 false; \ 143 fi 144 $(PALO) -f $(PALOCONF) 145 146BOOT_TARGETS = zImage Image palo lifimage 147INSTALL_TARGETS = zinstall install 148 149PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) 150 151# Default kernel to build 152all: bzImage 153 154zImage: vmlinuz 155Image: vmlinux 156 157bzImage: vmlinux 158 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 159 160ifdef CONFIG_PARISC_SELF_EXTRACT 161vmlinuz: bzImage 162 $(OBJCOPY) $(boot)/bzImage $@ 163else 164vmlinuz: vmlinux 165 @gzip -cf -9 $< > $@ 166endif 167 168install: 169 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ 170 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)" 171zinstall: 172 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ 173 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)" 174 175CLEAN_FILES += lifimage 176MRPROPER_FILES += palo.conf 177 178define archhelp 179 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)' 180 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)' 181 @echo ' palo - Bootable image (./lifimage)' 182 @echo ' install - Install uncompressed vmlinux kernel using' 183 @echo ' (your) ~/bin/$(INSTALLKERNEL) or' 184 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 185 @echo ' copy to $$(INSTALL_PATH)' 186 @echo ' zinstall - Install compressed vmlinuz kernel' 187endef 188 189archclean: 190 $(Q)$(MAKE) $(clean)=$(boot) 191 192archheaders: 193 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all 194