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 22KBUILD_DEFCONFIG := default_defconfig 23 24NM = sh $(srctree)/arch/parisc/nm 25CHECKFLAGS += -D__hppa__=1 26LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 27 28ifdef CONFIG_64BIT 29UTS_MACHINE := parisc64 30CHECKFLAGS += -D__LP64__=1 -m64 31CC_ARCHES = hppa64 32else # 32-bit 33CC_ARCHES = hppa hppa2.0 hppa1.1 34endif 35 36ifneq ($(SUBARCH),$(UTS_MACHINE)) 37 ifeq ($(CROSS_COMPILE),) 38 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu 39 CROSS_COMPILE := $(call cc-cross-prefix, \ 40 $(foreach a,$(CC_ARCHES), \ 41 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) 42 endif 43endif 44 45OBJCOPY_FLAGS =-O binary -R .note -R .comment -S 46 47cflags-y := -pipe 48 49# These flags should be implied by an hppa-linux configuration, but they 50# are not in gcc 3.2. 51cflags-y += -mno-space-regs -mfast-indirect-calls 52 53# Currently we save and restore fpregs on all kernel entry/interruption paths. 54# If that gets optimized, we might need to disable the use of fpregs in the 55# kernel. 56cflags-y += -mdisable-fpregs 57 58# Without this, "ld -r" results in .text sections that are too big 59# (> 0x40000) for branches to reach stubs. 60ifndef CONFIG_FUNCTION_TRACER 61 cflags-y += -ffunction-sections 62endif 63 64# Use long jumps instead of long branches (needed if your linker fails to 65# link a too big vmlinux executable). Not enabled for building modules. 66ifdef CONFIG_MLONGCALLS 67KBUILD_CFLAGS_KERNEL += -mlong-calls 68endif 69 70# select which processor to optimise for 71cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100 72cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200 73cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC 74cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300 75cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000 76 77head-y := arch/parisc/kernel/head.o 78 79KBUILD_CFLAGS += $(cflags-y) 80 81kernel-y := mm/ kernel/ math-emu/ 82kernel-$(CONFIG_HPUX) += hpux/ 83 84core-y += $(addprefix arch/parisc/, $(kernel-y)) 85libs-y += arch/parisc/lib/ $(LIBGCC) 86 87drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/ 88 89PALO := $(shell if (which palo 2>&1); then : ; \ 90 elif [ -x /sbin/palo ]; then echo /sbin/palo; \ 91 fi) 92 93PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \ 94 else echo $(obj)/palo.conf; \ 95 fi) 96 97palo: vmlinuz 98 @if test ! -x "$(PALO)"; then \ 99 echo 'ERROR: Please install palo first (apt-get install palo)';\ 100 echo 'or build it from source and install it somewhere in your $$PATH';\ 101 false; \ 102 fi 103 @if test ! -f "$(PALOCONF)"; then \ 104 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \ 105 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \ 106 echo 'You should check it and re-run "make palo".'; \ 107 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \ 108 false; \ 109 fi 110 $(PALO) -f $(PALOCONF) 111 112# Shorthands for known targets not supported by parisc, use vmlinux/vmlinuz as default 113Image: vmlinux 114zImage bzImage: vmlinuz 115 116vmlinuz: vmlinux 117 @gzip -cf -9 $< > $@ 118 119install: vmlinuz 120 sh $(src)/arch/parisc/install.sh \ 121 $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)" 122 123CLEAN_FILES += lifimage 124MRPROPER_FILES += palo.conf 125 126define archhelp 127 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)' 128 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)' 129 @echo ' palo - Bootable image (./lifimage)' 130 @echo ' install - Install kernel using' 131 @echo ' (your) ~/bin/$(INSTALLKERNEL) or' 132 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 133 @echo ' copy to $$(INSTALL_PATH)' 134endef 135 136# we require gcc 3.3 or above to compile the kernel 137archprepare: checkbin 138checkbin: 139 @if test "$(call cc-version)" -lt "0303"; then \ 140 echo -n "Sorry, GCC v3.3 or above is required to build " ; \ 141 echo "the kernel." ; \ 142 false ; \ 143 fi 144