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_DEFCONFIG := default_defconfig 21 22NM = sh $(srctree)/arch/parisc/nm 23CHECKFLAGS += -D__hppa__=1 24LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 25 26MACHINE := $(shell uname -m) 27ifeq ($(MACHINE),parisc*) 28NATIVE := 1 29endif 30 31ifdef CONFIG_64BIT 32UTS_MACHINE := parisc64 33CHECKFLAGS += -D__LP64__=1 -m64 34WIDTH := 64 35else # 32-bit 36WIDTH := 37endif 38 39# attempt to help out folks who are cross-compiling 40ifeq ($(NATIVE),1) 41CROSS_COMPILE := hppa$(WIDTH)-linux- 42else 43 ifeq ($(CROSS_COMPILE),) 44 CROSS_COMPILE := hppa$(WIDTH)-linux-gnu- 45 endif 46endif 47 48OBJCOPY_FLAGS =-O binary -R .note -R .comment -S 49 50cflags-y := -pipe 51 52# These flags should be implied by an hppa-linux configuration, but they 53# are not in gcc 3.2. 54cflags-y += -mno-space-regs -mfast-indirect-calls 55 56# Currently we save and restore fpregs on all kernel entry/interruption paths. 57# If that gets optimized, we might need to disable the use of fpregs in the 58# kernel. 59cflags-y += -mdisable-fpregs 60 61# Without this, "ld -r" results in .text sections that are too big 62# (> 0x40000) for branches to reach stubs. 63ifndef CONFIG_FUNCTION_TRACER 64 cflags-y += -ffunction-sections 65endif 66 67# Use long jumps instead of long branches (needed if your linker fails to 68# link a too big vmlinux executable) 69cflags-$(CONFIG_MLONGCALLS) += -mlong-calls 70 71# select which processor to optimise for 72cflags-$(CONFIG_PA7100) += -march=1.1 -mschedule=7100 73cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200 74cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC 75cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300 76cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000 77 78head-y := arch/parisc/kernel/head.o 79 80KBUILD_CFLAGS += $(cflags-y) 81 82kernel-y := mm/ kernel/ math-emu/ 83kernel-$(CONFIG_HPUX) += hpux/ 84 85core-y += $(addprefix arch/parisc/, $(kernel-y)) 86libs-y += arch/parisc/lib/ $(LIBGCC) 87 88drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/ 89 90PALO := $(shell if (which palo 2>&1); then : ; \ 91 elif [ -x /sbin/palo ]; then echo /sbin/palo; \ 92 fi) 93 94PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \ 95 else echo $(obj)/palo.conf; \ 96 fi) 97 98palo: vmlinux 99 @if test ! -x "$(PALO)"; then \ 100 echo 'ERROR: Please install palo first (apt-get install palo)';\ 101 echo 'or build it from source and install it somewhere in your $$PATH';\ 102 false; \ 103 fi 104 @if test ! -f "$(PALOCONF)"; then \ 105 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \ 106 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \ 107 echo 'You should check it and re-run "make palo".'; \ 108 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \ 109 false; \ 110 fi 111 $(PALO) -f $(PALOCONF) 112 113# Shorthands for known targets not supported by parisc, use vmlinux as default 114Image zImage bzImage: vmlinux 115 116install: vmlinux 117 sh $(src)/arch/parisc/install.sh \ 118 $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)" 119 120CLEAN_FILES += lifimage 121MRPROPER_FILES += palo.conf 122 123define archhelp 124 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)' 125 @echo ' palo - Bootable image (./lifimage)' 126 @echo ' install - Install kernel using' 127 @echo ' (your) ~/bin/$(INSTALLKERNEL) or' 128 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 129 @echo ' copy to $$(INSTALL_PATH)' 130endef 131 132# we require gcc 3.3 or above to compile the kernel 133archprepare: checkbin 134checkbin: 135 @if test "$(call cc-version)" -lt "0303"; then \ 136 echo -n "Sorry, GCC v3.3 or above is required to build " ; \ 137 echo "the kernel." ; \ 138 false ; \ 139 fi 140