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. 6# 7# This file is subject to the terms and conditions of the GNU General Public 8# License. See the file "COPYING" in the main directory of this archive 9# for more details. 10# 11# Copyright (C) 1994 by Linus Torvalds 12# Portions Copyright (C) 1999 The Puffin Group 13# 14# Modified for PA-RISC Linux by Paul Lahaie, Alex deVries, 15# Mike Shaver, Helge Deller and Martin K. Petersen 16# 17 18ifdef CONFIG_PARISC_SELF_EXTRACT 19boot := arch/parisc/boot 20KBUILD_IMAGE := $(boot)/bzImage 21else 22KBUILD_IMAGE := vmlinuz 23endif 24 25NM = sh $(srctree)/arch/parisc/nm 26CHECKFLAGS += -D__hppa__=1 27 28ifdef CONFIG_64BIT 29UTS_MACHINE := parisc64 30CHECKFLAGS += -D__LP64__=1 31LD_BFD := elf64-hppa-linux 32else # 32-bit 33LD_BFD := elf32-hppa-linux 34endif 35 36# select defconfig based on actual architecture 37ifeq ($(ARCH),parisc64) 38 KBUILD_DEFCONFIG := generic-64bit_defconfig 39 CC_ARCHES := hppa64 40else 41 KBUILD_DEFCONFIG := generic-32bit_defconfig 42 CC_ARCHES := hppa hppa2.0 hppa1.1 43endif 44 45export LD_BFD 46 47ifdef cross_compiling 48 ifeq ($(CROSS_COMPILE),) 49 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu 50 CROSS_COMPILE := $(call cc-cross-prefix, \ 51 $(foreach a,$(CC_ARCHES), \ 52 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) 53 endif 54endif 55 56ifdef CONFIG_DYNAMIC_FTRACE 57ifdef CONFIG_64BIT 58NOP_COUNT := 8 59else 60NOP_COUNT := 5 61endif 62 63export CC_USING_RECORD_MCOUNT:=1 64export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1 65 66KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 67KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \ 68 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT) 69 70CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1))) 71endif 72 73OBJCOPY_FLAGS =-O binary -R .note -R .comment -S 74 75cflags-y := -pipe 76 77# These flags should be implied by an hppa-linux configuration, but they 78# are not in gcc 3.2. 79cflags-y += -mno-space-regs 80 81# -mfast-indirect-calls is only relevant for 32-bit kernels. 82ifndef CONFIG_64BIT 83cflags-y += -mfast-indirect-calls 84endif 85 86# Currently we save and restore fpregs on all kernel entry/interruption paths. 87# If that gets optimized, we might need to disable the use of fpregs in the 88# kernel. 89cflags-y += -mdisable-fpregs 90 91# Use long jumps instead of long branches (needed if your linker fails to 92# link a too big vmlinux executable). Not enabled for building modules. 93ifdef CONFIG_MLONGCALLS 94KBUILD_CFLAGS_KERNEL += -mlong-calls 95endif 96 97# Without this, "ld -r" results in .text sections that are too big (> 0x40000) 98# for branches to reach stubs. And multiple .text sections trigger a warning 99# when creating the sysfs module information section. 100ifndef CONFIG_64BIT 101KBUILD_CFLAGS_MODULE += -ffunction-sections 102endif 103 104# select which processor to optimise for 105cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100 106cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200 107cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC 108cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300 109cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000 110 111head-y := arch/parisc/kernel/head.o 112 113KBUILD_CFLAGS += $(cflags-y) 114LIBGCC := $(shell $(CC) -print-libgcc-file-name) 115export LIBGCC 116 117libs-y += arch/parisc/lib/ $(LIBGCC) 118 119boot := arch/parisc/boot 120 121PALO := $(shell if (which palo 2>&1); then : ; \ 122 elif [ -x /sbin/palo ]; then echo /sbin/palo; \ 123 fi) 124 125PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \ 126 else echo $(objtree)/palo.conf; \ 127 fi) 128 129palo lifimage: vmlinuz 130 @if test ! -x "$(PALO)"; then \ 131 echo 'ERROR: Please install palo first (apt-get install palo)';\ 132 echo 'or build it from source and install it somewhere in your $$PATH';\ 133 false; \ 134 fi 135 @if test ! -f "$(PALOCONF)"; then \ 136 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \ 137 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \ 138 echo 'You should check it and re-run "make palo".'; \ 139 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \ 140 false; \ 141 fi 142 $(PALO) -f $(PALOCONF) 143 144BOOT_TARGETS = zImage Image palo lifimage 145INSTALL_TARGETS = zinstall install 146 147PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) 148 149# Default kernel to build 150all: bzImage 151 152zImage: vmlinuz 153Image: vmlinux 154 155bzImage: vmlinux 156 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 157 158ifdef CONFIG_PARISC_SELF_EXTRACT 159vmlinuz: bzImage 160 $(OBJCOPY) $(boot)/bzImage $@ 161else 162vmlinuz: vmlinux 163 @$(KGZIP) -cf -9 $< > $@ 164endif 165 166install: 167 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ 168 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)" 169zinstall: 170 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ 171 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)" 172 173CLEAN_FILES += lifimage 174MRPROPER_FILES += palo.conf 175 176define archhelp 177 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)' 178 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)' 179 @echo ' palo - Bootable image (./lifimage)' 180 @echo ' install - Install uncompressed vmlinux kernel using' 181 @echo ' (your) ~/bin/$(INSTALLKERNEL) or' 182 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 183 @echo ' copy to $$(INSTALL_PATH)' 184 @echo ' zinstall - Install compressed vmlinuz kernel' 185endef 186 187archheaders: 188 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all 189