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 18boot := arch/parisc/boot 19KBUILD_IMAGE := $(boot)/bzImage 20 21NM = sh $(srctree)/arch/parisc/nm 22CHECKFLAGS += -D__hppa__=1 23 24ifdef CONFIG_64BIT 25UTS_MACHINE := parisc64 26CHECKFLAGS += -D__LP64__=1 27LD_BFD := elf64-hppa-linux 28else # 32-bit 29LD_BFD := elf32-hppa-linux 30endif 31 32# select defconfig based on actual architecture 33ifeq ($(ARCH),parisc64) 34 KBUILD_DEFCONFIG := generic-64bit_defconfig 35 CC_ARCHES := hppa64 36else 37 KBUILD_DEFCONFIG := generic-32bit_defconfig 38 CC_ARCHES := hppa hppa2.0 hppa1.1 39endif 40 41export LD_BFD 42 43# Set default 32 bits cross compilers for vdso 44CC_ARCHES_32 = hppa hppa2.0 hppa1.1 45CC_SUFFIXES = linux linux-gnu unknown-linux-gnu suse-linux 46CROSS32_COMPILE := $(call cc-cross-prefix, \ 47 $(foreach a,$(CC_ARCHES_32), \ 48 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) 49CROSS32CC := $(CROSS32_COMPILE)gcc 50export CROSS32CC 51 52# Set default cross compiler for kernel build 53ifdef cross_compiling 54 ifeq ($(CROSS_COMPILE),) 55 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu suse-linux 56 CROSS_COMPILE := $(call cc-cross-prefix, \ 57 $(foreach a,$(CC_ARCHES), \ 58 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) 59 endif 60endif 61 62ifdef CONFIG_DYNAMIC_FTRACE 63ifdef CONFIG_64BIT 64NOP_COUNT := 8 65else 66NOP_COUNT := 5 67endif 68 69export CC_USING_RECORD_MCOUNT:=1 70export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1 71 72KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 73KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \ 74 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT) 75 76CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1))) 77endif 78 79OBJCOPY_FLAGS =-O binary -R .note -R .comment -S 80 81cflags-y := -pipe 82 83# These flags should be implied by an hppa-linux configuration, but they 84# are not in gcc 3.2. 85cflags-y += -mno-space-regs 86 87# -mfast-indirect-calls is only relevant for 32-bit kernels. 88ifndef CONFIG_64BIT 89cflags-y += -mfast-indirect-calls 90endif 91 92# Currently we save and restore fpregs on all kernel entry/interruption paths. 93# If that gets optimized, we might need to disable the use of fpregs in the 94# kernel. 95cflags-y += -mdisable-fpregs 96 97# Use long jumps instead of long branches (needed if your linker fails to 98# link a too big vmlinux executable). Not enabled for building modules. 99ifdef CONFIG_MLONGCALLS 100KBUILD_CFLAGS_KERNEL += -mlong-calls 101endif 102 103# Without this, "ld -r" results in .text sections that are too big (> 0x40000) 104# for branches to reach stubs. And multiple .text sections trigger a warning 105# when creating the sysfs module information section. 106ifndef CONFIG_64BIT 107KBUILD_CFLAGS_MODULE += -ffunction-sections 108endif 109 110# select which processor to optimise for 111cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100 112cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200 113cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC 114cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300 115cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000 116 117head-y := arch/parisc/kernel/head.o 118 119KBUILD_CFLAGS += $(cflags-y) 120LIBGCC := $(shell $(CC) -print-libgcc-file-name) 121export LIBGCC 122 123libs-y += arch/parisc/lib/ $(LIBGCC) 124 125boot := arch/parisc/boot 126 127PALO := $(shell if (which palo 2>&1); then : ; \ 128 elif [ -x /sbin/palo ]; then echo /sbin/palo; \ 129 fi) 130 131PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \ 132 else echo $(objtree)/palo.conf; \ 133 fi) 134 135palo lifimage: vmlinuz 136 @if test ! -x "$(PALO)"; then \ 137 echo 'ERROR: Please install palo first (apt-get install palo)';\ 138 echo 'or build it from source and install it somewhere in your $$PATH';\ 139 false; \ 140 fi 141 @if test ! -f "$(PALOCONF)"; then \ 142 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \ 143 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \ 144 echo 'You should check it and re-run "make palo".'; \ 145 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \ 146 false; \ 147 fi 148 $(PALO) -f $(PALOCONF) 149 150BOOT_TARGETS = zImage Image palo lifimage 151INSTALL_TARGETS = zinstall install 152 153PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) 154 155# Default kernel to build 156all: bzImage 157 158zImage: vmlinuz 159Image: vmlinux 160 161bzImage: vmlinux 162 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 163 164vmlinuz: bzImage 165 $(OBJCOPY) $(boot)/bzImage $@ 166 167ifeq ($(KBUILD_EXTMOD),) 168# We need to generate vdso-offsets.h before compiling certain files in kernel/. 169# In order to do that, we should use the archprepare target, but we can't since 170# asm-offsets.h is included in some files used to generate vdso-offsets.h, and 171# asm-offsets.h is built in prepare0, for which archprepare is a dependency. 172# Therefore we need to generate the header after prepare0 has been made, hence 173# this hack. 174prepare: vdso_prepare 175vdso_prepare: prepare0 176 $(if $(CONFIG_64BIT),$(Q)$(MAKE) \ 177 $(build)=arch/parisc/kernel/vdso64 include/generated/vdso64-offsets.h) 178 $(Q)$(MAKE) $(build)=arch/parisc/kernel/vdso32 include/generated/vdso32-offsets.h 179endif 180 181PHONY += vdso_install 182 183vdso_install: 184 $(Q)$(MAKE) $(build)=arch/parisc/kernel/vdso $@ 185 $(if $(CONFIG_COMPAT_VDSO), \ 186 $(Q)$(MAKE) $(build)=arch/parisc/kernel/vdso32 $@) 187install: 188 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ 189 $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)" 190zinstall: 191 $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ 192 $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)" 193 194CLEAN_FILES += lifimage 195MRPROPER_FILES += palo.conf 196 197define archhelp 198 @echo '* vmlinux - Uncompressed kernel image (./vmlinux)' 199 @echo ' vmlinuz - Compressed kernel image (./vmlinuz)' 200 @echo ' palo - Bootable image (./lifimage)' 201 @echo ' install - Install uncompressed vmlinux kernel using' 202 @echo ' (your) ~/bin/$(INSTALLKERNEL) or' 203 @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 204 @echo ' copy to $$(INSTALL_PATH)' 205 @echo ' zinstall - Install compressed vmlinuz kernel' 206endef 207 208archheaders: 209 $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all 210