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