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