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