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