diff options
Diffstat (limited to 'arch/parisc/Makefile')
| -rw-r--r-- | arch/parisc/Makefile | 164 |
1 files changed, 113 insertions, 51 deletions
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index e02f665f804a..48ae3c79557a 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -2,9 +2,7 @@ # parisc/Makefile # # This file is included by the global makefile so that you can add your own -# architecture-specific flags and dependencies. Remember to do have actions -# for "archclean" and "archdep" for cleaning up and making dependencies for -# this architecture +# architecture-specific flags and dependencies. # # This file is subject to the terms and conditions of the GNU General Public # License. See the file "COPYING" in the main directory of this archive @@ -13,33 +11,70 @@ # Copyright (C) 1994 by Linus Torvalds # Portions Copyright (C) 1999 The Puffin Group # -# Modified for PA-RISC Linux by Paul Lahaie, Alex deVries, +# Modified for PA-RISC Linux by Paul Lahaie, Alex deVries, # Mike Shaver, Helge Deller and Martin K. Petersen # -KBUILD_IMAGE := vmlinuz +boot := arch/parisc/boot +KBUILD_IMAGE := $(boot)/bzImage -KBUILD_DEFCONFIG := default_defconfig - -NM = sh $(srctree)/arch/parisc/nm CHECKFLAGS += -D__hppa__=1 -LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) ifdef CONFIG_64BIT UTS_MACHINE := parisc64 -CHECKFLAGS += -D__LP64__=1 -m64 -CC_ARCHES = hppa64 +CHECKFLAGS += -D__LP64__=1 +LD_BFD := elf64-hppa-linux else # 32-bit -CC_ARCHES = hppa hppa2.0 hppa1.1 +LD_BFD := elf32-hppa-linux +endif + +# select defconfig based on actual architecture +ifeq ($(ARCH),parisc64) + KBUILD_DEFCONFIG := generic-64bit_defconfig + CC_ARCHES := hppa64 +else + KBUILD_DEFCONFIG := generic-32bit_defconfig + CC_ARCHES := hppa hppa2.0 hppa1.1 endif -ifneq ($(SUBARCH),$(UTS_MACHINE)) - ifeq ($(CROSS_COMPILE),) - CC_SUFFIXES = linux linux-gnu unknown-linux-gnu +export LD_BFD + +# Set default 32 bits cross compilers for vdso. +# This means that for 64BIT, both the 64-bit tools and the 32-bit tools +# need to be in the path. +CC_ARCHES_32 = hppa hppa2.0 hppa1.1 +CC_SUFFIXES = linux linux-gnu unknown-linux-gnu suse-linux +CROSS32_COMPILE := $(call cc-cross-prefix, \ + $(foreach a,$(CC_ARCHES_32), \ + $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) +CROSS32CC := $(CROSS32_COMPILE)gcc +export CROSS32CC + +# Set default cross compiler for kernel build +ifdef cross_compiling + ifeq ($(CROSS_COMPILE),) + CC_SUFFIXES = linux linux-gnu unknown-linux-gnu suse-linux CROSS_COMPILE := $(call cc-cross-prefix, \ $(foreach a,$(CC_ARCHES), \ $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) - endif + endif +endif + +ifdef CONFIG_DYNAMIC_FTRACE +ifdef CONFIG_64BIT +NOP_COUNT := 8 +else +NOP_COUNT := 5 +endif + +export CC_USING_RECORD_MCOUNT:=1 +export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1 + +KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 +KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \ + -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT) + +CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1))) endif OBJCOPY_FLAGS =-O binary -R .note -R .comment -S @@ -48,25 +83,31 @@ cflags-y := -pipe # These flags should be implied by an hppa-linux configuration, but they # are not in gcc 3.2. -cflags-y += -mno-space-regs -mfast-indirect-calls +cflags-y += -mno-space-regs + +# -mfast-indirect-calls is only relevant for 32-bit kernels. +ifndef CONFIG_64BIT +cflags-y += -mfast-indirect-calls +endif # Currently we save and restore fpregs on all kernel entry/interruption paths. # If that gets optimized, we might need to disable the use of fpregs in the # kernel. cflags-y += -mdisable-fpregs -# Without this, "ld -r" results in .text sections that are too big -# (> 0x40000) for branches to reach stubs. -ifndef CONFIG_FUNCTION_TRACER - cflags-y += -ffunction-sections -endif - # Use long jumps instead of long branches (needed if your linker fails to # link a too big vmlinux executable). Not enabled for building modules. ifdef CONFIG_MLONGCALLS KBUILD_CFLAGS_KERNEL += -mlong-calls endif +# Without this, "ld -r" results in .text sections that are too big (> 0x40000) +# for branches to reach stubs. And multiple .text sections trigger a warning +# when creating the sysfs module information section. +ifndef CONFIG_64BIT +KBUILD_CFLAGS_MODULE += -ffunction-sections +endif + # select which processor to optimise for cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100 cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200 @@ -74,51 +115,77 @@ cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300 cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000 -head-y := arch/parisc/kernel/head.o - KBUILD_CFLAGS += $(cflags-y) +LIBGCC := $(shell $(CC) -print-libgcc-file-name) +export LIBGCC -kernel-y := mm/ kernel/ math-emu/ -kernel-$(CONFIG_HPUX) += hpux/ - -core-y += $(addprefix arch/parisc/, $(kernel-y)) libs-y += arch/parisc/lib/ $(LIBGCC) -drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/ +drivers-$(CONFIG_VIDEO) += arch/parisc/video/ + +boot := arch/parisc/boot PALO := $(shell if (which palo 2>&1); then : ; \ elif [ -x /sbin/palo ]; then echo /sbin/palo; \ fi) -PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \ - else echo $(obj)/palo.conf; \ +PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \ + else echo $(objtree)/palo.conf; \ fi) -palo: vmlinuz +palo lifimage: vmlinuz @if test ! -x "$(PALO)"; then \ echo 'ERROR: Please install palo first (apt-get install palo)';\ echo 'or build it from source and install it somewhere in your $$PATH';\ false; \ fi @if test ! -f "$(PALOCONF)"; then \ - cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \ - echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \ + cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \ + echo 'A generic palo config file ($(objtree)/palo.conf) has been created for you.'; \ echo 'You should check it and re-run "make palo".'; \ echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \ false; \ fi $(PALO) -f $(PALOCONF) -# Shorthands for known targets not supported by parisc, use vmlinux/vmlinuz as default +BOOT_TARGETS = zImage Image palo lifimage +INSTALL_TARGETS = zinstall install + +PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) + +# Default kernel to build +all: bzImage + +zImage: vmlinuz Image: vmlinux -zImage bzImage: vmlinuz -vmlinuz: vmlinux - @gzip -cf -9 $< > $@ +bzImage: vmlinux + $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ + +vmlinuz: bzImage + $(OBJCOPY) $(boot)/bzImage $@ + +ifeq ($(KBUILD_EXTMOD),) +# We need to generate vdso-offsets.h before compiling certain files in kernel/. +# In order to do that, we should use the archprepare target, but we can't since +# asm-offsets.h is included in some files used to generate vdso-offsets.h, and +# asm-offsets.h is built in prepare0, for which archprepare is a dependency. +# Therefore we need to generate the header after prepare0 has been made, hence +# this hack. +prepare: vdso_prepare +vdso_prepare: prepare0 + $(if $(CONFIG_64BIT),$(Q)$(MAKE) \ + $(build)=arch/parisc/kernel/vdso64 include/generated/vdso64-offsets.h) + $(Q)$(MAKE) $(build)=arch/parisc/kernel/vdso32 include/generated/vdso32-offsets.h +endif + +vdso-install-y += arch/parisc/kernel/vdso32/vdso32.so +vdso-install-$(CONFIG_64BIT) += arch/parisc/kernel/vdso64/vdso64.so -install: vmlinuz - sh $(src)/arch/parisc/install.sh \ - $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)" +install: KBUILD_IMAGE := vmlinux +zinstall: KBUILD_IMAGE := vmlinuz +install zinstall: + $(call cmd,install) CLEAN_FILES += lifimage MRPROPER_FILES += palo.conf @@ -127,17 +194,12 @@ define archhelp @echo '* vmlinux - Uncompressed kernel image (./vmlinux)' @echo ' vmlinuz - Compressed kernel image (./vmlinuz)' @echo ' palo - Bootable image (./lifimage)' - @echo ' install - Install kernel using' + @echo ' install - Install uncompressed vmlinux kernel using' @echo ' (your) ~/bin/$(INSTALLKERNEL) or' @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' @echo ' copy to $$(INSTALL_PATH)' + @echo ' zinstall - Install compressed vmlinuz kernel' endef -# we require gcc 3.3 or above to compile the kernel -archprepare: checkbin -checkbin: - @if test "$(call cc-version)" -lt "0303"; then \ - echo -n "Sorry, GCC v3.3 or above is required to build " ; \ - echo "the kernel." ; \ - false ; \ - fi +archheaders: + $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all |