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1deab8ce2c
Pull sparc updates from David Miller:
1) Add missing cmpxchg64() for 32-bit sparc.
2) Timer conversions from Allen Pais and Kees Cook.
3) vDSO support, from Nagarathnam Muthusamy.
4) Fix sparc64 huge page table walks based upon bug report by Al Viro,
from Nitin Gupta.
5) Optimized fls() for T4 and above, from Vijay Kumar.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix page table walk for PUD hugepages
sparc64: Convert timers to user timer_setup()
sparc64: convert mdesc_handle.refcnt from atomic_t to refcount_t
sparc/led: Convert timers to use timer_setup()
sparc64: Use sparc optimized fls and __fls for T4 and above
sparc64: SPARC optimized __fls function
sparc64: SPARC optimized fls function
sparc64: Define SPARC default __fls function
sparc64: Define SPARC default fls function
vDSO for sparc
sparc32: Add cmpxchg64().
sbus: char: Move D7S_MINOR to include/linux/miscdevice.h
sparc: time: Remove unneeded linux/miscdevice.h include
sparc64: mmu_context: Add missing include files
107 lines
2.8 KiB
Makefile
107 lines
2.8 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# sparc/Makefile
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#
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# Makefile for the architecture dependent flags and dependencies on the
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# Sparc and sparc64.
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#
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# Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
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# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
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# We are not yet configured - so test on arch
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ifeq ($(ARCH),sparc)
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KBUILD_DEFCONFIG := sparc32_defconfig
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else
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KBUILD_DEFCONFIG := sparc64_defconfig
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endif
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ifeq ($(CONFIG_SPARC32),y)
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#####
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# sparc32
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#
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CHECKFLAGS += -D__sparc__
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LDFLAGS := -m elf32_sparc
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export BITS := 32
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UTS_MACHINE := sparc
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# We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
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# versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
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# give -mcpu=v8. This silently worked with older bintutils versions but
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# does not any more.
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KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
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KBUILD_CFLAGS += -Wa,-Av8
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KBUILD_AFLAGS += -m32 -Wa,-Av8
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else
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#####
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# sparc64
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#
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CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
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LDFLAGS := -m elf64_sparc
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export BITS := 64
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UTS_MACHINE := sparc64
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KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
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KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
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KBUILD_CFLAGS += -Wa,--undeclared-regs
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KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
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KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
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ifeq ($(CONFIG_MCOUNT),y)
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KBUILD_CFLAGS += -pg
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endif
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endif
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head-y := arch/sparc/kernel/head_$(BITS).o
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# See arch/sparc/Kbuild for the core part of the kernel
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core-y += arch/sparc/
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libs-y += arch/sparc/prom/
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libs-y += arch/sparc/lib/
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drivers-$(CONFIG_PM) += arch/sparc/power/
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drivers-$(CONFIG_OPROFILE) += arch/sparc/oprofile/
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boot := arch/sparc/boot
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# Default target
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all: zImage
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image zImage uImage tftpboot.img vmlinux.aout: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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install:
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$(Q)$(MAKE) $(build)=$(boot) $@
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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PHONY += vdso_install
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vdso_install:
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$(Q)$(MAKE) $(build)=arch/sparc/vdso $@
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# This is the image used for packaging
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KBUILD_IMAGE := $(boot)/zImage
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# Don't use tabs in echo arguments.
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ifeq ($(ARCH),sparc)
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define archhelp
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echo '* image - kernel image ($(boot)/image)'
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echo '* zImage - stripped kernel image ($(boot)/zImage)'
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echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
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echo ' tftpboot.img - image prepared for tftp'
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endef
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else
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define archhelp
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echo '* vmlinux - standard sparc64 kernel'
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echo '* zImage - stripped and compressed sparc64 kernel ($(boot)/zImage)'
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echo ' vmlinux.aout - a.out kernel for sparc64'
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echo ' tftpboot.img - image prepared for tftp'
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endef
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endif
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