1 # SPDX-License-Identifier: GPL-2.0
5 # Makefile for the architecture dependent flags and dependencies on the
8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
11 # We are not yet configured - so test on arch
12 ifeq ($(ARCH),sparc64)
13 KBUILD_DEFCONFIG := sparc64_defconfig
15 KBUILD_DEFCONFIG := sparc32_defconfig
18 ifeq ($(CONFIG_SPARC32),y)
23 CHECKFLAGS += -D__sparc__
24 KBUILD_LDFLAGS := -m elf32_sparc
28 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
29 # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
30 # give -mcpu=v8. This silently worked with older bintutils versions but
32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
33 KBUILD_CFLAGS += -Wa,-Av8
35 KBUILD_AFLAGS += -m32 -Wa,-Av8
42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__
43 KBUILD_LDFLAGS := -m elf64_sparc
45 UTS_MACHINE := sparc64
47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
49 KBUILD_CFLAGS += -Wa,--undeclared-regs
50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
53 ifeq ($(CONFIG_MCOUNT),y)
59 head-y := arch/sparc/kernel/head_$(BITS).o
61 libs-y += arch/sparc/prom/
62 libs-y += arch/sparc/lib/
64 drivers-$(CONFIG_PM) += arch/sparc/power/
66 boot := arch/sparc/boot
71 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
75 $(Q)$(MAKE) $(build)=$(boot) $@
78 $(Q)$(MAKE) $(clean)=$(boot)
81 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
85 $(Q)$(MAKE) $(build)=arch/sparc/vdso $@
87 # This is the image used for packaging
88 KBUILD_IMAGE := $(boot)/zImage
90 # Don't use tabs in echo arguments.
93 echo '* image - kernel image ($(boot)/image)'
94 echo '* zImage - stripped kernel image ($(boot)/zImage)'
95 echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
96 echo ' tftpboot.img - image prepared for tftp'
100 echo '* vmlinux - standard sparc64 kernel'
101 echo '* zImage - stripped and compressed sparc64 kernel ($(boot)/zImage)'
102 echo ' vmlinux.aout - a.out kernel for sparc64'
103 echo ' tftpboot.img - image prepared for tftp'