1 # SPDX-License-Identifier: GPL-2.0 2 # 3 # sparc/Makefile 4 # 5 # Makefile for the architecture dependent flags and dependencies on the 6 # Sparc and sparc64. 7 # 8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu) 9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) 10 11 # We are not yet configured - so test on arch 12 ifeq ($(ARCH),sparc64) 13 KBUILD_DEFCONFIG := sparc64_defconfig 14 else 15 KBUILD_DEFCONFIG := sparc32_defconfig 16 endif 17 18 ifeq ($(CONFIG_SPARC32),y) 19 ##### 20 # sparc32 21 # 22 23 CHECKFLAGS += -D__sparc__ 24 KBUILD_LDFLAGS := -m elf32_sparc 25 export BITS := 32 26 UTS_MACHINE := sparc 27 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 31 # does not any more. 32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 33 KBUILD_CFLAGS += -Wa,-Av8 34 35 KBUILD_AFLAGS += -m32 -Wa,-Av8 36 37 else 38 ##### 39 # sparc64 40 # 41 42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ 43 KBUILD_LDFLAGS := -m elf64_sparc 44 export BITS := 64 45 UTS_MACHINE := sparc64 46 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 += $(call cc-option,-mtune=ultrasparc3) 51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs 52 53 ifeq ($(CONFIG_MCOUNT),y) 54 KBUILD_CFLAGS += -pg 55 endif 56 57 endif 58 59 head-y := arch/sparc/kernel/head_$(BITS).o 60 61 libs-y += arch/sparc/prom/ 62 libs-y += arch/sparc/lib/ 63 64 drivers-$(CONFIG_PM) += arch/sparc/power/ 65 66 boot := arch/sparc/boot 67 68 # Default target 69 all: zImage 70 71 image zImage uImage tftpboot.img vmlinux.aout: vmlinux 72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 73 74 install: 75 sh $(srctree)/$(boot)/install.sh $(KERNELRELEASE) $(KBUILD_IMAGE) \ 76 System.map "$(INSTALL_PATH)" 77 78 archheaders: 79 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all 80 81 PHONY += vdso_install 82 vdso_install: 83 $(Q)$(MAKE) $(build)=arch/sparc/vdso $@ 84 85 # This is the image used for packaging 86 KBUILD_IMAGE := $(boot)/zImage 87 88 # Don't use tabs in echo arguments. 89 ifeq ($(ARCH),sparc) 90 define archhelp 91 echo '* image - kernel image ($(boot)/image)' 92 echo '* zImage - stripped kernel image ($(boot)/zImage)' 93 echo ' uImage - U-Boot SPARC32 Image (only for LEON)' 94 echo ' tftpboot.img - image prepared for tftp' 95 endef 96 else 97 define archhelp 98 echo '* vmlinux - standard sparc64 kernel' 99 echo '* zImage - stripped and compressed sparc64 kernel ($(boot)/zImage)' 100 echo ' vmlinux.aout - a.out kernel for sparc64' 101 echo ' tftpboot.img - image prepared for tftp' 102 endef 103 endif 104