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 12ifeq ($(ARCH),sparc64) 13 KBUILD_DEFCONFIG := sparc64_defconfig 14else 15 KBUILD_DEFCONFIG := sparc32_defconfig 16endif 17 18ifeq ($(CONFIG_SPARC32),y) 19##### 20# sparc32 21# 22 23CHECKFLAGS += -D__sparc__ 24KBUILD_LDFLAGS := -m elf32_sparc 25export BITS := 32 26UTS_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. 32KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 33KBUILD_CFLAGS += -Wa,-Av8 34 35KBUILD_AFLAGS += -m32 -Wa,-Av8 36 37else 38##### 39# sparc64 40# 41 42CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ 43KBUILD_LDFLAGS := -m elf64_sparc 44export BITS := 64 45UTS_MACHINE := sparc64 46 47KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow 48KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare 49KBUILD_CFLAGS += -Wa,--undeclared-regs 50KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3) 51KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs 52 53ifeq ($(CONFIG_MCOUNT),y) 54 KBUILD_CFLAGS += -pg 55endif 56 57endif 58 59libs-y += arch/sparc/prom/ 60libs-y += arch/sparc/lib/ 61 62drivers-$(CONFIG_PM) += arch/sparc/power/ 63drivers-$(CONFIG_FB_CORE) += arch/sparc/video/ 64 65boot := arch/sparc/boot 66 67# Default target 68all: zImage 69 70image zImage uImage tftpboot.img vmlinux.aout: vmlinux 71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 72 73install: 74 $(call cmd,install) 75 76archheaders: 77 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all 78 79vdso-install-$(CONFIG_SPARC64) += arch/sparc/vdso/vdso64.so.dbg 80vdso-install-$(CONFIG_COMPAT) += arch/sparc/vdso/vdso32.so.dbg 81 82# This is the image used for packaging 83KBUILD_IMAGE := $(boot)/zImage 84 85# Don't use tabs in echo arguments. 86define archhelp 87 echo '* vmlinux - standard SPARC kernel' 88 echo ' image - kernel image ($(boot)/image)' 89 echo '* zImage - stripped/compressed kernel image ($(boot)/zImage)' 90 echo ' uImage - U-Boot SPARC32 Image (only for LEON)' 91 echo ' vmlinux.aout - a.out kernel for SPARC64' 92 echo ' tftpboot.img - image prepared for tftp' 93endef 94