| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # sparc/Makefile |
| # |
| # Makefile for the architecture dependent flags and dependencies on the |
| # Sparc and sparc64. |
| # |
| # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu) |
| # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) |
| |
| # We are not yet configured - so test on arch |
| ifeq ($(ARCH),sparc) |
| KBUILD_DEFCONFIG := sparc32_defconfig |
| else |
| KBUILD_DEFCONFIG := sparc64_defconfig |
| endif |
| |
| ifeq ($(CONFIG_SPARC32),y) |
| ##### |
| # sparc32 |
| # |
| |
| CHECKFLAGS += -D__sparc__ |
| LDFLAGS := -m elf32_sparc |
| export BITS := 32 |
| UTS_MACHINE := sparc |
| |
| # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some |
| # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you |
| # give -mcpu=v8. This silently worked with older bintutils versions but |
| # does not any more. |
| KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 |
| KBUILD_CFLAGS += -Wa,-Av8 |
| |
| KBUILD_AFLAGS += -m32 -Wa,-Av8 |
| |
| else |
| ##### |
| # sparc64 |
| # |
| |
| CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64 |
| LDFLAGS := -m elf64_sparc |
| export BITS := 64 |
| UTS_MACHINE := sparc64 |
| |
| KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow |
| KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare |
| KBUILD_CFLAGS += -Wa,--undeclared-regs |
| KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3) |
| KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs |
| |
| ifeq ($(CONFIG_MCOUNT),y) |
| KBUILD_CFLAGS += -pg |
| endif |
| |
| endif |
| |
| head-y := arch/sparc/kernel/head_$(BITS).o |
| |
| # See arch/sparc/Kbuild for the core part of the kernel |
| core-y += arch/sparc/ |
| |
| libs-y += arch/sparc/prom/ |
| libs-y += arch/sparc/lib/ |
| |
| drivers-$(CONFIG_PM) += arch/sparc/power/ |
| drivers-$(CONFIG_OPROFILE) += arch/sparc/oprofile/ |
| |
| boot := arch/sparc/boot |
| |
| # Default target |
| all: zImage |
| |
| image zImage uImage tftpboot.img vmlinux.aout: vmlinux |
| $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
| |
| install: |
| $(Q)$(MAKE) $(build)=$(boot) $@ |
| |
| archclean: |
| $(Q)$(MAKE) $(clean)=$(boot) |
| |
| # This is the image used for packaging |
| KBUILD_IMAGE := $(boot)/zImage |
| |
| # Don't use tabs in echo arguments. |
| ifeq ($(ARCH),sparc) |
| define archhelp |
| echo '* image - kernel image ($(boot)/image)' |
| echo '* zImage - stripped kernel image ($(boot)/zImage)' |
| echo ' uImage - U-Boot SPARC32 Image (only for LEON)' |
| echo ' tftpboot.img - image prepared for tftp' |
| endef |
| else |
| define archhelp |
| echo '* vmlinux - standard sparc64 kernel' |
| echo '* zImage - stripped and compressed sparc64 kernel ($(boot)/zImage)' |
| echo ' vmlinux.aout - a.out kernel for sparc64' |
| echo ' tftpboot.img - image prepared for tftp' |
| endef |
| endif |