| # 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 ($(ARCH),sparc64) | |
| KBUILD_DEFCONFIG := sparc64_defconfig | |
| else | |
| KBUILD_DEFCONFIG := sparc32_defconfig | |
| endif | |
| ifeq ($(CONFIG_SPARC32),y) | |
| ##### | |
| # sparc32 | |
| # | |
| CHECKFLAGS += -D__sparc__ | |
| KBUILD_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 $(call cc-option,-fcall-used-g5) $(call cc-option,-fcall-used-g7) | |
| KBUILD_CFLAGS += -Wa,-Av8 | |
| KBUILD_AFLAGS += -m32 -Wa,-Av8 | |
| else | |
| ##### | |
| # sparc64 | |
| # | |
| CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ | |
| KBUILD_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 $(call cc-option,-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 | |
| libs-y += arch/sparc/prom/ | |
| libs-y += arch/sparc/lib/ | |
| drivers-$(CONFIG_PM) += arch/sparc/power/ | |
| drivers-$(CONFIG_VIDEO) += arch/sparc/video/ | |
| boot := arch/sparc/boot | |
| # Default target | |
| all: zImage | |
| image zImage uImage tftpboot.img vmlinux.aout: vmlinux | |
| $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
| install: | |
| $(call cmd,install) | |
| archheaders: | |
| $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all | |
| vdso-install-$(CONFIG_SPARC64) += arch/sparc/vdso/vdso64.so.dbg | |
| vdso-install-$(CONFIG_COMPAT) += arch/sparc/vdso/vdso32.so.dbg | |
| # This is the image used for packaging | |
| KBUILD_IMAGE := $(boot)/zImage | |
| # Don't use tabs in echo arguments. | |
| define archhelp | |
| echo '* vmlinux - standard SPARC kernel' | |
| echo ' image - kernel image ($(boot)/image)' | |
| echo '* zImage - stripped/compressed kernel image ($(boot)/zImage)' | |
| echo ' uImage - U-Boot SPARC32 Image (only for LEON)' | |
| echo ' vmlinux.aout - a.out kernel for SPARC64' | |
| echo ' tftpboot.img - image prepared for tftp' | |
| endef |