| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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 ($(ARCH),sparc) |
| 13 | KBUILD_DEFCONFIG := sparc32_defconfig |
| 14 | else |
| 15 | KBUILD_DEFCONFIG := sparc64_defconfig |
| 16 | endif |
| 17 | |
| 18 | ifeq ($(CONFIG_SPARC32),y) |
| 19 | ##### |
| 20 | # sparc32 |
| 21 | # |
| 22 | |
| 23 | CHECKFLAGS += -D__sparc__ |
| 24 | 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__ -m64 |
| 43 | 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_$(BITS).o |
| 60 | |
| 61 | # See arch/sparc/Kbuild for the core part of the kernel |
| 62 | core-y += arch/sparc/ |
| 63 | |
| 64 | libs-y += arch/sparc/prom/ |
| 65 | libs-y += arch/sparc/lib/ |
| 66 | |
| 67 | drivers-$(CONFIG_PM) += arch/sparc/power/ |
| 68 | drivers-$(CONFIG_OPROFILE) += arch/sparc/oprofile/ |
| 69 | |
| 70 | boot := arch/sparc/boot |
| 71 | |
| 72 | # Default target |
| 73 | all: zImage |
| 74 | |
| 75 | image zImage uImage tftpboot.img vmlinux.aout: vmlinux |
| 76 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
| 77 | |
| 78 | install: |
| 79 | $(Q)$(MAKE) $(build)=$(boot) $@ |
| 80 | |
| 81 | archclean: |
| 82 | $(Q)$(MAKE) $(clean)=$(boot) |
| 83 | |
| 84 | # This is the image used for packaging |
| 85 | KBUILD_IMAGE := $(boot)/zImage |
| 86 | |
| 87 | # Don't use tabs in echo arguments. |
| 88 | ifeq ($(ARCH),sparc) |
| 89 | define archhelp |
| 90 | echo '* image - kernel image ($(boot)/image)' |
| 91 | echo '* zImage - stripped kernel image ($(boot)/zImage)' |
| 92 | echo ' uImage - U-Boot SPARC32 Image (only for LEON)' |
| 93 | echo ' tftpboot.img - image prepared for tftp' |
| 94 | endef |
| 95 | else |
| 96 | define archhelp |
| 97 | echo '* vmlinux - standard sparc64 kernel' |
| 98 | echo '* zImage - stripped and compressed sparc64 kernel ($(boot)/zImage)' |
| 99 | echo ' vmlinux.aout - a.out kernel for sparc64' |
| 100 | echo ' tftpboot.img - image prepared for tftp' |
| 101 | endef |
| 102 | endif |