1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # Makefile for the Hexagon arch !! 2 #
3 !! 3 # sparc/Makefile
4 KBUILD_DEFCONFIG = comet_defconfig !! 4 #
5 !! 5 # Makefile for the architecture dependent flags and dependencies on the
6 # Do not use GP-relative jumps !! 6 # Sparc and sparc64.
7 KBUILD_CFLAGS += -G0 !! 7 #
8 LDFLAGS_vmlinux += -G0 !! 8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
9 !! 9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
10 # Do not use single-byte enums; these will ove !! 10
11 KBUILD_CFLAGS += -fno-short-enums !! 11 # We are not yet configured - so test on arch
12 !! 12 ifeq ($(ARCH),sparc64)
13 # We must use long-calls: !! 13 KBUILD_DEFCONFIG := sparc64_defconfig
14 KBUILD_CFLAGS += -mlong-calls !! 14 else
15 !! 15 KBUILD_DEFCONFIG := sparc32_defconfig
16 # Modules must use either long-calls, or use p !! 16 endif
17 # Use long-calls for now, it's easier. And fa !! 17
18 # KBUILD_CFLAGS_MODULE += -fPIC !! 18 ifeq ($(CONFIG_SPARC32),y)
19 # KBUILD_LDFLAGS_MODULE += -shared !! 19 #####
20 KBUILD_CFLAGS_MODULE += -mlong-calls !! 20 # sparc32
21 !! 21 #
22 cflags-y += $(call cc-option,-mv${CONFIG_HEXAG !! 22
23 aflags-y += $(call cc-option,-mv${CONFIG_HEXAG !! 23 CHECKFLAGS += -D__sparc__
24 ldflags-y += $(call cc-option,-mv${CONFIG_HEXA !! 24 KBUILD_LDFLAGS := -m elf32_sparc
25 !! 25 export BITS := 32
26 KBUILD_CFLAGS += $(cflags-y) !! 26 UTS_MACHINE := sparc
27 KBUILD_AFLAGS += $(aflags-y) !! 27
28 KBUILD_LDFLAGS += $(ldflags-y) !! 28 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
29 !! 29 # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
30 # Thread-info register will be r19. This valu !! 30 # give -mcpu=v8. This silently worked with older bintutils versions but
31 # it is hard-coded in several files. !! 31 # does not any more.
32 TIR_NAME := r19 !! 32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
33 KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADI !! 33 KBUILD_CFLAGS += -Wa,-Av8
34 KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME) !! 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 libs-y += arch/sparc/prom/
>> 60 libs-y += arch/sparc/lib/
>> 61
>> 62 drivers-$(CONFIG_PM) += arch/sparc/power/
>> 63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/
>> 64
>> 65 boot := arch/sparc/boot
>> 66
>> 67 # Default target
>> 68 all: zImage
>> 69
>> 70 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
>> 71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
>> 72
>> 73 install:
>> 74 $(call cmd,install)
>> 75
>> 76 archheaders:
>> 77 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
>> 78
>> 79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/vdso/vdso64.so.dbg
>> 80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/vdso/vdso32.so.dbg
>> 81
>> 82 # This is the image used for packaging
>> 83 KBUILD_IMAGE := $(boot)/zImage
>> 84
>> 85 # Don't use tabs in echo arguments.
>> 86 define archhelp
>> 87 echo '* vmlinux - standard SPARC kernel'
>> 88 echo ' image - kernel image ($(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'
>> 93 endef
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