>> 1 # SPDX-License-Identifier: GPL-2.0
1 # 2 #
2 # This file is subject to the terms and condit !! 3 # sparc/Makefile
3 # License. See the file "COPYING" in the main <<
4 # for more details. <<
5 # 4 #
6 # Copyright (C) 2001 - 2005 Tensilica Inc. !! 5 # Makefile for the architecture dependent flags and dependencies on the
7 # Copyright (C) 2014 Cadence Design Systems In !! 6 # Sparc and sparc64.
8 # 7 #
9 # This file is included by the global makefile !! 8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
10 # architecture-specific flags and dependencies !! 9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
11 10
12 # Core configuration. !! 11 # We are not yet configured - so test on arch
13 # (Use VAR=<xtensa_config> to use another defa !! 12 ifeq ($(ARCH),sparc64)
14 !! 13 KBUILD_DEFCONFIG := sparc64_defconfig
15 variant-y := $(CONFIG_XTENSA_VARIANT_NAME) !! 14 else
16 !! 15 KBUILD_DEFCONFIG := sparc32_defconfig
17 VARIANT = $(variant-y) <<
18 <<
19 ifneq ($(VARIANT),) <<
20 ifdef cross_compiling <<
21 ifndef CROSS_COMPILE <<
22 CROSS_COMPILE = xtensa_$(VARIANT)- <<
23 endif <<
24 endif <<
25 endif 16 endif
26 17
27 # Platform configuration !! 18 ifeq ($(CONFIG_SPARC32),y)
28 !! 19 #####
29 platform-$(CONFIG_XTENSA_PLATFORM_XT2000) !! 20 # sparc32
30 platform-$(CONFIG_XTENSA_PLATFORM_ISS) !! 21 #
31 platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) <<
32 <<
33 # temporarily until string.h is fixed <<
34 KBUILD_CFLAGS += -ffreestanding -D__linux__ <<
35 KBUILD_CFLAGS += -pipe -mlongcalls -mtext-sect <<
36 KBUILD_CFLAGS += $(call cc-option,-mforce-no-p <<
37 KBUILD_CFLAGS += $(call cc-option,-mno-seriali <<
38 KBUILD_CFLAGS += $(call cc-option,-mno-fdpic,) <<
39 ifneq ($(CONFIG_KERNEL_ABI_CALL0),) <<
40 KBUILD_CFLAGS += -mabi=call0 <<
41 KBUILD_AFLAGS += -mabi=call0 <<
42 endif <<
43 22
44 KBUILD_AFLAGS += -mlongcalls -mtext-section-li !! 23 CHECKFLAGS += -D__sparc__
45 KBUILD_AFLAGS += $(call cc-option,-mno-fdpic,) !! 24 KBUILD_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 #
46 41
47 KBUILD_LDFLAGS += -m elf32xtensa !! 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 += $(call cc-option,-mtune=ultrasparc3)
>> 51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
48 52
49 ifneq ($(CONFIG_LD_NO_RELAX),) !! 53 ifeq ($(CONFIG_MCOUNT),y)
50 KBUILD_LDFLAGS += --no-relax !! 54 KBUILD_CFLAGS += -pg
51 endif 55 endif
52 56
53 CHECKFLAGS += -D$(if $(CONFIG_CPU_BIG_ENDIAN), !! 57 endif
54 58
55 vardirs := $(patsubst %,arch/xtensa/variants/% !! 59 libs-y += arch/sparc/prom/
56 plfdirs := $(patsubst %,arch/xtensa/platforms/ !! 60 libs-y += arch/sparc/lib/
57 61
58 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/% !! 62 drivers-$(CONFIG_PM) += arch/sparc/power/
>> 63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/
59 64
60 KBUILD_DEFCONFIG := iss_defconfig !! 65 boot := arch/sparc/boot
61 66
62 libs-y += arch/xtensa/lib/ !! 67 # Default target
>> 68 all: zImage
63 69
64 boot := arch/xtensa/boot !! 70 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
>> 71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
65 72
66 all Image zImage uImage xipImage: vmlinux !! 73 install:
67 $(Q)$(MAKE) $(build)=$(boot) $@ !! 74 $(call cmd,install)
68 75
69 archheaders: 76 archheaders:
70 $(Q)$(MAKE) $(build)=arch/xtensa/kerne !! 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 := $(boot)/zImage
71 84
>> 85 # Don't use tabs in echo arguments.
72 define archhelp 86 define archhelp
73 @echo '* Image - Kernel ELF image with !! 87 echo '* vmlinux - standard SPARC kernel'
74 @echo '* zImage - Compressed kernel ima !! 88 echo ' image - kernel image ($(boot)/image)'
75 @echo '* uImage - U-Boot wrapped image' !! 89 echo '* zImage - stripped/compressed kernel image ($(boot)/zImage)'
76 @echo ' xipImage - XIP image' !! 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'
77 endef 93 endef
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