1 # SPDX-License-Identifier: GPL-2.0 !! 1 # $Id: Makefile,v 1.51.2.1 2002/03/14 01:26:21 kanoj Exp $
2 KBUILD_DEFCONFIG := mmu_defconfig !! 2 # sparc64/Makefile
3 !! 3 #
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" !! 4 # Makefile for the architecture dependent flags and dependencies on the
>> 5 # 64-bit Sparc.
>> 6 #
>> 7 # Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
>> 8 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
>> 9 #
>> 10
>> 11 # If the solaris /bin/sh wasn't so broken, I wouldn't need the following
>> 12 # line...
>> 13 SHELL =/bin/bash
>> 14
>> 15 CC := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo $(CC); else echo sparc64-linux-gcc; fi )
>> 16
>> 17 NEW_GCC := $(shell if $(CC) -m64 -mcmodel=medlow -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
>> 18 NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
>> 19 UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
>> 20 INLINE_LIMIT := $(shell if $(CC) -m64 -finline-limit=100000 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
>> 21
>> 22 export NEW_GCC
>> 23
>> 24 ifneq ($(NEW_GAS),y)
>> 25 AS = sparc64-linux-as
>> 26 LD = sparc64-linux-ld
>> 27 NM = sparc64-linux-nm
>> 28 AR = sparc64-linux-ar
>> 29 RANLIB = sparc64-linux-ranlib
>> 30 else
>> 31 AS := $(AS) -64
>> 32 LD := $(LD) -m elf64_sparc
>> 33 endif
>> 34 ELFTOAOUT = elftoaout
>> 35 ifneq ($(UNDECLARED_REGS),y)
>> 36 CC_UNDECL =
>> 37 else
>> 38 CC_UNDECL = -Wa,--undeclared-regs
>> 39 AS := $(AS) --undeclared-regs
>> 40 endif
5 41
6 # What CPU version are we building for, and cr !! 42 ifneq ($(NEW_GCC),y)
7 # as major.minor.rev !! 43 CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
8 CPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VE !! 44 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
9 CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER) <<
10 CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER) <<
11 CPU_REV := $(word 3, $(subst ., , $(CPU_VER) <<
12 <<
13 export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV <<
14 <<
15 # Use cpu-related CONFIG_ vars to set compile <<
16 # The various CONFIG_XILINX cpu features optio <<
17 # rather than bools y/n <<
18 <<
19 # Work out HW multipler support. This is trick <<
20 # 1. Spartan2 has no HW multipliers. <<
21 # 2. MicroBlaze v3.x always uses them, except <<
22 # 3. All other FPGa/CPU ver combos, we can tru <<
23 ifeq (,$(findstring spartan2,$(CONFIG_XILINX_M <<
24 ifeq ($(CPU_MAJOR),3) <<
25 CPUFLAGS-1 += -mno-xl-soft-mul <<
26 else <<
27 # USE_HW_MUL can be 0, 1, or 2, defining a <<
28 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROB <<
29 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_H <<
30 endif <<
31 endif <<
32 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) <<
33 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARRE <<
34 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_ <<
35 <<
36 ifdef CONFIG_CPU_BIG_ENDIAN <<
37 KBUILD_CFLAGS += -mbig-endian <<
38 KBUILD_AFLAGS += -mbig-endian <<
39 KBUILD_LDFLAGS += -EB <<
40 else 45 else
41 KBUILD_CFLAGS += -mlittle-endian !! 46 CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
42 KBUILD_AFLAGS += -mlittle-endian !! 47 -ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \
43 KBUILD_LDFLAGS += -EL !! 48 $(CC_UNDECL)
44 endif !! 49 AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
45 !! 50 endif
46 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VE !! 51
47 !! 52 ifeq ($(INLINE_LIMIT),y)
48 # r31 holds current when in kernel mode !! 53 CFLAGS := $(CFLAGS) -finline-limit=100000
49 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(C !! 54 endif
50 !! 55
51 libs-y += arch/microblaze/lib/ !! 56 ifeq ($(CONFIG_MCOUNT),y)
52 !! 57 CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
53 boot := arch/microblaze/boot !! 58 CFLAGS := $(CFLAGS) -pg
54 !! 59 endif
55 # Are we making a simpleImage.<boardname> targ !! 60
56 DTB:=$(subst simpleImage.,,$(filter simpleImag !! 61 LINKFLAGS = -T arch/sparc64/vmlinux.lds
57 !! 62
58 export DTB !! 63 HEAD := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
59 !! 64
60 all: linux.bin !! 65 SUBDIRS += arch/sparc64/kernel arch/sparc64/lib arch/sparc64/mm \
61 !! 66 arch/sparc64/prom
62 archheaders: !! 67
63 $(Q)$(MAKE) $(build)=arch/microblaze/k !! 68 ifneq ($(CONFIG_SOLARIS_EMUL),n)
64 !! 69 SUBDIRS += arch/sparc64/solaris
65 PHONY += linux.bin linux.bin.gz linux.bin.ub !! 70 endif
66 linux.bin.ub linux.bin.gz: linux.bin !! 71
67 linux.bin: vmlinux !! 72 SUBDIRS += arch/sparc64/math-emu
68 linux.bin linux.bin.gz linux.bin.ub: !! 73
69 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 74 CORE_FILES := arch/sparc64/kernel/kernel.o arch/sparc64/mm/mm.o $(CORE_FILES)
70 @echo 'Kernel: $(boot)/$@ is ready' ' !! 75
71 !! 76 ifeq ($(CONFIG_SOLARIS_EMUL),y)
72 PHONY += simpleImage.$(DTB) !! 77 CORE_FILES += arch/sparc64/solaris/solaris.o
73 simpleImage.$(DTB): vmlinux !! 78 endif
74 $(Q)$(MAKE) $(build)=$(boot) $(addpref !! 79
75 @echo 'Kernel: $(boot)/$@ is ready' ' !! 80 CORE_FILES += arch/sparc64/math-emu/math-emu.o
76 !! 81
77 define archhelp !! 82 LIBS := $(TOPDIR)/lib/lib.a $(LIBS) $(TOPDIR)/arch/sparc64/prom/promlib.a \
78 echo '* linux.bin - Create raw binary' !! 83 $(TOPDIR)/arch/sparc64/lib/lib.a
79 echo ' linux.bin.gz - Create compressed raw !! 84
80 echo ' linux.bin.ub - Create U-Boot wrapped !! 85 vmlinux.aout: vmlinux
81 echo ' simpleImage.<dt> - Create the follow !! 86 $(ELFTOAOUT) -o $(TOPDIR)/vmlinux.aout $(TOPDIR)/vmlinux
82 echo ' simpleImage.<dt> !! 87
83 echo ' simpleImage.<dt>.u !! 88 archmrproper:
84 echo ' simpleImage.<dt>.u !! 89 rm -f $(TOPDIR)/include/asm-sparc64/asm_offsets.h
85 echo ' simpleImage.<dt>.s !! 90
86 echo ' Targets with <dt> embed a device tre !! 91 archdep: check_asm
87 echo ' These targets support board with fir !! 92
88 echo ' support passing a device tree direct !! 93 check_asm: include/linux/version.h
89 echo ' name of a dts file from the arch/mic !! 94 $(MAKE) -C arch/sparc64/kernel check_asm
90 echo ' (minus the .dts extension).' !! 95
91 endef !! 96
>> 97 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
>> 98
>> 99 archclean:
>> 100 @$(MAKEBOOT) clean
>> 101
>> 102 tftpboot.img:
>> 103 @$(MAKEBOOT) tftpboot.img
92 104
93 MRPROPER_FILES += $(boot)/simpleImage.* !! 105 image:
>> 106 @$(MAKEBOOT) image
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