1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
2 KBUILD_DEFCONFIG := mmu_defconfig !! 2 # alpha/Makefile
>> 3 #
>> 4 # This file is subject to the terms and conditions of the GNU General Public
>> 5 # License. See the file "COPYING" in the main directory of this archive
>> 6 # for more details.
>> 7 #
>> 8 # Copyright (C) 1994 by Linus Torvalds
>> 9 #
>> 10
>> 11 NM := $(NM) -B
>> 12
>> 13 LDFLAGS_vmlinux := -static -N #-relax
>> 14 CHECKFLAGS += -D__alpha__
>> 15 cflags-y := -pipe -mno-fp-regs -ffixed-8
>> 16 cflags-y += $(call cc-option, -fno-jump-tables)
>> 17
>> 18 cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
>> 19 cpuflags-$(CONFIG_ALPHA_EV5) := -mcpu=ev5
>> 20 cpuflags-$(CONFIG_ALPHA_EV56) := -mcpu=ev56
>> 21 cpuflags-$(CONFIG_ALPHA_POLARIS) := -mcpu=pca56
>> 22 cpuflags-$(CONFIG_ALPHA_SX164) := -mcpu=pca56
>> 23 cpuflags-$(CONFIG_ALPHA_EV6) := -mcpu=ev6
>> 24 cpuflags-$(CONFIG_ALPHA_EV67) := -mcpu=ev67
>> 25 # If GENERIC, make sure to turn off any instruction set extensions that
>> 26 # the host compiler might have on by default. Given that EV4 and EV5
>> 27 # have the same instruction set, prefer EV5 because an EV5 schedule is
>> 28 # more likely to keep an EV4 processor busy than vice-versa.
>> 29 cpuflags-$(CONFIG_ALPHA_GENERIC) := -mcpu=ev5
>> 30
>> 31 cflags-y += $(cpuflags-y)
>> 32
>> 33
>> 34 # For TSUNAMI, we must have the assembler not emulate our instructions.
>> 35 # The same is true for IRONGATE, POLARIS, PYXIS.
>> 36 # BWX is most important, but we don't really want any emulation ever.
>> 37 KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
>> 38
>> 39 libs-y += arch/alpha/lib/
>> 40
>> 41 # export what is needed by arch/alpha/boot/Makefile
>> 42 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
>> 43 export LIBS_Y
>> 44
>> 45 boot := arch/alpha/boot
3 46
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" !! 47 #Default target when executing make with no arguments
>> 48 all boot: $(boot)/vmlinux.gz
5 49
6 # What CPU version are we building for, and cr !! 50 $(boot)/vmlinux.gz: vmlinux
7 # as major.minor.rev !! 51 $(Q)$(MAKE) $(build)=$(boot) $@
8 CPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VE <<
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 <<
41 KBUILD_CFLAGS += -mlittle-endian <<
42 KBUILD_AFLAGS += -mlittle-endian <<
43 KBUILD_LDFLAGS += -EL <<
44 endif <<
45 <<
46 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VE <<
47 <<
48 # r31 holds current when in kernel mode <<
49 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(C <<
50 <<
51 libs-y += arch/microblaze/lib/ <<
52 52
53 boot := arch/microblaze/boot !! 53 bootimage bootpfile bootpzfile: vmlinux
54 <<
55 # Are we making a simpleImage.<boardname> targ <<
56 DTB:=$(subst simpleImage.,,$(filter simpleImag <<
57 <<
58 export DTB <<
59 <<
60 all: linux.bin <<
61 <<
62 archheaders: <<
63 $(Q)$(MAKE) $(build)=arch/microblaze/k <<
64 <<
65 PHONY += linux.bin linux.bin.gz linux.bin.ub <<
66 linux.bin.ub linux.bin.gz: linux.bin <<
67 linux.bin: vmlinux <<
68 linux.bin linux.bin.gz linux.bin.ub: <<
69 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 54 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
70 @echo 'Kernel: $(boot)/$@ is ready' ' <<
71 55
72 PHONY += simpleImage.$(DTB) !! 56 archheaders:
73 simpleImage.$(DTB): vmlinux !! 57 $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
74 $(Q)$(MAKE) $(build)=$(boot) $(addpref <<
75 @echo 'Kernel: $(boot)/$@ is ready' ' <<
76 58
77 define archhelp 59 define archhelp
78 echo '* linux.bin - Create raw binary' !! 60 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
79 echo ' linux.bin.gz - Create compressed raw !! 61 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)'
80 echo ' linux.bin.ub - Create U-Boot wrapped !! 62 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)'
81 echo ' simpleImage.<dt> - Create the follow !! 63 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
82 echo ' simpleImage.<dt> <<
83 echo ' simpleImage.<dt>.u <<
84 echo ' simpleImage.<dt>.u <<
85 echo ' simpleImage.<dt>.s <<
86 echo ' Targets with <dt> embed a device tre <<
87 echo ' These targets support board with fir <<
88 echo ' support passing a device tree direct <<
89 echo ' name of a dts file from the arch/mic <<
90 echo ' (minus the .dts extension).' <<
91 endef 64 endef
92 <<
93 MRPROPER_FILES += $(boot)/simpleImage.* <<
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