1 # 1 #
>> 2 # alpha/Makefile
>> 3 #
2 # This file is subject to the terms and condit 4 # This file is subject to the terms and conditions of the GNU General Public
3 # License. See the file "COPYING" in the main 5 # License. See the file "COPYING" in the main directory of this archive
4 # for more details. 6 # for more details.
5 # 7 #
6 # Copyright (C) 2013 Altera Corporation !! 8 # Copyright (C) 1994 by Linus Torvalds
7 # Copyright (C) 1994, 95, 96, 2003 by Wind Riv <<
8 # Written by Fredrik Markstrom <<
9 # <<
10 # This file is included by the global makefile <<
11 # architecture-specific flags and dependencies <<
12 # 9 #
13 # Nios2 port by Wind River Systems Inc trough: <<
14 # fredrik.markstrom@gmail.com and ivarholmqv <<
15 10
16 KBUILD_DEFCONFIG := 3c120_defconfig !! 11 NM := $(NM) -B
>> 12
>> 13 LINKFLAGS = -static -T arch/alpha/vmlinux.lds -N #-relax
>> 14 CFLAGS := $(CFLAGS) -pipe -mno-fp-regs -ffixed-8
>> 15
>> 16 # Determine if we can use the BWX instructions with GAS.
>> 17 old_gas := $(shell if $(AS) --version 2>&1 | grep 'version 2.7' > /dev/null; then echo y; else echo n; fi)
17 18
18 UTS_SYSNAME = Linux !! 19 # Determine if GCC understands the -mcpu= option.
>> 20 have_mcpu := $(shell if $(CC) -mcpu=ev5 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 21
>> 22 have_mcpu_pca56 := $(shell if $(CC) -mcpu=pca56 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 23
>> 24 have_mcpu_ev6 := $(shell if $(CC) -mcpu=ev6 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 25
>> 26 have_mcpu_ev67 := $(shell if $(CC) -mcpu=ev67 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 27
>> 28 # Turn on the proper cpu optimizations.
>> 29 ifeq ($(have_mcpu),y)
>> 30 # If GENERIC, make sure to turn off any instruction set extensions that
>> 31 # the host compiler might have on by default. Given that EV4 and EV5
>> 32 # have the same instruction set, prefer EV5 because an EV5 schedule is
>> 33 # more likely to keep an EV4 processor busy than vice-versa.
>> 34 mcpu_done := n
>> 35 ifeq ($(CONFIG_ALPHA_GENERIC),y)
>> 36 CFLAGS := $(CFLAGS) -mcpu=ev5
>> 37 mcpu_done := y
>> 38 endif
>> 39 ifeq ($(mcpu_done)$(CONFIG_ALPHA_SX164)$(have_mcpu_pca56),nyy)
>> 40 CFLAGS := $(CFLAGS) -mcpu=pca56
>> 41 mcpu_done := y
>> 42 endif
>> 43 ifeq ($(mcpu_done)$(CONFIG_ALPHA_POLARIS)$(have_mcpu_pca56),nyy)
>> 44 CFLAGS := $(CFLAGS) -mcpu=pca56
>> 45 mcpu_done := y
>> 46 endif
>> 47 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV4),ny)
>> 48 CFLAGS := $(CFLAGS) -mcpu=ev4
>> 49 mcpu_done := y
>> 50 endif
>> 51 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV56),ny)
>> 52 CFLAGS := $(CFLAGS) -mcpu=ev56
>> 53 mcpu_done := y
>> 54 endif
>> 55 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV5),ny)
>> 56 CFLAGS := $(CFLAGS) -mcpu=ev5
>> 57 mcpu_done := y
>> 58 endif
>> 59 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV67)$(have_mcpu_ev67),nyy)
>> 60 CFLAGS := $(CFLAGS) -mcpu=ev67
>> 61 mcpu_done := y
>> 62 endif
>> 63 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV6),ny)
>> 64 ifeq ($(have_mcpu_ev6),y)
>> 65 CFLAGS := $(CFLAGS) -mcpu=ev6
>> 66 else
>> 67 ifeq ($(have_mcpu_pca56),y)
>> 68 CFLAGS := $(CFLAGS) -mcpu=pca56
>> 69 else
>> 70 CFLAGS := $(CFLAGS) -mcpu=ev56
>> 71 endif
>> 72 endif
>> 73 mcpu_done := y
>> 74 endif
>> 75 endif
>> 76
>> 77 # For TSUNAMI, we must have the assembler not emulate our instructions.
>> 78 # The same is true for IRONGATE, POLARIS, PYXIS.
>> 79 # BWX is most important, but we don't really want any emulation ever.
>> 80
>> 81 ifeq ($(old_gas),y)
>> 82 # How do we do #error in make?
>> 83 CFLAGS := --error-please-upgrade-your-assembler
>> 84 endif
>> 85 CFLAGS := $(CFLAGS) -Wa,-mev6
>> 86
>> 87 HEAD := arch/alpha/kernel/head.o
>> 88
>> 89 SUBDIRS := $(SUBDIRS) arch/alpha/kernel arch/alpha/mm arch/alpha/lib \
>> 90 arch/alpha/math-emu
>> 91 CORE_FILES := arch/alpha/kernel/kernel.o arch/alpha/mm/mm.o $(CORE_FILES)
>> 92
>> 93 ifeq ($(CONFIG_MATHEMU),y)
>> 94 CORE_FILES := $(CORE_FILES) arch/alpha/math-emu/math-emu.o
>> 95 endif
19 96
20 export MMU !! 97 LIBS := $(TOPDIR)/arch/alpha/lib/lib.a $(LIBS) $(TOPDIR)/arch/alpha/lib/lib.a
21 98
22 LIBGCC := $(shell $(CC) $(KBUILD_CFLAG !! 99 MAKEBOOT = $(MAKE) -C arch/alpha/boot
>> 100
>> 101 rawboot:
>> 102 @$(MAKEBOOT) rawboot
>> 103
>> 104 #
>> 105 # My boot writes directly to a specific disk partition, I doubt most
>> 106 # people will want to do that without changes..
>> 107 #
>> 108 msb my-special-boot:
>> 109 @$(MAKEBOOT) msb
23 110
24 KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_R !! 111 bootimage:
>> 112 @$(MAKEBOOT) bootimage
25 113
26 KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__ !! 114 srmboot:
27 KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_R !! 115 @$(MAKEBOOT) srmboot
28 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SU <<
29 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_S <<
30 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SU <<
31 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPO <<
32 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPO <<
33 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPO <<
34 116
35 KBUILD_CFLAGS += -fno-optimize-sibling-calls !! 117 archclean:
36 KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME !! 118 @$(MAKE) -C arch/alpha/kernel clean
37 KBUILD_CFLAGS += -fno-builtin !! 119 @$(MAKEBOOT) clean
38 KBUILD_CFLAGS += -G 0 !! 120 rm -f arch/alpha/vmlinux.lds
39 121
40 libs-y += arch/nios2/lib/ $(LIBGCC) !! 122 archmrproper:
41 123
42 INSTALL_PATH ?= /tftpboot !! 124 archdep:
43 nios2-boot := arch/$(ARCH)/boot !! 125 @$(MAKEBOOT) dep
44 BOOT_TARGETS = vmImage zImage <<
45 PHONY += $(BOOT_TARGETS) install <<
46 KBUILD_IMAGE := $(nios2-boot)/vmImage <<
47 126
48 all: vmImage !! 127 vmlinux: arch/alpha/vmlinux.lds
49 128
50 $(BOOT_TARGETS): vmlinux !! 129 arch/alpha/vmlinux.lds: arch/alpha/vmlinux.lds.in
51 $(Q)$(MAKE) $(build)=$(nios2-boot) $(n !! 130 $(CPP) $(CPPFLAGS) -xc -P arch/alpha/vmlinux.lds.in -o arch/alpha/vmlinux.lds
52 131
53 install: !! 132 bootpfile:
54 $(call cmd,install) !! 133 @$(MAKEBOOT) bootpfile
55 134
56 define archhelp !! 135 bootpzfile:
57 echo '* vmImage - Kernel-only image !! 136 @$(MAKEBOOT) bootpzfile
58 echo ' install - Install kernel us <<
59 echo ' (your) ~/bin/$(I <<
60 echo ' (distribution) / <<
61 echo ' install to $$(IN <<
62 endef <<
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