summaryrefslogtreecommitdiffstats
path: root/arch/arm/Makefile
blob: 1c198989dca507a7c0f26230e635eb01964fefe7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
#
# arch/arm/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
# for "archclean" and "archdep" for cleaning up and making dependencies for
# this architecture
#
# This file is subject to the terms and conditions of the GNU General Public
# License.  See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 1995-1999 by Russell King

CFLAGS_PROC		:=
ASFLAGS_PROC		:=

# GCC 2.7 uses different options to later compilers; sort out which we have
CONFIG_GCC_NEW		:= $(shell if $(CC) --version 2>&1 | grep '^2\.7' > /dev/null; then echo n; else echo y; fi)

# Hack to get around RiscPC with StrongARM optimistaion
# problem - force ARM710 optimisation for now.
ifeq ($(CONFIG_GCC_NEW),y)
  ifeq ($(CONFIG_ARCH_RPC),y)
    ifeq ($(CONFIG_CPU_SA110),y)
      CONFIG_CPU_SA110	:= n
      CONFIG_CPU_ARM7	:= y
    endif
  endif
endif

ifeq ($(CONFIG_CPU_26),y)
  PROCESSOR		 = armo
  TEXTADDR		 = 0x02080000
  ZTEXTADDR		 = 0x01800000
  ZRELADDR		 = 0x02080000
  ifeq ($(CONFIG_GCC_NEW),y)
    CFLAGS_PROC		+= -mapcs-26 -mshort-load-bytes
    ifeq ($(CONFIG_CPU_ARM2),y)
      CFLAGS_PROC	+= -mcpu=arm2
      ASFLAGS_PROC	+= -m2
    endif
    ifeq ($(CONFIG_CPU_ARM3),y)
      CFLAGS_PROC	+= -mcpu=arm3
      ASFLAGS_PROC	+= -m3
    endif
  else
    ifeq ($(CONFIG_CPU_ARM2),y)
      CFLAGS_PROC	+= -m2
      ASFLAGS_PROC	+= -m2
    endif
    ifeq ($(CONFIG_CPU_ARM3),y)
      CFLAGS_PROC	+= -m3
      ASFLAGS_PROC	+= -m3
    endif
  endif
endif

ifeq ($(CONFIG_CPU_32),y)
  PROCESSOR		 = armv
  TEXTADDR		 = 0xC0008000
  ifeq ($(CONFIG_GCC_NEW),y)
    CFLAGS_PROC		+= -mapcs-32 -mshort-load-bytes
    ifeq ($(CONFIG_CPU_ARM6),y)
      CFLAGS_PROC	+= -mcpu=arm6
    endif
    ifeq ($(CONFIG_CPU_ARM7),y)
      CFLAGS_PROC	+= -mcpu=arm7
    endif
    ifeq ($(CONFIG_CPU_SA110),y)
      CFLAGS_PROC	+= -mcpu=strongarm110
    endif
  else
    CFLAGS_PROC		+= -m6
  endif
  ASFLAGS_PROC		+= -m6
endif

# Processor Architecture
# CFLAGS_PROC - processor dependent CFLAGS
# PROCESSOR   - processor type
# TEXTADDR    - Uncompressed kernel link text address
# ZTEXTADDR   - Compressed kernel link text address
# ZRELADDR    - Compressed kernel relocating address
#	        (point at which uncompressed kernel is loaded).
#

COMPRESSED_HEAD	 = head.o

ifeq ($(CONFIG_ARCH_A5K),y)
MACHINE		 = a5k
ARCHDIR		 = arc
endif

ifeq ($(CONFIG_ARCH_ARC),y)
MACHINE		 = arc
ARCHDIR		 = arc
endif

ifeq ($(CONFIG_ARCH_RPC),y)
MACHINE		 = rpc
ARCHDIR		 = rpc
ZTEXTADDR	 = 0x10008000
ZRELADDR	 = 0x10008000
endif

ifeq ($(CONFIG_ARCH_EBSA110),y)
MACHINE		 = ebsa110
ARCHDIR		 = ebsa110
ZTEXTADDR	 = 0x00008000
ZRELADDR	 = 0x00008000
endif

ifeq ($(CONFIG_FOOTBRIDGE),y)
MACHINE		 = footbridge
ARCHDIR		 = ebsa285
ZTEXTADDR	 = 0x00008000
ZRELADDR	 = 0x00008000
endif

ifeq ($(CONFIG_ARCH_CO285),y)
TEXTADDR	 = 0x60008000
endif

ifeq ($(CONFIG_ARCH_NEXUSPCI),y)
MACHINE		 = nexuspci
ARCHDIR		 = nexuspci
ZTEXTADDR	 = 0x40200000
ZRELADDR	 = 0x40008000
COMPRESSED_EXTRA = $(TOPDIR)/arch/arm/lib/ll_char_wr_scc.o
COMPRESSED_HEAD	 = head-nexuspci.o
endif

PERL		 = perl
LD		 = $(CROSS_COMPILE)ld
OBJCOPY		 = $(CROSS_COMPILE)objcopy -O binary -R .note -R .comment -S
OBJDUMP		 = $(CROSS_COMPILE)objdump
CPP		 = $(CC) -E
ARCHCC		:= $(word 1,$(CC))
GCCLIB		:= `$(CC) $(CFLAGS_PROC) --print-libgcc-file-name`
HOSTCFLAGS	:= $(CFLAGS:-fomit-frame-pointer=)
ifeq ($(CONFIG_FRAME_POINTER),y)
CFLAGS		:= $(CFLAGS:-fomit-frame-pointer=)
endif
CFLAGS		:= $(CFLAGS_PROC) $(CFLAGS) -pipe
ASFLAGS		:= $(ASFLAGS_PROC) $(ASFLAGS)
LINKFLAGS	 = -T $(TOPDIR)/arch/arm/vmlinux-$(PROCESSOR).lds -e stext -Ttext $(TEXTADDR)
ZLINKFLAGS	 = -Ttext $(ZTEXTADDR)

# If we're intending to debug the kernel, make sure it has line number
# information.  This gets stripped out when building (z)Image so it doesn't
# add anything to the footprint of the running kernel.
ifeq ($(CONFIG_DEBUG_INFO),y)
CFLAGS		+= -g
endif

HEAD		:= arch/arm/kernel/head-$(PROCESSOR).o \
		   arch/arm/kernel/init_task.o
SUBDIRS		:= arch/arm/special $(SUBDIRS) arch/arm/lib arch/arm/kernel \
		   arch/arm/mm arch/arm/nwfpe
CORE_FILES	:= arch/arm/kernel/kernel.o arch/arm/mm/mm.o $(CORE_FILES)
LIBS		:= arch/arm/lib/lib.a $(LIBS) $(GCCLIB)
DRIVERS		+= arch/arm/special/special.a

ifeq ($(CONFIG_ARCH_ACORN),y)
SUBDIRS		+= drivers/acorn/block drivers/acorn/char drivers/acorn/net \
		   drivers/acorn/scsi
DRIVERS		+= drivers/acorn/block/acorn-block.a \
		   drivers/acorn/char/acorn-char.a \
		   drivers/acorn/net/acorn-net.a \
		   drivers/acorn/scsi/acorn-scsi.a
endif

ifeq ($(CONFIG_NWFPE),y)
DRIVERS		+= arch/arm/nwfpe/math-emu.a
endif

MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot

symlinks::
	$(RM) include/asm-arm/arch include/asm-arm/proc
	(cd include/asm-arm; ln -sf arch-$(ARCHDIR) arch; ln -sf proc-$(PROCESSOR) proc)

arch/arm/kernel: dummy
	$(MAKE) linuxsubdirs SUBDIRS=arch/arm/kernel

arch/arm/mm: dummy
	$(MAKE) linuxsubdirs SUBDIRS=arch/arm/mm

arch/arm/lib: dummy
	$(MAKE) linuxsubdirs SUBDIRS=arch/arm/lib

zImage zinstall Image install: vmlinux
	@$(MAKEBOOT) $@

# Once we've finished integrating the sources, the @$(MAKE) will disappear
archmrproper:
	rm -f include/asm-arm/arch include/asm-arm/proc
	@$(MAKE) -C arch/$(ARCH)/special mrproper

archclean:
	@$(MAKEBOOT) clean
	$(RM) arch/arm/lib/constants.h

archdep:
	@$(MAKEBOOT) dep

# My testing targets (that short circuit a few dependencies)
zImg:;	@$(MAKEBOOT) zImage
Img:;	@$(MAKEBOOT) Image
i:;	@$(MAKEBOOT) install
zi:;	@$(MAKEBOOT) zinstall

a5k_config:
	$(RM) arch/arm/defconfig
	cp arch/arm/def-configs/a5k arch/arm/defconfig

ebsa110_config:
	$(RM) arch/arm/defconfig
	cp arch/arm/def-configs/ebsa110 arch/arm/defconfig

footbridge_config:
	$(RM) arch/arm/defconfig
	cp arch/arm/def-configs/footbridge arch/arm/defconfig

rpc_config:
	$(RM) arch/arm/defconfig
	cp arch/arm/def-configs/rpc arch/arm/defconfig