printk_ratelimit() functions should use CONFIG_PRINTK
[deliverable/linux.git] / arch / h8300 / Kconfig
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1#
2# For a description of the syntax of this configuration file,
e403149c 3# see Documentation/kbuild/kconfig-language.txt.
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4#
5
6mainmenu "uClinux/h8300 (w/o MMU) Kernel Configuration"
7
8config H8300
9 bool
10 default y
11
12config MMU
13 bool
14 default n
15
16config SWAP
17 bool
18 default n
19
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20config ZONE_DMA
21 bool
22 default y
23
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24config FPU
25 bool
26 default n
27
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28config RWSEM_GENERIC_SPINLOCK
29 bool
30 default y
31
32config RWSEM_XCHGADD_ALGORITHM
33 bool
34 default n
35
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DH
36config ARCH_HAS_ILOG2_U32
37 bool
38 default n
39
40config ARCH_HAS_ILOG2_U64
41 bool
42 default n
43
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AM
44config GENERIC_FIND_NEXT_BIT
45 bool
46 default y
47
48config GENERIC_HWEIGHT
49 bool
50 default y
51
c728d604
YS
52config GENERIC_HARDIRQS
53 bool
54 default y
55
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56config GENERIC_CALIBRATE_DELAY
57 bool
58 default y
59
aeecf314 60config GENERIC_TIME
61 bool
62 default y
63
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IM
64config TIME_LOW_RES
65 bool
66 default y
67
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68config ARCH_SUPPORTS_AOUT
69 def_bool y
70
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71config NO_IOPORT
72 def_bool y
73
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74config NO_DMA
75 def_bool y
76
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77config ISA
78 bool
79 default y
80
81config PCI
82 bool
83 default n
84
85source "init/Kconfig"
86
87source "arch/h8300/Kconfig.cpu"
88
89menu "Executable file formats"
90
91source "fs/Kconfig.binfmt"
92
93endmenu
94
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95source "net/Kconfig"
96
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97source "drivers/base/Kconfig"
98
99source "drivers/mtd/Kconfig"
100
101source "drivers/block/Kconfig"
102
103source "drivers/ide/Kconfig"
104
105source "arch/h8300/Kconfig.ide"
106
d5950b43 107source "drivers/net/Kconfig"
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108
109#
110# input - input/joystick depends on it. As does USB.
111#
112source "drivers/input/Kconfig"
113
114menu "Character devices"
115
116config VT
117 bool "Virtual terminal"
118 ---help---
119 If you say Y here, you will get support for terminal devices with
120 display and keyboard devices. These are called "virtual" because you
121 can run several virtual terminals (also called virtual consoles) on
122 one physical terminal. This is rather useful, for example one
123 virtual terminal can collect system messages and warnings, another
124 one can be used for a text-mode user session, and a third could run
125 an X session, all in parallel. Switching between virtual terminals
126 is done with certain key combinations, usually Alt-<function key>.
127
128 The setterm command ("man setterm") can be used to change the
129 properties (such as colors or beeping) of a virtual terminal. The
130 man page console_codes(4) ("man console_codes") contains the special
131 character sequences that can be used to change those properties
132 directly. The fonts used on virtual terminals can be changed with
133 the setfont ("man setfont") command and the key bindings are defined
134 with the loadkeys ("man loadkeys") command.
135
136 You need at least one virtual terminal device in order to make use
137 of your keyboard and monitor. Therefore, only people configuring an
138 embedded system would want to say N here in order to save some
139 memory; the only way to log into such a system is then via a serial
140 or network connection.
141
142 If unsure, say Y, or else you won't be able to do much with your new
143 shiny Linux system :-)
144
145config VT_CONSOLE
146 bool "Support for console on virtual terminal"
147 depends on VT
148 ---help---
149 The system console is the device which receives all kernel messages
150 and warnings and which allows logins in single user mode. If you
151 answer Y here, a virtual terminal (the device used to interact with
152 a physical terminal) can be used as system console. This is the most
153 common mode of operations, so you should say Y here unless you want
154 the kernel messages be output only to a serial port (in which case
155 you should say Y to "Console on serial port", below).
156
157 If you do say Y here, by default the currently visible virtual
158 terminal (/dev/tty0) will be used as system console. You can change
159 that with a kernel command line option such as "console=tty3" which
160 would use the third virtual terminal as system console. (Try "man
161 bootparam" or see the documentation of your boot loader (lilo or
162 loadlin) about how to pass options to the kernel at boot time.)
163
164 If unsure, say Y.
165
166config HW_CONSOLE
167 bool
168 depends on VT && !S390 && !UM
169 default y
170
171comment "Unix98 PTY support"
172
173config UNIX98_PTYS
174 bool "Unix98 PTY support"
175 ---help---
176 A pseudo terminal (PTY) is a software device consisting of two
177 halves: a master and a slave. The slave device behaves identical to
178 a physical terminal; the master device is used by a process to
179 read data from and write data to the slave, thereby emulating a
180 terminal. Typical programs for the master side are telnet servers
181 and xterms.
182
183 Linux has traditionally used the BSD-like names /dev/ptyxx for
184 masters and /dev/ttyxx for slaves of pseudo terminals. This scheme
185 has a number of problems. The GNU C library glibc 2.1 and later,
186 however, supports the Unix98 naming standard: in order to acquire a
187 pseudo terminal, a process opens /dev/ptmx; the number of the pseudo
188 terminal is then made available to the process and the pseudo
189 terminal slave can be accessed as /dev/pts/<number>. What was
190 traditionally /dev/ttyp2 will then be /dev/pts/2, for example.
191
192 The entries in /dev/pts/ are created on the fly by a virtual
193 file system; therefore, if you say Y here you should say Y to
194 "/dev/pts file system for Unix98 PTYs" as well.
195
196 If you want to say Y here, you need to have the C library glibc 2.1
197 or later (equal to libc-6.1, check with "ls -l /lib/libc.so.*").
198 Read the instructions in <file:Documentation/Changes> pertaining to
199 pseudo terminals. It's safe to say N.
200
201config UNIX98_PTY_COUNT
202 int "Maximum number of Unix98 PTYs in use (0-2048)"
203 depends on UNIX98_PTYS
204 default "256"
205 help
206 The maximum number of Unix98 PTYs that can be used at any one time.
207 The default is 256, and should be enough for desktop systems. Server
208 machines which support incoming telnet/rlogin/ssh connections and/or
209 serve several X terminals may want to increase this: every incoming
210 connection and every xterm uses up one PTY.
211
212 When not in use, each additional set of 256 PTYs occupy
213 approximately 8 KB of kernel memory on 32-bit architectures.
214
215source "drivers/char/pcmcia/Kconfig"
216
217source "drivers/serial/Kconfig"
218
219source "drivers/i2c/Kconfig"
220
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221source "drivers/hwmon/Kconfig"
222
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223source "drivers/usb/Kconfig"
224
225endmenu
226
227source "fs/Kconfig"
228
229source "arch/h8300/Kconfig.debug"
230
231source "security/Kconfig"
232
233source "crypto/Kconfig"
234
235source "lib/Kconfig"
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