m68k: Add kexec support
[deliverable/linux.git] / arch / m68k / Kconfig
1 config M68K
2 bool
3 default y
4 select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
5 select HAVE_IDE
6 select HAVE_AOUT if MMU
7 select HAVE_DEBUG_BUGVERBOSE
8 select GENERIC_IRQ_SHOW
9 select GENERIC_ATOMIC64
10 select HAVE_UID16
11 select VIRT_TO_BUS
12 select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
13 select GENERIC_CPU_DEVICES
14 select GENERIC_IOMAP
15 select GENERIC_STRNCPY_FROM_USER if MMU
16 select GENERIC_STRNLEN_USER if MMU
17 select FPU if MMU
18 select ARCH_WANT_IPC_PARSE_VERSION
19 select ARCH_USES_GETTIMEOFFSET if MMU && !COLDFIRE
20 select HAVE_MOD_ARCH_SPECIFIC
21 select MODULES_USE_ELF_REL
22 select MODULES_USE_ELF_RELA
23 select OLD_SIGSUSPEND3
24 select OLD_SIGACTION
25
26 config RWSEM_GENERIC_SPINLOCK
27 bool
28 default y
29
30 config RWSEM_XCHGADD_ALGORITHM
31 bool
32
33 config ARCH_HAS_ILOG2_U32
34 bool
35
36 config ARCH_HAS_ILOG2_U64
37 bool
38
39 config GENERIC_HWEIGHT
40 bool
41 default y
42
43 config GENERIC_CALIBRATE_DELAY
44 bool
45 default y
46
47 config GENERIC_CSUM
48 bool
49
50 config TIME_LOW_RES
51 bool
52 default y
53
54 config NO_IOPORT
55 def_bool y
56
57 config NO_DMA
58 def_bool (MMU && SUN3) || (!MMU && !COLDFIRE)
59
60 config ZONE_DMA
61 bool
62 default y
63
64 config HZ
65 int
66 default 1000 if CLEOPATRA
67 default 100
68
69 source "init/Kconfig"
70
71 source "kernel/Kconfig.freezer"
72
73 config MMU
74 bool "MMU-based Paged Memory Management Support"
75 default y
76 help
77 Select if you want MMU-based virtualised addressing space
78 support by paged memory management. If unsure, say 'Y'.
79
80 config MMU_MOTOROLA
81 bool
82
83 config MMU_COLDFIRE
84 bool
85
86 config MMU_SUN3
87 bool
88 depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE
89
90 config KEXEC
91 bool "kexec system call"
92 depends on M68KCLASSIC
93 help
94 kexec is a system call that implements the ability to shutdown your
95 current kernel, and to start another kernel. It is like a reboot
96 but it is independent of the system firmware. And like a reboot
97 you can start any kernel with it, not just Linux.
98
99 The name comes from the similarity to the exec system call.
100
101 It is an ongoing process to be certain the hardware in a machine
102 is properly shutdown, so do not be surprised if this code does not
103 initially work for you. As of this writing the exact hardware
104 interface is strongly in flux, so no good recommendation can be
105 made.
106
107 menu "Platform setup"
108
109 source arch/m68k/Kconfig.cpu
110
111 source arch/m68k/Kconfig.machine
112
113 source arch/m68k/Kconfig.bus
114
115 endmenu
116
117 menu "Kernel Features"
118
119 if COLDFIRE
120 source "kernel/Kconfig.preempt"
121 endif
122
123 source "mm/Kconfig"
124
125 endmenu
126
127 menu "Executable file formats"
128
129 source "fs/Kconfig.binfmt"
130
131 endmenu
132
133 if !MMU
134 menu "Power management options"
135
136 config PM
137 bool "Power Management support"
138 help
139 Support processor power management modes
140
141 endmenu
142 endif
143
144 source "net/Kconfig"
145
146 source "drivers/Kconfig"
147
148 source "arch/m68k/Kconfig.devices"
149
150 source "fs/Kconfig"
151
152 source "arch/m68k/Kconfig.debug"
153
154 source "security/Kconfig"
155
156 source "crypto/Kconfig"
157
158 source "lib/Kconfig"
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