Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
[deliverable/linux.git] / arch / s390 / include / asm / setup.h
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1/*
2 * include/asm-s390/setup.h
3 *
4 * S390 version
36a2bd42 5 * Copyright IBM Corp. 1999,2006
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6 */
7
8#ifndef _ASM_S390_SETUP_H
9#define _ASM_S390_SETUP_H
10
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11#define COMMAND_LINE_SIZE 1024
12
13#define ARCH_COMMAND_LINE_SIZE 896
7d1362c0 14
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15#ifdef __KERNEL__
16
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17#include <asm/types.h>
18
1da177e4 19#define PARMAREA 0x10400
23d17421 20#define MEMORY_CHUNKS 256
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21
22#ifndef __ASSEMBLY__
23
24#ifndef __s390x__
25#define IPL_DEVICE (*(unsigned long *) (0x10404))
26#define INITRD_START (*(unsigned long *) (0x1040C))
27#define INITRD_SIZE (*(unsigned long *) (0x10414))
28#else /* __s390x__ */
29#define IPL_DEVICE (*(unsigned long *) (0x10400))
30#define INITRD_START (*(unsigned long *) (0x10408))
31#define INITRD_SIZE (*(unsigned long *) (0x10410))
32#endif /* __s390x__ */
33#define COMMAND_LINE ((char *) (0x10480))
34
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35#define CHUNK_READ_WRITE 0
36#define CHUNK_READ_ONLY 1
37
38struct mem_chunk {
39 unsigned long addr;
40 unsigned long size;
23d17421 41 int type;
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42};
43
44extern struct mem_chunk memory_chunk[];
411ed322 45extern unsigned long real_memory_size;
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46extern int memory_end_set;
47extern unsigned long memory_end;
36a2bd42 48
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49void detect_memory_layout(struct mem_chunk chunk[]);
50
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51#ifdef CONFIG_S390_SWITCH_AMODE
52extern unsigned int switch_amode;
53#else
54#define switch_amode (0)
55#endif
56
57#ifdef CONFIG_S390_EXEC_PROTECT
58extern unsigned int s390_noexec;
59#else
60#define s390_noexec (0)
61#endif
62
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63/*
64 * Machine features detected in head.S
65 */
66extern unsigned long machine_flags;
67
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68#define MACHINE_FLAG_VM (1UL << 0)
69#define MACHINE_FLAG_IEEE (1UL << 1)
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70#define MACHINE_FLAG_CSP (1UL << 3)
71#define MACHINE_FLAG_MVPG (1UL << 4)
72#define MACHINE_FLAG_DIAG44 (1UL << 5)
73#define MACHINE_FLAG_IDTE (1UL << 6)
74#define MACHINE_FLAG_DIAG9C (1UL << 7)
75#define MACHINE_FLAG_MVCOS (1UL << 8)
76#define MACHINE_FLAG_KVM (1UL << 9)
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77#define MACHINE_FLAG_HPAGE (1UL << 10)
78#define MACHINE_FLAG_PFMF (1UL << 11)
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79
80#define MACHINE_IS_VM (machine_flags & MACHINE_FLAG_VM)
81#define MACHINE_IS_KVM (machine_flags & MACHINE_FLAG_KVM)
2e5061e4 82#define MACHINE_HAS_DIAG9C (machine_flags & MACHINE_FLAG_DIAG9C)
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83
84#ifndef __s390x__
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85#define MACHINE_HAS_IEEE (machine_flags & MACHINE_FLAG_IEEE)
86#define MACHINE_HAS_CSP (machine_flags & MACHINE_FLAG_CSP)
87#define MACHINE_HAS_IDTE (0)
abdba61a 88#define MACHINE_HAS_DIAG44 (1)
2e5061e4 89#define MACHINE_HAS_MVPG (machine_flags & MACHINE_FLAG_MVPG)
6c2a9e6d 90#define MACHINE_HAS_MVCOS (0)
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91#define MACHINE_HAS_HPAGE (0)
92#define MACHINE_HAS_PFMF (0)
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93#else /* __s390x__ */
94#define MACHINE_HAS_IEEE (1)
95#define MACHINE_HAS_CSP (1)
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96#define MACHINE_HAS_IDTE (machine_flags & MACHINE_FLAG_IDTE)
97#define MACHINE_HAS_DIAG44 (machine_flags & MACHINE_FLAG_DIAG44)
98#define MACHINE_HAS_MVPG (1)
99#define MACHINE_HAS_MVCOS (machine_flags & MACHINE_FLAG_MVCOS)
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100#define MACHINE_HAS_HPAGE (machine_flags & MACHINE_FLAG_HPAGE)
101#define MACHINE_HAS_PFMF (machine_flags & MACHINE_FLAG_PFMF)
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102#endif /* __s390x__ */
103
411ed322 104#define ZFCPDUMP_HSA_SIZE (32UL<<20)
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105
106/*
107 * Console mode. Override with conmode=
108 */
109extern unsigned int console_mode;
110extern unsigned int console_devno;
111extern unsigned int console_irq;
112
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113extern char vmhalt_cmd[];
114extern char vmpoff_cmd[];
115
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116#define CONSOLE_IS_UNDEFINED (console_mode == 0)
117#define CONSOLE_IS_SCLP (console_mode == 1)
118#define CONSOLE_IS_3215 (console_mode == 2)
119#define CONSOLE_IS_3270 (console_mode == 3)
120#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
121#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
122#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
123
fe355b7f 124#define NSS_NAME_SIZE 8
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125extern char kernel_nss_name[];
126
0defa3c1 127#else /* __ASSEMBLY__ */
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128
129#ifndef __s390x__
130#define IPL_DEVICE 0x10404
131#define INITRD_START 0x1040C
132#define INITRD_SIZE 0x10414
133#else /* __s390x__ */
134#define IPL_DEVICE 0x10400
135#define INITRD_START 0x10408
136#define INITRD_SIZE 0x10410
137#endif /* __s390x__ */
138#define COMMAND_LINE 0x10480
139
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140#endif /* __ASSEMBLY__ */
141#endif /* __KERNEL__ */
142#endif /* _ASM_S390_SETUP_H */
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