forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
setup.h
119 lines (96 loc) · 2.94 KB
/
setup.h
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
/*
* include/asm-s390/setup.h
*
* S390 version
* Copyright IBM Corp. 1999,2006
*/
#ifndef _ASM_S390_SETUP_H
#define _ASM_S390_SETUP_H
#define COMMAND_LINE_SIZE 896
#ifdef __KERNEL__
#include <asm/types.h>
#define PARMAREA 0x10400
#define MEMORY_CHUNKS 16 /* max 0x7fff */
#ifndef __ASSEMBLY__
#ifndef __s390x__
#define IPL_DEVICE (*(unsigned long *) (0x10404))
#define INITRD_START (*(unsigned long *) (0x1040C))
#define INITRD_SIZE (*(unsigned long *) (0x10414))
#else /* __s390x__ */
#define IPL_DEVICE (*(unsigned long *) (0x10400))
#define INITRD_START (*(unsigned long *) (0x10408))
#define INITRD_SIZE (*(unsigned long *) (0x10410))
#endif /* __s390x__ */
#define COMMAND_LINE ((char *) (0x10480))
#define CHUNK_READ_WRITE 0
#define CHUNK_READ_ONLY 1
struct mem_chunk {
unsigned long addr;
unsigned long size;
unsigned long type;
};
extern struct mem_chunk memory_chunk[];
extern unsigned long real_memory_size;
#ifdef CONFIG_S390_SWITCH_AMODE
extern unsigned int switch_amode;
#else
#define switch_amode (0)
#endif
#ifdef CONFIG_S390_EXEC_PROTECT
extern unsigned int s390_noexec;
#else
#define s390_noexec (0)
#endif
/*
* Machine features detected in head.S
*/
extern unsigned long machine_flags;
#define MACHINE_IS_VM (machine_flags & 1)
#define MACHINE_IS_P390 (machine_flags & 4)
#define MACHINE_HAS_MVPG (machine_flags & 16)
#define MACHINE_HAS_IDTE (machine_flags & 128)
#define MACHINE_HAS_DIAG9C (machine_flags & 256)
#ifndef __s390x__
#define MACHINE_HAS_IEEE (machine_flags & 2)
#define MACHINE_HAS_CSP (machine_flags & 8)
#define MACHINE_HAS_DIAG44 (1)
#define MACHINE_HAS_MVCOS (0)
#else /* __s390x__ */
#define MACHINE_HAS_IEEE (1)
#define MACHINE_HAS_CSP (1)
#define MACHINE_HAS_DIAG44 (machine_flags & 32)
#define MACHINE_HAS_MVCOS (machine_flags & 512)
#endif /* __s390x__ */
#define MACHINE_HAS_SCLP (!MACHINE_IS_P390)
#define ZFCPDUMP_HSA_SIZE (32UL<<20)
/*
* Console mode. Override with conmode=
*/
extern unsigned int console_mode;
extern unsigned int console_devno;
extern unsigned int console_irq;
extern char vmhalt_cmd[];
extern char vmpoff_cmd[];
#define CONSOLE_IS_UNDEFINED (console_mode == 0)
#define CONSOLE_IS_SCLP (console_mode == 1)
#define CONSOLE_IS_3215 (console_mode == 2)
#define CONSOLE_IS_3270 (console_mode == 3)
#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
#define NSS_NAME_SIZE 8
extern char kernel_nss_name[];
#else /* __ASSEMBLY__ */
#ifndef __s390x__
#define IPL_DEVICE 0x10404
#define INITRD_START 0x1040C
#define INITRD_SIZE 0x10414
#else /* __s390x__ */
#define IPL_DEVICE 0x10400
#define INITRD_START 0x10408
#define INITRD_SIZE 0x10410
#endif /* __s390x__ */
#define COMMAND_LINE 0x10480
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_S390_SETUP_H */