Linux kernel mirror (for testing)
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linux
1/*
2 * S390 version
3 * Copyright IBM Corp. 1999, 2010
4 */
5#ifndef _ASM_S390_SETUP_H
6#define _ASM_S390_SETUP_H
7
8#include <uapi/asm/setup.h>
9
10
11#define PARMAREA 0x10400
12
13#ifndef __ASSEMBLY__
14
15#include <asm/lowcore.h>
16#include <asm/types.h>
17
18#ifndef CONFIG_64BIT
19#define IPL_DEVICE (*(unsigned long *) (0x10404))
20#define INITRD_START (*(unsigned long *) (0x1040C))
21#define INITRD_SIZE (*(unsigned long *) (0x10414))
22#define OLDMEM_BASE (*(unsigned long *) (0x1041C))
23#define OLDMEM_SIZE (*(unsigned long *) (0x10424))
24#else /* CONFIG_64BIT */
25#define IPL_DEVICE (*(unsigned long *) (0x10400))
26#define INITRD_START (*(unsigned long *) (0x10408))
27#define INITRD_SIZE (*(unsigned long *) (0x10410))
28#define OLDMEM_BASE (*(unsigned long *) (0x10418))
29#define OLDMEM_SIZE (*(unsigned long *) (0x10420))
30#endif /* CONFIG_64BIT */
31#define COMMAND_LINE ((char *) (0x10480))
32
33extern int memory_end_set;
34extern unsigned long memory_end;
35extern unsigned long max_physmem_end;
36
37extern void detect_memory_memblock(void);
38
39/*
40 * Machine features detected in head.S
41 */
42
43#define MACHINE_FLAG_VM (1UL << 0)
44#define MACHINE_FLAG_IEEE (1UL << 1)
45#define MACHINE_FLAG_CSP (1UL << 2)
46#define MACHINE_FLAG_MVPG (1UL << 3)
47#define MACHINE_FLAG_DIAG44 (1UL << 4)
48#define MACHINE_FLAG_IDTE (1UL << 5)
49#define MACHINE_FLAG_DIAG9C (1UL << 6)
50#define MACHINE_FLAG_KVM (1UL << 8)
51#define MACHINE_FLAG_ESOP (1UL << 9)
52#define MACHINE_FLAG_EDAT1 (1UL << 10)
53#define MACHINE_FLAG_EDAT2 (1UL << 11)
54#define MACHINE_FLAG_LPAR (1UL << 12)
55#define MACHINE_FLAG_LPP (1UL << 13)
56#define MACHINE_FLAG_TOPOLOGY (1UL << 14)
57#define MACHINE_FLAG_TE (1UL << 15)
58#define MACHINE_FLAG_TLB_LC (1UL << 17)
59#define MACHINE_FLAG_VX (1UL << 18)
60#define MACHINE_FLAG_CAD (1UL << 19)
61
62#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
63#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
64#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
65
66#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
67#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
68#define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1
69#define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1
70
71#ifndef CONFIG_64BIT
72#define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE)
73#define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP)
74#define MACHINE_HAS_IDTE (0)
75#define MACHINE_HAS_DIAG44 (1)
76#define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG)
77#define MACHINE_HAS_EDAT1 (0)
78#define MACHINE_HAS_EDAT2 (0)
79#define MACHINE_HAS_LPP (0)
80#define MACHINE_HAS_TOPOLOGY (0)
81#define MACHINE_HAS_TE (0)
82#define MACHINE_HAS_TLB_LC (0)
83#define MACHINE_HAS_VX (0)
84#define MACHINE_HAS_CAD (0)
85#else /* CONFIG_64BIT */
86#define MACHINE_HAS_IEEE (1)
87#define MACHINE_HAS_CSP (1)
88#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
89#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
90#define MACHINE_HAS_MVPG (1)
91#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
92#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
93#define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
94#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
95#define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
96#define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
97#define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX)
98#define MACHINE_HAS_CAD (S390_lowcore.machine_flags & MACHINE_FLAG_CAD)
99#endif /* CONFIG_64BIT */
100
101/*
102 * Console mode. Override with conmode=
103 */
104extern unsigned int console_mode;
105extern unsigned int console_devno;
106extern unsigned int console_irq;
107
108extern char vmhalt_cmd[];
109extern char vmpoff_cmd[];
110
111#define CONSOLE_IS_UNDEFINED (console_mode == 0)
112#define CONSOLE_IS_SCLP (console_mode == 1)
113#define CONSOLE_IS_3215 (console_mode == 2)
114#define CONSOLE_IS_3270 (console_mode == 3)
115#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
116#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
117#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
118
119#define NSS_NAME_SIZE 8
120extern char kernel_nss_name[];
121
122#ifdef CONFIG_PFAULT
123extern int pfault_init(void);
124extern void pfault_fini(void);
125#else /* CONFIG_PFAULT */
126#define pfault_init() ({-1;})
127#define pfault_fini() do { } while (0)
128#endif /* CONFIG_PFAULT */
129
130extern void cmma_init(void);
131
132extern void (*_machine_restart)(char *command);
133extern void (*_machine_halt)(void);
134extern void (*_machine_power_off)(void);
135
136#else /* __ASSEMBLY__ */
137
138#ifndef CONFIG_64BIT
139#define IPL_DEVICE 0x10404
140#define INITRD_START 0x1040C
141#define INITRD_SIZE 0x10414
142#define OLDMEM_BASE 0x1041C
143#define OLDMEM_SIZE 0x10424
144#else /* CONFIG_64BIT */
145#define IPL_DEVICE 0x10400
146#define INITRD_START 0x10408
147#define INITRD_SIZE 0x10410
148#define OLDMEM_BASE 0x10418
149#define OLDMEM_SIZE 0x10420
150#endif /* CONFIG_64BIT */
151#define COMMAND_LINE 0x10480
152
153#endif /* __ASSEMBLY__ */
154#endif /* _ASM_S390_SETUP_H */