Linux kernel mirror (for testing)
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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#define MEMORY_CHUNKS 256
13
14#ifndef __ASSEMBLY__
15
16#include <asm/lowcore.h>
17#include <asm/types.h>
18
19#ifndef CONFIG_64BIT
20#define IPL_DEVICE (*(unsigned long *) (0x10404))
21#define INITRD_START (*(unsigned long *) (0x1040C))
22#define INITRD_SIZE (*(unsigned long *) (0x10414))
23#define OLDMEM_BASE (*(unsigned long *) (0x1041C))
24#define OLDMEM_SIZE (*(unsigned long *) (0x10424))
25#else /* CONFIG_64BIT */
26#define IPL_DEVICE (*(unsigned long *) (0x10400))
27#define INITRD_START (*(unsigned long *) (0x10408))
28#define INITRD_SIZE (*(unsigned long *) (0x10410))
29#define OLDMEM_BASE (*(unsigned long *) (0x10418))
30#define OLDMEM_SIZE (*(unsigned long *) (0x10420))
31#endif /* CONFIG_64BIT */
32#define COMMAND_LINE ((char *) (0x10480))
33
34#define CHUNK_READ_WRITE 0
35#define CHUNK_READ_ONLY 1
36
37struct mem_chunk {
38 unsigned long addr;
39 unsigned long size;
40 int type;
41};
42
43extern struct mem_chunk memory_chunk[];
44extern int memory_end_set;
45extern unsigned long memory_end;
46
47void detect_memory_layout(struct mem_chunk chunk[], unsigned long maxsize);
48void create_mem_hole(struct mem_chunk mem_chunk[], unsigned long addr,
49 unsigned long size);
50
51/*
52 * Machine features detected in head.S
53 */
54
55#define MACHINE_FLAG_VM (1UL << 0)
56#define MACHINE_FLAG_IEEE (1UL << 1)
57#define MACHINE_FLAG_CSP (1UL << 2)
58#define MACHINE_FLAG_MVPG (1UL << 3)
59#define MACHINE_FLAG_DIAG44 (1UL << 4)
60#define MACHINE_FLAG_IDTE (1UL << 5)
61#define MACHINE_FLAG_DIAG9C (1UL << 6)
62#define MACHINE_FLAG_MVCOS (1UL << 7)
63#define MACHINE_FLAG_KVM (1UL << 8)
64#define MACHINE_FLAG_ESOP (1UL << 9)
65#define MACHINE_FLAG_EDAT1 (1UL << 10)
66#define MACHINE_FLAG_EDAT2 (1UL << 11)
67#define MACHINE_FLAG_LPAR (1UL << 12)
68#define MACHINE_FLAG_LPP (1UL << 13)
69#define MACHINE_FLAG_TOPOLOGY (1UL << 14)
70#define MACHINE_FLAG_TE (1UL << 15)
71#define MACHINE_FLAG_RRBM (1UL << 16)
72
73#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
74#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
75#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
76
77#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
78#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
79#define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1
80#define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1
81
82#ifndef CONFIG_64BIT
83#define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE)
84#define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP)
85#define MACHINE_HAS_IDTE (0)
86#define MACHINE_HAS_DIAG44 (1)
87#define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG)
88#define MACHINE_HAS_MVCOS (0)
89#define MACHINE_HAS_EDAT1 (0)
90#define MACHINE_HAS_EDAT2 (0)
91#define MACHINE_HAS_LPP (0)
92#define MACHINE_HAS_TOPOLOGY (0)
93#define MACHINE_HAS_TE (0)
94#define MACHINE_HAS_RRBM (0)
95#else /* CONFIG_64BIT */
96#define MACHINE_HAS_IEEE (1)
97#define MACHINE_HAS_CSP (1)
98#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
99#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
100#define MACHINE_HAS_MVPG (1)
101#define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS)
102#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
103#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
104#define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
105#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
106#define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
107#define MACHINE_HAS_RRBM (S390_lowcore.machine_flags & MACHINE_FLAG_RRBM)
108#endif /* CONFIG_64BIT */
109
110/*
111 * Console mode. Override with conmode=
112 */
113extern unsigned int console_mode;
114extern unsigned int console_devno;
115extern unsigned int console_irq;
116
117extern char vmhalt_cmd[];
118extern char vmpoff_cmd[];
119
120#define CONSOLE_IS_UNDEFINED (console_mode == 0)
121#define CONSOLE_IS_SCLP (console_mode == 1)
122#define CONSOLE_IS_3215 (console_mode == 2)
123#define CONSOLE_IS_3270 (console_mode == 3)
124#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
125#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
126#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
127
128#define NSS_NAME_SIZE 8
129extern char kernel_nss_name[];
130
131#ifdef CONFIG_PFAULT
132extern int pfault_init(void);
133extern void pfault_fini(void);
134#else /* CONFIG_PFAULT */
135#define pfault_init() ({-1;})
136#define pfault_fini() do { } while (0)
137#endif /* CONFIG_PFAULT */
138
139extern void cmma_init(void);
140
141extern void (*_machine_restart)(char *command);
142extern void (*_machine_halt)(void);
143extern void (*_machine_power_off)(void);
144
145#else /* __ASSEMBLY__ */
146
147#ifndef CONFIG_64BIT
148#define IPL_DEVICE 0x10404
149#define INITRD_START 0x1040C
150#define INITRD_SIZE 0x10414
151#define OLDMEM_BASE 0x1041C
152#define OLDMEM_SIZE 0x10424
153#else /* CONFIG_64BIT */
154#define IPL_DEVICE 0x10400
155#define INITRD_START 0x10408
156#define INITRD_SIZE 0x10410
157#define OLDMEM_BASE 0x10418
158#define OLDMEM_SIZE 0x10420
159#endif /* CONFIG_64BIT */
160#define COMMAND_LINE 0x10480
161
162#endif /* __ASSEMBLY__ */
163#endif /* _ASM_S390_SETUP_H */