3 * Copyright IBM Corp. 1999, 2010
5 #ifndef _ASM_S390_SETUP_H
6 #define _ASM_S390_SETUP_H
8 #include <uapi/asm/setup.h>
11 #define PARMAREA 0x10400
15 #include <asm/lowcore.h>
16 #include <asm/types.h>
18 #define IPL_DEVICE (*(unsigned long *) (0x10400))
19 #define INITRD_START (*(unsigned long *) (0x10408))
20 #define INITRD_SIZE (*(unsigned long *) (0x10410))
21 #define OLDMEM_BASE (*(unsigned long *) (0x10418))
22 #define OLDMEM_SIZE (*(unsigned long *) (0x10420))
23 #define COMMAND_LINE ((char *) (0x10480))
25 extern int memory_end_set;
26 extern unsigned long memory_end;
27 extern unsigned long max_physmem_end;
29 extern void detect_memory_memblock(void);
32 * Machine features detected in head.S
35 #define MACHINE_FLAG_VM (1UL << 0)
36 #define MACHINE_FLAG_IEEE (1UL << 1)
37 #define MACHINE_FLAG_CSP (1UL << 2)
38 #define MACHINE_FLAG_MVPG (1UL << 3)
39 #define MACHINE_FLAG_DIAG44 (1UL << 4)
40 #define MACHINE_FLAG_IDTE (1UL << 5)
41 #define MACHINE_FLAG_DIAG9C (1UL << 6)
42 #define MACHINE_FLAG_KVM (1UL << 8)
43 #define MACHINE_FLAG_ESOP (1UL << 9)
44 #define MACHINE_FLAG_EDAT1 (1UL << 10)
45 #define MACHINE_FLAG_EDAT2 (1UL << 11)
46 #define MACHINE_FLAG_LPAR (1UL << 12)
47 #define MACHINE_FLAG_LPP (1UL << 13)
48 #define MACHINE_FLAG_TOPOLOGY (1UL << 14)
49 #define MACHINE_FLAG_TE (1UL << 15)
50 #define MACHINE_FLAG_TLB_LC (1UL << 17)
51 #define MACHINE_FLAG_VX (1UL << 18)
52 #define MACHINE_FLAG_CAD (1UL << 19)
54 #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
55 #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
56 #define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
58 #define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
59 #define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
60 #define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1
61 #define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1
63 #define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
64 #define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
65 #define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
66 #define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
67 #define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
68 #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
69 #define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
70 #define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
71 #define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX)
72 #define MACHINE_HAS_CAD (S390_lowcore.machine_flags & MACHINE_FLAG_CAD)
75 * Console mode. Override with conmode=
77 extern unsigned int console_mode;
78 extern unsigned int console_devno;
79 extern unsigned int console_irq;
81 extern char vmhalt_cmd[];
82 extern char vmpoff_cmd[];
84 #define CONSOLE_IS_UNDEFINED (console_mode == 0)
85 #define CONSOLE_IS_SCLP (console_mode == 1)
86 #define CONSOLE_IS_3215 (console_mode == 2)
87 #define CONSOLE_IS_3270 (console_mode == 3)
88 #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
89 #define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
90 #define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
92 #define NSS_NAME_SIZE 8
93 extern char kernel_nss_name[];
96 extern int pfault_init(void);
97 extern void pfault_fini(void);
98 #else /* CONFIG_PFAULT */
99 #define pfault_init() ({-1;})
100 #define pfault_fini() do { } while (0)
101 #endif /* CONFIG_PFAULT */
103 extern void cmma_init(void);
105 extern void (*_machine_restart)(char *command);
106 extern void (*_machine_halt)(void);
107 extern void (*_machine_power_off)(void);
109 #else /* __ASSEMBLY__ */
111 #define IPL_DEVICE 0x10400
112 #define INITRD_START 0x10408
113 #define INITRD_SIZE 0x10410
114 #define OLDMEM_BASE 0x10418
115 #define OLDMEM_SIZE 0x10420
116 #define COMMAND_LINE 0x10480
118 #endif /* __ASSEMBLY__ */
119 #endif /* _ASM_S390_SETUP_H */