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 #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)) 24 25 extern int memory_end_set; 26 extern unsigned long memory_end; 27 extern unsigned long max_physmem_end; 28 29 extern void detect_memory_memblock(void); 30 31 /* 32 * Machine features detected in head.S 33 */ 34 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) 53 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) 57 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 62 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) 73 74 /* 75 * Console mode. Override with conmode= 76 */ 77 extern unsigned int console_mode; 78 extern unsigned int console_devno; 79 extern unsigned int console_irq; 80 81 extern char vmhalt_cmd[]; 82 extern char vmpoff_cmd[]; 83 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) 91 92 #define NSS_NAME_SIZE 8 93 extern char kernel_nss_name[]; 94 95 #ifdef CONFIG_PFAULT 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 */ 102 103 extern void cmma_init(void); 104 105 extern void (*_machine_restart)(char *command); 106 extern void (*_machine_halt)(void); 107 extern void (*_machine_power_off)(void); 108 109 #else /* __ASSEMBLY__ */ 110 111 #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 117 118 #endif /* __ASSEMBLY__ */ 119 #endif /* _ASM_S390_SETUP_H */ 120