1 /* 2 * include/asm-s390/setup.h 3 * 4 * S390 version 5 * Copyright IBM Corp. 1999,2010 6 */ 7 8 #ifndef _ASM_S390_SETUP_H 9 #define _ASM_S390_SETUP_H 10 11 #define COMMAND_LINE_SIZE 4096 12 13 #define ARCH_COMMAND_LINE_SIZE 896 14 15 #ifdef __KERNEL__ 16 17 #define PARMAREA 0x10400 18 #define MEMORY_CHUNKS 256 19 20 #ifndef __ASSEMBLY__ 21 22 #include <asm/lowcore.h> 23 #include <asm/types.h> 24 25 #ifndef __s390x__ 26 #define IPL_DEVICE (*(unsigned long *) (0x10404)) 27 #define INITRD_START (*(unsigned long *) (0x1040C)) 28 #define INITRD_SIZE (*(unsigned long *) (0x10414)) 29 #define OLDMEM_BASE (*(unsigned long *) (0x1041C)) 30 #define OLDMEM_SIZE (*(unsigned long *) (0x10424)) 31 #else /* __s390x__ */ 32 #define IPL_DEVICE (*(unsigned long *) (0x10400)) 33 #define INITRD_START (*(unsigned long *) (0x10408)) 34 #define INITRD_SIZE (*(unsigned long *) (0x10410)) 35 #define OLDMEM_BASE (*(unsigned long *) (0x10418)) 36 #define OLDMEM_SIZE (*(unsigned long *) (0x10420)) 37 #endif /* __s390x__ */ 38 #define COMMAND_LINE ((char *) (0x10480)) 39 40 #define CHUNK_READ_WRITE 0 41 #define CHUNK_READ_ONLY 1 42 #define CHUNK_OLDMEM 4 43 #define CHUNK_CRASHK 5 44 45 struct mem_chunk { 46 unsigned long addr; 47 unsigned long size; 48 int type; 49 }; 50 51 extern struct mem_chunk memory_chunk[]; 52 extern unsigned long real_memory_size; 53 extern int memory_end_set; 54 extern unsigned long memory_end; 55 56 void detect_memory_layout(struct mem_chunk chunk[]); 57 void create_mem_hole(struct mem_chunk memory_chunk[], unsigned long addr, 58 unsigned long size, int type); 59 60 #define PRIMARY_SPACE_MODE 0 61 #define ACCESS_REGISTER_MODE 1 62 #define SECONDARY_SPACE_MODE 2 63 #define HOME_SPACE_MODE 3 64 65 extern unsigned int user_mode; 66 67 /* 68 * Machine features detected in head.S 69 */ 70 71 #define MACHINE_FLAG_VM (1UL << 0) 72 #define MACHINE_FLAG_IEEE (1UL << 1) 73 #define MACHINE_FLAG_CSP (1UL << 3) 74 #define MACHINE_FLAG_MVPG (1UL << 4) 75 #define MACHINE_FLAG_DIAG44 (1UL << 5) 76 #define MACHINE_FLAG_IDTE (1UL << 6) 77 #define MACHINE_FLAG_DIAG9C (1UL << 7) 78 #define MACHINE_FLAG_MVCOS (1UL << 8) 79 #define MACHINE_FLAG_KVM (1UL << 9) 80 #define MACHINE_FLAG_HPAGE (1UL << 10) 81 #define MACHINE_FLAG_PFMF (1UL << 11) 82 #define MACHINE_FLAG_LPAR (1UL << 12) 83 #define MACHINE_FLAG_SPP (1UL << 13) 84 #define MACHINE_FLAG_TOPOLOGY (1UL << 14) 85 86 #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) 87 #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) 88 #define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) 89 90 #define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) 91 92 #ifndef __s390x__ 93 #define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE) 94 #define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP) 95 #define MACHINE_HAS_IDTE (0) 96 #define MACHINE_HAS_DIAG44 (1) 97 #define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG) 98 #define MACHINE_HAS_MVCOS (0) 99 #define MACHINE_HAS_HPAGE (0) 100 #define MACHINE_HAS_PFMF (0) 101 #define MACHINE_HAS_SPP (0) 102 #define MACHINE_HAS_TOPOLOGY (0) 103 #else /* __s390x__ */ 104 #define MACHINE_HAS_IEEE (1) 105 #define MACHINE_HAS_CSP (1) 106 #define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) 107 #define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44) 108 #define MACHINE_HAS_MVPG (1) 109 #define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS) 110 #define MACHINE_HAS_HPAGE (S390_lowcore.machine_flags & MACHINE_FLAG_HPAGE) 111 #define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF) 112 #define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) 113 #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) 114 #endif /* __s390x__ */ 115 116 #define ZFCPDUMP_HSA_SIZE (32UL<<20) 117 #define ZFCPDUMP_HSA_SIZE_MAX (64UL<<20) 118 119 /* 120 * Console mode. Override with conmode= 121 */ 122 extern unsigned int console_mode; 123 extern unsigned int console_devno; 124 extern unsigned int console_irq; 125 126 extern char vmhalt_cmd[]; 127 extern char vmpoff_cmd[]; 128 129 #define CONSOLE_IS_UNDEFINED (console_mode == 0) 130 #define CONSOLE_IS_SCLP (console_mode == 1) 131 #define CONSOLE_IS_3215 (console_mode == 2) 132 #define CONSOLE_IS_3270 (console_mode == 3) 133 #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) 134 #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) 135 #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) 136 137 #define NSS_NAME_SIZE 8 138 extern char kernel_nss_name[]; 139 140 #else /* __ASSEMBLY__ */ 141 142 #ifndef __s390x__ 143 #define IPL_DEVICE 0x10404 144 #define INITRD_START 0x1040C 145 #define INITRD_SIZE 0x10414 146 #define OLDMEM_BASE 0x1041C 147 #define OLDMEM_SIZE 0x10424 148 #else /* __s390x__ */ 149 #define IPL_DEVICE 0x10400 150 #define INITRD_START 0x10408 151 #define INITRD_SIZE 0x10410 152 #define OLDMEM_BASE 0x10418 153 #define OLDMEM_SIZE 0x10420 154 #endif /* __s390x__ */ 155 #define COMMAND_LINE 0x10480 156 157 #endif /* __ASSEMBLY__ */ 158 #endif /* __KERNEL__ */ 159 #endif /* _ASM_S390_SETUP_H */ 160