/* * include/asm-s390/setup.h * * S390 version * Copyright IBM Corp. 1999,2006 */ #ifndef _ASM_S390_SETUP_H #define _ASM_S390_SETUP_H #define COMMAND_LINE_SIZE 896 #ifdef __KERNEL__ #include <asm/types.h> #define PARMAREA 0x10400 #define MEMORY_CHUNKS 16 /* max 0x7fff */ #ifndef __ASSEMBLY__ #ifndef __s390x__ #define IPL_DEVICE (*(unsigned long *) (0x10404)) #define INITRD_START (*(unsigned long *) (0x1040C)) #define INITRD_SIZE (*(unsigned long *) (0x10414)) #else /* __s390x__ */ #define IPL_DEVICE (*(unsigned long *) (0x10400)) #define INITRD_START (*(unsigned long *) (0x10408)) #define INITRD_SIZE (*(unsigned long *) (0x10410)) #endif /* __s390x__ */ #define COMMAND_LINE ((char *) (0x10480)) #define CHUNK_READ_WRITE 0 #define CHUNK_READ_ONLY 1 struct mem_chunk { unsigned long addr; unsigned long size; unsigned long type; }; extern struct mem_chunk memory_chunk[]; extern unsigned long real_memory_size; #ifdef CONFIG_S390_SWITCH_AMODE extern unsigned int switch_amode; #else #define switch_amode (0) #endif #ifdef CONFIG_S390_EXEC_PROTECT extern unsigned int s390_noexec; #else #define s390_noexec (0) #endif /* * Machine features detected in head.S */ extern unsigned long machine_flags; #define MACHINE_IS_VM (machine_flags & 1) #define MACHINE_IS_P390 (machine_flags & 4) #define MACHINE_HAS_MVPG (machine_flags & 16) #define MACHINE_HAS_IDTE (machine_flags & 128) #define MACHINE_HAS_DIAG9C (machine_flags & 256) #ifndef __s390x__ #define MACHINE_HAS_IEEE (machine_flags & 2) #define MACHINE_HAS_CSP (machine_flags & 8) #define MACHINE_HAS_DIAG44 (1) #define MACHINE_HAS_MVCOS (0) #else /* __s390x__ */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) #define MACHINE_HAS_DIAG44 (machine_flags & 32) #define MACHINE_HAS_MVCOS (machine_flags & 512) #endif /* __s390x__ */ #define MACHINE_HAS_SCLP (!MACHINE_IS_P390) #define ZFCPDUMP_HSA_SIZE (32UL<<20) /* * Console mode. Override with conmode= */ extern unsigned int console_mode; extern unsigned int console_devno; extern unsigned int console_irq; extern char vmhalt_cmd[]; extern char vmpoff_cmd[]; #define CONSOLE_IS_UNDEFINED (console_mode == 0) #define CONSOLE_IS_SCLP (console_mode == 1) #define CONSOLE_IS_3215 (console_mode == 2) #define CONSOLE_IS_3270 (console_mode == 3) #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) #define NSS_NAME_SIZE 8 extern char kernel_nss_name[]; #else /* __ASSEMBLY__ */ #ifndef __s390x__ #define IPL_DEVICE 0x10404 #define INITRD_START 0x1040C #define INITRD_SIZE 0x10414 #else /* __s390x__ */ #define IPL_DEVICE 0x10400 #define INITRD_START 0x10408 #define INITRD_SIZE 0x10410 #endif /* __s390x__ */ #define COMMAND_LINE 0x10480 #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_S390_SETUP_H */