setup.h
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上传日期:2013-02-24
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- /*
- * include/asm-s390/setup.h
- *
- * S390 version
- * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
- */
- #ifndef _ASM_S390_SETUP_H
- #define _ASM_S390_SETUP_H
- #define PARMAREA 0x10400
- #define COMMAND_LINE_SIZE 896
- #define RAMDISK_ORIGIN 0x800000
- #define RAMDISK_SIZE 0x800000
- #ifndef __ASSEMBLY__
- #define IPL_DEVICE (*(unsigned long *) (0x10404))
- #define INITRD_START (*(unsigned long *) (0x1040C))
- #define INITRD_SIZE (*(unsigned long *) (0x10414))
- #define COMMAND_LINE ((char *) (0x10480))
- /*
- * Machine features detected in head.S
- */
- extern unsigned long machine_flags;
- #define MACHINE_IS_VM (machine_flags & 1)
- #define MACHINE_HAS_IEEE (machine_flags & 2)
- #define MACHINE_IS_P390 (machine_flags & 4)
- #define MACHINE_HAS_CSP (machine_flags & 8)
- #define MACHINE_HAS_MVPG (machine_flags & 16)
- #define MACHINE_HAS_HWC (!MACHINE_IS_P390)
- /*
- * Console mode. Override with conmode=
- */
- extern unsigned int console_mode;
- extern unsigned int console_device;
- #define CONSOLE_IS_UNDEFINED (console_mode == 0)
- #define CONSOLE_IS_HWC (console_mode == 1)
- #define CONSOLE_IS_3215 (console_mode == 2)
- #define CONSOLE_IS_3270 (console_mode == 3)
- #define SET_CONSOLE_HWC 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)
- #else
- #define IPL_DEVICE 0x10404
- #define INITRD_START 0x1040C
- #define INITRD_SIZE 0x10414
- #define COMMAND_LINE 0x10480
- #endif
- #endif