2005-04-17 00:20:36 +02:00
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/*
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* include/asm-s390/lowcore.h
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*
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* S390 version
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* Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
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* Author(s): Hartmut Penner (hp@de.ibm.com),
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* Martin Schwidefsky (schwidefsky@de.ibm.com),
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* Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
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*/
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#ifndef _ASM_S390_LOWCORE_H
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#define _ASM_S390_LOWCORE_H
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#ifndef __s390x__
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#define __LC_EXT_OLD_PSW 0x018
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#define __LC_SVC_OLD_PSW 0x020
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#define __LC_PGM_OLD_PSW 0x028
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#define __LC_MCK_OLD_PSW 0x030
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#define __LC_IO_OLD_PSW 0x038
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#define __LC_EXT_NEW_PSW 0x058
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#define __LC_SVC_NEW_PSW 0x060
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#define __LC_PGM_NEW_PSW 0x068
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#define __LC_MCK_NEW_PSW 0x070
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#define __LC_IO_NEW_PSW 0x078
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#else /* !__s390x__ */
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#define __LC_EXT_OLD_PSW 0x0130
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#define __LC_SVC_OLD_PSW 0x0140
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#define __LC_PGM_OLD_PSW 0x0150
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#define __LC_MCK_OLD_PSW 0x0160
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#define __LC_IO_OLD_PSW 0x0170
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#define __LC_EXT_NEW_PSW 0x01b0
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#define __LC_SVC_NEW_PSW 0x01c0
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#define __LC_PGM_NEW_PSW 0x01d0
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#define __LC_MCK_NEW_PSW 0x01e0
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#define __LC_IO_NEW_PSW 0x01f0
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#endif /* !__s390x__ */
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2006-09-20 15:59:15 +02:00
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#define __LC_IPL_PARMBLOCK_PTR 0x014
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2005-04-17 00:20:36 +02:00
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#define __LC_EXT_PARAMS 0x080
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#define __LC_CPU_ADDRESS 0x084
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#define __LC_EXT_INT_CODE 0x086
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#define __LC_SVC_ILC 0x088
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#define __LC_SVC_INT_CODE 0x08A
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#define __LC_PGM_ILC 0x08C
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#define __LC_PGM_INT_CODE 0x08E
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#define __LC_PER_ATMID 0x096
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#define __LC_PER_ADDRESS 0x098
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#define __LC_PER_ACCESS_ID 0x0A1
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2006-09-20 15:58:49 +02:00
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#define __LC_AR_MODE_ID 0x0A3
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2005-04-17 00:20:36 +02:00
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#define __LC_SUBCHANNEL_ID 0x0B8
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#define __LC_SUBCHANNEL_NR 0x0BA
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#define __LC_IO_INT_PARM 0x0BC
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#define __LC_IO_INT_WORD 0x0C0
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#define __LC_MCCK_CODE 0x0E8
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#define __LC_RETURN_PSW 0x200
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#define __LC_SAVE_AREA 0xC00
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#ifndef __s390x__
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#define __LC_IRB 0x208
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#define __LC_SYNC_ENTER_TIMER 0x248
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#define __LC_ASYNC_ENTER_TIMER 0x250
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#define __LC_EXIT_TIMER 0x258
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#define __LC_LAST_UPDATE_TIMER 0x260
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#define __LC_USER_TIMER 0x268
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#define __LC_SYSTEM_TIMER 0x270
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#define __LC_LAST_UPDATE_CLOCK 0x278
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#define __LC_STEAL_CLOCK 0x280
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2005-09-04 00:57:56 +02:00
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#define __LC_RETURN_MCCK_PSW 0x288
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2005-04-17 00:20:36 +02:00
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#define __LC_KERNEL_STACK 0xC40
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#define __LC_THREAD_INFO 0xC44
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#define __LC_ASYNC_STACK 0xC48
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#define __LC_KERNEL_ASCE 0xC4C
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#define __LC_USER_ASCE 0xC50
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#define __LC_PANIC_STACK 0xC54
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#define __LC_CPUID 0xC60
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#define __LC_CPUADDR 0xC68
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#define __LC_IPLDEV 0xC7C
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#define __LC_JIFFY_TIMER 0xC80
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#define __LC_CURRENT 0xC90
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#define __LC_INT_CLOCK 0xC98
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#else /* __s390x__ */
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#define __LC_IRB 0x210
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#define __LC_SYNC_ENTER_TIMER 0x250
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#define __LC_ASYNC_ENTER_TIMER 0x258
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#define __LC_EXIT_TIMER 0x260
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#define __LC_LAST_UPDATE_TIMER 0x268
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#define __LC_USER_TIMER 0x270
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#define __LC_SYSTEM_TIMER 0x278
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#define __LC_LAST_UPDATE_CLOCK 0x280
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#define __LC_STEAL_CLOCK 0x288
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2005-09-04 00:57:56 +02:00
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#define __LC_RETURN_MCCK_PSW 0x290
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2005-04-17 00:20:36 +02:00
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#define __LC_KERNEL_STACK 0xD40
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#define __LC_THREAD_INFO 0xD48
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#define __LC_ASYNC_STACK 0xD50
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#define __LC_KERNEL_ASCE 0xD58
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#define __LC_USER_ASCE 0xD60
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#define __LC_PANIC_STACK 0xD68
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2006-06-04 11:51:28 +02:00
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#define __LC_CPUID 0xD80
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#define __LC_CPUADDR 0xD88
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2005-04-17 00:20:36 +02:00
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#define __LC_IPLDEV 0xDB8
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#define __LC_JIFFY_TIMER 0xDC0
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#define __LC_CURRENT 0xDD8
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#define __LC_INT_CLOCK 0xDE8
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#endif /* __s390x__ */
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2006-09-20 15:58:49 +02:00
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#define __LC_PANIC_MAGIC 0xE00
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2005-04-17 00:20:36 +02:00
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#ifndef __s390x__
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#define __LC_PFAULT_INTPARM 0x080
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2005-06-25 23:55:30 +02:00
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#define __LC_CPU_TIMER_SAVE_AREA 0x0D8
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2006-09-20 15:58:49 +02:00
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#define __LC_CLOCK_COMP_SAVE_AREA 0x0E0
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#define __LC_PSW_SAVE_AREA 0x100
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#define __LC_PREFIX_SAVE_AREA 0x108
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2005-04-17 00:20:36 +02:00
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#define __LC_AREGS_SAVE_AREA 0x120
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2006-09-20 15:58:49 +02:00
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#define __LC_FPREGS_SAVE_AREA 0x160
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2005-06-25 23:55:30 +02:00
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#define __LC_GPREGS_SAVE_AREA 0x180
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2005-04-17 00:20:36 +02:00
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#define __LC_CREGS_SAVE_AREA 0x1C0
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#else /* __s390x__ */
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#define __LC_PFAULT_INTPARM 0x11B8
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2006-09-20 15:58:49 +02:00
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#define __LC_FPREGS_SAVE_AREA 0x1200
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2005-06-25 23:55:30 +02:00
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#define __LC_GPREGS_SAVE_AREA 0x1280
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2006-09-20 15:58:49 +02:00
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#define __LC_PSW_SAVE_AREA 0x1300
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#define __LC_PREFIX_SAVE_AREA 0x1318
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#define __LC_FP_CREG_SAVE_AREA 0x131C
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#define __LC_TODREG_SAVE_AREA 0x1324
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2005-06-25 23:55:30 +02:00
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#define __LC_CPU_TIMER_SAVE_AREA 0x1328
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2006-09-20 15:58:49 +02:00
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#define __LC_CLOCK_COMP_SAVE_AREA 0x1331
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2005-04-17 00:20:36 +02:00
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#define __LC_AREGS_SAVE_AREA 0x1340
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#define __LC_CREGS_SAVE_AREA 0x1380
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#endif /* __s390x__ */
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#ifndef __ASSEMBLY__
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#include <asm/processor.h>
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#include <linux/types.h>
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#include <asm/sigp.h>
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void restart_int_handler(void);
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void ext_int_handler(void);
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void system_call(void);
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void pgm_check_handler(void);
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void mcck_int_handler(void);
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void io_int_handler(void);
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struct _lowcore
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{
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#ifndef __s390x__
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/* prefix area: defined by architecture */
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psw_t restart_psw; /* 0x000 */
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__u32 ccw2[4]; /* 0x008 */
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psw_t external_old_psw; /* 0x018 */
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psw_t svc_old_psw; /* 0x020 */
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psw_t program_old_psw; /* 0x028 */
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psw_t mcck_old_psw; /* 0x030 */
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psw_t io_old_psw; /* 0x038 */
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__u8 pad1[0x58-0x40]; /* 0x040 */
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psw_t external_new_psw; /* 0x058 */
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psw_t svc_new_psw; /* 0x060 */
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psw_t program_new_psw; /* 0x068 */
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psw_t mcck_new_psw; /* 0x070 */
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psw_t io_new_psw; /* 0x078 */
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__u32 ext_params; /* 0x080 */
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__u16 cpu_addr; /* 0x084 */
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__u16 ext_int_code; /* 0x086 */
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__u16 svc_ilc; /* 0x088 */
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__u16 svc_code; /* 0x08a */
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__u16 pgm_ilc; /* 0x08c */
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__u16 pgm_code; /* 0x08e */
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__u32 trans_exc_code; /* 0x090 */
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__u16 mon_class_num; /* 0x094 */
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__u16 per_perc_atmid; /* 0x096 */
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__u32 per_address; /* 0x098 */
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__u32 monitor_code; /* 0x09c */
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__u8 exc_access_id; /* 0x0a0 */
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__u8 per_access_id; /* 0x0a1 */
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__u8 pad2[0xB8-0xA2]; /* 0x0a2 */
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__u16 subchannel_id; /* 0x0b8 */
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__u16 subchannel_nr; /* 0x0ba */
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__u32 io_int_parm; /* 0x0bc */
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__u32 io_int_word; /* 0x0c0 */
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2005-06-25 23:55:30 +02:00
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__u8 pad3[0xD4-0xC4]; /* 0x0c4 */
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__u32 extended_save_area_addr; /* 0x0d4 */
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2005-04-17 00:20:36 +02:00
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__u32 cpu_timer_save_area[2]; /* 0x0d8 */
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__u32 clock_comp_save_area[2]; /* 0x0e0 */
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__u32 mcck_interruption_code[2]; /* 0x0e8 */
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__u8 pad4[0xf4-0xf0]; /* 0x0f0 */
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__u32 external_damage_code; /* 0x0f4 */
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__u32 failing_storage_address; /* 0x0f8 */
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__u8 pad5[0x100-0xfc]; /* 0x0fc */
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__u32 st_status_fixed_logout[4];/* 0x100 */
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__u8 pad6[0x120-0x110]; /* 0x110 */
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__u32 access_regs_save_area[16];/* 0x120 */
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__u32 floating_pt_save_area[8]; /* 0x160 */
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__u32 gpregs_save_area[16]; /* 0x180 */
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__u32 cregs_save_area[16]; /* 0x1c0 */
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psw_t return_psw; /* 0x200 */
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__u8 irb[64]; /* 0x208 */
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__u64 sync_enter_timer; /* 0x248 */
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__u64 async_enter_timer; /* 0x250 */
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__u64 exit_timer; /* 0x258 */
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__u64 last_update_timer; /* 0x260 */
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__u64 user_timer; /* 0x268 */
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__u64 system_timer; /* 0x270 */
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__u64 last_update_clock; /* 0x278 */
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__u64 steal_clock; /* 0x280 */
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2005-09-04 00:57:56 +02:00
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psw_t return_mcck_psw; /* 0x288 */
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__u8 pad8[0xc00-0x290]; /* 0x290 */
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2005-04-17 00:20:36 +02:00
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/* System info area */
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__u32 save_area[16]; /* 0xc00 */
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__u32 kernel_stack; /* 0xc40 */
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__u32 thread_info; /* 0xc44 */
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__u32 async_stack; /* 0xc48 */
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__u32 kernel_asce; /* 0xc4c */
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__u32 user_asce; /* 0xc50 */
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__u32 panic_stack; /* 0xc54 */
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2007-02-05 21:18:17 +01:00
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__u32 user_exec_asce; /* 0xc58 */
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__u8 pad10[0xc60-0xc5c]; /* 0xc5c */
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2005-04-17 00:20:36 +02:00
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/* entry.S sensitive area start */
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struct cpuinfo_S390 cpu_data; /* 0xc60 */
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__u32 ipl_device; /* 0xc7c */
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/* entry.S sensitive area end */
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/* SMP info area: defined by DJB */
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__u64 jiffy_timer; /* 0xc80 */
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__u32 ext_call_fast; /* 0xc88 */
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__u32 percpu_offset; /* 0xc8c */
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__u32 current_task; /* 0xc90 */
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__u32 softirq_pending; /* 0xc94 */
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__u64 int_clock; /* 0xc98 */
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__u8 pad11[0xe00-0xca0]; /* 0xca0 */
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/* 0xe00 is used as indicator for dump tools */
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/* whether the kernel died with panic() or not */
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__u32 panic_magic; /* 0xe00 */
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/* Align to the top 1k of prefix area */
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__u8 pad12[0x1000-0xe04]; /* 0xe04 */
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#else /* !__s390x__ */
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/* prefix area: defined by architecture */
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__u32 ccw1[2]; /* 0x000 */
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__u32 ccw2[4]; /* 0x008 */
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__u8 pad1[0x80-0x18]; /* 0x018 */
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__u32 ext_params; /* 0x080 */
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__u16 cpu_addr; /* 0x084 */
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__u16 ext_int_code; /* 0x086 */
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__u16 svc_ilc; /* 0x088 */
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__u16 svc_code; /* 0x08a */
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__u16 pgm_ilc; /* 0x08c */
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__u16 pgm_code; /* 0x08e */
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__u32 data_exc_code; /* 0x090 */
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__u16 mon_class_num; /* 0x094 */
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__u16 per_perc_atmid; /* 0x096 */
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addr_t per_address; /* 0x098 */
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__u8 exc_access_id; /* 0x0a0 */
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__u8 per_access_id; /* 0x0a1 */
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__u8 op_access_id; /* 0x0a2 */
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|
|
__u8 ar_access_id; /* 0x0a3 */
|
|
|
|
|
__u8 pad2[0xA8-0xA4]; /* 0x0a4 */
|
|
|
|
|
addr_t trans_exc_code; /* 0x0A0 */
|
|
|
|
|
addr_t monitor_code; /* 0x09c */
|
|
|
|
|
__u16 subchannel_id; /* 0x0b8 */
|
|
|
|
|
__u16 subchannel_nr; /* 0x0ba */
|
|
|
|
|
__u32 io_int_parm; /* 0x0bc */
|
|
|
|
|
__u32 io_int_word; /* 0x0c0 */
|
|
|
|
|
__u8 pad3[0xc8-0xc4]; /* 0x0c4 */
|
|
|
|
|
__u32 stfl_fac_list; /* 0x0c8 */
|
|
|
|
|
__u8 pad4[0xe8-0xcc]; /* 0x0cc */
|
|
|
|
|
__u32 mcck_interruption_code[2]; /* 0x0e8 */
|
|
|
|
|
__u8 pad5[0xf4-0xf0]; /* 0x0f0 */
|
|
|
|
|
__u32 external_damage_code; /* 0x0f4 */
|
|
|
|
|
addr_t failing_storage_address; /* 0x0f8 */
|
|
|
|
|
__u8 pad6[0x120-0x100]; /* 0x100 */
|
|
|
|
|
psw_t restart_old_psw; /* 0x120 */
|
|
|
|
|
psw_t external_old_psw; /* 0x130 */
|
|
|
|
|
psw_t svc_old_psw; /* 0x140 */
|
|
|
|
|
psw_t program_old_psw; /* 0x150 */
|
|
|
|
|
psw_t mcck_old_psw; /* 0x160 */
|
|
|
|
|
psw_t io_old_psw; /* 0x170 */
|
|
|
|
|
__u8 pad7[0x1a0-0x180]; /* 0x180 */
|
|
|
|
|
psw_t restart_psw; /* 0x1a0 */
|
|
|
|
|
psw_t external_new_psw; /* 0x1b0 */
|
|
|
|
|
psw_t svc_new_psw; /* 0x1c0 */
|
|
|
|
|
psw_t program_new_psw; /* 0x1d0 */
|
|
|
|
|
psw_t mcck_new_psw; /* 0x1e0 */
|
|
|
|
|
psw_t io_new_psw; /* 0x1f0 */
|
|
|
|
|
psw_t return_psw; /* 0x200 */
|
|
|
|
|
__u8 irb[64]; /* 0x210 */
|
|
|
|
|
__u64 sync_enter_timer; /* 0x250 */
|
|
|
|
|
__u64 async_enter_timer; /* 0x258 */
|
|
|
|
|
__u64 exit_timer; /* 0x260 */
|
|
|
|
|
__u64 last_update_timer; /* 0x268 */
|
|
|
|
|
__u64 user_timer; /* 0x270 */
|
|
|
|
|
__u64 system_timer; /* 0x278 */
|
|
|
|
|
__u64 last_update_clock; /* 0x280 */
|
|
|
|
|
__u64 steal_clock; /* 0x288 */
|
2005-09-04 00:57:56 +02:00
|
|
|
psw_t return_mcck_psw; /* 0x290 */
|
|
|
|
|
__u8 pad8[0xc00-0x2a0]; /* 0x2a0 */
|
2005-04-17 00:20:36 +02:00
|
|
|
/* System info area */
|
|
|
|
|
__u64 save_area[16]; /* 0xc00 */
|
|
|
|
|
__u8 pad9[0xd40-0xc80]; /* 0xc80 */
|
|
|
|
|
__u64 kernel_stack; /* 0xd40 */
|
|
|
|
|
__u64 thread_info; /* 0xd48 */
|
|
|
|
|
__u64 async_stack; /* 0xd50 */
|
|
|
|
|
__u64 kernel_asce; /* 0xd58 */
|
|
|
|
|
__u64 user_asce; /* 0xd60 */
|
|
|
|
|
__u64 panic_stack; /* 0xd68 */
|
2007-02-05 21:18:17 +01:00
|
|
|
__u64 user_exec_asce; /* 0xd70 */
|
|
|
|
|
__u8 pad10[0xd80-0xd78]; /* 0xd78 */
|
2005-04-17 00:20:36 +02:00
|
|
|
/* entry.S sensitive area start */
|
|
|
|
|
struct cpuinfo_S390 cpu_data; /* 0xd80 */
|
|
|
|
|
__u32 ipl_device; /* 0xdb8 */
|
|
|
|
|
__u32 pad11; /* 0xdbc */
|
|
|
|
|
/* entry.S sensitive area end */
|
|
|
|
|
|
|
|
|
|
/* SMP info area: defined by DJB */
|
|
|
|
|
__u64 jiffy_timer; /* 0xdc0 */
|
|
|
|
|
__u64 ext_call_fast; /* 0xdc8 */
|
|
|
|
|
__u64 percpu_offset; /* 0xdd0 */
|
|
|
|
|
__u64 current_task; /* 0xdd8 */
|
|
|
|
|
__u64 softirq_pending; /* 0xde0 */
|
|
|
|
|
__u64 int_clock; /* 0xde8 */
|
|
|
|
|
__u8 pad12[0xe00-0xdf0]; /* 0xdf0 */
|
|
|
|
|
|
|
|
|
|
/* 0xe00 is used as indicator for dump tools */
|
|
|
|
|
/* whether the kernel died with panic() or not */
|
|
|
|
|
__u32 panic_magic; /* 0xe00 */
|
|
|
|
|
|
|
|
|
|
__u8 pad13[0x1200-0xe04]; /* 0xe04 */
|
|
|
|
|
|
|
|
|
|
/* System info area */
|
|
|
|
|
|
|
|
|
|
__u64 floating_pt_save_area[16]; /* 0x1200 */
|
|
|
|
|
__u64 gpregs_save_area[16]; /* 0x1280 */
|
|
|
|
|
__u32 st_status_fixed_logout[4]; /* 0x1300 */
|
|
|
|
|
__u8 pad14[0x1318-0x1310]; /* 0x1310 */
|
|
|
|
|
__u32 prefixreg_save_area; /* 0x1318 */
|
|
|
|
|
__u32 fpt_creg_save_area; /* 0x131c */
|
|
|
|
|
__u8 pad15[0x1324-0x1320]; /* 0x1320 */
|
|
|
|
|
__u32 tod_progreg_save_area; /* 0x1324 */
|
|
|
|
|
__u32 cpu_timer_save_area[2]; /* 0x1328 */
|
|
|
|
|
__u32 clock_comp_save_area[2]; /* 0x1330 */
|
|
|
|
|
__u8 pad16[0x1340-0x1338]; /* 0x1338 */
|
|
|
|
|
__u32 access_regs_save_area[16]; /* 0x1340 */
|
|
|
|
|
__u64 cregs_save_area[16]; /* 0x1380 */
|
|
|
|
|
|
|
|
|
|
/* align to the top of the prefix area */
|
|
|
|
|
|
|
|
|
|
__u8 pad17[0x2000-0x1400]; /* 0x1400 */
|
|
|
|
|
#endif /* !__s390x__ */
|
|
|
|
|
} __attribute__((packed)); /* End structure*/
|
|
|
|
|
|
|
|
|
|
#define S390_lowcore (*((struct _lowcore *) 0))
|
|
|
|
|
extern struct _lowcore *lowcore_ptr[];
|
|
|
|
|
|
2005-11-09 06:34:42 +01:00
|
|
|
static inline void set_prefix(__u32 address)
|
2005-04-17 00:20:36 +02:00
|
|
|
{
|
2006-09-28 16:56:43 +02:00
|
|
|
asm volatile("spx %0" : : "m" (address) : "memory");
|
2005-04-17 00:20:36 +02:00
|
|
|
}
|
|
|
|
|
|
2006-12-04 15:40:26 +01:00
|
|
|
static inline __u32 store_prefix(void)
|
|
|
|
|
{
|
|
|
|
|
__u32 address;
|
|
|
|
|
|
|
|
|
|
asm volatile("stpx %0" : "=m" (address));
|
|
|
|
|
return address;
|
|
|
|
|
}
|
|
|
|
|
|
2005-04-17 00:20:36 +02:00
|
|
|
#define __PANIC_MAGIC 0xDEADC0DE
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif
|
