[S390] cleanup lowcore.h
The lowcore.h header has quite a lot of whitespace damage and a rather
wild collection of entries. Remove all that whitespace and tidy up the
order of the lowcore fields.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 5b18035..b349f1c 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -11,125 +11,118 @@
#ifndef _ASM_S390_LOWCORE_H
#define _ASM_S390_LOWCORE_H
-#ifndef __s390x__
-#define __LC_EXT_OLD_PSW 0x018
-#define __LC_SVC_OLD_PSW 0x020
-#define __LC_PGM_OLD_PSW 0x028
-#define __LC_MCK_OLD_PSW 0x030
-#define __LC_IO_OLD_PSW 0x038
-#define __LC_EXT_NEW_PSW 0x058
-#define __LC_SVC_NEW_PSW 0x060
-#define __LC_PGM_NEW_PSW 0x068
-#define __LC_MCK_NEW_PSW 0x070
-#define __LC_IO_NEW_PSW 0x078
-#else /* !__s390x__ */
-#define __LC_EXT_OLD_PSW 0x0130
-#define __LC_SVC_OLD_PSW 0x0140
-#define __LC_PGM_OLD_PSW 0x0150
-#define __LC_MCK_OLD_PSW 0x0160
-#define __LC_IO_OLD_PSW 0x0170
-#define __LC_EXT_NEW_PSW 0x01b0
-#define __LC_SVC_NEW_PSW 0x01c0
-#define __LC_PGM_NEW_PSW 0x01d0
-#define __LC_MCK_NEW_PSW 0x01e0
-#define __LC_IO_NEW_PSW 0x01f0
-#endif /* !__s390x__ */
+#define __LC_IPL_PARMBLOCK_PTR 0x0014
+#define __LC_EXT_PARAMS 0x0080
+#define __LC_CPU_ADDRESS 0x0084
+#define __LC_EXT_INT_CODE 0x0086
-#define __LC_IPL_PARMBLOCK_PTR 0x014
-#define __LC_EXT_PARAMS 0x080
-#define __LC_CPU_ADDRESS 0x084
-#define __LC_EXT_INT_CODE 0x086
+#define __LC_SVC_ILC 0x0088
+#define __LC_SVC_INT_CODE 0x008a
+#define __LC_PGM_ILC 0x008c
+#define __LC_PGM_INT_CODE 0x008e
-#define __LC_SVC_ILC 0x088
-#define __LC_SVC_INT_CODE 0x08A
-#define __LC_PGM_ILC 0x08C
-#define __LC_PGM_INT_CODE 0x08E
+#define __LC_PER_ATMID 0x0096
+#define __LC_PER_ADDRESS 0x0098
+#define __LC_PER_ACCESS_ID 0x00a1
+#define __LC_AR_MODE_ID 0x00a3
-#define __LC_PER_ATMID 0x096
-#define __LC_PER_ADDRESS 0x098
-#define __LC_PER_ACCESS_ID 0x0A1
-#define __LC_AR_MODE_ID 0x0A3
+#define __LC_SUBCHANNEL_ID 0x00b8
+#define __LC_SUBCHANNEL_NR 0x00ba
+#define __LC_IO_INT_PARM 0x00bc
+#define __LC_IO_INT_WORD 0x00c0
+#define __LC_MCCK_CODE 0x00e8
-#define __LC_SUBCHANNEL_ID 0x0B8
-#define __LC_SUBCHANNEL_NR 0x0BA
-#define __LC_IO_INT_PARM 0x0BC
-#define __LC_IO_INT_WORD 0x0C0
-#define __LC_MCCK_CODE 0x0E8
-
-#define __LC_LAST_BREAK 0x110
-
-#define __LC_RETURN_PSW 0x200
-
-#define __LC_SAVE_AREA 0xC00
+#define __LC_DUMP_REIPL 0x0e00
#ifndef __s390x__
-#define __LC_IRB 0x208
-#define __LC_SYNC_ENTER_TIMER 0x248
-#define __LC_ASYNC_ENTER_TIMER 0x250
-#define __LC_EXIT_TIMER 0x258
-#define __LC_USER_TIMER 0x260
-#define __LC_SYSTEM_TIMER 0x268
-#define __LC_STEAL_TIMER 0x270
-#define __LC_LAST_UPDATE_TIMER 0x278
-#define __LC_LAST_UPDATE_CLOCK 0x280
-#define __LC_RETURN_MCCK_PSW 0x288
-#define __LC_KERNEL_STACK 0xC40
-#define __LC_THREAD_INFO 0xC44
-#define __LC_ASYNC_STACK 0xC48
-#define __LC_KERNEL_ASCE 0xC4C
-#define __LC_USER_ASCE 0xC50
-#define __LC_PANIC_STACK 0xC54
-#define __LC_CPUID 0xC60
-#define __LC_CURRENT 0xC90
-#define __LC_INT_CLOCK 0xC98
+#define __LC_EXT_OLD_PSW 0x0018
+#define __LC_SVC_OLD_PSW 0x0020
+#define __LC_PGM_OLD_PSW 0x0028
+#define __LC_MCK_OLD_PSW 0x0030
+#define __LC_IO_OLD_PSW 0x0038
+#define __LC_EXT_NEW_PSW 0x0058
+#define __LC_SVC_NEW_PSW 0x0060
+#define __LC_PGM_NEW_PSW 0x0068
+#define __LC_MCK_NEW_PSW 0x0070
+#define __LC_IO_NEW_PSW 0x0078
+#define __LC_SAVE_AREA 0x0200
+#define __LC_RETURN_PSW 0x0240
+#define __LC_RETURN_MCCK_PSW 0x0248
+#define __LC_SYNC_ENTER_TIMER 0x0250
+#define __LC_ASYNC_ENTER_TIMER 0x0258
+#define __LC_EXIT_TIMER 0x0260
+#define __LC_USER_TIMER 0x0268
+#define __LC_SYSTEM_TIMER 0x0270
+#define __LC_STEAL_TIMER 0x0278
+#define __LC_LAST_UPDATE_TIMER 0x0280
+#define __LC_LAST_UPDATE_CLOCK 0x0288
+#define __LC_CURRENT 0x0290
+#define __LC_THREAD_INFO 0x0294
+#define __LC_KERNEL_STACK 0x0298
+#define __LC_ASYNC_STACK 0x029c
+#define __LC_PANIC_STACK 0x02a0
+#define __LC_KERNEL_ASCE 0x02a4
+#define __LC_USER_ASCE 0x02a8
+#define __LC_USER_EXEC_ASCE 0x02ac
+#define __LC_CPUID 0x02b0
+#define __LC_INT_CLOCK 0x02c8
+#define __LC_IRB 0x0300
+#define __LC_PFAULT_INTPARM 0x0080
+#define __LC_CPU_TIMER_SAVE_AREA 0x00d8
+#define __LC_CLOCK_COMP_SAVE_AREA 0x00e0
+#define __LC_PSW_SAVE_AREA 0x0100
+#define __LC_PREFIX_SAVE_AREA 0x0108
+#define __LC_AREGS_SAVE_AREA 0x0120
+#define __LC_FPREGS_SAVE_AREA 0x0160
+#define __LC_GPREGS_SAVE_AREA 0x0180
+#define __LC_CREGS_SAVE_AREA 0x01c0
#else /* __s390x__ */
-#define __LC_IRB 0x210
-#define __LC_SYNC_ENTER_TIMER 0x250
-#define __LC_ASYNC_ENTER_TIMER 0x258
-#define __LC_EXIT_TIMER 0x260
-#define __LC_USER_TIMER 0x268
-#define __LC_SYSTEM_TIMER 0x270
-#define __LC_STEAL_TIMER 0x278
-#define __LC_LAST_UPDATE_TIMER 0x280
-#define __LC_LAST_UPDATE_CLOCK 0x288
-#define __LC_RETURN_MCCK_PSW 0x290
-#define __LC_KERNEL_STACK 0xD40
-#define __LC_THREAD_INFO 0xD48
-#define __LC_ASYNC_STACK 0xD50
-#define __LC_KERNEL_ASCE 0xD58
-#define __LC_USER_ASCE 0xD60
-#define __LC_PANIC_STACK 0xD68
-#define __LC_CPUID 0xD80
-#define __LC_CURRENT 0xDD8
-#define __LC_INT_CLOCK 0xDE8
-#define __LC_VDSO_PER_CPU 0xE38
-#endif /* __s390x__ */
-
-#define __LC_PASTE 0xE40
-
-#define __LC_DUMP_REIPL 0xE00
-#ifndef __s390x__
-#define __LC_PFAULT_INTPARM 0x080
-#define __LC_CPU_TIMER_SAVE_AREA 0x0D8
-#define __LC_CLOCK_COMP_SAVE_AREA 0x0E0
-#define __LC_PSW_SAVE_AREA 0x100
-#define __LC_PREFIX_SAVE_AREA 0x108
-#define __LC_AREGS_SAVE_AREA 0x120
-#define __LC_FPREGS_SAVE_AREA 0x160
-#define __LC_GPREGS_SAVE_AREA 0x180
-#define __LC_CREGS_SAVE_AREA 0x1C0
-#else /* __s390x__ */
-#define __LC_PFAULT_INTPARM 0x11B8
+#define __LC_LAST_BREAK 0x0110
+#define __LC_EXT_OLD_PSW 0x0130
+#define __LC_SVC_OLD_PSW 0x0140
+#define __LC_PGM_OLD_PSW 0x0150
+#define __LC_MCK_OLD_PSW 0x0160
+#define __LC_IO_OLD_PSW 0x0170
+#define __LC_EXT_NEW_PSW 0x01b0
+#define __LC_SVC_NEW_PSW 0x01c0
+#define __LC_PGM_NEW_PSW 0x01d0
+#define __LC_MCK_NEW_PSW 0x01e0
+#define __LC_IO_NEW_PSW 0x01f0
+#define __LC_SAVE_AREA 0x0200
+#define __LC_RETURN_PSW 0x0280
+#define __LC_RETURN_MCCK_PSW 0x0290
+#define __LC_SYNC_ENTER_TIMER 0x02a0
+#define __LC_ASYNC_ENTER_TIMER 0x02a8
+#define __LC_EXIT_TIMER 0x02b0
+#define __LC_USER_TIMER 0x02b8
+#define __LC_SYSTEM_TIMER 0x02c0
+#define __LC_STEAL_TIMER 0x02c8
+#define __LC_LAST_UPDATE_TIMER 0x02d0
+#define __LC_LAST_UPDATE_CLOCK 0x02d8
+#define __LC_CURRENT 0x02e0
+#define __LC_THREAD_INFO 0x02e8
+#define __LC_KERNEL_STACK 0x02f0
+#define __LC_ASYNC_STACK 0x02f8
+#define __LC_PANIC_STACK 0x0300
+#define __LC_KERNEL_ASCE 0x0308
+#define __LC_USER_ASCE 0x0310
+#define __LC_USER_EXEC_ASCE 0x0318
+#define __LC_CPUID 0x0320
+#define __LC_INT_CLOCK 0x0340
+#define __LC_VDSO_PER_CPU 0x0350
+#define __LC_IRB 0x0380
+#define __LC_PASTE 0x03c0
+#define __LC_PFAULT_INTPARM 0x11b8
#define __LC_FPREGS_SAVE_AREA 0x1200
-#define __LC_GPREGS_SAVE_AREA 0x1280
+#define __LC_GPREGS_SAVE_AREA 0x1280
#define __LC_PSW_SAVE_AREA 0x1300
#define __LC_PREFIX_SAVE_AREA 0x1318
-#define __LC_FP_CREG_SAVE_AREA 0x131C
+#define __LC_FP_CREG_SAVE_AREA 0x131c
#define __LC_TODREG_SAVE_AREA 0x1324
-#define __LC_CPU_TIMER_SAVE_AREA 0x1328
+#define __LC_CPU_TIMER_SAVE_AREA 0x1328
#define __LC_CLOCK_COMP_SAVE_AREA 0x1331
-#define __LC_AREGS_SAVE_AREA 0x1340
-#define __LC_CREGS_SAVE_AREA 0x1380
+#define __LC_AREGS_SAVE_AREA 0x1340
+#define __LC_CREGS_SAVE_AREA 0x1380
#endif /* __s390x__ */
#ifndef __ASSEMBLY__
@@ -194,227 +187,240 @@
struct _lowcore
{
#ifndef __s390x__
- /* prefix area: defined by architecture */
- psw_t restart_psw; /* 0x000 */
- __u32 ccw2[4]; /* 0x008 */
- psw_t external_old_psw; /* 0x018 */
- psw_t svc_old_psw; /* 0x020 */
- psw_t program_old_psw; /* 0x028 */
- psw_t mcck_old_psw; /* 0x030 */
- psw_t io_old_psw; /* 0x038 */
- __u8 pad1[0x58-0x40]; /* 0x040 */
- psw_t external_new_psw; /* 0x058 */
- psw_t svc_new_psw; /* 0x060 */
- psw_t program_new_psw; /* 0x068 */
- psw_t mcck_new_psw; /* 0x070 */
- psw_t io_new_psw; /* 0x078 */
- __u32 ext_params; /* 0x080 */
- __u16 cpu_addr; /* 0x084 */
- __u16 ext_int_code; /* 0x086 */
- __u16 svc_ilc; /* 0x088 */
- __u16 svc_code; /* 0x08a */
- __u16 pgm_ilc; /* 0x08c */
- __u16 pgm_code; /* 0x08e */
- __u32 trans_exc_code; /* 0x090 */
- __u16 mon_class_num; /* 0x094 */
- __u16 per_perc_atmid; /* 0x096 */
- __u32 per_address; /* 0x098 */
- __u32 monitor_code; /* 0x09c */
- __u8 exc_access_id; /* 0x0a0 */
- __u8 per_access_id; /* 0x0a1 */
- __u8 pad2[0xB8-0xA2]; /* 0x0a2 */
- __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[0xd4-0xcc]; /* 0x0cc */
- __u32 extended_save_area_addr; /* 0x0d4 */
- __u32 cpu_timer_save_area[2]; /* 0x0d8 */
- __u32 clock_comp_save_area[2]; /* 0x0e0 */
- __u32 mcck_interruption_code[2]; /* 0x0e8 */
- __u8 pad5[0xf4-0xf0]; /* 0x0f0 */
- __u32 external_damage_code; /* 0x0f4 */
- __u32 failing_storage_address; /* 0x0f8 */
- __u8 pad6[0x100-0xfc]; /* 0x0fc */
- __u32 st_status_fixed_logout[4];/* 0x100 */
- __u8 pad7[0x120-0x110]; /* 0x110 */
- __u32 access_regs_save_area[16];/* 0x120 */
- __u32 floating_pt_save_area[8]; /* 0x160 */
- __u32 gpregs_save_area[16]; /* 0x180 */
- __u32 cregs_save_area[16]; /* 0x1c0 */
+ /* 0x0000 - 0x01ff: defined by architecture */
+ psw_t restart_psw; /* 0x0000 */
+ __u32 ccw2[4]; /* 0x0008 */
+ psw_t external_old_psw; /* 0x0018 */
+ psw_t svc_old_psw; /* 0x0020 */
+ psw_t program_old_psw; /* 0x0028 */
+ psw_t mcck_old_psw; /* 0x0030 */
+ psw_t io_old_psw; /* 0x0038 */
+ __u8 pad_0x0040[0x0058-0x0040]; /* 0x0040 */
+ psw_t external_new_psw; /* 0x0058 */
+ psw_t svc_new_psw; /* 0x0060 */
+ psw_t program_new_psw; /* 0x0068 */
+ psw_t mcck_new_psw; /* 0x0070 */
+ psw_t io_new_psw; /* 0x0078 */
+ __u32 ext_params; /* 0x0080 */
+ __u16 cpu_addr; /* 0x0084 */
+ __u16 ext_int_code; /* 0x0086 */
+ __u16 svc_ilc; /* 0x0088 */
+ __u16 svc_code; /* 0x008a */
+ __u16 pgm_ilc; /* 0x008c */
+ __u16 pgm_code; /* 0x008e */
+ __u32 trans_exc_code; /* 0x0090 */
+ __u16 mon_class_num; /* 0x0094 */
+ __u16 per_perc_atmid; /* 0x0096 */
+ __u32 per_address; /* 0x0098 */
+ __u32 monitor_code; /* 0x009c */
+ __u8 exc_access_id; /* 0x00a0 */
+ __u8 per_access_id; /* 0x00a1 */
+ __u8 pad_0x00a2[0x00b8-0x00a2]; /* 0x00a2 */
+ __u16 subchannel_id; /* 0x00b8 */
+ __u16 subchannel_nr; /* 0x00ba */
+ __u32 io_int_parm; /* 0x00bc */
+ __u32 io_int_word; /* 0x00c0 */
+ __u8 pad_0x00c4[0x00c8-0x00c4]; /* 0x00c4 */
+ __u32 stfl_fac_list; /* 0x00c8 */
+ __u8 pad_0x00cc[0x00d4-0x00cc]; /* 0x00cc */
+ __u32 extended_save_area_addr; /* 0x00d4 */
+ __u32 cpu_timer_save_area[2]; /* 0x00d8 */
+ __u32 clock_comp_save_area[2]; /* 0x00e0 */
+ __u32 mcck_interruption_code[2]; /* 0x00e8 */
+ __u8 pad_0x00f0[0x00f4-0x00f0]; /* 0x00f0 */
+ __u32 external_damage_code; /* 0x00f4 */
+ __u32 failing_storage_address; /* 0x00f8 */
+ __u8 pad_0x00fc[0x0100-0x00fc]; /* 0x00fc */
+ __u32 st_status_fixed_logout[4]; /* 0x0100 */
+ __u8 pad_0x0110[0x0120-0x0110]; /* 0x0110 */
- psw_t return_psw; /* 0x200 */
- __u8 irb[64]; /* 0x208 */
- __u64 sync_enter_timer; /* 0x248 */
- __u64 async_enter_timer; /* 0x250 */
- __u64 exit_timer; /* 0x258 */
- __u64 user_timer; /* 0x260 */
- __u64 system_timer; /* 0x268 */
- __u64 steal_timer; /* 0x270 */
- __u64 last_update_timer; /* 0x278 */
- __u64 last_update_clock; /* 0x280 */
- psw_t return_mcck_psw; /* 0x288 */
- __u8 pad8[0xc00-0x290]; /* 0x290 */
+ /* CPU register save area: defined by architecture */
+ __u32 access_regs_save_area[16]; /* 0x0120 */
+ __u32 floating_pt_save_area[8]; /* 0x0160 */
+ __u32 gpregs_save_area[16]; /* 0x0180 */
+ __u32 cregs_save_area[16]; /* 0x01c0 */
- /* System info area */
- __u32 save_area[16]; /* 0xc00 */
- __u32 kernel_stack; /* 0xc40 */
- __u32 thread_info; /* 0xc44 */
- __u32 async_stack; /* 0xc48 */
- __u32 kernel_asce; /* 0xc4c */
- __u32 user_asce; /* 0xc50 */
- __u32 panic_stack; /* 0xc54 */
- __u32 user_exec_asce; /* 0xc58 */
- __u8 pad10[0xc60-0xc5c]; /* 0xc5c */
- /* entry.S sensitive area start */
- cpuid_t cpu_id; /* 0xc60 */
- __u32 cpu_nr; /* 0xc68 */
- __u8 pad_0xc6c[0xc80-0xc6c]; /* 0xc6c */
- /* entry.S sensitive area end */
+ /* Return psws. */
+ __u32 save_area[16]; /* 0x0200 */
+ psw_t return_psw; /* 0x0240 */
+ psw_t return_mcck_psw; /* 0x0248 */
- /* SMP info area: defined by DJB */
- __u64 clock_comparator; /* 0xc80 */
- __u32 ext_call_fast; /* 0xc88 */
- __u32 percpu_offset; /* 0xc8c */
- __u32 current_task; /* 0xc90 */
- __u32 softirq_pending; /* 0xc94 */
- __u64 int_clock; /* 0xc98 */
- __u8 pad11[0xe00-0xca0]; /* 0xca0 */
+ /* CPU time accounting values */
+ __u64 sync_enter_timer; /* 0x0250 */
+ __u64 async_enter_timer; /* 0x0258 */
+ __u64 exit_timer; /* 0x0260 */
+ __u64 user_timer; /* 0x0268 */
+ __u64 system_timer; /* 0x0270 */
+ __u64 steal_timer; /* 0x0278 */
+ __u64 last_update_timer; /* 0x0280 */
+ __u64 last_update_clock; /* 0x0288 */
- /* 0xe00 contains the address of the IPL Parameter */
- /* Information block. Dump tools need IPIB for IPL */
- /* after dump. */
- __u32 ipib; /* 0xe00 */
- __u32 ipib_checksum; /* 0xe04 */
+ /* Current process. */
+ __u32 current_task; /* 0x0290 */
+ __u32 thread_info; /* 0x0294 */
+ __u32 kernel_stack; /* 0x0298 */
- /* Align to the top 1k of prefix area */
- __u8 pad12[0x1000-0xe08]; /* 0xe08 */
+ /* Interrupt and panic stack. */
+ __u32 async_stack; /* 0x029c */
+ __u32 panic_stack; /* 0x02a0 */
+
+ /* Address space pointer. */
+ __u32 kernel_asce; /* 0x02a4 */
+ __u32 user_asce; /* 0x02a8 */
+ __u32 user_exec_asce; /* 0x02ac */
+
+ /* SMP info area */
+ cpuid_t cpu_id; /* 0x02b0 */
+ __u32 cpu_nr; /* 0x02b8 */
+ __u32 softirq_pending; /* 0x02bc */
+ __u32 percpu_offset; /* 0x02c0 */
+ __u32 ext_call_fast; /* 0x02c4 */
+ __u64 int_clock; /* 0x02c8 */
+ __u64 clock_comparator; /* 0x02d0 */
+ __u8 pad_0x02d8[0x0300-0x02d8]; /* 0x02d8 */
+
+ /* Interrupt response block */
+ __u8 irb[64]; /* 0x0300 */
+
+ __u8 pad_0x0400[0x0e00-0x0400]; /* 0x0400 */
+
+ /*
+ * 0xe00 contains the address of the IPL Parameter Information
+ * block. Dump tools need IPIB for IPL after dump.
+ * Note: do not change the position of any fields in 0x0e00-0x0f00
+ */
+ __u32 ipib; /* 0x0e00 */
+ __u32 ipib_checksum; /* 0x0e04 */
+
+ /* Align to the top 1k of prefix area */
+ __u8 pad_0x0e08[0x1000-0x0e08]; /* 0x0e08 */
#else /* !__s390x__ */
- /* prefix area: defined by architecture */
- __u32 ccw1[2]; /* 0x000 */
- __u32 ccw2[4]; /* 0x008 */
- __u8 pad1[0x80-0x18]; /* 0x018 */
- __u32 ext_params; /* 0x080 */
- __u16 cpu_addr; /* 0x084 */
- __u16 ext_int_code; /* 0x086 */
- __u16 svc_ilc; /* 0x088 */
- __u16 svc_code; /* 0x08a */
- __u16 pgm_ilc; /* 0x08c */
- __u16 pgm_code; /* 0x08e */
- __u32 data_exc_code; /* 0x090 */
- __u16 mon_class_num; /* 0x094 */
- __u16 per_perc_atmid; /* 0x096 */
- addr_t per_address; /* 0x098 */
- __u8 exc_access_id; /* 0x0a0 */
- __u8 per_access_id; /* 0x0a1 */
- __u8 op_access_id; /* 0x0a2 */
- __u8 ar_access_id; /* 0x0a3 */
- __u8 pad2[0xA8-0xA4]; /* 0x0a4 */
- addr_t trans_exc_code; /* 0x0a8 */
- addr_t monitor_code; /* 0x0b0 */
- __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 user_timer; /* 0x268 */
- __u64 system_timer; /* 0x270 */
- __u64 steal_timer; /* 0x278 */
- __u64 last_update_timer; /* 0x280 */
- __u64 last_update_clock; /* 0x288 */
- psw_t return_mcck_psw; /* 0x290 */
- __u8 pad8[0xc00-0x2a0]; /* 0x2a0 */
- /* 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 */
- __u64 user_exec_asce; /* 0xd70 */
- __u8 pad10[0xd80-0xd78]; /* 0xd78 */
- /* entry.S sensitive area start */
- cpuid_t cpu_id; /* 0xd80 */
- __u32 cpu_nr; /* 0xd88 */
- __u8 pad_0xd8c[0xdc0-0xd8c]; /* 0xd8c */
- /* entry.S sensitive area end */
+ /* 0x0000 - 0x01ff: defined by architecture */
+ __u32 ccw1[2]; /* 0x0000 */
+ __u32 ccw2[4]; /* 0x0008 */
+ __u8 pad_0x0018[0x0080-0x0018]; /* 0x0018 */
+ __u32 ext_params; /* 0x0080 */
+ __u16 cpu_addr; /* 0x0084 */
+ __u16 ext_int_code; /* 0x0086 */
+ __u16 svc_ilc; /* 0x0088 */
+ __u16 svc_code; /* 0x008a */
+ __u16 pgm_ilc; /* 0x008c */
+ __u16 pgm_code; /* 0x008e */
+ __u32 data_exc_code; /* 0x0090 */
+ __u16 mon_class_num; /* 0x0094 */
+ __u16 per_perc_atmid; /* 0x0096 */
+ addr_t per_address; /* 0x0098 */
+ __u8 exc_access_id; /* 0x00a0 */
+ __u8 per_access_id; /* 0x00a1 */
+ __u8 op_access_id; /* 0x00a2 */
+ __u8 ar_access_id; /* 0x00a3 */
+ __u8 pad_0x00a4[0x00a8-0x00a4]; /* 0x00a4 */
+ addr_t trans_exc_code; /* 0x00a8 */
+ addr_t monitor_code; /* 0x00b0 */
+ __u16 subchannel_id; /* 0x00b8 */
+ __u16 subchannel_nr; /* 0x00ba */
+ __u32 io_int_parm; /* 0x00bc */
+ __u32 io_int_word; /* 0x00c0 */
+ __u8 pad_0x00c4[0x00c8-0x00c4]; /* 0x00c4 */
+ __u32 stfl_fac_list; /* 0x00c8 */
+ __u8 pad_0x00cc[0x00e8-0x00cc]; /* 0x00cc */
+ __u32 mcck_interruption_code[2]; /* 0x00e8 */
+ __u8 pad_0x00f0[0x00f4-0x00f0]; /* 0x00f0 */
+ __u32 external_damage_code; /* 0x00f4 */
+ addr_t failing_storage_address; /* 0x00f8 */
+ __u8 pad_0x0100[0x0120-0x0100]; /* 0x0100 */
+ psw_t restart_old_psw; /* 0x0120 */
+ psw_t external_old_psw; /* 0x0130 */
+ psw_t svc_old_psw; /* 0x0140 */
+ psw_t program_old_psw; /* 0x0150 */
+ psw_t mcck_old_psw; /* 0x0160 */
+ psw_t io_old_psw; /* 0x0170 */
+ __u8 pad_0x0180[0x01a0-0x0180]; /* 0x0180 */
+ psw_t restart_psw; /* 0x01a0 */
+ psw_t external_new_psw; /* 0x01b0 */
+ psw_t svc_new_psw; /* 0x01c0 */
+ psw_t program_new_psw; /* 0x01d0 */
+ psw_t mcck_new_psw; /* 0x01e0 */
+ psw_t io_new_psw; /* 0x01f0 */
- /* SMP info area: defined by DJB */
- __u64 clock_comparator; /* 0xdc0 */
- __u64 ext_call_fast; /* 0xdc8 */
- __u64 percpu_offset; /* 0xdd0 */
- __u64 current_task; /* 0xdd8 */
- __u32 softirq_pending; /* 0xde0 */
- __u32 pad_0x0de4; /* 0xde4 */
- __u64 int_clock; /* 0xde8 */
- __u8 pad12[0xe00-0xdf0]; /* 0xdf0 */
+ /* Entry/exit save area & return psws. */
+ __u64 save_area[16]; /* 0x0200 */
+ psw_t return_psw; /* 0x0280 */
+ psw_t return_mcck_psw; /* 0x0290 */
- /* 0xe00 contains the address of the IPL Parameter */
- /* Information block. Dump tools need IPIB for IPL */
- /* after dump. */
- __u64 ipib; /* 0xe00 */
- __u32 ipib_checksum; /* 0xe08 */
+ /* CPU accounting and timing values. */
+ __u64 sync_enter_timer; /* 0x02a0 */
+ __u64 async_enter_timer; /* 0x02a8 */
+ __u64 exit_timer; /* 0x02b0 */
+ __u64 user_timer; /* 0x02b8 */
+ __u64 system_timer; /* 0x02c0 */
+ __u64 steal_timer; /* 0x02c8 */
+ __u64 last_update_timer; /* 0x02d0 */
+ __u64 last_update_clock; /* 0x02d8 */
+
+ /* Current process. */
+ __u64 current_task; /* 0x02e0 */
+ __u64 thread_info; /* 0x02e8 */
+ __u64 kernel_stack; /* 0x02f0 */
+
+ /* Interrupt and panic stack. */
+ __u64 async_stack; /* 0x02f8 */
+ __u64 panic_stack; /* 0x0300 */
+
+ /* Address space pointer. */
+ __u64 kernel_asce; /* 0x0308 */
+ __u64 user_asce; /* 0x0310 */
+ __u64 user_exec_asce; /* 0x0318 */
+
+ /* SMP info area */
+ cpuid_t cpu_id; /* 0x0320 */
+ __u32 cpu_nr; /* 0x0328 */
+ __u32 softirq_pending; /* 0x032c */
+ __u64 percpu_offset; /* 0x0330 */
+ __u64 ext_call_fast; /* 0x0338 */
+ __u64 int_clock; /* 0x0340 */
+ __u64 clock_comparator; /* 0x0348 */
+ __u64 vdso_per_cpu_data; /* 0x0350 */
+ __u8 pad_0x0358[0x0380-0x0358]; /* 0x0358 */
+
+ /* Interrupt response block. */
+ __u8 irb[64]; /* 0x0380 */
/* Per cpu primary space access list */
- __u8 pad_0xe0c[0xe38-0xe0c]; /* 0xe0c */
- __u64 vdso_per_cpu_data; /* 0xe38 */
- __u32 paste[16]; /* 0xe40 */
+ __u32 paste[16]; /* 0x03c0 */
- __u8 pad13[0x11b8-0xe80]; /* 0xe80 */
+ __u8 pad_0x0400[0x0e00-0x0400]; /* 0x0400 */
- /* 64 bit extparam used for pfault, diag 250 etc */
- __u64 ext_params2; /* 0x11B8 */
+ /*
+ * 0xe00 contains the address of the IPL Parameter Information
+ * block. Dump tools need IPIB for IPL after dump.
+ * Note: do not change the position of any fields in 0x0e00-0x0f00
+ */
+ __u64 ipib; /* 0x0e00 */
+ __u32 ipib_checksum; /* 0x0e08 */
+ __u8 pad_0x0e0c[0x11b8-0x0e0c]; /* 0x0e0c */
- __u8 pad14[0x1200-0x11C0]; /* 0x11C0 */
+ /* 64 bit extparam used for pfault/diag 250: defined by architecture */
+ __u64 ext_params2; /* 0x11B8 */
+ __u8 pad_0x11c0[0x1200-0x11C0]; /* 0x11C0 */
- /* System info area */
-
- __u64 floating_pt_save_area[16]; /* 0x1200 */
- __u64 gpregs_save_area[16]; /* 0x1280 */
- __u32 st_status_fixed_logout[4]; /* 0x1300 */
- __u8 pad15[0x1318-0x1310]; /* 0x1310 */
- __u32 prefixreg_save_area; /* 0x1318 */
- __u32 fpt_creg_save_area; /* 0x131c */
- __u8 pad16[0x1324-0x1320]; /* 0x1320 */
- __u32 tod_progreg_save_area; /* 0x1324 */
- __u32 cpu_timer_save_area[2]; /* 0x1328 */
- __u32 clock_comp_save_area[2]; /* 0x1330 */
- __u8 pad17[0x1340-0x1338]; /* 0x1338 */
- __u32 access_regs_save_area[16]; /* 0x1340 */
- __u64 cregs_save_area[16]; /* 0x1380 */
+ /* CPU register save area: defined by architecture */
+ __u64 floating_pt_save_area[16]; /* 0x1200 */
+ __u64 gpregs_save_area[16]; /* 0x1280 */
+ __u32 st_status_fixed_logout[4]; /* 0x1300 */
+ __u8 pad_0x1310[0x1318-0x1310]; /* 0x1310 */
+ __u32 prefixreg_save_area; /* 0x1318 */
+ __u32 fpt_creg_save_area; /* 0x131c */
+ __u8 pad_0x1320[0x1324-0x1320]; /* 0x1320 */
+ __u32 tod_progreg_save_area; /* 0x1324 */
+ __u32 cpu_timer_save_area[2]; /* 0x1328 */
+ __u32 clock_comp_save_area[2]; /* 0x1330 */
+ __u8 pad_0x1338[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 pad18[0x2000-0x1400]; /* 0x1400 */
+ __u8 pad_0x1400[0x2000-0x1400]; /* 0x1400 */
#endif /* !__s390x__ */
} __attribute__((packed)); /* End structure*/
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index ec7e35f..1046c2c 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -469,6 +469,8 @@
.org 0x10000
startup:basr %r13,0 # get base
.LPG0:
+ xc 0x200(256),0x200 # partially clear lowcore
+ xc 0x300(256),0x300
#ifndef CONFIG_MARCH_G5
# check processor version against MARCH_{G5,Z900,Z990,Z9_109,Z10}