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-rw-r--r--arch/s390/include/asm/lowcore.h241
-rw-r--r--arch/s390/include/asm/setup.h6
-rw-r--r--arch/s390/include/asm/thread_info.h2
-rw-r--r--arch/s390/kernel/asm-offsets.c91
-rw-r--r--arch/s390/kernel/base.S2
-rw-r--r--arch/s390/kernel/entry.S1
-rw-r--r--arch/s390/kernel/entry64.S2
-rw-r--r--arch/s390/kernel/ftrace.c2
-rw-r--r--arch/s390/kernel/head.S1
-rw-r--r--arch/s390/kernel/ipl.c6
-rw-r--r--arch/s390/kernel/reipl.S2
-rw-r--r--arch/s390/kernel/reipl64.S2
-rw-r--r--arch/s390/kernel/setup.c7
-rw-r--r--arch/s390/kernel/smp.c3
-rw-r--r--arch/s390/kernel/switch_cpu.S1
-rw-r--r--arch/s390/kernel/switch_cpu64.S1
-rw-r--r--arch/s390/kernel/vdso.c1
-rw-r--r--arch/s390/kvm/interrupt.c10
-rw-r--r--arch/s390/kvm/kvm-s390.c1
-rw-r--r--arch/s390/mm/fault.c1
20 files changed, 161 insertions, 222 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index a9eb6834d921..05527c040b7a 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -1,144 +1,16 @@
1/* 1/*
2 * include/asm-s390/lowcore.h 2 * Copyright IBM Corp. 1999,2010
3 * 3 * Author(s): Hartmut Penner <hp@de.ibm.com>,
4 * S390 version 4 * Martin Schwidefsky <schwidefsky@de.ibm.com>,
5 * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation 5 * Denis Joseph Barrow,
6 * Author(s): Hartmut Penner (hp@de.ibm.com),
7 * Martin Schwidefsky (schwidefsky@de.ibm.com),
8 * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
9 */ 6 */
10 7
11#ifndef _ASM_S390_LOWCORE_H 8#ifndef _ASM_S390_LOWCORE_H
12#define _ASM_S390_LOWCORE_H 9#define _ASM_S390_LOWCORE_H
13 10
14#define __LC_IPL_PARMBLOCK_PTR 0x0014
15#define __LC_EXT_PARAMS 0x0080
16#define __LC_CPU_ADDRESS 0x0084
17#define __LC_EXT_INT_CODE 0x0086
18
19#define __LC_SVC_ILC 0x0088
20#define __LC_SVC_INT_CODE 0x008a
21#define __LC_PGM_ILC 0x008c
22#define __LC_PGM_INT_CODE 0x008e
23
24#define __LC_PER_ATMID 0x0096
25#define __LC_PER_ADDRESS 0x0098
26#define __LC_PER_ACCESS_ID 0x00a1
27#define __LC_AR_MODE_ID 0x00a3
28
29#define __LC_SUBCHANNEL_ID 0x00b8
30#define __LC_SUBCHANNEL_NR 0x00ba
31#define __LC_IO_INT_PARM 0x00bc
32#define __LC_IO_INT_WORD 0x00c0
33#define __LC_STFL_FAC_LIST 0x00c8
34#define __LC_MCCK_CODE 0x00e8
35
36#define __LC_DUMP_REIPL 0x0e00
37
38#ifndef __s390x__
39#define __LC_RST_NEW_PSW 0x0000
40#define __LC_RST_OLD_PSW 0x0008
41#define __LC_EXT_OLD_PSW 0x0018
42#define __LC_SVC_OLD_PSW 0x0020
43#define __LC_PGM_OLD_PSW 0x0028
44#define __LC_MCK_OLD_PSW 0x0030
45#define __LC_IO_OLD_PSW 0x0038
46#define __LC_EXT_NEW_PSW 0x0058
47#define __LC_SVC_NEW_PSW 0x0060
48#define __LC_PGM_NEW_PSW 0x0068
49#define __LC_MCK_NEW_PSW 0x0070
50#define __LC_IO_NEW_PSW 0x0078
51#define __LC_SAVE_AREA 0x0200
52#define __LC_RETURN_PSW 0x0240
53#define __LC_RETURN_MCCK_PSW 0x0248
54#define __LC_SYNC_ENTER_TIMER 0x0250
55#define __LC_ASYNC_ENTER_TIMER 0x0258
56#define __LC_EXIT_TIMER 0x0260
57#define __LC_USER_TIMER 0x0268
58#define __LC_SYSTEM_TIMER 0x0270
59#define __LC_STEAL_TIMER 0x0278
60#define __LC_LAST_UPDATE_TIMER 0x0280
61#define __LC_LAST_UPDATE_CLOCK 0x0288
62#define __LC_CURRENT 0x0290
63#define __LC_THREAD_INFO 0x0294
64#define __LC_KERNEL_STACK 0x0298
65#define __LC_ASYNC_STACK 0x029c
66#define __LC_PANIC_STACK 0x02a0
67#define __LC_KERNEL_ASCE 0x02a4
68#define __LC_USER_ASCE 0x02a8
69#define __LC_USER_EXEC_ASCE 0x02ac
70#define __LC_CPUID 0x02b0
71#define __LC_INT_CLOCK 0x02c8
72#define __LC_MACHINE_FLAGS 0x02d8
73#define __LC_FTRACE_FUNC 0x02dc
74#define __LC_IRB 0x0300
75#define __LC_PFAULT_INTPARM 0x0080
76#define __LC_CPU_TIMER_SAVE_AREA 0x00d8
77#define __LC_CLOCK_COMP_SAVE_AREA 0x00e0
78#define __LC_PSW_SAVE_AREA 0x0100
79#define __LC_PREFIX_SAVE_AREA 0x0108
80#define __LC_AREGS_SAVE_AREA 0x0120
81#define __LC_FPREGS_SAVE_AREA 0x0160
82#define __LC_GPREGS_SAVE_AREA 0x0180
83#define __LC_CREGS_SAVE_AREA 0x01c0
84#else /* __s390x__ */
85#define __LC_LAST_BREAK 0x0110
86#define __LC_RST_OLD_PSW 0x0120
87#define __LC_EXT_OLD_PSW 0x0130
88#define __LC_SVC_OLD_PSW 0x0140
89#define __LC_PGM_OLD_PSW 0x0150
90#define __LC_MCK_OLD_PSW 0x0160
91#define __LC_IO_OLD_PSW 0x0170
92#define __LC_RST_NEW_PSW 0x01a0
93#define __LC_EXT_NEW_PSW 0x01b0
94#define __LC_SVC_NEW_PSW 0x01c0
95#define __LC_PGM_NEW_PSW 0x01d0
96#define __LC_MCK_NEW_PSW 0x01e0
97#define __LC_IO_NEW_PSW 0x01f0
98#define __LC_SAVE_AREA 0x0200
99#define __LC_RETURN_PSW 0x0280
100#define __LC_RETURN_MCCK_PSW 0x0290
101#define __LC_SYNC_ENTER_TIMER 0x02a0
102#define __LC_ASYNC_ENTER_TIMER 0x02a8
103#define __LC_EXIT_TIMER 0x02b0
104#define __LC_USER_TIMER 0x02b8
105#define __LC_SYSTEM_TIMER 0x02c0
106#define __LC_STEAL_TIMER 0x02c8
107#define __LC_LAST_UPDATE_TIMER 0x02d0
108#define __LC_LAST_UPDATE_CLOCK 0x02d8
109#define __LC_CURRENT 0x02e0
110#define __LC_THREAD_INFO 0x02e8
111#define __LC_KERNEL_STACK 0x02f0
112#define __LC_ASYNC_STACK 0x02f8
113#define __LC_PANIC_STACK 0x0300
114#define __LC_KERNEL_ASCE 0x0308
115#define __LC_USER_ASCE 0x0310
116#define __LC_USER_EXEC_ASCE 0x0318
117#define __LC_CPUID 0x0320
118#define __LC_INT_CLOCK 0x0340
119#define __LC_VDSO_PER_CPU 0x0350
120#define __LC_MACHINE_FLAGS 0x0358
121#define __LC_FTRACE_FUNC 0x0360
122#define __LC_IRB 0x0380
123#define __LC_PASTE 0x03c0
124#define __LC_PFAULT_INTPARM 0x11b8
125#define __LC_FPREGS_SAVE_AREA 0x1200
126#define __LC_GPREGS_SAVE_AREA 0x1280
127#define __LC_PSW_SAVE_AREA 0x1300
128#define __LC_PREFIX_SAVE_AREA 0x1318
129#define __LC_FP_CREG_SAVE_AREA 0x131c
130#define __LC_TODREG_SAVE_AREA 0x1324
131#define __LC_CPU_TIMER_SAVE_AREA 0x1328
132#define __LC_CLOCK_COMP_SAVE_AREA 0x1331
133#define __LC_AREGS_SAVE_AREA 0x1340
134#define __LC_CREGS_SAVE_AREA 0x1380
135#endif /* __s390x__ */
136
137#ifndef __ASSEMBLY__
138
139#include <asm/cpu.h>
140#include <asm/ptrace.h>
141#include <linux/types.h> 11#include <linux/types.h>
12#include <asm/ptrace.h>
13#include <asm/cpu.h>
142 14
143void restart_int_handler(void); 15void restart_int_handler(void);
144void ext_int_handler(void); 16void ext_int_handler(void);
@@ -149,6 +21,9 @@ void io_int_handler(void);
149 21
150#ifdef CONFIG_32BIT 22#ifdef CONFIG_32BIT
151 23
24#define LC_ORDER 0
25#define LC_PAGES 1
26
152struct save_area { 27struct save_area {
153 u32 ext_save; 28 u32 ext_save;
154 u64 timer; 29 u64 timer;
@@ -161,46 +36,13 @@ struct save_area {
161 u64 fp_regs[4]; 36 u64 fp_regs[4];
162 u32 gp_regs[16]; 37 u32 gp_regs[16];
163 u32 ctrl_regs[16]; 38 u32 ctrl_regs[16];
164} __attribute__((packed)); 39} __packed;
165
166#define SAVE_AREA_BASE offsetof(struct _lowcore, extended_save_area_addr)
167
168#else /* CONFIG_32BIT */
169
170struct save_area {
171 u64 fp_regs[16];
172 u64 gp_regs[16];
173 u8 psw[16];
174 u8 pad1[8];
175 u32 pref_reg;
176 u32 fp_ctrl_reg;
177 u8 pad2[4];
178 u32 tod_reg;
179 u64 timer;
180 u64 clk_cmp;
181 u8 pad3[8];
182 u32 acc_regs[16];
183 u64 ctrl_regs[16];
184} __attribute__((packed));
185 40
186#define SAVE_AREA_BASE offsetof(struct _lowcore, floating_pt_save_area) 41struct _lowcore {
187
188#endif /* CONFIG_32BIT */
189
190#ifndef __s390x__
191#define LC_ORDER 0
192#else
193#define LC_ORDER 1
194#endif
195
196#define LC_PAGES (1UL << LC_ORDER)
197
198struct _lowcore
199{
200#ifndef __s390x__
201 /* 0x0000 - 0x01ff: defined by architecture */
202 psw_t restart_psw; /* 0x0000 */ 42 psw_t restart_psw; /* 0x0000 */
203 __u32 ccw2[4]; /* 0x0008 */ 43 psw_t restart_old_psw; /* 0x0008 */
44 __u8 pad_0x0010[0x0014-0x0010]; /* 0x0010 */
45 __u32 ipl_parmblock_ptr; /* 0x0014 */
204 psw_t external_old_psw; /* 0x0018 */ 46 psw_t external_old_psw; /* 0x0018 */
205 psw_t svc_old_psw; /* 0x0020 */ 47 psw_t svc_old_psw; /* 0x0020 */
206 psw_t program_old_psw; /* 0x0028 */ 48 psw_t program_old_psw; /* 0x0028 */
@@ -226,7 +68,9 @@ struct _lowcore
226 __u32 monitor_code; /* 0x009c */ 68 __u32 monitor_code; /* 0x009c */
227 __u8 exc_access_id; /* 0x00a0 */ 69 __u8 exc_access_id; /* 0x00a0 */
228 __u8 per_access_id; /* 0x00a1 */ 70 __u8 per_access_id; /* 0x00a1 */
229 __u8 pad_0x00a2[0x00b8-0x00a2]; /* 0x00a2 */ 71 __u8 op_access_id; /* 0x00a2 */
72 __u8 ar_access_id; /* 0x00a3 */
73 __u8 pad_0x00a4[0x00b8-0x00a4]; /* 0x00a4 */
230 __u16 subchannel_id; /* 0x00b8 */ 74 __u16 subchannel_id; /* 0x00b8 */
231 __u16 subchannel_nr; /* 0x00ba */ 75 __u16 subchannel_nr; /* 0x00ba */
232 __u32 io_int_parm; /* 0x00bc */ 76 __u32 io_int_parm; /* 0x00bc */
@@ -242,8 +86,9 @@ struct _lowcore
242 __u32 external_damage_code; /* 0x00f4 */ 86 __u32 external_damage_code; /* 0x00f4 */
243 __u32 failing_storage_address; /* 0x00f8 */ 87 __u32 failing_storage_address; /* 0x00f8 */
244 __u8 pad_0x00fc[0x0100-0x00fc]; /* 0x00fc */ 88 __u8 pad_0x00fc[0x0100-0x00fc]; /* 0x00fc */
245 __u32 st_status_fixed_logout[4]; /* 0x0100 */ 89 psw_t psw_save_area; /* 0x0100 */
246 __u8 pad_0x0110[0x0120-0x0110]; /* 0x0110 */ 90 __u32 prefixreg_save_area; /* 0x0108 */
91 __u8 pad_0x010c[0x0120-0x010c]; /* 0x010c */
247 92
248 /* CPU register save area: defined by architecture */ 93 /* CPU register save area: defined by architecture */
249 __u32 access_regs_save_area[16]; /* 0x0120 */ 94 __u32 access_regs_save_area[16]; /* 0x0120 */
@@ -307,10 +152,32 @@ struct _lowcore
307 152
308 /* Align to the top 1k of prefix area */ 153 /* Align to the top 1k of prefix area */
309 __u8 pad_0x0e08[0x1000-0x0e08]; /* 0x0e08 */ 154 __u8 pad_0x0e08[0x1000-0x0e08]; /* 0x0e08 */
310#else /* !__s390x__ */ 155} __packed;
311 /* 0x0000 - 0x01ff: defined by architecture */ 156
312 __u32 ccw1[2]; /* 0x0000 */ 157#else /* CONFIG_32BIT */
313 __u32 ccw2[4]; /* 0x0008 */ 158
159#define LC_ORDER 1
160#define LC_PAGES 2
161
162struct save_area {
163 u64 fp_regs[16];
164 u64 gp_regs[16];
165 u8 psw[16];
166 u8 pad1[8];
167 u32 pref_reg;
168 u32 fp_ctrl_reg;
169 u8 pad2[4];
170 u32 tod_reg;
171 u64 timer;
172 u64 clk_cmp;
173 u8 pad3[8];
174 u32 acc_regs[16];
175 u64 ctrl_regs[16];
176} __packed;
177
178struct _lowcore {
179 __u8 pad_0x0000[0x0014-0x0000]; /* 0x0000 */
180 __u32 ipl_parmblock_ptr; /* 0x0014 */
314 __u8 pad_0x0018[0x0080-0x0018]; /* 0x0018 */ 181 __u8 pad_0x0018[0x0080-0x0018]; /* 0x0018 */
315 __u32 ext_params; /* 0x0080 */ 182 __u32 ext_params; /* 0x0080 */
316 __u16 cpu_addr; /* 0x0084 */ 183 __u16 cpu_addr; /* 0x0084 */
@@ -341,7 +208,9 @@ struct _lowcore
341 __u8 pad_0x00f0[0x00f4-0x00f0]; /* 0x00f0 */ 208 __u8 pad_0x00f0[0x00f4-0x00f0]; /* 0x00f0 */
342 __u32 external_damage_code; /* 0x00f4 */ 209 __u32 external_damage_code; /* 0x00f4 */
343 addr_t failing_storage_address; /* 0x00f8 */ 210 addr_t failing_storage_address; /* 0x00f8 */
344 __u8 pad_0x0100[0x0120-0x0100]; /* 0x0100 */ 211 __u8 pad_0x0100[0x0110-0x0100]; /* 0x0100 */
212 __u64 breaking_event_addr; /* 0x0110 */
213 __u8 pad_0x0118[0x0120-0x0118]; /* 0x0118 */
345 psw_t restart_old_psw; /* 0x0120 */ 214 psw_t restart_old_psw; /* 0x0120 */
346 psw_t external_old_psw; /* 0x0130 */ 215 psw_t external_old_psw; /* 0x0130 */
347 psw_t svc_old_psw; /* 0x0140 */ 216 psw_t svc_old_psw; /* 0x0140 */
@@ -422,7 +291,7 @@ struct _lowcore
422 /* CPU register save area: defined by architecture */ 291 /* CPU register save area: defined by architecture */
423 __u64 floating_pt_save_area[16]; /* 0x1200 */ 292 __u64 floating_pt_save_area[16]; /* 0x1200 */
424 __u64 gpregs_save_area[16]; /* 0x1280 */ 293 __u64 gpregs_save_area[16]; /* 0x1280 */
425 __u32 st_status_fixed_logout[4]; /* 0x1300 */ 294 psw_t psw_save_area; /* 0x1300 */
426 __u8 pad_0x1310[0x1318-0x1310]; /* 0x1310 */ 295 __u8 pad_0x1310[0x1318-0x1310]; /* 0x1310 */
427 __u32 prefixreg_save_area; /* 0x1318 */ 296 __u32 prefixreg_save_area; /* 0x1318 */
428 __u32 fpt_creg_save_area; /* 0x131c */ 297 __u32 fpt_creg_save_area; /* 0x131c */
@@ -436,10 +305,12 @@ struct _lowcore
436 305
437 /* align to the top of the prefix area */ 306 /* align to the top of the prefix area */
438 __u8 pad_0x1400[0x2000-0x1400]; /* 0x1400 */ 307 __u8 pad_0x1400[0x2000-0x1400]; /* 0x1400 */
439#endif /* !__s390x__ */ 308} __packed;
440} __attribute__((packed)); /* End structure*/ 309
310#endif /* CONFIG_32BIT */
441 311
442#define S390_lowcore (*((struct _lowcore *) 0)) 312#define S390_lowcore (*((struct _lowcore *) 0))
313
443extern struct _lowcore *lowcore_ptr[]; 314extern struct _lowcore *lowcore_ptr[];
444 315
445static inline void set_prefix(__u32 address) 316static inline void set_prefix(__u32 address)
@@ -455,6 +326,4 @@ static inline __u32 store_prefix(void)
455 return address; 326 return address;
456} 327}
457 328
458#endif 329#endif /* _ASM_S390_LOWCORE_H */
459
460#endif
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 76f530b65f00..9ab6bd3a65d1 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -14,14 +14,14 @@
14 14
15#ifdef __KERNEL__ 15#ifdef __KERNEL__
16 16
17#include <asm/lowcore.h>
18#include <asm/types.h>
19
20#define PARMAREA 0x10400 17#define PARMAREA 0x10400
21#define MEMORY_CHUNKS 256 18#define MEMORY_CHUNKS 256
22 19
23#ifndef __ASSEMBLY__ 20#ifndef __ASSEMBLY__
24 21
22#include <asm/lowcore.h>
23#include <asm/types.h>
24
25#ifndef __s390x__ 25#ifndef __s390x__
26#define IPL_DEVICE (*(unsigned long *) (0x10404)) 26#define IPL_DEVICE (*(unsigned long *) (0x10404))
27#define INITRD_START (*(unsigned long *) (0x1040C)) 27#define INITRD_START (*(unsigned long *) (0x1040C))
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 66069e736842..34f0873d6525 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -73,7 +73,7 @@ struct thread_info {
73/* how to get the thread information struct from C */ 73/* how to get the thread information struct from C */
74static inline struct thread_info *current_thread_info(void) 74static inline struct thread_info *current_thread_info(void)
75{ 75{
76 return (struct thread_info *)((*(unsigned long *) __LC_KERNEL_STACK)-THREAD_SIZE); 76 return (struct thread_info *)(S390_lowcore.kernel_stack - THREAD_SIZE);
77} 77}
78 78
79#define THREAD_SIZE_ORDER THREAD_ORDER 79#define THREAD_SIZE_ORDER THREAD_ORDER
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index a5850a0cfe80..08db736dded0 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -4,8 +4,10 @@
4 * and format the required data. 4 * and format the required data.
5 */ 5 */
6 6
7#include <linux/sched.h> 7#define ASM_OFFSETS_C
8
8#include <linux/kbuild.h> 9#include <linux/kbuild.h>
10#include <linux/sched.h>
9#include <asm/vdso.h> 11#include <asm/vdso.h>
10#include <asm/sigp.h> 12#include <asm/sigp.h>
11 13
@@ -22,8 +24,7 @@ int main(void)
22 DEFINE(__THREAD_info, offsetof(struct task_struct, stack)); 24 DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
23 DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp)); 25 DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
24 DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info)); 26 DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info));
25 DEFINE(__THREAD_mm_segment, 27 DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment));
26 offsetof(struct task_struct, thread.mm_segment));
27 BLANK(); 28 BLANK();
28 DEFINE(__TASK_pid, offsetof(struct task_struct, pid)); 29 DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
29 BLANK(); 30 BLANK();
@@ -60,18 +61,94 @@ int main(void)
60 DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec)); 61 DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
61 DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest)); 62 DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest));
62 DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available)); 63 DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available));
63 DEFINE(__VDSO_ECTG_BASE, 64 DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base));
64 offsetof(struct vdso_per_cpu_data, ectg_timer_base)); 65 DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time));
65 DEFINE(__VDSO_ECTG_USER,
66 offsetof(struct vdso_per_cpu_data, ectg_user_time));
67 /* constants used by the vdso */ 66 /* constants used by the vdso */
68 DEFINE(CLOCK_REALTIME, CLOCK_REALTIME); 67 DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
69 DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC); 68 DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
70 DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC); 69 DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
70 BLANK();
71 /* constants for SIGP */ 71 /* constants for SIGP */
72 DEFINE(__SIGP_STOP, sigp_stop); 72 DEFINE(__SIGP_STOP, sigp_stop);
73 DEFINE(__SIGP_RESTART, sigp_restart); 73 DEFINE(__SIGP_RESTART, sigp_restart);
74 DEFINE(__SIGP_SENSE, sigp_sense); 74 DEFINE(__SIGP_SENSE, sigp_sense);
75 DEFINE(__SIGP_INITIAL_CPU_RESET, sigp_initial_cpu_reset); 75 DEFINE(__SIGP_INITIAL_CPU_RESET, sigp_initial_cpu_reset);
76 BLANK();
77 /* lowcore offsets */
78 DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params));
79 DEFINE(__LC_CPU_ADDRESS, offsetof(struct _lowcore, cpu_addr));
80 DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code));
81 DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc));
82 DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code));
83 DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc));
84 DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code));
85 DEFINE(__LC_PER_ATMID, offsetof(struct _lowcore, per_perc_atmid));
86 DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
87 DEFINE(__LC_PER_ACCESS_ID, offsetof(struct _lowcore, per_access_id));
88 DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_access_id));
89 DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id));
90 DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr));
91 DEFINE(__LC_IO_INT_PARM, offsetof(struct _lowcore, io_int_parm));
92 DEFINE(__LC_IO_INT_WORD, offsetof(struct _lowcore, io_int_word));
93 DEFINE(__LC_STFL_FAC_LIST, offsetof(struct _lowcore, stfl_fac_list));
94 DEFINE(__LC_MCCK_CODE, offsetof(struct _lowcore, mcck_interruption_code));
95 DEFINE(__LC_DUMP_REIPL, offsetof(struct _lowcore, ipib));
96 BLANK();
97 DEFINE(__LC_RST_NEW_PSW, offsetof(struct _lowcore, restart_psw));
98 DEFINE(__LC_RST_OLD_PSW, offsetof(struct _lowcore, restart_old_psw));
99 DEFINE(__LC_EXT_OLD_PSW, offsetof(struct _lowcore, external_old_psw));
100 DEFINE(__LC_SVC_OLD_PSW, offsetof(struct _lowcore, svc_old_psw));
101 DEFINE(__LC_PGM_OLD_PSW, offsetof(struct _lowcore, program_old_psw));
102 DEFINE(__LC_MCK_OLD_PSW, offsetof(struct _lowcore, mcck_old_psw));
103 DEFINE(__LC_IO_OLD_PSW, offsetof(struct _lowcore, io_old_psw));
104 DEFINE(__LC_EXT_NEW_PSW, offsetof(struct _lowcore, external_new_psw));
105 DEFINE(__LC_SVC_NEW_PSW, offsetof(struct _lowcore, svc_new_psw));
106 DEFINE(__LC_PGM_NEW_PSW, offsetof(struct _lowcore, program_new_psw));
107 DEFINE(__LC_MCK_NEW_PSW, offsetof(struct _lowcore, mcck_new_psw));
108 DEFINE(__LC_IO_NEW_PSW, offsetof(struct _lowcore, io_new_psw));
109 DEFINE(__LC_SAVE_AREA, offsetof(struct _lowcore, save_area));
110 DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
111 DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
112 DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
113 DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
114 DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
115 DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
116 DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
117 DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
118 DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
119 DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
120 DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
121 DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info));
122 DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
123 DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
124 DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
125 DEFINE(__LC_KERNEL_ASCE, offsetof(struct _lowcore, kernel_asce));
126 DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
127 DEFINE(__LC_USER_EXEC_ASCE, offsetof(struct _lowcore, user_exec_asce));
128 DEFINE(__LC_CPUID, offsetof(struct _lowcore, cpu_id));
129 DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
130 DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
131 DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
132 DEFINE(__LC_IRB, offsetof(struct _lowcore, irb));
133 DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
134 DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
135 DEFINE(__LC_PSW_SAVE_AREA, offsetof(struct _lowcore, psw_save_area));
136 DEFINE(__LC_PREFIX_SAVE_AREA, offsetof(struct _lowcore, prefixreg_save_area));
137 DEFINE(__LC_AREGS_SAVE_AREA, offsetof(struct _lowcore, access_regs_save_area));
138 DEFINE(__LC_FPREGS_SAVE_AREA, offsetof(struct _lowcore, floating_pt_save_area));
139 DEFINE(__LC_GPREGS_SAVE_AREA, offsetof(struct _lowcore, gpregs_save_area));
140 DEFINE(__LC_CREGS_SAVE_AREA, offsetof(struct _lowcore, cregs_save_area));
141#ifdef CONFIG_32BIT
142 DEFINE(__LC_PFAULT_INTPARM, offsetof(struct _lowcore, ext_params));
143 DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr));
144#else /* CONFIG_32BIT */
145 DEFINE(__LC_PFAULT_INTPARM, offsetof(struct _lowcore, ext_params2));
146 DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2));
147 DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area));
148 DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
149 DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
150 DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
151 DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
152#endif /* CONFIG_32BIT */
76 return 0; 153 return 0;
77} 154}
diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S
index dc7e5259770f..15e46ca94335 100644
--- a/arch/s390/kernel/base.S
+++ b/arch/s390/kernel/base.S
@@ -6,8 +6,8 @@
6 * Michael Holzheu <holzheu@de.ibm.com> 6 * Michael Holzheu <holzheu@de.ibm.com>
7 */ 7 */
8 8
9#include <asm/asm-offsets.h>
9#include <asm/ptrace.h> 10#include <asm/ptrace.h>
10#include <asm/lowcore.h>
11 11
12#ifdef CONFIG_64BIT 12#ifdef CONFIG_64BIT
13 13
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index e8ef21c51bbe..4348f9bc5393 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -13,7 +13,6 @@
13#include <linux/linkage.h> 13#include <linux/linkage.h>
14#include <linux/init.h> 14#include <linux/init.h>
15#include <asm/cache.h> 15#include <asm/cache.h>
16#include <asm/lowcore.h>
17#include <asm/errno.h> 16#include <asm/errno.h>
18#include <asm/ptrace.h> 17#include <asm/ptrace.h>
19#include <asm/thread_info.h> 18#include <asm/thread_info.h>
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index f33658f09dd7..29fd0f1e6ec4 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -9,11 +9,9 @@
9 * Heiko Carstens <heiko.carstens@de.ibm.com> 9 * Heiko Carstens <heiko.carstens@de.ibm.com>
10 */ 10 */
11 11
12#include <linux/sys.h>
13#include <linux/linkage.h> 12#include <linux/linkage.h>
14#include <linux/init.h> 13#include <linux/init.h>
15#include <asm/cache.h> 14#include <asm/cache.h>
16#include <asm/lowcore.h>
17#include <asm/errno.h> 15#include <asm/errno.h>
18#include <asm/ptrace.h> 16#include <asm/ptrace.h>
19#include <asm/thread_info.h> 17#include <asm/thread_info.h>
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 5a82bc68193e..314d8f09cf31 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -13,7 +13,7 @@
13#include <linux/kernel.h> 13#include <linux/kernel.h>
14#include <linux/types.h> 14#include <linux/types.h>
15#include <trace/syscall.h> 15#include <trace/syscall.h>
16#include <asm/lowcore.h> 16#include <asm/asm-offsets.h>
17 17
18#ifdef CONFIG_DYNAMIC_FTRACE 18#ifdef CONFIG_DYNAMIC_FTRACE
19 19
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index c52b4f7742fa..9e4dc6084875 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -23,7 +23,6 @@
23 23
24#include <linux/init.h> 24#include <linux/init.h>
25#include <asm/setup.h> 25#include <asm/setup.h>
26#include <asm/lowcore.h>
27#include <asm/asm-offsets.h> 26#include <asm/asm-offsets.h>
28#include <asm/thread_info.h> 27#include <asm/thread_info.h>
29#include <asm/page.h> 28#include <asm/page.h>
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 998bde3ec5ea..7eedbbcb54aa 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -1917,7 +1917,6 @@ void __init ipl_update_parameters(void)
1917void __init ipl_save_parameters(void) 1917void __init ipl_save_parameters(void)
1918{ 1918{
1919 struct cio_iplinfo iplinfo; 1919 struct cio_iplinfo iplinfo;
1920 unsigned int *ipl_ptr;
1921 void *src, *dst; 1920 void *src, *dst;
1922 1921
1923 if (cio_get_iplinfo(&iplinfo)) 1922 if (cio_get_iplinfo(&iplinfo))
@@ -1928,11 +1927,10 @@ void __init ipl_save_parameters(void)
1928 if (!iplinfo.is_qdio) 1927 if (!iplinfo.is_qdio)
1929 return; 1928 return;
1930 ipl_flags |= IPL_PARMBLOCK_VALID; 1929 ipl_flags |= IPL_PARMBLOCK_VALID;
1931 ipl_ptr = (unsigned int *)__LC_IPL_PARMBLOCK_PTR; 1930 src = (void *)(unsigned long)S390_lowcore.ipl_parmblock_ptr;
1932 src = (void *)(unsigned long)*ipl_ptr;
1933 dst = (void *)IPL_PARMBLOCK_ORIGIN; 1931 dst = (void *)IPL_PARMBLOCK_ORIGIN;
1934 memmove(dst, src, PAGE_SIZE); 1932 memmove(dst, src, PAGE_SIZE);
1935 *ipl_ptr = IPL_PARMBLOCK_ORIGIN; 1933 S390_lowcore.ipl_parmblock_ptr = IPL_PARMBLOCK_ORIGIN;
1936} 1934}
1937 1935
1938static LIST_HEAD(rcall); 1936static LIST_HEAD(rcall);
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
index 2f481cc3d1c9..cb899d9f8505 100644
--- a/arch/s390/kernel/reipl.S
+++ b/arch/s390/kernel/reipl.S
@@ -6,7 +6,7 @@
6 * Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com) 6 * Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com)
7 */ 7 */
8 8
9#include <asm/lowcore.h> 9#include <asm/asm-offsets.h>
10 10
11# 11#
12# do_reipl_asm 12# do_reipl_asm
diff --git a/arch/s390/kernel/reipl64.S b/arch/s390/kernel/reipl64.S
index 774147824c3d..5e73dee63baa 100644
--- a/arch/s390/kernel/reipl64.S
+++ b/arch/s390/kernel/reipl64.S
@@ -4,7 +4,7 @@
4 * Denis Joseph Barrow, 4 * Denis Joseph Barrow,
5 */ 5 */
6 6
7#include <asm/lowcore.h> 7#include <asm/asm-offsets.h>
8 8
9# 9#
10# do_reipl_asm 10# do_reipl_asm
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index d9fb98cde0fa..77a63ae419f0 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -396,15 +396,12 @@ static void __init
396setup_lowcore(void) 396setup_lowcore(void)
397{ 397{
398 struct _lowcore *lc; 398 struct _lowcore *lc;
399 int lc_pages;
400 399
401 /* 400 /*
402 * Setup lowcore for boot cpu 401 * Setup lowcore for boot cpu
403 */ 402 */
404 lc_pages = sizeof(void *) == 8 ? 2 : 1; 403 BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096);
405 lc = (struct _lowcore *) 404 lc = __alloc_bootmem(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0);
406 __alloc_bootmem(lc_pages * PAGE_SIZE, lc_pages * PAGE_SIZE, 0);
407 memset(lc, 0, lc_pages * PAGE_SIZE);
408 lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY; 405 lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY;
409 lc->restart_psw.addr = 406 lc->restart_psw.addr =
410 PSW_ADDR_AMODE | (unsigned long) restart_int_handler; 407 PSW_ADDR_AMODE | (unsigned long) restart_int_handler;
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index d8a0b115c7c1..8b10127c00ad 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -36,6 +36,7 @@
36#include <linux/cpu.h> 36#include <linux/cpu.h>
37#include <linux/timex.h> 37#include <linux/timex.h>
38#include <linux/bootmem.h> 38#include <linux/bootmem.h>
39#include <asm/asm-offsets.h>
39#include <asm/ipl.h> 40#include <asm/ipl.h>
40#include <asm/setup.h> 41#include <asm/setup.h>
41#include <asm/sigp.h> 42#include <asm/sigp.h>
@@ -121,7 +122,7 @@ void smp_switch_to_ipl_cpu(void (*func)(void *), void *data)
121 sp -= sizeof(struct pt_regs); 122 sp -= sizeof(struct pt_regs);
122 regs = (struct pt_regs *) sp; 123 regs = (struct pt_regs *) sp;
123 memcpy(&regs->gprs, &current_lc->gpregs_save_area, sizeof(regs->gprs)); 124 memcpy(&regs->gprs, &current_lc->gpregs_save_area, sizeof(regs->gprs));
124 memcpy(&regs->psw, &current_lc->st_status_fixed_logout, sizeof(psw_t)); 125 regs->psw = lc->psw_save_area;
125 sp -= STACK_FRAME_OVERHEAD; 126 sp -= STACK_FRAME_OVERHEAD;
126 sf = (struct stack_frame *) sp; 127 sf = (struct stack_frame *) sp;
127 sf->back_chain = regs->gprs[15]; 128 sf->back_chain = regs->gprs[15];
diff --git a/arch/s390/kernel/switch_cpu.S b/arch/s390/kernel/switch_cpu.S
index c05ee6c221d8..469f11b574fa 100644
--- a/arch/s390/kernel/switch_cpu.S
+++ b/arch/s390/kernel/switch_cpu.S
@@ -6,7 +6,6 @@
6 */ 6 */
7 7
8#include <asm/asm-offsets.h> 8#include <asm/asm-offsets.h>
9#include <asm/lowcore.h>
10#include <asm/ptrace.h> 9#include <asm/ptrace.h>
11 10
12# smp_switch_to_cpu switches to destination cpu and executes the passed function 11# smp_switch_to_cpu switches to destination cpu and executes the passed function
diff --git a/arch/s390/kernel/switch_cpu64.S b/arch/s390/kernel/switch_cpu64.S
index c73ede3c1d68..d94aacc898cb 100644
--- a/arch/s390/kernel/switch_cpu64.S
+++ b/arch/s390/kernel/switch_cpu64.S
@@ -6,7 +6,6 @@
6 */ 6 */
7 7
8#include <asm/asm-offsets.h> 8#include <asm/asm-offsets.h>
9#include <asm/lowcore.h>
10#include <asm/ptrace.h> 9#include <asm/ptrace.h>
11 10
12# smp_switch_to_cpu switches to destination cpu and executes the passed function 11# smp_switch_to_cpu switches to destination cpu and executes the passed function
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 5f99e66c51c3..6bc9c197aa91 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -23,6 +23,7 @@
23#include <linux/security.h> 23#include <linux/security.h>
24#include <linux/bootmem.h> 24#include <linux/bootmem.h>
25#include <linux/compat.h> 25#include <linux/compat.h>
26#include <asm/asm-offsets.h>
26#include <asm/pgtable.h> 27#include <asm/pgtable.h>
27#include <asm/system.h> 28#include <asm/system.h>
28#include <asm/processor.h> 29#include <asm/processor.h>
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index da20c3df3ec1..834774d8d5f3 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -10,12 +10,12 @@
10 * Author(s): Carsten Otte <cotte@de.ibm.com> 10 * Author(s): Carsten Otte <cotte@de.ibm.com>
11 */ 11 */
12 12
13#include <asm/lowcore.h>
14#include <asm/uaccess.h>
15#include <linux/hrtimer.h>
16#include <linux/interrupt.h> 13#include <linux/interrupt.h>
17#include <linux/kvm_host.h> 14#include <linux/kvm_host.h>
15#include <linux/hrtimer.h>
18#include <linux/signal.h> 16#include <linux/signal.h>
17#include <asm/asm-offsets.h>
18#include <asm/uaccess.h>
19#include "kvm-s390.h" 19#include "kvm-s390.h"
20#include "gaccess.h" 20#include "gaccess.h"
21 21
@@ -187,8 +187,8 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
187 if (rc == -EFAULT) 187 if (rc == -EFAULT)
188 exception = 1; 188 exception = 1;
189 189
190 rc = put_guest_u64(vcpu, __LC_PFAULT_INTPARM, 190 rc = put_guest_u64(vcpu, __LC_EXT_PARAMS2,
191 inti->ext.ext_params2); 191 inti->ext.ext_params2);
192 if (rc == -EFAULT) 192 if (rc == -EFAULT)
193 exception = 1; 193 exception = 1;
194 break; 194 break;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 7f19340481b7..3fa0a10e4668 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -23,6 +23,7 @@
23#include <linux/module.h> 23#include <linux/module.h>
24#include <linux/slab.h> 24#include <linux/slab.h>
25#include <linux/timer.h> 25#include <linux/timer.h>
26#include <asm/asm-offsets.h>
26#include <asm/lowcore.h> 27#include <asm/lowcore.h>
27#include <asm/pgtable.h> 28#include <asm/pgtable.h>
28#include <asm/nmi.h> 29#include <asm/nmi.h>
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index fc102e70d9c2..8af5b3cbed50 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -30,6 +30,7 @@
30#include <linux/kprobes.h> 30#include <linux/kprobes.h>
31#include <linux/uaccess.h> 31#include <linux/uaccess.h>
32#include <linux/hugetlb.h> 32#include <linux/hugetlb.h>
33#include <asm/asm-offsets.h>
33#include <asm/system.h> 34#include <asm/system.h>
34#include <asm/pgtable.h> 35#include <asm/pgtable.h>
35#include <asm/s390_ext.h> 36#include <asm/s390_ext.h>
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-24 17:01:38 -0500