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[qemu.git] / target-s390x / cpu.h
1 /*
2 * S/390 virtual CPU header
3 *
4 * Copyright (c) 2009 Ulrich Hecht
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19 #ifndef CPU_S390X_H
20 #define CPU_S390X_H
21
22 #include "config.h"
23 #include "qemu-common.h"
24
25 #define TARGET_LONG_BITS 64
26
27 #define ELF_MACHINE EM_S390
28
29 #define CPUArchState struct CPUS390XState
30
31 #include "exec/cpu-defs.h"
32 #define TARGET_PAGE_BITS 12
33
34 #define TARGET_PHYS_ADDR_SPACE_BITS 64
35 #define TARGET_VIRT_ADDR_SPACE_BITS 64
36
37 #include "exec/cpu-all.h"
38
39 #include "fpu/softfloat.h"
40
41 #define NB_MMU_MODES 3
42
43 #define MMU_MODE0_SUFFIX _primary
44 #define MMU_MODE1_SUFFIX _secondary
45 #define MMU_MODE2_SUFFIX _home
46
47 #define MMU_USER_IDX 1
48
49 #define MAX_EXT_QUEUE 16
50
51 typedef struct PSW {
52 uint64_t mask;
53 uint64_t addr;
54 } PSW;
55
56 typedef struct ExtQueue {
57 uint32_t code;
58 uint32_t param;
59 uint32_t param64;
60 } ExtQueue;
61
62 typedef struct CPUS390XState {
63 uint64_t regs[16]; /* GP registers */
64
65 uint32_t aregs[16]; /* access registers */
66
67 uint32_t fpc; /* floating-point control register */
68 CPU_DoubleU fregs[16]; /* FP registers */
69 float_status fpu_status; /* passed to softfloat lib */
70
71 PSW psw;
72
73 uint32_t cc_op;
74 uint64_t cc_src;
75 uint64_t cc_dst;
76 uint64_t cc_vr;
77
78 uint64_t __excp_addr;
79 uint64_t psa;
80
81 uint32_t int_pgm_code;
82 uint32_t int_pgm_ilc;
83
84 uint32_t int_svc_code;
85 uint32_t int_svc_ilc;
86
87 uint64_t cregs[16]; /* control registers */
88
89 int pending_int;
90 ExtQueue ext_queue[MAX_EXT_QUEUE];
91
92 int ext_index;
93
94 CPU_COMMON
95
96 /* reset does memset(0) up to here */
97
98 int cpu_num;
99 uint8_t *storage_keys;
100
101 uint64_t tod_offset;
102 uint64_t tod_basetime;
103 QEMUTimer *tod_timer;
104
105 QEMUTimer *cpu_timer;
106 } CPUS390XState;
107
108 #include "cpu-qom.h"
109
110 #if defined(CONFIG_USER_ONLY)
111 static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
112 {
113 if (newsp) {
114 env->regs[15] = newsp;
115 }
116 env->regs[0] = 0;
117 }
118 #endif
119
120 /* Interrupt Codes */
121 /* Program Interrupts */
122 #define PGM_OPERATION 0x0001
123 #define PGM_PRIVILEGED 0x0002
124 #define PGM_EXECUTE 0x0003
125 #define PGM_PROTECTION 0x0004
126 #define PGM_ADDRESSING 0x0005
127 #define PGM_SPECIFICATION 0x0006
128 #define PGM_DATA 0x0007
129 #define PGM_FIXPT_OVERFLOW 0x0008
130 #define PGM_FIXPT_DIVIDE 0x0009
131 #define PGM_DEC_OVERFLOW 0x000a
132 #define PGM_DEC_DIVIDE 0x000b
133 #define PGM_HFP_EXP_OVERFLOW 0x000c
134 #define PGM_HFP_EXP_UNDERFLOW 0x000d
135 #define PGM_HFP_SIGNIFICANCE 0x000e
136 #define PGM_HFP_DIVIDE 0x000f
137 #define PGM_SEGMENT_TRANS 0x0010
138 #define PGM_PAGE_TRANS 0x0011
139 #define PGM_TRANS_SPEC 0x0012
140 #define PGM_SPECIAL_OP 0x0013
141 #define PGM_OPERAND 0x0015
142 #define PGM_TRACE_TABLE 0x0016
143 #define PGM_SPACE_SWITCH 0x001c
144 #define PGM_HFP_SQRT 0x001d
145 #define PGM_PC_TRANS_SPEC 0x001f
146 #define PGM_AFX_TRANS 0x0020
147 #define PGM_ASX_TRANS 0x0021
148 #define PGM_LX_TRANS 0x0022
149 #define PGM_EX_TRANS 0x0023
150 #define PGM_PRIM_AUTH 0x0024
151 #define PGM_SEC_AUTH 0x0025
152 #define PGM_ALET_SPEC 0x0028
153 #define PGM_ALEN_SPEC 0x0029
154 #define PGM_ALE_SEQ 0x002a
155 #define PGM_ASTE_VALID 0x002b
156 #define PGM_ASTE_SEQ 0x002c
157 #define PGM_EXT_AUTH 0x002d
158 #define PGM_STACK_FULL 0x0030
159 #define PGM_STACK_EMPTY 0x0031
160 #define PGM_STACK_SPEC 0x0032
161 #define PGM_STACK_TYPE 0x0033
162 #define PGM_STACK_OP 0x0034
163 #define PGM_ASCE_TYPE 0x0038
164 #define PGM_REG_FIRST_TRANS 0x0039
165 #define PGM_REG_SEC_TRANS 0x003a
166 #define PGM_REG_THIRD_TRANS 0x003b
167 #define PGM_MONITOR 0x0040
168 #define PGM_PER 0x0080
169 #define PGM_CRYPTO 0x0119
170
171 /* External Interrupts */
172 #define EXT_INTERRUPT_KEY 0x0040
173 #define EXT_CLOCK_COMP 0x1004
174 #define EXT_CPU_TIMER 0x1005
175 #define EXT_MALFUNCTION 0x1200
176 #define EXT_EMERGENCY 0x1201
177 #define EXT_EXTERNAL_CALL 0x1202
178 #define EXT_ETR 0x1406
179 #define EXT_SERVICE 0x2401
180 #define EXT_VIRTIO 0x2603
181
182 /* PSW defines */
183 #undef PSW_MASK_PER
184 #undef PSW_MASK_DAT
185 #undef PSW_MASK_IO
186 #undef PSW_MASK_EXT
187 #undef PSW_MASK_KEY
188 #undef PSW_SHIFT_KEY
189 #undef PSW_MASK_MCHECK
190 #undef PSW_MASK_WAIT
191 #undef PSW_MASK_PSTATE
192 #undef PSW_MASK_ASC
193 #undef PSW_MASK_CC
194 #undef PSW_MASK_PM
195 #undef PSW_MASK_64
196
197 #define PSW_MASK_PER 0x4000000000000000ULL
198 #define PSW_MASK_DAT 0x0400000000000000ULL
199 #define PSW_MASK_IO 0x0200000000000000ULL
200 #define PSW_MASK_EXT 0x0100000000000000ULL
201 #define PSW_MASK_KEY 0x00F0000000000000ULL
202 #define PSW_SHIFT_KEY 56
203 #define PSW_MASK_MCHECK 0x0004000000000000ULL
204 #define PSW_MASK_WAIT 0x0002000000000000ULL
205 #define PSW_MASK_PSTATE 0x0001000000000000ULL
206 #define PSW_MASK_ASC 0x0000C00000000000ULL
207 #define PSW_MASK_CC 0x0000300000000000ULL
208 #define PSW_MASK_PM 0x00000F0000000000ULL
209 #define PSW_MASK_64 0x0000000100000000ULL
210 #define PSW_MASK_32 0x0000000080000000ULL
211
212 #undef PSW_ASC_PRIMARY
213 #undef PSW_ASC_ACCREG
214 #undef PSW_ASC_SECONDARY
215 #undef PSW_ASC_HOME
216
217 #define PSW_ASC_PRIMARY 0x0000000000000000ULL
218 #define PSW_ASC_ACCREG 0x0000400000000000ULL
219 #define PSW_ASC_SECONDARY 0x0000800000000000ULL
220 #define PSW_ASC_HOME 0x0000C00000000000ULL
221
222 /* tb flags */
223
224 #define FLAG_MASK_PER (PSW_MASK_PER >> 32)
225 #define FLAG_MASK_DAT (PSW_MASK_DAT >> 32)
226 #define FLAG_MASK_IO (PSW_MASK_IO >> 32)
227 #define FLAG_MASK_EXT (PSW_MASK_EXT >> 32)
228 #define FLAG_MASK_KEY (PSW_MASK_KEY >> 32)
229 #define FLAG_MASK_MCHECK (PSW_MASK_MCHECK >> 32)
230 #define FLAG_MASK_WAIT (PSW_MASK_WAIT >> 32)
231 #define FLAG_MASK_PSTATE (PSW_MASK_PSTATE >> 32)
232 #define FLAG_MASK_ASC (PSW_MASK_ASC >> 32)
233 #define FLAG_MASK_CC (PSW_MASK_CC >> 32)
234 #define FLAG_MASK_PM (PSW_MASK_PM >> 32)
235 #define FLAG_MASK_64 (PSW_MASK_64 >> 32)
236 #define FLAG_MASK_32 0x00001000
237
238 static inline int cpu_mmu_index (CPUS390XState *env)
239 {
240 if (env->psw.mask & PSW_MASK_PSTATE) {
241 return 1;
242 }
243
244 return 0;
245 }
246
247 static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc,
248 target_ulong *cs_base, int *flags)
249 {
250 *pc = env->psw.addr;
251 *cs_base = 0;
252 *flags = ((env->psw.mask >> 32) & ~FLAG_MASK_CC) |
253 ((env->psw.mask & PSW_MASK_32) ? FLAG_MASK_32 : 0);
254 }
255
256 static inline int get_ilc(uint8_t opc)
257 {
258 switch (opc >> 6) {
259 case 0:
260 return 1;
261 case 1:
262 case 2:
263 return 2;
264 case 3:
265 return 3;
266 }
267
268 return 0;
269 }
270
271 #define ILC_LATER 0x20
272 #define ILC_LATER_INC 0x21
273 #define ILC_LATER_INC_2 0x22
274
275
276 S390CPU *cpu_s390x_init(const char *cpu_model);
277 void s390x_translate_init(void);
278 int cpu_s390x_exec(CPUS390XState *s);
279 void cpu_s390x_close(CPUS390XState *s);
280 void do_interrupt (CPUS390XState *env);
281
282 /* you can call this signal handler from your SIGBUS and SIGSEGV
283 signal handlers to inform the virtual CPU of exceptions. non zero
284 is returned if the signal was handled by the virtual CPU. */
285 int cpu_s390x_signal_handler(int host_signum, void *pinfo,
286 void *puc);
287 int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw,
288 int mmu_idx);
289 #define cpu_handle_mmu_fault cpu_s390x_handle_mmu_fault
290
291
292 #ifndef CONFIG_USER_ONLY
293 void s390x_tod_timer(void *opaque);
294 void s390x_cpu_timer(void *opaque);
295
296 int s390_virtio_hypercall(CPUS390XState *env, uint64_t mem, uint64_t hypercall);
297
298 #ifdef CONFIG_KVM
299 void kvm_s390_interrupt(S390CPU *cpu, int type, uint32_t code);
300 void kvm_s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token);
301 void kvm_s390_interrupt_internal(S390CPU *cpu, int type, uint32_t parm,
302 uint64_t parm64, int vm);
303 #else
304 static inline void kvm_s390_interrupt(S390CPU *cpu, int type, uint32_t code)
305 {
306 }
307
308 static inline void kvm_s390_virtio_irq(S390CPU *cpu, int config_change,
309 uint64_t token)
310 {
311 }
312
313 static inline void kvm_s390_interrupt_internal(S390CPU *cpu, int type,
314 uint32_t parm, uint64_t parm64,
315 int vm)
316 {
317 }
318 #endif
319 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr);
320 void s390_add_running_cpu(CPUS390XState *env);
321 unsigned s390_del_running_cpu(CPUS390XState *env);
322
323 /* service interrupts are floating therefore we must not pass an cpustate */
324 void s390_sclp_extint(uint32_t parm);
325
326 /* from s390-virtio-bus */
327 extern const hwaddr virtio_size;
328
329 #else
330 static inline void s390_add_running_cpu(CPUS390XState *env)
331 {
332 }
333
334 static inline unsigned s390_del_running_cpu(CPUS390XState *env)
335 {
336 return 0;
337 }
338 #endif
339 void cpu_lock(void);
340 void cpu_unlock(void);
341
342 static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
343 {
344 env->aregs[0] = newtls >> 32;
345 env->aregs[1] = newtls & 0xffffffffULL;
346 }
347
348 #define cpu_init(model) (&cpu_s390x_init(model)->env)
349 #define cpu_exec cpu_s390x_exec
350 #define cpu_gen_code cpu_s390x_gen_code
351 #define cpu_signal_handler cpu_s390x_signal_handler
352
353 #include "exec/exec-all.h"
354
355 #ifdef CONFIG_USER_ONLY
356
357 #define EXCP_OPEX 1 /* operation exception (sigill) */
358 #define EXCP_SVC 2 /* supervisor call (syscall) */
359 #define EXCP_ADDR 5 /* addressing exception */
360 #define EXCP_SPEC 6 /* specification exception */
361
362 #else
363
364 #define EXCP_EXT 1 /* external interrupt */
365 #define EXCP_SVC 2 /* supervisor call (syscall) */
366 #define EXCP_PGM 3 /* program interruption */
367
368 #endif /* CONFIG_USER_ONLY */
369
370 #define INTERRUPT_EXT (1 << 0)
371 #define INTERRUPT_TOD (1 << 1)
372 #define INTERRUPT_CPUTIMER (1 << 2)
373
374 /* Program Status Word. */
375 #define S390_PSWM_REGNUM 0
376 #define S390_PSWA_REGNUM 1
377 /* General Purpose Registers. */
378 #define S390_R0_REGNUM 2
379 #define S390_R1_REGNUM 3
380 #define S390_R2_REGNUM 4
381 #define S390_R3_REGNUM 5
382 #define S390_R4_REGNUM 6
383 #define S390_R5_REGNUM 7
384 #define S390_R6_REGNUM 8
385 #define S390_R7_REGNUM 9
386 #define S390_R8_REGNUM 10
387 #define S390_R9_REGNUM 11
388 #define S390_R10_REGNUM 12
389 #define S390_R11_REGNUM 13
390 #define S390_R12_REGNUM 14
391 #define S390_R13_REGNUM 15
392 #define S390_R14_REGNUM 16
393 #define S390_R15_REGNUM 17
394 /* Access Registers. */
395 #define S390_A0_REGNUM 18
396 #define S390_A1_REGNUM 19
397 #define S390_A2_REGNUM 20
398 #define S390_A3_REGNUM 21
399 #define S390_A4_REGNUM 22
400 #define S390_A5_REGNUM 23
401 #define S390_A6_REGNUM 24
402 #define S390_A7_REGNUM 25
403 #define S390_A8_REGNUM 26
404 #define S390_A9_REGNUM 27
405 #define S390_A10_REGNUM 28
406 #define S390_A11_REGNUM 29
407 #define S390_A12_REGNUM 30
408 #define S390_A13_REGNUM 31
409 #define S390_A14_REGNUM 32
410 #define S390_A15_REGNUM 33
411 /* Floating Point Control Word. */
412 #define S390_FPC_REGNUM 34
413 /* Floating Point Registers. */
414 #define S390_F0_REGNUM 35
415 #define S390_F1_REGNUM 36
416 #define S390_F2_REGNUM 37
417 #define S390_F3_REGNUM 38
418 #define S390_F4_REGNUM 39
419 #define S390_F5_REGNUM 40
420 #define S390_F6_REGNUM 41
421 #define S390_F7_REGNUM 42
422 #define S390_F8_REGNUM 43
423 #define S390_F9_REGNUM 44
424 #define S390_F10_REGNUM 45
425 #define S390_F11_REGNUM 46
426 #define S390_F12_REGNUM 47
427 #define S390_F13_REGNUM 48
428 #define S390_F14_REGNUM 49
429 #define S390_F15_REGNUM 50
430 /* Total. */
431 #define S390_NUM_REGS 51
432
433 /* Pseudo registers -- PC and condition code. */
434 #define S390_PC_REGNUM S390_NUM_REGS
435 #define S390_CC_REGNUM (S390_NUM_REGS+1)
436 #define S390_NUM_PSEUDO_REGS 2
437 #define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2)
438
439
440
441 /* Program Status Word. */
442 #define S390_PSWM_REGNUM 0
443 #define S390_PSWA_REGNUM 1
444 /* General Purpose Registers. */
445 #define S390_R0_REGNUM 2
446 #define S390_R1_REGNUM 3
447 #define S390_R2_REGNUM 4
448 #define S390_R3_REGNUM 5
449 #define S390_R4_REGNUM 6
450 #define S390_R5_REGNUM 7
451 #define S390_R6_REGNUM 8
452 #define S390_R7_REGNUM 9
453 #define S390_R8_REGNUM 10
454 #define S390_R9_REGNUM 11
455 #define S390_R10_REGNUM 12
456 #define S390_R11_REGNUM 13
457 #define S390_R12_REGNUM 14
458 #define S390_R13_REGNUM 15
459 #define S390_R14_REGNUM 16
460 #define S390_R15_REGNUM 17
461 /* Access Registers. */
462 #define S390_A0_REGNUM 18
463 #define S390_A1_REGNUM 19
464 #define S390_A2_REGNUM 20
465 #define S390_A3_REGNUM 21
466 #define S390_A4_REGNUM 22
467 #define S390_A5_REGNUM 23
468 #define S390_A6_REGNUM 24
469 #define S390_A7_REGNUM 25
470 #define S390_A8_REGNUM 26
471 #define S390_A9_REGNUM 27
472 #define S390_A10_REGNUM 28
473 #define S390_A11_REGNUM 29
474 #define S390_A12_REGNUM 30
475 #define S390_A13_REGNUM 31
476 #define S390_A14_REGNUM 32
477 #define S390_A15_REGNUM 33
478 /* Floating Point Control Word. */
479 #define S390_FPC_REGNUM 34
480 /* Floating Point Registers. */
481 #define S390_F0_REGNUM 35
482 #define S390_F1_REGNUM 36
483 #define S390_F2_REGNUM 37
484 #define S390_F3_REGNUM 38
485 #define S390_F4_REGNUM 39
486 #define S390_F5_REGNUM 40
487 #define S390_F6_REGNUM 41
488 #define S390_F7_REGNUM 42
489 #define S390_F8_REGNUM 43
490 #define S390_F9_REGNUM 44
491 #define S390_F10_REGNUM 45
492 #define S390_F11_REGNUM 46
493 #define S390_F12_REGNUM 47
494 #define S390_F13_REGNUM 48
495 #define S390_F14_REGNUM 49
496 #define S390_F15_REGNUM 50
497 /* Total. */
498 #define S390_NUM_REGS 51
499
500 /* Pseudo registers -- PC and condition code. */
501 #define S390_PC_REGNUM S390_NUM_REGS
502 #define S390_CC_REGNUM (S390_NUM_REGS+1)
503 #define S390_NUM_PSEUDO_REGS 2
504 #define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2)
505
506 /* CC optimization */
507
508 enum cc_op {
509 CC_OP_CONST0 = 0, /* CC is 0 */
510 CC_OP_CONST1, /* CC is 1 */
511 CC_OP_CONST2, /* CC is 2 */
512 CC_OP_CONST3, /* CC is 3 */
513
514 CC_OP_DYNAMIC, /* CC calculation defined by env->cc_op */
515 CC_OP_STATIC, /* CC value is env->cc_op */
516
517 CC_OP_NZ, /* env->cc_dst != 0 */
518 CC_OP_LTGT_32, /* signed less/greater than (32bit) */
519 CC_OP_LTGT_64, /* signed less/greater than (64bit) */
520 CC_OP_LTUGTU_32, /* unsigned less/greater than (32bit) */
521 CC_OP_LTUGTU_64, /* unsigned less/greater than (64bit) */
522 CC_OP_LTGT0_32, /* signed less/greater than 0 (32bit) */
523 CC_OP_LTGT0_64, /* signed less/greater than 0 (64bit) */
524
525 CC_OP_ADD_64, /* overflow on add (64bit) */
526 CC_OP_ADDU_64, /* overflow on unsigned add (64bit) */
527 CC_OP_SUB_64, /* overflow on subtraction (64bit) */
528 CC_OP_SUBU_64, /* overflow on unsigned subtraction (64bit) */
529 CC_OP_ABS_64, /* sign eval on abs (64bit) */
530 CC_OP_NABS_64, /* sign eval on nabs (64bit) */
531
532 CC_OP_ADD_32, /* overflow on add (32bit) */
533 CC_OP_ADDU_32, /* overflow on unsigned add (32bit) */
534 CC_OP_SUB_32, /* overflow on subtraction (32bit) */
535 CC_OP_SUBU_32, /* overflow on unsigned subtraction (32bit) */
536 CC_OP_ABS_32, /* sign eval on abs (64bit) */
537 CC_OP_NABS_32, /* sign eval on nabs (64bit) */
538
539 CC_OP_COMP_32, /* complement */
540 CC_OP_COMP_64, /* complement */
541
542 CC_OP_TM_32, /* test under mask (32bit) */
543 CC_OP_TM_64, /* test under mask (64bit) */
544
545 CC_OP_LTGT_F32, /* FP compare (32bit) */
546 CC_OP_LTGT_F64, /* FP compare (64bit) */
547
548 CC_OP_NZ_F32, /* FP dst != 0 (32bit) */
549 CC_OP_NZ_F64, /* FP dst != 0 (64bit) */
550
551 CC_OP_ICM, /* insert characters under mask */
552 CC_OP_SLAG, /* Calculate shift left signed */
553 CC_OP_MAX
554 };
555
556 static const char *cc_names[] = {
557 [CC_OP_CONST0] = "CC_OP_CONST0",
558 [CC_OP_CONST1] = "CC_OP_CONST1",
559 [CC_OP_CONST2] = "CC_OP_CONST2",
560 [CC_OP_CONST3] = "CC_OP_CONST3",
561 [CC_OP_DYNAMIC] = "CC_OP_DYNAMIC",
562 [CC_OP_STATIC] = "CC_OP_STATIC",
563 [CC_OP_NZ] = "CC_OP_NZ",
564 [CC_OP_LTGT_32] = "CC_OP_LTGT_32",
565 [CC_OP_LTGT_64] = "CC_OP_LTGT_64",
566 [CC_OP_LTUGTU_32] = "CC_OP_LTUGTU_32",
567 [CC_OP_LTUGTU_64] = "CC_OP_LTUGTU_64",
568 [CC_OP_LTGT0_32] = "CC_OP_LTGT0_32",
569 [CC_OP_LTGT0_64] = "CC_OP_LTGT0_64",
570 [CC_OP_ADD_64] = "CC_OP_ADD_64",
571 [CC_OP_ADDU_64] = "CC_OP_ADDU_64",
572 [CC_OP_SUB_64] = "CC_OP_SUB_64",
573 [CC_OP_SUBU_64] = "CC_OP_SUBU_64",
574 [CC_OP_ABS_64] = "CC_OP_ABS_64",
575 [CC_OP_NABS_64] = "CC_OP_NABS_64",
576 [CC_OP_ADD_32] = "CC_OP_ADD_32",
577 [CC_OP_ADDU_32] = "CC_OP_ADDU_32",
578 [CC_OP_SUB_32] = "CC_OP_SUB_32",
579 [CC_OP_SUBU_32] = "CC_OP_SUBU_32",
580 [CC_OP_ABS_32] = "CC_OP_ABS_32",
581 [CC_OP_NABS_32] = "CC_OP_NABS_32",
582 [CC_OP_COMP_32] = "CC_OP_COMP_32",
583 [CC_OP_COMP_64] = "CC_OP_COMP_64",
584 [CC_OP_TM_32] = "CC_OP_TM_32",
585 [CC_OP_TM_64] = "CC_OP_TM_64",
586 [CC_OP_LTGT_F32] = "CC_OP_LTGT_F32",
587 [CC_OP_LTGT_F64] = "CC_OP_LTGT_F64",
588 [CC_OP_NZ_F32] = "CC_OP_NZ_F32",
589 [CC_OP_NZ_F64] = "CC_OP_NZ_F64",
590 [CC_OP_ICM] = "CC_OP_ICM",
591 [CC_OP_SLAG] = "CC_OP_SLAG",
592 };
593
594 static inline const char *cc_name(int cc_op)
595 {
596 return cc_names[cc_op];
597 }
598
599 typedef struct LowCore
600 {
601 /* prefix area: defined by architecture */
602 uint32_t ccw1[2]; /* 0x000 */
603 uint32_t ccw2[4]; /* 0x008 */
604 uint8_t pad1[0x80-0x18]; /* 0x018 */
605 uint32_t ext_params; /* 0x080 */
606 uint16_t cpu_addr; /* 0x084 */
607 uint16_t ext_int_code; /* 0x086 */
608 uint16_t svc_ilc; /* 0x088 */
609 uint16_t svc_code; /* 0x08a */
610 uint16_t pgm_ilc; /* 0x08c */
611 uint16_t pgm_code; /* 0x08e */
612 uint32_t data_exc_code; /* 0x090 */
613 uint16_t mon_class_num; /* 0x094 */
614 uint16_t per_perc_atmid; /* 0x096 */
615 uint64_t per_address; /* 0x098 */
616 uint8_t exc_access_id; /* 0x0a0 */
617 uint8_t per_access_id; /* 0x0a1 */
618 uint8_t op_access_id; /* 0x0a2 */
619 uint8_t ar_access_id; /* 0x0a3 */
620 uint8_t pad2[0xA8-0xA4]; /* 0x0a4 */
621 uint64_t trans_exc_code; /* 0x0a8 */
622 uint64_t monitor_code; /* 0x0b0 */
623 uint16_t subchannel_id; /* 0x0b8 */
624 uint16_t subchannel_nr; /* 0x0ba */
625 uint32_t io_int_parm; /* 0x0bc */
626 uint32_t io_int_word; /* 0x0c0 */
627 uint8_t pad3[0xc8-0xc4]; /* 0x0c4 */
628 uint32_t stfl_fac_list; /* 0x0c8 */
629 uint8_t pad4[0xe8-0xcc]; /* 0x0cc */
630 uint32_t mcck_interruption_code[2]; /* 0x0e8 */
631 uint8_t pad5[0xf4-0xf0]; /* 0x0f0 */
632 uint32_t external_damage_code; /* 0x0f4 */
633 uint64_t failing_storage_address; /* 0x0f8 */
634 uint8_t pad6[0x120-0x100]; /* 0x100 */
635 PSW restart_old_psw; /* 0x120 */
636 PSW external_old_psw; /* 0x130 */
637 PSW svc_old_psw; /* 0x140 */
638 PSW program_old_psw; /* 0x150 */
639 PSW mcck_old_psw; /* 0x160 */
640 PSW io_old_psw; /* 0x170 */
641 uint8_t pad7[0x1a0-0x180]; /* 0x180 */
642 PSW restart_psw; /* 0x1a0 */
643 PSW external_new_psw; /* 0x1b0 */
644 PSW svc_new_psw; /* 0x1c0 */
645 PSW program_new_psw; /* 0x1d0 */
646 PSW mcck_new_psw; /* 0x1e0 */
647 PSW io_new_psw; /* 0x1f0 */
648 PSW return_psw; /* 0x200 */
649 uint8_t irb[64]; /* 0x210 */
650 uint64_t sync_enter_timer; /* 0x250 */
651 uint64_t async_enter_timer; /* 0x258 */
652 uint64_t exit_timer; /* 0x260 */
653 uint64_t last_update_timer; /* 0x268 */
654 uint64_t user_timer; /* 0x270 */
655 uint64_t system_timer; /* 0x278 */
656 uint64_t last_update_clock; /* 0x280 */
657 uint64_t steal_clock; /* 0x288 */
658 PSW return_mcck_psw; /* 0x290 */
659 uint8_t pad8[0xc00-0x2a0]; /* 0x2a0 */
660 /* System info area */
661 uint64_t save_area[16]; /* 0xc00 */
662 uint8_t pad9[0xd40-0xc80]; /* 0xc80 */
663 uint64_t kernel_stack; /* 0xd40 */
664 uint64_t thread_info; /* 0xd48 */
665 uint64_t async_stack; /* 0xd50 */
666 uint64_t kernel_asce; /* 0xd58 */
667 uint64_t user_asce; /* 0xd60 */
668 uint64_t panic_stack; /* 0xd68 */
669 uint64_t user_exec_asce; /* 0xd70 */
670 uint8_t pad10[0xdc0-0xd78]; /* 0xd78 */
671
672 /* SMP info area: defined by DJB */
673 uint64_t clock_comparator; /* 0xdc0 */
674 uint64_t ext_call_fast; /* 0xdc8 */
675 uint64_t percpu_offset; /* 0xdd0 */
676 uint64_t current_task; /* 0xdd8 */
677 uint32_t softirq_pending; /* 0xde0 */
678 uint32_t pad_0x0de4; /* 0xde4 */
679 uint64_t int_clock; /* 0xde8 */
680 uint8_t pad12[0xe00-0xdf0]; /* 0xdf0 */
681
682 /* 0xe00 is used as indicator for dump tools */
683 /* whether the kernel died with panic() or not */
684 uint32_t panic_magic; /* 0xe00 */
685
686 uint8_t pad13[0x11b8-0xe04]; /* 0xe04 */
687
688 /* 64 bit extparam used for pfault, diag 250 etc */
689 uint64_t ext_params2; /* 0x11B8 */
690
691 uint8_t pad14[0x1200-0x11C0]; /* 0x11C0 */
692
693 /* System info area */
694
695 uint64_t floating_pt_save_area[16]; /* 0x1200 */
696 uint64_t gpregs_save_area[16]; /* 0x1280 */
697 uint32_t st_status_fixed_logout[4]; /* 0x1300 */
698 uint8_t pad15[0x1318-0x1310]; /* 0x1310 */
699 uint32_t prefixreg_save_area; /* 0x1318 */
700 uint32_t fpt_creg_save_area; /* 0x131c */
701 uint8_t pad16[0x1324-0x1320]; /* 0x1320 */
702 uint32_t tod_progreg_save_area; /* 0x1324 */
703 uint32_t cpu_timer_save_area[2]; /* 0x1328 */
704 uint32_t clock_comp_save_area[2]; /* 0x1330 */
705 uint8_t pad17[0x1340-0x1338]; /* 0x1338 */
706 uint32_t access_regs_save_area[16]; /* 0x1340 */
707 uint64_t cregs_save_area[16]; /* 0x1380 */
708
709 /* align to the top of the prefix area */
710
711 uint8_t pad18[0x2000-0x1400]; /* 0x1400 */
712 } QEMU_PACKED LowCore;
713
714 /* STSI */
715 #define STSI_LEVEL_MASK 0x00000000f0000000ULL
716 #define STSI_LEVEL_CURRENT 0x0000000000000000ULL
717 #define STSI_LEVEL_1 0x0000000010000000ULL
718 #define STSI_LEVEL_2 0x0000000020000000ULL
719 #define STSI_LEVEL_3 0x0000000030000000ULL
720 #define STSI_R0_RESERVED_MASK 0x000000000fffff00ULL
721 #define STSI_R0_SEL1_MASK 0x00000000000000ffULL
722 #define STSI_R1_RESERVED_MASK 0x00000000ffff0000ULL
723 #define STSI_R1_SEL2_MASK 0x000000000000ffffULL
724
725 /* Basic Machine Configuration */
726 struct sysib_111 {
727 uint32_t res1[8];
728 uint8_t manuf[16];
729 uint8_t type[4];
730 uint8_t res2[12];
731 uint8_t model[16];
732 uint8_t sequence[16];
733 uint8_t plant[4];
734 uint8_t res3[156];
735 };
736
737 /* Basic Machine CPU */
738 struct sysib_121 {
739 uint32_t res1[80];
740 uint8_t sequence[16];
741 uint8_t plant[4];
742 uint8_t res2[2];
743 uint16_t cpu_addr;
744 uint8_t res3[152];
745 };
746
747 /* Basic Machine CPUs */
748 struct sysib_122 {
749 uint8_t res1[32];
750 uint32_t capability;
751 uint16_t total_cpus;
752 uint16_t active_cpus;
753 uint16_t standby_cpus;
754 uint16_t reserved_cpus;
755 uint16_t adjustments[2026];
756 };
757
758 /* LPAR CPU */
759 struct sysib_221 {
760 uint32_t res1[80];
761 uint8_t sequence[16];
762 uint8_t plant[4];
763 uint16_t cpu_id;
764 uint16_t cpu_addr;
765 uint8_t res3[152];
766 };
767
768 /* LPAR CPUs */
769 struct sysib_222 {
770 uint32_t res1[32];
771 uint16_t lpar_num;
772 uint8_t res2;
773 uint8_t lcpuc;
774 uint16_t total_cpus;
775 uint16_t conf_cpus;
776 uint16_t standby_cpus;
777 uint16_t reserved_cpus;
778 uint8_t name[8];
779 uint32_t caf;
780 uint8_t res3[16];
781 uint16_t dedicated_cpus;
782 uint16_t shared_cpus;
783 uint8_t res4[180];
784 };
785
786 /* VM CPUs */
787 struct sysib_322 {
788 uint8_t res1[31];
789 uint8_t count;
790 struct {
791 uint8_t res2[4];
792 uint16_t total_cpus;
793 uint16_t conf_cpus;
794 uint16_t standby_cpus;
795 uint16_t reserved_cpus;
796 uint8_t name[8];
797 uint32_t caf;
798 uint8_t cpi[16];
799 uint8_t res3[24];
800 } vm[8];
801 uint8_t res4[3552];
802 };
803
804 /* MMU defines */
805 #define _ASCE_ORIGIN ~0xfffULL /* segment table origin */
806 #define _ASCE_SUBSPACE 0x200 /* subspace group control */
807 #define _ASCE_PRIVATE_SPACE 0x100 /* private space control */
808 #define _ASCE_ALT_EVENT 0x80 /* storage alteration event control */
809 #define _ASCE_SPACE_SWITCH 0x40 /* space switch event */
810 #define _ASCE_REAL_SPACE 0x20 /* real space control */
811 #define _ASCE_TYPE_MASK 0x0c /* asce table type mask */
812 #define _ASCE_TYPE_REGION1 0x0c /* region first table type */
813 #define _ASCE_TYPE_REGION2 0x08 /* region second table type */
814 #define _ASCE_TYPE_REGION3 0x04 /* region third table type */
815 #define _ASCE_TYPE_SEGMENT 0x00 /* segment table type */
816 #define _ASCE_TABLE_LENGTH 0x03 /* region table length */
817
818 #define _REGION_ENTRY_ORIGIN ~0xfffULL /* region/segment table origin */
819 #define _REGION_ENTRY_INV 0x20 /* invalid region table entry */
820 #define _REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */
821 #define _REGION_ENTRY_TYPE_R1 0x0c /* region first table type */
822 #define _REGION_ENTRY_TYPE_R2 0x08 /* region second table type */
823 #define _REGION_ENTRY_TYPE_R3 0x04 /* region third table type */
824 #define _REGION_ENTRY_LENGTH 0x03 /* region third length */
825
826 #define _SEGMENT_ENTRY_ORIGIN ~0x7ffULL /* segment table origin */
827 #define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */
828 #define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */
829
830 #define _PAGE_RO 0x200 /* HW read-only bit */
831 #define _PAGE_INVALID 0x400 /* HW invalid bit */
832
833 #define SK_C (0x1 << 1)
834 #define SK_R (0x1 << 2)
835 #define SK_F (0x1 << 3)
836 #define SK_ACC_MASK (0xf << 4)
837
838
839 /* EBCDIC handling */
840 static const uint8_t ebcdic2ascii[] = {
841 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
842 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
843 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
844 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
845 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
846 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
847 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
848 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
849 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
850 0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21,
851 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
852 0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
853 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
854 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
855 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
856 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
857 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
858 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
859 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
860 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
861 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
862 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
863 0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
864 0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07,
865 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
866 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
867 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
868 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
869 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
870 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
871 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
872 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07,
873 };
874
875 static const uint8_t ascii2ebcdic [] = {
876 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
877 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
878 0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26,
879 0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F,
880 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
881 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
882 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
883 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
884 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
885 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
886 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
887 0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D,
888 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
889 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
890 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
891 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
892 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
893 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
894 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
895 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
896 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
897 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
898 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
899 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
900 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
901 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
902 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
903 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
904 0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
905 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
906 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
907 0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF
908 };
909
910 static inline void ebcdic_put(uint8_t *p, const char *ascii, int len)
911 {
912 int i;
913
914 for (i = 0; i < len; i++) {
915 p[i] = ascii2ebcdic[(int)ascii[i]];
916 }
917 }
918
919 #define SIGP_SENSE 0x01
920 #define SIGP_EXTERNAL_CALL 0x02
921 #define SIGP_EMERGENCY 0x03
922 #define SIGP_START 0x04
923 #define SIGP_STOP 0x05
924 #define SIGP_RESTART 0x06
925 #define SIGP_STOP_STORE_STATUS 0x09
926 #define SIGP_INITIAL_CPU_RESET 0x0b
927 #define SIGP_CPU_RESET 0x0c
928 #define SIGP_SET_PREFIX 0x0d
929 #define SIGP_STORE_STATUS_ADDR 0x0e
930 #define SIGP_SET_ARCH 0x12
931
932 /* cpu status bits */
933 #define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL
934 #define SIGP_STAT_INCORRECT_STATE 0x00000200UL
935 #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
936 #define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL
937 #define SIGP_STAT_STOPPED 0x00000040UL
938 #define SIGP_STAT_OPERATOR_INTERV 0x00000020UL
939 #define SIGP_STAT_CHECK_STOP 0x00000010UL
940 #define SIGP_STAT_INOPERATIVE 0x00000004UL
941 #define SIGP_STAT_INVALID_ORDER 0x00000002UL
942 #define SIGP_STAT_RECEIVER_CHECK 0x00000001UL
943
944 void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr);
945 int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc,
946 target_ulong *raddr, int *flags);
947 int sclp_service_call(uint32_t sccb, uint64_t code);
948 uint32_t calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, uint64_t dst,
949 uint64_t vr);
950
951 #define TARGET_HAS_ICE 1
952
953 /* The value of the TOD clock for 1.1.1970. */
954 #define TOD_UNIX_EPOCH 0x7d91048bca000000ULL
955
956 /* Converts ns to s390's clock format */
957 static inline uint64_t time2tod(uint64_t ns) {
958 return (ns << 9) / 125;
959 }
960
961 static inline void cpu_inject_ext(CPUS390XState *env, uint32_t code, uint32_t param,
962 uint64_t param64)
963 {
964 if (env->ext_index == MAX_EXT_QUEUE - 1) {
965 /* ugh - can't queue anymore. Let's drop. */
966 return;
967 }
968
969 env->ext_index++;
970 assert(env->ext_index < MAX_EXT_QUEUE);
971
972 env->ext_queue[env->ext_index].code = code;
973 env->ext_queue[env->ext_index].param = param;
974 env->ext_queue[env->ext_index].param64 = param64;
975
976 env->pending_int |= INTERRUPT_EXT;
977 cpu_interrupt(env, CPU_INTERRUPT_HARD);
978 }
979
980 static inline bool cpu_has_work(CPUState *cpu)
981 {
982 CPUS390XState *env = &S390_CPU(cpu)->env;
983
984 return (env->interrupt_request & CPU_INTERRUPT_HARD) &&
985 (env->psw.mask & PSW_MASK_EXT);
986 }
987
988 static inline void cpu_pc_from_tb(CPUS390XState *env, TranslationBlock* tb)
989 {
990 env->psw.addr = tb->pc;
991 }
992
993 /* fpu_helper.c */
994 uint32_t set_cc_f32(CPUS390XState *env, float32 v1, float32 v2);
995 uint32_t set_cc_f64(CPUS390XState *env, float64 v1, float64 v2);
996 uint32_t set_cc_nz_f32(float32 v);
997 uint32_t set_cc_nz_f64(float64 v);
998
999 /* misc_helper.c */
1000 void program_interrupt(CPUS390XState *env, uint32_t code, int ilc);
1001
1002 #endif
Qemu copy for testing