]> git.proxmox.com Git - qemu.git/blame - target-s390x/cpu.h
s390: new contributions GPLv2 or later
[qemu.git] / target-s390x / cpu.h
CommitLineData
10ec5117
AG
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 *
ccb084d3
CB
16 * Contributions after 2012-10-29 are licensed under the terms of the
17 * GNU GPL, version 2 or (at your option) any later version.
18 *
19 * You should have received a copy of the GNU (Lesser) General Public
70539e18 20 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
10ec5117
AG
21 */
22#ifndef CPU_S390X_H
23#define CPU_S390X_H
45133b74
SW
24
25#include "config.h"
26#include "qemu-common.h"
10ec5117
AG
27
28#define TARGET_LONG_BITS 64
29
30#define ELF_MACHINE EM_S390
31
9349b4f9 32#define CPUArchState struct CPUS390XState
10ec5117 33
022c62cb 34#include "exec/cpu-defs.h"
bcec36ea
AG
35#define TARGET_PAGE_BITS 12
36
37#define TARGET_PHYS_ADDR_SPACE_BITS 64
38#define TARGET_VIRT_ADDR_SPACE_BITS 64
39
022c62cb 40#include "exec/cpu-all.h"
10ec5117 41
6b4c305c 42#include "fpu/softfloat.h"
10ec5117 43
bcec36ea 44#define NB_MMU_MODES 3
10ec5117 45
bcec36ea
AG
46#define MMU_MODE0_SUFFIX _primary
47#define MMU_MODE1_SUFFIX _secondary
48#define MMU_MODE2_SUFFIX _home
49
50#define MMU_USER_IDX 1
51
52#define MAX_EXT_QUEUE 16
53
54typedef struct PSW {
55 uint64_t mask;
56 uint64_t addr;
57} PSW;
58
59typedef struct ExtQueue {
60 uint32_t code;
61 uint32_t param;
62 uint32_t param64;
63} ExtQueue;
10ec5117
AG
64
65typedef struct CPUS390XState {
1ac5889f
RH
66 uint64_t regs[16]; /* GP registers */
67 CPU_DoubleU fregs[16]; /* FP registers */
68 uint32_t aregs[16]; /* access registers */
10ec5117 69
1ac5889f
RH
70 uint32_t fpc; /* floating-point control register */
71 uint32_t cc_op;
10ec5117 72
10ec5117
AG
73 float_status fpu_status; /* passed to softfloat lib */
74
1ac5889f
RH
75 /* The low part of a 128-bit return, or remainder of a divide. */
76 uint64_t retxl;
77
bcec36ea 78 PSW psw;
10ec5117 79
bcec36ea
AG
80 uint64_t cc_src;
81 uint64_t cc_dst;
82 uint64_t cc_vr;
10ec5117
AG
83
84 uint64_t __excp_addr;
bcec36ea
AG
85 uint64_t psa;
86
87 uint32_t int_pgm_code;
d5a103cd 88 uint32_t int_pgm_ilen;
bcec36ea
AG
89
90 uint32_t int_svc_code;
d5a103cd 91 uint32_t int_svc_ilen;
bcec36ea
AG
92
93 uint64_t cregs[16]; /* control registers */
94
bcec36ea 95 ExtQueue ext_queue[MAX_EXT_QUEUE];
1ac5889f 96 int pending_int;
bcec36ea 97
4e836781
AG
98 int ext_index;
99
100 CPU_COMMON
101
bcec36ea
AG
102 /* reset does memset(0) up to here */
103
bcec36ea
AG
104 int cpu_num;
105 uint8_t *storage_keys;
106
107 uint64_t tod_offset;
108 uint64_t tod_basetime;
109 QEMUTimer *tod_timer;
110
111 QEMUTimer *cpu_timer;
10ec5117
AG
112} CPUS390XState;
113
564b863d
AF
114#include "cpu-qom.h"
115
10ec5117 116#if defined(CONFIG_USER_ONLY)
a4e3ad19 117static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
10ec5117 118{
bcec36ea 119 if (newsp) {
10ec5117 120 env->regs[15] = newsp;
bcec36ea 121 }
90b4f8ad 122 env->regs[2] = 0;
10ec5117
AG
123}
124#endif
125
bcec36ea
AG
126/* Interrupt Codes */
127/* Program Interrupts */
128#define PGM_OPERATION 0x0001
129#define PGM_PRIVILEGED 0x0002
130#define PGM_EXECUTE 0x0003
131#define PGM_PROTECTION 0x0004
132#define PGM_ADDRESSING 0x0005
133#define PGM_SPECIFICATION 0x0006
134#define PGM_DATA 0x0007
135#define PGM_FIXPT_OVERFLOW 0x0008
136#define PGM_FIXPT_DIVIDE 0x0009
137#define PGM_DEC_OVERFLOW 0x000a
138#define PGM_DEC_DIVIDE 0x000b
139#define PGM_HFP_EXP_OVERFLOW 0x000c
140#define PGM_HFP_EXP_UNDERFLOW 0x000d
141#define PGM_HFP_SIGNIFICANCE 0x000e
142#define PGM_HFP_DIVIDE 0x000f
143#define PGM_SEGMENT_TRANS 0x0010
144#define PGM_PAGE_TRANS 0x0011
145#define PGM_TRANS_SPEC 0x0012
146#define PGM_SPECIAL_OP 0x0013
147#define PGM_OPERAND 0x0015
148#define PGM_TRACE_TABLE 0x0016
149#define PGM_SPACE_SWITCH 0x001c
150#define PGM_HFP_SQRT 0x001d
151#define PGM_PC_TRANS_SPEC 0x001f
152#define PGM_AFX_TRANS 0x0020
153#define PGM_ASX_TRANS 0x0021
154#define PGM_LX_TRANS 0x0022
155#define PGM_EX_TRANS 0x0023
156#define PGM_PRIM_AUTH 0x0024
157#define PGM_SEC_AUTH 0x0025
158#define PGM_ALET_SPEC 0x0028
159#define PGM_ALEN_SPEC 0x0029
160#define PGM_ALE_SEQ 0x002a
161#define PGM_ASTE_VALID 0x002b
162#define PGM_ASTE_SEQ 0x002c
163#define PGM_EXT_AUTH 0x002d
164#define PGM_STACK_FULL 0x0030
165#define PGM_STACK_EMPTY 0x0031
166#define PGM_STACK_SPEC 0x0032
167#define PGM_STACK_TYPE 0x0033
168#define PGM_STACK_OP 0x0034
169#define PGM_ASCE_TYPE 0x0038
170#define PGM_REG_FIRST_TRANS 0x0039
171#define PGM_REG_SEC_TRANS 0x003a
172#define PGM_REG_THIRD_TRANS 0x003b
173#define PGM_MONITOR 0x0040
174#define PGM_PER 0x0080
175#define PGM_CRYPTO 0x0119
176
177/* External Interrupts */
178#define EXT_INTERRUPT_KEY 0x0040
179#define EXT_CLOCK_COMP 0x1004
180#define EXT_CPU_TIMER 0x1005
181#define EXT_MALFUNCTION 0x1200
182#define EXT_EMERGENCY 0x1201
183#define EXT_EXTERNAL_CALL 0x1202
184#define EXT_ETR 0x1406
185#define EXT_SERVICE 0x2401
186#define EXT_VIRTIO 0x2603
187
188/* PSW defines */
189#undef PSW_MASK_PER
190#undef PSW_MASK_DAT
191#undef PSW_MASK_IO
192#undef PSW_MASK_EXT
193#undef PSW_MASK_KEY
194#undef PSW_SHIFT_KEY
195#undef PSW_MASK_MCHECK
196#undef PSW_MASK_WAIT
197#undef PSW_MASK_PSTATE
198#undef PSW_MASK_ASC
199#undef PSW_MASK_CC
200#undef PSW_MASK_PM
201#undef PSW_MASK_64
202
203#define PSW_MASK_PER 0x4000000000000000ULL
204#define PSW_MASK_DAT 0x0400000000000000ULL
205#define PSW_MASK_IO 0x0200000000000000ULL
206#define PSW_MASK_EXT 0x0100000000000000ULL
207#define PSW_MASK_KEY 0x00F0000000000000ULL
208#define PSW_SHIFT_KEY 56
209#define PSW_MASK_MCHECK 0x0004000000000000ULL
210#define PSW_MASK_WAIT 0x0002000000000000ULL
211#define PSW_MASK_PSTATE 0x0001000000000000ULL
212#define PSW_MASK_ASC 0x0000C00000000000ULL
213#define PSW_MASK_CC 0x0000300000000000ULL
214#define PSW_MASK_PM 0x00000F0000000000ULL
215#define PSW_MASK_64 0x0000000100000000ULL
216#define PSW_MASK_32 0x0000000080000000ULL
217
218#undef PSW_ASC_PRIMARY
219#undef PSW_ASC_ACCREG
220#undef PSW_ASC_SECONDARY
221#undef PSW_ASC_HOME
222
223#define PSW_ASC_PRIMARY 0x0000000000000000ULL
224#define PSW_ASC_ACCREG 0x0000400000000000ULL
225#define PSW_ASC_SECONDARY 0x0000800000000000ULL
226#define PSW_ASC_HOME 0x0000C00000000000ULL
227
228/* tb flags */
229
230#define FLAG_MASK_PER (PSW_MASK_PER >> 32)
231#define FLAG_MASK_DAT (PSW_MASK_DAT >> 32)
232#define FLAG_MASK_IO (PSW_MASK_IO >> 32)
233#define FLAG_MASK_EXT (PSW_MASK_EXT >> 32)
234#define FLAG_MASK_KEY (PSW_MASK_KEY >> 32)
235#define FLAG_MASK_MCHECK (PSW_MASK_MCHECK >> 32)
236#define FLAG_MASK_WAIT (PSW_MASK_WAIT >> 32)
237#define FLAG_MASK_PSTATE (PSW_MASK_PSTATE >> 32)
238#define FLAG_MASK_ASC (PSW_MASK_ASC >> 32)
239#define FLAG_MASK_CC (PSW_MASK_CC >> 32)
240#define FLAG_MASK_PM (PSW_MASK_PM >> 32)
241#define FLAG_MASK_64 (PSW_MASK_64 >> 32)
242#define FLAG_MASK_32 0x00001000
243
a4e3ad19 244static inline int cpu_mmu_index (CPUS390XState *env)
10c339a0 245{
bcec36ea
AG
246 if (env->psw.mask & PSW_MASK_PSTATE) {
247 return 1;
248 }
249
10c339a0
AG
250 return 0;
251}
252
a4e3ad19 253static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc,
bcec36ea
AG
254 target_ulong *cs_base, int *flags)
255{
256 *pc = env->psw.addr;
257 *cs_base = 0;
258 *flags = ((env->psw.mask >> 32) & ~FLAG_MASK_CC) |
259 ((env->psw.mask & PSW_MASK_32) ? FLAG_MASK_32 : 0);
260}
261
d5a103cd
RH
262/* While the PoO talks about ILC (a number between 1-3) what is actually
263 stored in LowCore is shifted left one bit (an even between 2-6). As
264 this is the actual length of the insn and therefore more useful, that
265 is what we want to pass around and manipulate. To make sure that we
266 have applied this distinction universally, rename the "ILC" to "ILEN". */
267static inline int get_ilen(uint8_t opc)
bcec36ea
AG
268{
269 switch (opc >> 6) {
270 case 0:
d5a103cd 271 return 2;
bcec36ea
AG
272 case 1:
273 case 2:
d5a103cd
RH
274 return 4;
275 default:
276 return 6;
bcec36ea 277 }
bcec36ea
AG
278}
279
d5a103cd
RH
280#ifndef CONFIG_USER_ONLY
281/* In several cases of runtime exceptions, we havn't recorded the true
282 instruction length. Use these codes when raising exceptions in order
283 to re-compute the length by examining the insn in memory. */
284#define ILEN_LATER 0x20
285#define ILEN_LATER_INC 0x21
286#endif
bcec36ea 287
564b863d 288S390CPU *cpu_s390x_init(const char *cpu_model);
bcec36ea 289void s390x_translate_init(void);
10ec5117
AG
290int cpu_s390x_exec(CPUS390XState *s);
291void cpu_s390x_close(CPUS390XState *s);
a4e3ad19 292void do_interrupt (CPUS390XState *env);
10ec5117
AG
293
294/* you can call this signal handler from your SIGBUS and SIGSEGV
295 signal handlers to inform the virtual CPU of exceptions. non zero
296 is returned if the signal was handled by the virtual CPU. */
297int cpu_s390x_signal_handler(int host_signum, void *pinfo,
298 void *puc);
299int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw,
97b348e7 300 int mmu_idx);
10ec5117
AG
301#define cpu_handle_mmu_fault cpu_s390x_handle_mmu_fault
302
52705890 303
10c339a0 304#ifndef CONFIG_USER_ONLY
8f22e0df
AF
305void s390x_tod_timer(void *opaque);
306void s390x_cpu_timer(void *opaque);
307
a4e3ad19 308int s390_virtio_hypercall(CPUS390XState *env, uint64_t mem, uint64_t hypercall);
bcec36ea 309
1f206266 310#ifdef CONFIG_KVM
1bc22652
AF
311void kvm_s390_interrupt(S390CPU *cpu, int type, uint32_t code);
312void kvm_s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token);
313void kvm_s390_interrupt_internal(S390CPU *cpu, int type, uint32_t parm,
bcec36ea 314 uint64_t parm64, int vm);
1f206266 315#else
1bc22652 316static inline void kvm_s390_interrupt(S390CPU *cpu, int type, uint32_t code)
1f206266
AG
317{
318}
319
1bc22652 320static inline void kvm_s390_virtio_irq(S390CPU *cpu, int config_change,
1f206266
AG
321 uint64_t token)
322{
323}
324
1bc22652 325static inline void kvm_s390_interrupt_internal(S390CPU *cpu, int type,
1f206266
AG
326 uint32_t parm, uint64_t parm64,
327 int vm)
328{
329}
330#endif
45fa769b 331S390CPU *s390_cpu_addr2state(uint16_t cpu_addr);
a4e3ad19
AF
332void s390_add_running_cpu(CPUS390XState *env);
333unsigned s390_del_running_cpu(CPUS390XState *env);
bcec36ea 334
000a1a38
CB
335/* service interrupts are floating therefore we must not pass an cpustate */
336void s390_sclp_extint(uint32_t parm);
337
d1ff903c 338/* from s390-virtio-bus */
a8170e5e 339extern const hwaddr virtio_size;
d1ff903c 340
ef81522b 341#else
a4e3ad19 342static inline void s390_add_running_cpu(CPUS390XState *env)
ef81522b
AG
343{
344}
345
a4e3ad19 346static inline unsigned s390_del_running_cpu(CPUS390XState *env)
ef81522b
AG
347{
348 return 0;
349}
10c339a0 350#endif
bcec36ea
AG
351void cpu_lock(void);
352void cpu_unlock(void);
10c339a0 353
bcec36ea
AG
354static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
355{
356 env->aregs[0] = newtls >> 32;
357 env->aregs[1] = newtls & 0xffffffffULL;
358}
10c339a0 359
564b863d 360#define cpu_init(model) (&cpu_s390x_init(model)->env)
10ec5117
AG
361#define cpu_exec cpu_s390x_exec
362#define cpu_gen_code cpu_s390x_gen_code
bcec36ea 363#define cpu_signal_handler cpu_s390x_signal_handler
10ec5117 364
022c62cb 365#include "exec/exec-all.h"
bcec36ea 366
bcec36ea
AG
367#define EXCP_EXT 1 /* external interrupt */
368#define EXCP_SVC 2 /* supervisor call (syscall) */
369#define EXCP_PGM 3 /* program interruption */
370
bcec36ea
AG
371#define INTERRUPT_EXT (1 << 0)
372#define INTERRUPT_TOD (1 << 1)
373#define INTERRUPT_CPUTIMER (1 << 2)
10c339a0
AG
374
375/* Program Status Word. */
376#define S390_PSWM_REGNUM 0
377#define S390_PSWA_REGNUM 1
378/* General Purpose Registers. */
379#define S390_R0_REGNUM 2
380#define S390_R1_REGNUM 3
381#define S390_R2_REGNUM 4
382#define S390_R3_REGNUM 5
383#define S390_R4_REGNUM 6
384#define S390_R5_REGNUM 7
385#define S390_R6_REGNUM 8
386#define S390_R7_REGNUM 9
387#define S390_R8_REGNUM 10
388#define S390_R9_REGNUM 11
389#define S390_R10_REGNUM 12
390#define S390_R11_REGNUM 13
391#define S390_R12_REGNUM 14
392#define S390_R13_REGNUM 15
393#define S390_R14_REGNUM 16
394#define S390_R15_REGNUM 17
395/* Access Registers. */
396#define S390_A0_REGNUM 18
397#define S390_A1_REGNUM 19
398#define S390_A2_REGNUM 20
399#define S390_A3_REGNUM 21
400#define S390_A4_REGNUM 22
401#define S390_A5_REGNUM 23
402#define S390_A6_REGNUM 24
403#define S390_A7_REGNUM 25
404#define S390_A8_REGNUM 26
405#define S390_A9_REGNUM 27
406#define S390_A10_REGNUM 28
407#define S390_A11_REGNUM 29
408#define S390_A12_REGNUM 30
409#define S390_A13_REGNUM 31
410#define S390_A14_REGNUM 32
411#define S390_A15_REGNUM 33
412/* Floating Point Control Word. */
413#define S390_FPC_REGNUM 34
414/* Floating Point Registers. */
415#define S390_F0_REGNUM 35
416#define S390_F1_REGNUM 36
417#define S390_F2_REGNUM 37
418#define S390_F3_REGNUM 38
419#define S390_F4_REGNUM 39
420#define S390_F5_REGNUM 40
421#define S390_F6_REGNUM 41
422#define S390_F7_REGNUM 42
423#define S390_F8_REGNUM 43
424#define S390_F9_REGNUM 44
425#define S390_F10_REGNUM 45
426#define S390_F11_REGNUM 46
427#define S390_F12_REGNUM 47
428#define S390_F13_REGNUM 48
429#define S390_F14_REGNUM 49
430#define S390_F15_REGNUM 50
431/* Total. */
432#define S390_NUM_REGS 51
433
bcec36ea
AG
434/* CC optimization */
435
436enum cc_op {
437 CC_OP_CONST0 = 0, /* CC is 0 */
438 CC_OP_CONST1, /* CC is 1 */
439 CC_OP_CONST2, /* CC is 2 */
440 CC_OP_CONST3, /* CC is 3 */
441
442 CC_OP_DYNAMIC, /* CC calculation defined by env->cc_op */
443 CC_OP_STATIC, /* CC value is env->cc_op */
444
445 CC_OP_NZ, /* env->cc_dst != 0 */
446 CC_OP_LTGT_32, /* signed less/greater than (32bit) */
447 CC_OP_LTGT_64, /* signed less/greater than (64bit) */
448 CC_OP_LTUGTU_32, /* unsigned less/greater than (32bit) */
449 CC_OP_LTUGTU_64, /* unsigned less/greater than (64bit) */
450 CC_OP_LTGT0_32, /* signed less/greater than 0 (32bit) */
451 CC_OP_LTGT0_64, /* signed less/greater than 0 (64bit) */
452
453 CC_OP_ADD_64, /* overflow on add (64bit) */
454 CC_OP_ADDU_64, /* overflow on unsigned add (64bit) */
4e4bb438 455 CC_OP_ADDC_64, /* overflow on unsigned add-carry (64bit) */
e7d81004
SW
456 CC_OP_SUB_64, /* overflow on subtraction (64bit) */
457 CC_OP_SUBU_64, /* overflow on unsigned subtraction (64bit) */
4e4bb438 458 CC_OP_SUBB_64, /* overflow on unsigned sub-borrow (64bit) */
bcec36ea
AG
459 CC_OP_ABS_64, /* sign eval on abs (64bit) */
460 CC_OP_NABS_64, /* sign eval on nabs (64bit) */
461
462 CC_OP_ADD_32, /* overflow on add (32bit) */
463 CC_OP_ADDU_32, /* overflow on unsigned add (32bit) */
4e4bb438 464 CC_OP_ADDC_32, /* overflow on unsigned add-carry (32bit) */
e7d81004
SW
465 CC_OP_SUB_32, /* overflow on subtraction (32bit) */
466 CC_OP_SUBU_32, /* overflow on unsigned subtraction (32bit) */
4e4bb438 467 CC_OP_SUBB_32, /* overflow on unsigned sub-borrow (32bit) */
bcec36ea
AG
468 CC_OP_ABS_32, /* sign eval on abs (64bit) */
469 CC_OP_NABS_32, /* sign eval on nabs (64bit) */
470
471 CC_OP_COMP_32, /* complement */
472 CC_OP_COMP_64, /* complement */
473
474 CC_OP_TM_32, /* test under mask (32bit) */
475 CC_OP_TM_64, /* test under mask (64bit) */
476
bcec36ea
AG
477 CC_OP_NZ_F32, /* FP dst != 0 (32bit) */
478 CC_OP_NZ_F64, /* FP dst != 0 (64bit) */
587626f8 479 CC_OP_NZ_F128, /* FP dst != 0 (128bit) */
bcec36ea
AG
480
481 CC_OP_ICM, /* insert characters under mask */
cbe24bfa
RH
482 CC_OP_SLA_32, /* Calculate shift left signed (32bit) */
483 CC_OP_SLA_64, /* Calculate shift left signed (64bit) */
102bf2c6 484 CC_OP_FLOGR, /* find leftmost one */
bcec36ea
AG
485 CC_OP_MAX
486};
487
488static const char *cc_names[] = {
489 [CC_OP_CONST0] = "CC_OP_CONST0",
490 [CC_OP_CONST1] = "CC_OP_CONST1",
491 [CC_OP_CONST2] = "CC_OP_CONST2",
492 [CC_OP_CONST3] = "CC_OP_CONST3",
493 [CC_OP_DYNAMIC] = "CC_OP_DYNAMIC",
494 [CC_OP_STATIC] = "CC_OP_STATIC",
495 [CC_OP_NZ] = "CC_OP_NZ",
496 [CC_OP_LTGT_32] = "CC_OP_LTGT_32",
497 [CC_OP_LTGT_64] = "CC_OP_LTGT_64",
498 [CC_OP_LTUGTU_32] = "CC_OP_LTUGTU_32",
499 [CC_OP_LTUGTU_64] = "CC_OP_LTUGTU_64",
500 [CC_OP_LTGT0_32] = "CC_OP_LTGT0_32",
501 [CC_OP_LTGT0_64] = "CC_OP_LTGT0_64",
502 [CC_OP_ADD_64] = "CC_OP_ADD_64",
503 [CC_OP_ADDU_64] = "CC_OP_ADDU_64",
4e4bb438 504 [CC_OP_ADDC_64] = "CC_OP_ADDC_64",
bcec36ea
AG
505 [CC_OP_SUB_64] = "CC_OP_SUB_64",
506 [CC_OP_SUBU_64] = "CC_OP_SUBU_64",
4e4bb438 507 [CC_OP_SUBB_64] = "CC_OP_SUBB_64",
bcec36ea
AG
508 [CC_OP_ABS_64] = "CC_OP_ABS_64",
509 [CC_OP_NABS_64] = "CC_OP_NABS_64",
510 [CC_OP_ADD_32] = "CC_OP_ADD_32",
511 [CC_OP_ADDU_32] = "CC_OP_ADDU_32",
4e4bb438 512 [CC_OP_ADDC_32] = "CC_OP_ADDC_32",
bcec36ea
AG
513 [CC_OP_SUB_32] = "CC_OP_SUB_32",
514 [CC_OP_SUBU_32] = "CC_OP_SUBU_32",
4e4bb438 515 [CC_OP_SUBB_32] = "CC_OP_SUBB_32",
bcec36ea
AG
516 [CC_OP_ABS_32] = "CC_OP_ABS_32",
517 [CC_OP_NABS_32] = "CC_OP_NABS_32",
518 [CC_OP_COMP_32] = "CC_OP_COMP_32",
519 [CC_OP_COMP_64] = "CC_OP_COMP_64",
520 [CC_OP_TM_32] = "CC_OP_TM_32",
521 [CC_OP_TM_64] = "CC_OP_TM_64",
bcec36ea
AG
522 [CC_OP_NZ_F32] = "CC_OP_NZ_F32",
523 [CC_OP_NZ_F64] = "CC_OP_NZ_F64",
587626f8 524 [CC_OP_NZ_F128] = "CC_OP_NZ_F128",
bcec36ea 525 [CC_OP_ICM] = "CC_OP_ICM",
cbe24bfa
RH
526 [CC_OP_SLA_32] = "CC_OP_SLA_32",
527 [CC_OP_SLA_64] = "CC_OP_SLA_64",
102bf2c6 528 [CC_OP_FLOGR] = "CC_OP_FLOGR",
bcec36ea
AG
529};
530
531static inline const char *cc_name(int cc_op)
532{
533 return cc_names[cc_op];
534}
535
bcec36ea
AG
536typedef struct LowCore
537{
538 /* prefix area: defined by architecture */
539 uint32_t ccw1[2]; /* 0x000 */
540 uint32_t ccw2[4]; /* 0x008 */
541 uint8_t pad1[0x80-0x18]; /* 0x018 */
542 uint32_t ext_params; /* 0x080 */
543 uint16_t cpu_addr; /* 0x084 */
544 uint16_t ext_int_code; /* 0x086 */
d5a103cd 545 uint16_t svc_ilen; /* 0x088 */
bcec36ea 546 uint16_t svc_code; /* 0x08a */
d5a103cd 547 uint16_t pgm_ilen; /* 0x08c */
bcec36ea
AG
548 uint16_t pgm_code; /* 0x08e */
549 uint32_t data_exc_code; /* 0x090 */
550 uint16_t mon_class_num; /* 0x094 */
551 uint16_t per_perc_atmid; /* 0x096 */
552 uint64_t per_address; /* 0x098 */
553 uint8_t exc_access_id; /* 0x0a0 */
554 uint8_t per_access_id; /* 0x0a1 */
555 uint8_t op_access_id; /* 0x0a2 */
556 uint8_t ar_access_id; /* 0x0a3 */
557 uint8_t pad2[0xA8-0xA4]; /* 0x0a4 */
558 uint64_t trans_exc_code; /* 0x0a8 */
559 uint64_t monitor_code; /* 0x0b0 */
560 uint16_t subchannel_id; /* 0x0b8 */
561 uint16_t subchannel_nr; /* 0x0ba */
562 uint32_t io_int_parm; /* 0x0bc */
563 uint32_t io_int_word; /* 0x0c0 */
564 uint8_t pad3[0xc8-0xc4]; /* 0x0c4 */
565 uint32_t stfl_fac_list; /* 0x0c8 */
566 uint8_t pad4[0xe8-0xcc]; /* 0x0cc */
567 uint32_t mcck_interruption_code[2]; /* 0x0e8 */
568 uint8_t pad5[0xf4-0xf0]; /* 0x0f0 */
569 uint32_t external_damage_code; /* 0x0f4 */
570 uint64_t failing_storage_address; /* 0x0f8 */
571 uint8_t pad6[0x120-0x100]; /* 0x100 */
572 PSW restart_old_psw; /* 0x120 */
573 PSW external_old_psw; /* 0x130 */
574 PSW svc_old_psw; /* 0x140 */
575 PSW program_old_psw; /* 0x150 */
576 PSW mcck_old_psw; /* 0x160 */
577 PSW io_old_psw; /* 0x170 */
578 uint8_t pad7[0x1a0-0x180]; /* 0x180 */
579 PSW restart_psw; /* 0x1a0 */
580 PSW external_new_psw; /* 0x1b0 */
581 PSW svc_new_psw; /* 0x1c0 */
582 PSW program_new_psw; /* 0x1d0 */
583 PSW mcck_new_psw; /* 0x1e0 */
584 PSW io_new_psw; /* 0x1f0 */
585 PSW return_psw; /* 0x200 */
586 uint8_t irb[64]; /* 0x210 */
587 uint64_t sync_enter_timer; /* 0x250 */
588 uint64_t async_enter_timer; /* 0x258 */
589 uint64_t exit_timer; /* 0x260 */
590 uint64_t last_update_timer; /* 0x268 */
591 uint64_t user_timer; /* 0x270 */
592 uint64_t system_timer; /* 0x278 */
593 uint64_t last_update_clock; /* 0x280 */
594 uint64_t steal_clock; /* 0x288 */
595 PSW return_mcck_psw; /* 0x290 */
596 uint8_t pad8[0xc00-0x2a0]; /* 0x2a0 */
597 /* System info area */
598 uint64_t save_area[16]; /* 0xc00 */
599 uint8_t pad9[0xd40-0xc80]; /* 0xc80 */
600 uint64_t kernel_stack; /* 0xd40 */
601 uint64_t thread_info; /* 0xd48 */
602 uint64_t async_stack; /* 0xd50 */
603 uint64_t kernel_asce; /* 0xd58 */
604 uint64_t user_asce; /* 0xd60 */
605 uint64_t panic_stack; /* 0xd68 */
606 uint64_t user_exec_asce; /* 0xd70 */
607 uint8_t pad10[0xdc0-0xd78]; /* 0xd78 */
608
609 /* SMP info area: defined by DJB */
610 uint64_t clock_comparator; /* 0xdc0 */
611 uint64_t ext_call_fast; /* 0xdc8 */
612 uint64_t percpu_offset; /* 0xdd0 */
613 uint64_t current_task; /* 0xdd8 */
614 uint32_t softirq_pending; /* 0xde0 */
615 uint32_t pad_0x0de4; /* 0xde4 */
616 uint64_t int_clock; /* 0xde8 */
617 uint8_t pad12[0xe00-0xdf0]; /* 0xdf0 */
618
619 /* 0xe00 is used as indicator for dump tools */
620 /* whether the kernel died with panic() or not */
621 uint32_t panic_magic; /* 0xe00 */
622
623 uint8_t pad13[0x11b8-0xe04]; /* 0xe04 */
624
625 /* 64 bit extparam used for pfault, diag 250 etc */
626 uint64_t ext_params2; /* 0x11B8 */
627
628 uint8_t pad14[0x1200-0x11C0]; /* 0x11C0 */
629
630 /* System info area */
631
632 uint64_t floating_pt_save_area[16]; /* 0x1200 */
633 uint64_t gpregs_save_area[16]; /* 0x1280 */
634 uint32_t st_status_fixed_logout[4]; /* 0x1300 */
635 uint8_t pad15[0x1318-0x1310]; /* 0x1310 */
636 uint32_t prefixreg_save_area; /* 0x1318 */
637 uint32_t fpt_creg_save_area; /* 0x131c */
638 uint8_t pad16[0x1324-0x1320]; /* 0x1320 */
639 uint32_t tod_progreg_save_area; /* 0x1324 */
640 uint32_t cpu_timer_save_area[2]; /* 0x1328 */
641 uint32_t clock_comp_save_area[2]; /* 0x1330 */
642 uint8_t pad17[0x1340-0x1338]; /* 0x1338 */
643 uint32_t access_regs_save_area[16]; /* 0x1340 */
644 uint64_t cregs_save_area[16]; /* 0x1380 */
645
646 /* align to the top of the prefix area */
647
648 uint8_t pad18[0x2000-0x1400]; /* 0x1400 */
541dc0d4 649} QEMU_PACKED LowCore;
bcec36ea
AG
650
651/* STSI */
652#define STSI_LEVEL_MASK 0x00000000f0000000ULL
653#define STSI_LEVEL_CURRENT 0x0000000000000000ULL
654#define STSI_LEVEL_1 0x0000000010000000ULL
655#define STSI_LEVEL_2 0x0000000020000000ULL
656#define STSI_LEVEL_3 0x0000000030000000ULL
657#define STSI_R0_RESERVED_MASK 0x000000000fffff00ULL
658#define STSI_R0_SEL1_MASK 0x00000000000000ffULL
659#define STSI_R1_RESERVED_MASK 0x00000000ffff0000ULL
660#define STSI_R1_SEL2_MASK 0x000000000000ffffULL
661
662/* Basic Machine Configuration */
663struct sysib_111 {
664 uint32_t res1[8];
665 uint8_t manuf[16];
666 uint8_t type[4];
667 uint8_t res2[12];
668 uint8_t model[16];
669 uint8_t sequence[16];
670 uint8_t plant[4];
671 uint8_t res3[156];
672};
673
674/* Basic Machine CPU */
675struct sysib_121 {
676 uint32_t res1[80];
677 uint8_t sequence[16];
678 uint8_t plant[4];
679 uint8_t res2[2];
680 uint16_t cpu_addr;
681 uint8_t res3[152];
682};
683
684/* Basic Machine CPUs */
685struct sysib_122 {
686 uint8_t res1[32];
687 uint32_t capability;
688 uint16_t total_cpus;
689 uint16_t active_cpus;
690 uint16_t standby_cpus;
691 uint16_t reserved_cpus;
692 uint16_t adjustments[2026];
693};
694
695/* LPAR CPU */
696struct sysib_221 {
697 uint32_t res1[80];
698 uint8_t sequence[16];
699 uint8_t plant[4];
700 uint16_t cpu_id;
701 uint16_t cpu_addr;
702 uint8_t res3[152];
703};
704
705/* LPAR CPUs */
706struct sysib_222 {
707 uint32_t res1[32];
708 uint16_t lpar_num;
709 uint8_t res2;
710 uint8_t lcpuc;
711 uint16_t total_cpus;
712 uint16_t conf_cpus;
713 uint16_t standby_cpus;
714 uint16_t reserved_cpus;
715 uint8_t name[8];
716 uint32_t caf;
717 uint8_t res3[16];
718 uint16_t dedicated_cpus;
719 uint16_t shared_cpus;
720 uint8_t res4[180];
721};
722
723/* VM CPUs */
724struct sysib_322 {
725 uint8_t res1[31];
726 uint8_t count;
727 struct {
728 uint8_t res2[4];
729 uint16_t total_cpus;
730 uint16_t conf_cpus;
731 uint16_t standby_cpus;
732 uint16_t reserved_cpus;
733 uint8_t name[8];
734 uint32_t caf;
735 uint8_t cpi[16];
736 uint8_t res3[24];
737 } vm[8];
738 uint8_t res4[3552];
739};
740
741/* MMU defines */
742#define _ASCE_ORIGIN ~0xfffULL /* segment table origin */
743#define _ASCE_SUBSPACE 0x200 /* subspace group control */
744#define _ASCE_PRIVATE_SPACE 0x100 /* private space control */
745#define _ASCE_ALT_EVENT 0x80 /* storage alteration event control */
746#define _ASCE_SPACE_SWITCH 0x40 /* space switch event */
747#define _ASCE_REAL_SPACE 0x20 /* real space control */
748#define _ASCE_TYPE_MASK 0x0c /* asce table type mask */
749#define _ASCE_TYPE_REGION1 0x0c /* region first table type */
750#define _ASCE_TYPE_REGION2 0x08 /* region second table type */
751#define _ASCE_TYPE_REGION3 0x04 /* region third table type */
752#define _ASCE_TYPE_SEGMENT 0x00 /* segment table type */
753#define _ASCE_TABLE_LENGTH 0x03 /* region table length */
754
755#define _REGION_ENTRY_ORIGIN ~0xfffULL /* region/segment table origin */
756#define _REGION_ENTRY_INV 0x20 /* invalid region table entry */
757#define _REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */
758#define _REGION_ENTRY_TYPE_R1 0x0c /* region first table type */
759#define _REGION_ENTRY_TYPE_R2 0x08 /* region second table type */
760#define _REGION_ENTRY_TYPE_R3 0x04 /* region third table type */
761#define _REGION_ENTRY_LENGTH 0x03 /* region third length */
762
763#define _SEGMENT_ENTRY_ORIGIN ~0x7ffULL /* segment table origin */
764#define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */
765#define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */
766
767#define _PAGE_RO 0x200 /* HW read-only bit */
768#define _PAGE_INVALID 0x400 /* HW invalid bit */
769
b9959138
AG
770#define SK_C (0x1 << 1)
771#define SK_R (0x1 << 2)
772#define SK_F (0x1 << 3)
773#define SK_ACC_MASK (0xf << 4)
bcec36ea
AG
774
775
776/* EBCDIC handling */
777static const uint8_t ebcdic2ascii[] = {
778 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
779 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
780 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
781 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
782 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
783 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
784 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
785 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
786 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
787 0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21,
788 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
789 0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
790 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
791 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
792 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
793 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
794 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
795 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
796 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
797 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
798 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
799 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
800 0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
801 0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07,
802 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
803 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
804 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
805 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
806 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
807 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
808 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
809 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07,
810};
811
812static const uint8_t ascii2ebcdic [] = {
813 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
814 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
815 0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26,
816 0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F,
817 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
818 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
819 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
820 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
821 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
822 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
823 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
824 0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D,
825 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
826 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
827 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
828 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
829 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
830 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
831 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
832 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
833 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
834 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
835 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
836 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
837 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
838 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
839 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
840 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
841 0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
842 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
843 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
844 0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF
845};
846
847static inline void ebcdic_put(uint8_t *p, const char *ascii, int len)
848{
849 int i;
850
851 for (i = 0; i < len; i++) {
852 p[i] = ascii2ebcdic[(int)ascii[i]];
853 }
854}
855
856#define SIGP_SENSE 0x01
857#define SIGP_EXTERNAL_CALL 0x02
858#define SIGP_EMERGENCY 0x03
859#define SIGP_START 0x04
860#define SIGP_STOP 0x05
861#define SIGP_RESTART 0x06
862#define SIGP_STOP_STORE_STATUS 0x09
863#define SIGP_INITIAL_CPU_RESET 0x0b
864#define SIGP_CPU_RESET 0x0c
865#define SIGP_SET_PREFIX 0x0d
866#define SIGP_STORE_STATUS_ADDR 0x0e
867#define SIGP_SET_ARCH 0x12
868
869/* cpu status bits */
870#define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL
871#define SIGP_STAT_INCORRECT_STATE 0x00000200UL
872#define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
873#define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL
874#define SIGP_STAT_STOPPED 0x00000040UL
875#define SIGP_STAT_OPERATOR_INTERV 0x00000020UL
876#define SIGP_STAT_CHECK_STOP 0x00000010UL
877#define SIGP_STAT_INOPERATIVE 0x00000004UL
878#define SIGP_STAT_INVALID_ORDER 0x00000002UL
879#define SIGP_STAT_RECEIVER_CHECK 0x00000001UL
880
a4e3ad19
AF
881void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr);
882int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc,
bcec36ea 883 target_ulong *raddr, int *flags);
f6c98f92 884int sclp_service_call(uint32_t sccb, uint64_t code);
a4e3ad19 885uint32_t calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, uint64_t dst,
bcec36ea
AG
886 uint64_t vr);
887
888#define TARGET_HAS_ICE 1
889
890/* The value of the TOD clock for 1.1.1970. */
891#define TOD_UNIX_EPOCH 0x7d91048bca000000ULL
892
893/* Converts ns to s390's clock format */
894static inline uint64_t time2tod(uint64_t ns) {
895 return (ns << 9) / 125;
896}
897
a4e3ad19 898static inline void cpu_inject_ext(CPUS390XState *env, uint32_t code, uint32_t param,
bcec36ea
AG
899 uint64_t param64)
900{
901 if (env->ext_index == MAX_EXT_QUEUE - 1) {
902 /* ugh - can't queue anymore. Let's drop. */
903 return;
904 }
905
906 env->ext_index++;
907 assert(env->ext_index < MAX_EXT_QUEUE);
908
909 env->ext_queue[env->ext_index].code = code;
910 env->ext_queue[env->ext_index].param = param;
911 env->ext_queue[env->ext_index].param64 = param64;
912
913 env->pending_int |= INTERRUPT_EXT;
914 cpu_interrupt(env, CPU_INTERRUPT_HARD);
915}
10c339a0 916
3993c6bd 917static inline bool cpu_has_work(CPUState *cpu)
f081c76c 918{
3993c6bd
AF
919 CPUS390XState *env = &S390_CPU(cpu)->env;
920
f081c76c
BS
921 return (env->interrupt_request & CPU_INTERRUPT_HARD) &&
922 (env->psw.mask & PSW_MASK_EXT);
923}
924
a4e3ad19 925static inline void cpu_pc_from_tb(CPUS390XState *env, TranslationBlock* tb)
f081c76c
BS
926{
927 env->psw.addr = tb->pc;
928}
929
e72ca652 930/* fpu_helper.c */
e72ca652
BS
931uint32_t set_cc_nz_f32(float32 v);
932uint32_t set_cc_nz_f64(float64 v);
587626f8 933uint32_t set_cc_nz_f128(float128 v);
e72ca652 934
aea1e885 935/* misc_helper.c */
d5a103cd 936void program_interrupt(CPUS390XState *env, uint32_t code, int ilen);
b4e2bd35
RH
937void QEMU_NORETURN runtime_exception(CPUS390XState *env, int excp,
938 uintptr_t retaddr);
a78b0504 939
10ec5117 940#endif