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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
70539e18 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 */
19#ifndef CPU_S390X_H
20#define CPU_S390X_H
45133b74
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21
22#include "config.h"
23#include "qemu-common.h"
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24
25#define TARGET_LONG_BITS 64
26
27#define ELF_MACHINE EM_S390
28
29#define CPUState struct CPUS390XState
30
31#include "cpu-defs.h"
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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 "cpu-all.h"
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38
39#include "softfloat.h"
40
bcec36ea 41#define NB_MMU_MODES 3
10ec5117 42
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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
51typedef struct PSW {
52 uint64_t mask;
53 uint64_t addr;
54} PSW;
55
56typedef struct ExtQueue {
57 uint32_t code;
58 uint32_t param;
59 uint32_t param64;
60} ExtQueue;
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61
62typedef 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 */
bcec36ea 68 CPU_DoubleU fregs[16]; /* FP registers */
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69 float_status fpu_status; /* passed to softfloat lib */
70
bcec36ea 71 PSW psw;
10ec5117 72
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73 uint32_t cc_op;
74 uint64_t cc_src;
75 uint64_t cc_dst;
76 uint64_t cc_vr;
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77
78 uint64_t __excp_addr;
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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
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92 int ext_index;
93
94 CPU_COMMON
95
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96 /* reset does memset(0) up to here */
97
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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;
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106} CPUS390XState;
107
108#if defined(CONFIG_USER_ONLY)
109static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
110{
bcec36ea 111 if (newsp) {
10ec5117 112 env->regs[15] = newsp;
bcec36ea 113 }
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114 env->regs[0] = 0;
115}
116#endif
117
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118/* Interrupt Codes */
119/* Program Interrupts */
120#define PGM_OPERATION 0x0001
121#define PGM_PRIVILEGED 0x0002
122#define PGM_EXECUTE 0x0003
123#define PGM_PROTECTION 0x0004
124#define PGM_ADDRESSING 0x0005
125#define PGM_SPECIFICATION 0x0006
126#define PGM_DATA 0x0007
127#define PGM_FIXPT_OVERFLOW 0x0008
128#define PGM_FIXPT_DIVIDE 0x0009
129#define PGM_DEC_OVERFLOW 0x000a
130#define PGM_DEC_DIVIDE 0x000b
131#define PGM_HFP_EXP_OVERFLOW 0x000c
132#define PGM_HFP_EXP_UNDERFLOW 0x000d
133#define PGM_HFP_SIGNIFICANCE 0x000e
134#define PGM_HFP_DIVIDE 0x000f
135#define PGM_SEGMENT_TRANS 0x0010
136#define PGM_PAGE_TRANS 0x0011
137#define PGM_TRANS_SPEC 0x0012
138#define PGM_SPECIAL_OP 0x0013
139#define PGM_OPERAND 0x0015
140#define PGM_TRACE_TABLE 0x0016
141#define PGM_SPACE_SWITCH 0x001c
142#define PGM_HFP_SQRT 0x001d
143#define PGM_PC_TRANS_SPEC 0x001f
144#define PGM_AFX_TRANS 0x0020
145#define PGM_ASX_TRANS 0x0021
146#define PGM_LX_TRANS 0x0022
147#define PGM_EX_TRANS 0x0023
148#define PGM_PRIM_AUTH 0x0024
149#define PGM_SEC_AUTH 0x0025
150#define PGM_ALET_SPEC 0x0028
151#define PGM_ALEN_SPEC 0x0029
152#define PGM_ALE_SEQ 0x002a
153#define PGM_ASTE_VALID 0x002b
154#define PGM_ASTE_SEQ 0x002c
155#define PGM_EXT_AUTH 0x002d
156#define PGM_STACK_FULL 0x0030
157#define PGM_STACK_EMPTY 0x0031
158#define PGM_STACK_SPEC 0x0032
159#define PGM_STACK_TYPE 0x0033
160#define PGM_STACK_OP 0x0034
161#define PGM_ASCE_TYPE 0x0038
162#define PGM_REG_FIRST_TRANS 0x0039
163#define PGM_REG_SEC_TRANS 0x003a
164#define PGM_REG_THIRD_TRANS 0x003b
165#define PGM_MONITOR 0x0040
166#define PGM_PER 0x0080
167#define PGM_CRYPTO 0x0119
168
169/* External Interrupts */
170#define EXT_INTERRUPT_KEY 0x0040
171#define EXT_CLOCK_COMP 0x1004
172#define EXT_CPU_TIMER 0x1005
173#define EXT_MALFUNCTION 0x1200
174#define EXT_EMERGENCY 0x1201
175#define EXT_EXTERNAL_CALL 0x1202
176#define EXT_ETR 0x1406
177#define EXT_SERVICE 0x2401
178#define EXT_VIRTIO 0x2603
179
180/* PSW defines */
181#undef PSW_MASK_PER
182#undef PSW_MASK_DAT
183#undef PSW_MASK_IO
184#undef PSW_MASK_EXT
185#undef PSW_MASK_KEY
186#undef PSW_SHIFT_KEY
187#undef PSW_MASK_MCHECK
188#undef PSW_MASK_WAIT
189#undef PSW_MASK_PSTATE
190#undef PSW_MASK_ASC
191#undef PSW_MASK_CC
192#undef PSW_MASK_PM
193#undef PSW_MASK_64
194
195#define PSW_MASK_PER 0x4000000000000000ULL
196#define PSW_MASK_DAT 0x0400000000000000ULL
197#define PSW_MASK_IO 0x0200000000000000ULL
198#define PSW_MASK_EXT 0x0100000000000000ULL
199#define PSW_MASK_KEY 0x00F0000000000000ULL
200#define PSW_SHIFT_KEY 56
201#define PSW_MASK_MCHECK 0x0004000000000000ULL
202#define PSW_MASK_WAIT 0x0002000000000000ULL
203#define PSW_MASK_PSTATE 0x0001000000000000ULL
204#define PSW_MASK_ASC 0x0000C00000000000ULL
205#define PSW_MASK_CC 0x0000300000000000ULL
206#define PSW_MASK_PM 0x00000F0000000000ULL
207#define PSW_MASK_64 0x0000000100000000ULL
208#define PSW_MASK_32 0x0000000080000000ULL
209
210#undef PSW_ASC_PRIMARY
211#undef PSW_ASC_ACCREG
212#undef PSW_ASC_SECONDARY
213#undef PSW_ASC_HOME
214
215#define PSW_ASC_PRIMARY 0x0000000000000000ULL
216#define PSW_ASC_ACCREG 0x0000400000000000ULL
217#define PSW_ASC_SECONDARY 0x0000800000000000ULL
218#define PSW_ASC_HOME 0x0000C00000000000ULL
219
220/* tb flags */
221
222#define FLAG_MASK_PER (PSW_MASK_PER >> 32)
223#define FLAG_MASK_DAT (PSW_MASK_DAT >> 32)
224#define FLAG_MASK_IO (PSW_MASK_IO >> 32)
225#define FLAG_MASK_EXT (PSW_MASK_EXT >> 32)
226#define FLAG_MASK_KEY (PSW_MASK_KEY >> 32)
227#define FLAG_MASK_MCHECK (PSW_MASK_MCHECK >> 32)
228#define FLAG_MASK_WAIT (PSW_MASK_WAIT >> 32)
229#define FLAG_MASK_PSTATE (PSW_MASK_PSTATE >> 32)
230#define FLAG_MASK_ASC (PSW_MASK_ASC >> 32)
231#define FLAG_MASK_CC (PSW_MASK_CC >> 32)
232#define FLAG_MASK_PM (PSW_MASK_PM >> 32)
233#define FLAG_MASK_64 (PSW_MASK_64 >> 32)
234#define FLAG_MASK_32 0x00001000
235
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236static inline int cpu_mmu_index (CPUState *env)
237{
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238 if (env->psw.mask & PSW_MASK_PSTATE) {
239 return 1;
240 }
241
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242 return 0;
243}
244
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245static inline void cpu_get_tb_cpu_state(CPUState* env, target_ulong *pc,
246 target_ulong *cs_base, int *flags)
247{
248 *pc = env->psw.addr;
249 *cs_base = 0;
250 *flags = ((env->psw.mask >> 32) & ~FLAG_MASK_CC) |
251 ((env->psw.mask & PSW_MASK_32) ? FLAG_MASK_32 : 0);
252}
253
254static inline int get_ilc(uint8_t opc)
255{
256 switch (opc >> 6) {
257 case 0:
258 return 1;
259 case 1:
260 case 2:
261 return 2;
262 case 3:
263 return 3;
264 }
265
266 return 0;
267}
268
269#define ILC_LATER 0x20
270#define ILC_LATER_INC 0x21
271#define ILC_LATER_INC_2 0x22
272
273
10ec5117 274CPUS390XState *cpu_s390x_init(const char *cpu_model);
bcec36ea 275void s390x_translate_init(void);
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276int cpu_s390x_exec(CPUS390XState *s);
277void cpu_s390x_close(CPUS390XState *s);
bcec36ea 278void do_interrupt (CPUState *env);
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279
280/* you can call this signal handler from your SIGBUS and SIGSEGV
281 signal handlers to inform the virtual CPU of exceptions. non zero
282 is returned if the signal was handled by the virtual CPU. */
283int cpu_s390x_signal_handler(int host_signum, void *pinfo,
284 void *puc);
285int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw,
97b348e7 286 int mmu_idx);
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287#define cpu_handle_mmu_fault cpu_s390x_handle_mmu_fault
288
52705890 289
10c339a0 290#ifndef CONFIG_USER_ONLY
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291int s390_virtio_hypercall(CPUState *env, uint64_t mem, uint64_t hypercall);
292
1f206266 293#ifdef CONFIG_KVM
bcec36ea 294void kvm_s390_interrupt(CPUState *env, int type, uint32_t code);
64b85a8f 295void kvm_s390_virtio_irq(CPUState *env, int config_change, uint64_t token);
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296void kvm_s390_interrupt_internal(CPUState *env, int type, uint32_t parm,
297 uint64_t parm64, int vm);
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298#else
299static inline void kvm_s390_interrupt(CPUState *env, int type, uint32_t code)
300{
301}
302
303static inline void kvm_s390_virtio_irq(CPUState *env, int config_change,
304 uint64_t token)
305{
306}
307
308static inline void kvm_s390_interrupt_internal(CPUState *env, int type,
309 uint32_t parm, uint64_t parm64,
310 int vm)
311{
312}
313#endif
64b85a8f 314CPUState *s390_cpu_addr2state(uint16_t cpu_addr);
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315void s390_add_running_cpu(CPUState *env);
316unsigned s390_del_running_cpu(CPUState *env);
bcec36ea 317
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318/* from s390-virtio-bus */
319extern const target_phys_addr_t virtio_size;
320
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321#else
322static inline void s390_add_running_cpu(CPUState *env)
323{
324}
325
326static inline unsigned s390_del_running_cpu(CPUState *env)
327{
328 return 0;
329}
10c339a0 330#endif
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331void cpu_lock(void);
332void cpu_unlock(void);
10c339a0 333
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334static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
335{
336 env->aregs[0] = newtls >> 32;
337 env->aregs[1] = newtls & 0xffffffffULL;
338}
10c339a0 339
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340#define cpu_init cpu_s390x_init
341#define cpu_exec cpu_s390x_exec
342#define cpu_gen_code cpu_s390x_gen_code
bcec36ea 343#define cpu_signal_handler cpu_s390x_signal_handler
10ec5117 344
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345#include "exec-all.h"
346
347#ifdef CONFIG_USER_ONLY
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348
349#define EXCP_OPEX 1 /* operation exception (sigill) */
350#define EXCP_SVC 2 /* supervisor call (syscall) */
351#define EXCP_ADDR 5 /* addressing exception */
bcec36ea 352#define EXCP_SPEC 6 /* specification exception */
10ec5117 353
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354#else
355
356#define EXCP_EXT 1 /* external interrupt */
357#define EXCP_SVC 2 /* supervisor call (syscall) */
358#define EXCP_PGM 3 /* program interruption */
359
360#endif /* CONFIG_USER_ONLY */
361
362#define INTERRUPT_EXT (1 << 0)
363#define INTERRUPT_TOD (1 << 1)
364#define INTERRUPT_CPUTIMER (1 << 2)
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365
366/* Program Status Word. */
367#define S390_PSWM_REGNUM 0
368#define S390_PSWA_REGNUM 1
369/* General Purpose Registers. */
370#define S390_R0_REGNUM 2
371#define S390_R1_REGNUM 3
372#define S390_R2_REGNUM 4
373#define S390_R3_REGNUM 5
374#define S390_R4_REGNUM 6
375#define S390_R5_REGNUM 7
376#define S390_R6_REGNUM 8
377#define S390_R7_REGNUM 9
378#define S390_R8_REGNUM 10
379#define S390_R9_REGNUM 11
380#define S390_R10_REGNUM 12
381#define S390_R11_REGNUM 13
382#define S390_R12_REGNUM 14
383#define S390_R13_REGNUM 15
384#define S390_R14_REGNUM 16
385#define S390_R15_REGNUM 17
386/* Access Registers. */
387#define S390_A0_REGNUM 18
388#define S390_A1_REGNUM 19
389#define S390_A2_REGNUM 20
390#define S390_A3_REGNUM 21
391#define S390_A4_REGNUM 22
392#define S390_A5_REGNUM 23
393#define S390_A6_REGNUM 24
394#define S390_A7_REGNUM 25
395#define S390_A8_REGNUM 26
396#define S390_A9_REGNUM 27
397#define S390_A10_REGNUM 28
398#define S390_A11_REGNUM 29
399#define S390_A12_REGNUM 30
400#define S390_A13_REGNUM 31
401#define S390_A14_REGNUM 32
402#define S390_A15_REGNUM 33
403/* Floating Point Control Word. */
404#define S390_FPC_REGNUM 34
405/* Floating Point Registers. */
406#define S390_F0_REGNUM 35
407#define S390_F1_REGNUM 36
408#define S390_F2_REGNUM 37
409#define S390_F3_REGNUM 38
410#define S390_F4_REGNUM 39
411#define S390_F5_REGNUM 40
412#define S390_F6_REGNUM 41
413#define S390_F7_REGNUM 42
414#define S390_F8_REGNUM 43
415#define S390_F9_REGNUM 44
416#define S390_F10_REGNUM 45
417#define S390_F11_REGNUM 46
418#define S390_F12_REGNUM 47
419#define S390_F13_REGNUM 48
420#define S390_F14_REGNUM 49
421#define S390_F15_REGNUM 50
422/* Total. */
423#define S390_NUM_REGS 51
424
425/* Pseudo registers -- PC and condition code. */
426#define S390_PC_REGNUM S390_NUM_REGS
427#define S390_CC_REGNUM (S390_NUM_REGS+1)
428#define S390_NUM_PSEUDO_REGS 2
429#define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2)
430
431
432
433/* Program Status Word. */
434#define S390_PSWM_REGNUM 0
435#define S390_PSWA_REGNUM 1
436/* General Purpose Registers. */
437#define S390_R0_REGNUM 2
438#define S390_R1_REGNUM 3
439#define S390_R2_REGNUM 4
440#define S390_R3_REGNUM 5
441#define S390_R4_REGNUM 6
442#define S390_R5_REGNUM 7
443#define S390_R6_REGNUM 8
444#define S390_R7_REGNUM 9
445#define S390_R8_REGNUM 10
446#define S390_R9_REGNUM 11
447#define S390_R10_REGNUM 12
448#define S390_R11_REGNUM 13
449#define S390_R12_REGNUM 14
450#define S390_R13_REGNUM 15
451#define S390_R14_REGNUM 16
452#define S390_R15_REGNUM 17
453/* Access Registers. */
454#define S390_A0_REGNUM 18
455#define S390_A1_REGNUM 19
456#define S390_A2_REGNUM 20
457#define S390_A3_REGNUM 21
458#define S390_A4_REGNUM 22
459#define S390_A5_REGNUM 23
460#define S390_A6_REGNUM 24
461#define S390_A7_REGNUM 25
462#define S390_A8_REGNUM 26
463#define S390_A9_REGNUM 27
464#define S390_A10_REGNUM 28
465#define S390_A11_REGNUM 29
466#define S390_A12_REGNUM 30
467#define S390_A13_REGNUM 31
468#define S390_A14_REGNUM 32
469#define S390_A15_REGNUM 33
470/* Floating Point Control Word. */
471#define S390_FPC_REGNUM 34
472/* Floating Point Registers. */
473#define S390_F0_REGNUM 35
474#define S390_F1_REGNUM 36
475#define S390_F2_REGNUM 37
476#define S390_F3_REGNUM 38
477#define S390_F4_REGNUM 39
478#define S390_F5_REGNUM 40
479#define S390_F6_REGNUM 41
480#define S390_F7_REGNUM 42
481#define S390_F8_REGNUM 43
482#define S390_F9_REGNUM 44
483#define S390_F10_REGNUM 45
484#define S390_F11_REGNUM 46
485#define S390_F12_REGNUM 47
486#define S390_F13_REGNUM 48
487#define S390_F14_REGNUM 49
488#define S390_F15_REGNUM 50
489/* Total. */
490#define S390_NUM_REGS 51
491
492/* Pseudo registers -- PC and condition code. */
493#define S390_PC_REGNUM S390_NUM_REGS
494#define S390_CC_REGNUM (S390_NUM_REGS+1)
495#define S390_NUM_PSEUDO_REGS 2
496#define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2)
497
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498/* CC optimization */
499
500enum cc_op {
501 CC_OP_CONST0 = 0, /* CC is 0 */
502 CC_OP_CONST1, /* CC is 1 */
503 CC_OP_CONST2, /* CC is 2 */
504 CC_OP_CONST3, /* CC is 3 */
505
506 CC_OP_DYNAMIC, /* CC calculation defined by env->cc_op */
507 CC_OP_STATIC, /* CC value is env->cc_op */
508
509 CC_OP_NZ, /* env->cc_dst != 0 */
510 CC_OP_LTGT_32, /* signed less/greater than (32bit) */
511 CC_OP_LTGT_64, /* signed less/greater than (64bit) */
512 CC_OP_LTUGTU_32, /* unsigned less/greater than (32bit) */
513 CC_OP_LTUGTU_64, /* unsigned less/greater than (64bit) */
514 CC_OP_LTGT0_32, /* signed less/greater than 0 (32bit) */
515 CC_OP_LTGT0_64, /* signed less/greater than 0 (64bit) */
516
517 CC_OP_ADD_64, /* overflow on add (64bit) */
518 CC_OP_ADDU_64, /* overflow on unsigned add (64bit) */
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519 CC_OP_SUB_64, /* overflow on subtraction (64bit) */
520 CC_OP_SUBU_64, /* overflow on unsigned subtraction (64bit) */
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521 CC_OP_ABS_64, /* sign eval on abs (64bit) */
522 CC_OP_NABS_64, /* sign eval on nabs (64bit) */
523
524 CC_OP_ADD_32, /* overflow on add (32bit) */
525 CC_OP_ADDU_32, /* overflow on unsigned add (32bit) */
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526 CC_OP_SUB_32, /* overflow on subtraction (32bit) */
527 CC_OP_SUBU_32, /* overflow on unsigned subtraction (32bit) */
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528 CC_OP_ABS_32, /* sign eval on abs (64bit) */
529 CC_OP_NABS_32, /* sign eval on nabs (64bit) */
530
531 CC_OP_COMP_32, /* complement */
532 CC_OP_COMP_64, /* complement */
533
534 CC_OP_TM_32, /* test under mask (32bit) */
535 CC_OP_TM_64, /* test under mask (64bit) */
536
537 CC_OP_LTGT_F32, /* FP compare (32bit) */
538 CC_OP_LTGT_F64, /* FP compare (64bit) */
539
540 CC_OP_NZ_F32, /* FP dst != 0 (32bit) */
541 CC_OP_NZ_F64, /* FP dst != 0 (64bit) */
542
543 CC_OP_ICM, /* insert characters under mask */
544 CC_OP_SLAG, /* Calculate shift left signed */
545 CC_OP_MAX
546};
547
548static const char *cc_names[] = {
549 [CC_OP_CONST0] = "CC_OP_CONST0",
550 [CC_OP_CONST1] = "CC_OP_CONST1",
551 [CC_OP_CONST2] = "CC_OP_CONST2",
552 [CC_OP_CONST3] = "CC_OP_CONST3",
553 [CC_OP_DYNAMIC] = "CC_OP_DYNAMIC",
554 [CC_OP_STATIC] = "CC_OP_STATIC",
555 [CC_OP_NZ] = "CC_OP_NZ",
556 [CC_OP_LTGT_32] = "CC_OP_LTGT_32",
557 [CC_OP_LTGT_64] = "CC_OP_LTGT_64",
558 [CC_OP_LTUGTU_32] = "CC_OP_LTUGTU_32",
559 [CC_OP_LTUGTU_64] = "CC_OP_LTUGTU_64",
560 [CC_OP_LTGT0_32] = "CC_OP_LTGT0_32",
561 [CC_OP_LTGT0_64] = "CC_OP_LTGT0_64",
562 [CC_OP_ADD_64] = "CC_OP_ADD_64",
563 [CC_OP_ADDU_64] = "CC_OP_ADDU_64",
564 [CC_OP_SUB_64] = "CC_OP_SUB_64",
565 [CC_OP_SUBU_64] = "CC_OP_SUBU_64",
566 [CC_OP_ABS_64] = "CC_OP_ABS_64",
567 [CC_OP_NABS_64] = "CC_OP_NABS_64",
568 [CC_OP_ADD_32] = "CC_OP_ADD_32",
569 [CC_OP_ADDU_32] = "CC_OP_ADDU_32",
570 [CC_OP_SUB_32] = "CC_OP_SUB_32",
571 [CC_OP_SUBU_32] = "CC_OP_SUBU_32",
572 [CC_OP_ABS_32] = "CC_OP_ABS_32",
573 [CC_OP_NABS_32] = "CC_OP_NABS_32",
574 [CC_OP_COMP_32] = "CC_OP_COMP_32",
575 [CC_OP_COMP_64] = "CC_OP_COMP_64",
576 [CC_OP_TM_32] = "CC_OP_TM_32",
577 [CC_OP_TM_64] = "CC_OP_TM_64",
578 [CC_OP_LTGT_F32] = "CC_OP_LTGT_F32",
579 [CC_OP_LTGT_F64] = "CC_OP_LTGT_F64",
580 [CC_OP_NZ_F32] = "CC_OP_NZ_F32",
581 [CC_OP_NZ_F64] = "CC_OP_NZ_F64",
582 [CC_OP_ICM] = "CC_OP_ICM",
583 [CC_OP_SLAG] = "CC_OP_SLAG",
584};
585
586static inline const char *cc_name(int cc_op)
587{
588 return cc_names[cc_op];
589}
590
591/* SCLP PV interface defines */
592#define SCLP_CMDW_READ_SCP_INFO 0x00020001
593#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001
594
595#define SCP_LENGTH 0x00
596#define SCP_FUNCTION_CODE 0x02
597#define SCP_CONTROL_MASK 0x03
598#define SCP_RESPONSE_CODE 0x06
599#define SCP_MEM_CODE 0x08
600#define SCP_INCREMENT 0x0a
601
602typedef struct LowCore
603{
604 /* prefix area: defined by architecture */
605 uint32_t ccw1[2]; /* 0x000 */
606 uint32_t ccw2[4]; /* 0x008 */
607 uint8_t pad1[0x80-0x18]; /* 0x018 */
608 uint32_t ext_params; /* 0x080 */
609 uint16_t cpu_addr; /* 0x084 */
610 uint16_t ext_int_code; /* 0x086 */
611 uint16_t svc_ilc; /* 0x088 */
612 uint16_t svc_code; /* 0x08a */
613 uint16_t pgm_ilc; /* 0x08c */
614 uint16_t pgm_code; /* 0x08e */
615 uint32_t data_exc_code; /* 0x090 */
616 uint16_t mon_class_num; /* 0x094 */
617 uint16_t per_perc_atmid; /* 0x096 */
618 uint64_t per_address; /* 0x098 */
619 uint8_t exc_access_id; /* 0x0a0 */
620 uint8_t per_access_id; /* 0x0a1 */
621 uint8_t op_access_id; /* 0x0a2 */
622 uint8_t ar_access_id; /* 0x0a3 */
623 uint8_t pad2[0xA8-0xA4]; /* 0x0a4 */
624 uint64_t trans_exc_code; /* 0x0a8 */
625 uint64_t monitor_code; /* 0x0b0 */
626 uint16_t subchannel_id; /* 0x0b8 */
627 uint16_t subchannel_nr; /* 0x0ba */
628 uint32_t io_int_parm; /* 0x0bc */
629 uint32_t io_int_word; /* 0x0c0 */
630 uint8_t pad3[0xc8-0xc4]; /* 0x0c4 */
631 uint32_t stfl_fac_list; /* 0x0c8 */
632 uint8_t pad4[0xe8-0xcc]; /* 0x0cc */
633 uint32_t mcck_interruption_code[2]; /* 0x0e8 */
634 uint8_t pad5[0xf4-0xf0]; /* 0x0f0 */
635 uint32_t external_damage_code; /* 0x0f4 */
636 uint64_t failing_storage_address; /* 0x0f8 */
637 uint8_t pad6[0x120-0x100]; /* 0x100 */
638 PSW restart_old_psw; /* 0x120 */
639 PSW external_old_psw; /* 0x130 */
640 PSW svc_old_psw; /* 0x140 */
641 PSW program_old_psw; /* 0x150 */
642 PSW mcck_old_psw; /* 0x160 */
643 PSW io_old_psw; /* 0x170 */
644 uint8_t pad7[0x1a0-0x180]; /* 0x180 */
645 PSW restart_psw; /* 0x1a0 */
646 PSW external_new_psw; /* 0x1b0 */
647 PSW svc_new_psw; /* 0x1c0 */
648 PSW program_new_psw; /* 0x1d0 */
649 PSW mcck_new_psw; /* 0x1e0 */
650 PSW io_new_psw; /* 0x1f0 */
651 PSW return_psw; /* 0x200 */
652 uint8_t irb[64]; /* 0x210 */
653 uint64_t sync_enter_timer; /* 0x250 */
654 uint64_t async_enter_timer; /* 0x258 */
655 uint64_t exit_timer; /* 0x260 */
656 uint64_t last_update_timer; /* 0x268 */
657 uint64_t user_timer; /* 0x270 */
658 uint64_t system_timer; /* 0x278 */
659 uint64_t last_update_clock; /* 0x280 */
660 uint64_t steal_clock; /* 0x288 */
661 PSW return_mcck_psw; /* 0x290 */
662 uint8_t pad8[0xc00-0x2a0]; /* 0x2a0 */
663 /* System info area */
664 uint64_t save_area[16]; /* 0xc00 */
665 uint8_t pad9[0xd40-0xc80]; /* 0xc80 */
666 uint64_t kernel_stack; /* 0xd40 */
667 uint64_t thread_info; /* 0xd48 */
668 uint64_t async_stack; /* 0xd50 */
669 uint64_t kernel_asce; /* 0xd58 */
670 uint64_t user_asce; /* 0xd60 */
671 uint64_t panic_stack; /* 0xd68 */
672 uint64_t user_exec_asce; /* 0xd70 */
673 uint8_t pad10[0xdc0-0xd78]; /* 0xd78 */
674
675 /* SMP info area: defined by DJB */
676 uint64_t clock_comparator; /* 0xdc0 */
677 uint64_t ext_call_fast; /* 0xdc8 */
678 uint64_t percpu_offset; /* 0xdd0 */
679 uint64_t current_task; /* 0xdd8 */
680 uint32_t softirq_pending; /* 0xde0 */
681 uint32_t pad_0x0de4; /* 0xde4 */
682 uint64_t int_clock; /* 0xde8 */
683 uint8_t pad12[0xe00-0xdf0]; /* 0xdf0 */
684
685 /* 0xe00 is used as indicator for dump tools */
686 /* whether the kernel died with panic() or not */
687 uint32_t panic_magic; /* 0xe00 */
688
689 uint8_t pad13[0x11b8-0xe04]; /* 0xe04 */
690
691 /* 64 bit extparam used for pfault, diag 250 etc */
692 uint64_t ext_params2; /* 0x11B8 */
693
694 uint8_t pad14[0x1200-0x11C0]; /* 0x11C0 */
695
696 /* System info area */
697
698 uint64_t floating_pt_save_area[16]; /* 0x1200 */
699 uint64_t gpregs_save_area[16]; /* 0x1280 */
700 uint32_t st_status_fixed_logout[4]; /* 0x1300 */
701 uint8_t pad15[0x1318-0x1310]; /* 0x1310 */
702 uint32_t prefixreg_save_area; /* 0x1318 */
703 uint32_t fpt_creg_save_area; /* 0x131c */
704 uint8_t pad16[0x1324-0x1320]; /* 0x1320 */
705 uint32_t tod_progreg_save_area; /* 0x1324 */
706 uint32_t cpu_timer_save_area[2]; /* 0x1328 */
707 uint32_t clock_comp_save_area[2]; /* 0x1330 */
708 uint8_t pad17[0x1340-0x1338]; /* 0x1338 */
709 uint32_t access_regs_save_area[16]; /* 0x1340 */
710 uint64_t cregs_save_area[16]; /* 0x1380 */
711
712 /* align to the top of the prefix area */
713
714 uint8_t pad18[0x2000-0x1400]; /* 0x1400 */
541dc0d4 715} QEMU_PACKED LowCore;
bcec36ea
AG
716
717/* STSI */
718#define STSI_LEVEL_MASK 0x00000000f0000000ULL
719#define STSI_LEVEL_CURRENT 0x0000000000000000ULL
720#define STSI_LEVEL_1 0x0000000010000000ULL
721#define STSI_LEVEL_2 0x0000000020000000ULL
722#define STSI_LEVEL_3 0x0000000030000000ULL
723#define STSI_R0_RESERVED_MASK 0x000000000fffff00ULL
724#define STSI_R0_SEL1_MASK 0x00000000000000ffULL
725#define STSI_R1_RESERVED_MASK 0x00000000ffff0000ULL
726#define STSI_R1_SEL2_MASK 0x000000000000ffffULL
727
728/* Basic Machine Configuration */
729struct sysib_111 {
730 uint32_t res1[8];
731 uint8_t manuf[16];
732 uint8_t type[4];
733 uint8_t res2[12];
734 uint8_t model[16];
735 uint8_t sequence[16];
736 uint8_t plant[4];
737 uint8_t res3[156];
738};
739
740/* Basic Machine CPU */
741struct sysib_121 {
742 uint32_t res1[80];
743 uint8_t sequence[16];
744 uint8_t plant[4];
745 uint8_t res2[2];
746 uint16_t cpu_addr;
747 uint8_t res3[152];
748};
749
750/* Basic Machine CPUs */
751struct sysib_122 {
752 uint8_t res1[32];
753 uint32_t capability;
754 uint16_t total_cpus;
755 uint16_t active_cpus;
756 uint16_t standby_cpus;
757 uint16_t reserved_cpus;
758 uint16_t adjustments[2026];
759};
760
761/* LPAR CPU */
762struct sysib_221 {
763 uint32_t res1[80];
764 uint8_t sequence[16];
765 uint8_t plant[4];
766 uint16_t cpu_id;
767 uint16_t cpu_addr;
768 uint8_t res3[152];
769};
770
771/* LPAR CPUs */
772struct sysib_222 {
773 uint32_t res1[32];
774 uint16_t lpar_num;
775 uint8_t res2;
776 uint8_t lcpuc;
777 uint16_t total_cpus;
778 uint16_t conf_cpus;
779 uint16_t standby_cpus;
780 uint16_t reserved_cpus;
781 uint8_t name[8];
782 uint32_t caf;
783 uint8_t res3[16];
784 uint16_t dedicated_cpus;
785 uint16_t shared_cpus;
786 uint8_t res4[180];
787};
788
789/* VM CPUs */
790struct sysib_322 {
791 uint8_t res1[31];
792 uint8_t count;
793 struct {
794 uint8_t res2[4];
795 uint16_t total_cpus;
796 uint16_t conf_cpus;
797 uint16_t standby_cpus;
798 uint16_t reserved_cpus;
799 uint8_t name[8];
800 uint32_t caf;
801 uint8_t cpi[16];
802 uint8_t res3[24];
803 } vm[8];
804 uint8_t res4[3552];
805};
806
807/* MMU defines */
808#define _ASCE_ORIGIN ~0xfffULL /* segment table origin */
809#define _ASCE_SUBSPACE 0x200 /* subspace group control */
810#define _ASCE_PRIVATE_SPACE 0x100 /* private space control */
811#define _ASCE_ALT_EVENT 0x80 /* storage alteration event control */
812#define _ASCE_SPACE_SWITCH 0x40 /* space switch event */
813#define _ASCE_REAL_SPACE 0x20 /* real space control */
814#define _ASCE_TYPE_MASK 0x0c /* asce table type mask */
815#define _ASCE_TYPE_REGION1 0x0c /* region first table type */
816#define _ASCE_TYPE_REGION2 0x08 /* region second table type */
817#define _ASCE_TYPE_REGION3 0x04 /* region third table type */
818#define _ASCE_TYPE_SEGMENT 0x00 /* segment table type */
819#define _ASCE_TABLE_LENGTH 0x03 /* region table length */
820
821#define _REGION_ENTRY_ORIGIN ~0xfffULL /* region/segment table origin */
822#define _REGION_ENTRY_INV 0x20 /* invalid region table entry */
823#define _REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */
824#define _REGION_ENTRY_TYPE_R1 0x0c /* region first table type */
825#define _REGION_ENTRY_TYPE_R2 0x08 /* region second table type */
826#define _REGION_ENTRY_TYPE_R3 0x04 /* region third table type */
827#define _REGION_ENTRY_LENGTH 0x03 /* region third length */
828
829#define _SEGMENT_ENTRY_ORIGIN ~0x7ffULL /* segment table origin */
830#define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */
831#define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */
832
833#define _PAGE_RO 0x200 /* HW read-only bit */
834#define _PAGE_INVALID 0x400 /* HW invalid bit */
835
b9959138
AG
836#define SK_C (0x1 << 1)
837#define SK_R (0x1 << 2)
838#define SK_F (0x1 << 3)
839#define SK_ACC_MASK (0xf << 4)
bcec36ea
AG
840
841
842/* EBCDIC handling */
843static const uint8_t ebcdic2ascii[] = {
844 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
845 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
846 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
847 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
848 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
849 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
850 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
851 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
852 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
853 0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21,
854 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
855 0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
856 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
857 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
858 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
859 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
860 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
861 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
862 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
863 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
864 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
865 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
866 0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
867 0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07,
868 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
869 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
870 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
871 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
872 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
873 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
874 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
875 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07,
876};
877
878static const uint8_t ascii2ebcdic [] = {
879 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
880 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
881 0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26,
882 0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F,
883 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
884 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
885 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
886 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
887 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
888 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
889 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
890 0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D,
891 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
892 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
893 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
894 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
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, 0x3F, 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 0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
908 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
909 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
910 0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF
911};
912
913static inline void ebcdic_put(uint8_t *p, const char *ascii, int len)
914{
915 int i;
916
917 for (i = 0; i < len; i++) {
918 p[i] = ascii2ebcdic[(int)ascii[i]];
919 }
920}
921
922#define SIGP_SENSE 0x01
923#define SIGP_EXTERNAL_CALL 0x02
924#define SIGP_EMERGENCY 0x03
925#define SIGP_START 0x04
926#define SIGP_STOP 0x05
927#define SIGP_RESTART 0x06
928#define SIGP_STOP_STORE_STATUS 0x09
929#define SIGP_INITIAL_CPU_RESET 0x0b
930#define SIGP_CPU_RESET 0x0c
931#define SIGP_SET_PREFIX 0x0d
932#define SIGP_STORE_STATUS_ADDR 0x0e
933#define SIGP_SET_ARCH 0x12
934
935/* cpu status bits */
936#define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL
937#define SIGP_STAT_INCORRECT_STATE 0x00000200UL
938#define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
939#define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL
940#define SIGP_STAT_STOPPED 0x00000040UL
941#define SIGP_STAT_OPERATOR_INTERV 0x00000020UL
942#define SIGP_STAT_CHECK_STOP 0x00000010UL
943#define SIGP_STAT_INOPERATIVE 0x00000004UL
944#define SIGP_STAT_INVALID_ORDER 0x00000002UL
945#define SIGP_STAT_RECEIVER_CHECK 0x00000001UL
946
947void load_psw(CPUState *env, uint64_t mask, uint64_t addr);
948int mmu_translate(CPUState *env, target_ulong vaddr, int rw, uint64_t asc,
949 target_ulong *raddr, int *flags);
950int sclp_service_call(CPUState *env, uint32_t sccb, uint64_t code);
951uint32_t calc_cc(CPUState *env, uint32_t cc_op, uint64_t src, uint64_t dst,
952 uint64_t vr);
953
954#define TARGET_HAS_ICE 1
955
956/* The value of the TOD clock for 1.1.1970. */
957#define TOD_UNIX_EPOCH 0x7d91048bca000000ULL
958
959/* Converts ns to s390's clock format */
960static inline uint64_t time2tod(uint64_t ns) {
961 return (ns << 9) / 125;
962}
963
964static inline void cpu_inject_ext(CPUState *env, uint32_t code, uint32_t param,
965 uint64_t param64)
966{
967 if (env->ext_index == MAX_EXT_QUEUE - 1) {
968 /* ugh - can't queue anymore. Let's drop. */
969 return;
970 }
971
972 env->ext_index++;
973 assert(env->ext_index < MAX_EXT_QUEUE);
974
975 env->ext_queue[env->ext_index].code = code;
976 env->ext_queue[env->ext_index].param = param;
977 env->ext_queue[env->ext_index].param64 = param64;
978
979 env->pending_int |= INTERRUPT_EXT;
980 cpu_interrupt(env, CPU_INTERRUPT_HARD);
981}
10c339a0 982
f081c76c
BS
983static inline bool cpu_has_work(CPUState *env)
984{
985 return (env->interrupt_request & CPU_INTERRUPT_HARD) &&
986 (env->psw.mask & PSW_MASK_EXT);
987}
988
989static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock* tb)
990{
991 env->psw.addr = tb->pc;
992}
993
10ec5117 994#endif