Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
[qemu.git] / target-sparc / cpu.h
1 #ifndef CPU_SPARC_H
2 #define CPU_SPARC_H
3
4 #include "config.h"
5 #include "qemu-common.h"
6 #include "qemu/bswap.h"
7
8 #if !defined(TARGET_SPARC64)
9 #define TARGET_LONG_BITS 32
10 #define TARGET_DPREGS 16
11 #define TARGET_PAGE_BITS 12 /* 4k */
12 #define TARGET_PHYS_ADDR_SPACE_BITS 36
13 #define TARGET_VIRT_ADDR_SPACE_BITS 32
14 #else
15 #define TARGET_LONG_BITS 64
16 #define TARGET_DPREGS 32
17 #define TARGET_PAGE_BITS 13 /* 8k */
18 #define TARGET_PHYS_ADDR_SPACE_BITS 41
19 # ifdef TARGET_ABI32
20 # define TARGET_VIRT_ADDR_SPACE_BITS 32
21 # else
22 # define TARGET_VIRT_ADDR_SPACE_BITS 44
23 # endif
24 #endif
25
26 #define CPUArchState struct CPUSPARCState
27
28 #include "exec/cpu-defs.h"
29
30 #include "fpu/softfloat.h"
31
32 #define TARGET_HAS_ICE 1
33
34 #if !defined(TARGET_SPARC64)
35 #define ELF_MACHINE EM_SPARC
36 #else
37 #define ELF_MACHINE EM_SPARCV9
38 #endif
39
40 /*#define EXCP_INTERRUPT 0x100*/
41
42 /* trap definitions */
43 #ifndef TARGET_SPARC64
44 #define TT_TFAULT 0x01
45 #define TT_ILL_INSN 0x02
46 #define TT_PRIV_INSN 0x03
47 #define TT_NFPU_INSN 0x04
48 #define TT_WIN_OVF 0x05
49 #define TT_WIN_UNF 0x06
50 #define TT_UNALIGNED 0x07
51 #define TT_FP_EXCP 0x08
52 #define TT_DFAULT 0x09
53 #define TT_TOVF 0x0a
54 #define TT_EXTINT 0x10
55 #define TT_CODE_ACCESS 0x21
56 #define TT_UNIMP_FLUSH 0x25
57 #define TT_DATA_ACCESS 0x29
58 #define TT_DIV_ZERO 0x2a
59 #define TT_NCP_INSN 0x24
60 #define TT_TRAP 0x80
61 #else
62 #define TT_POWER_ON_RESET 0x01
63 #define TT_TFAULT 0x08
64 #define TT_CODE_ACCESS 0x0a
65 #define TT_ILL_INSN 0x10
66 #define TT_UNIMP_FLUSH TT_ILL_INSN
67 #define TT_PRIV_INSN 0x11
68 #define TT_NFPU_INSN 0x20
69 #define TT_FP_EXCP 0x21
70 #define TT_TOVF 0x23
71 #define TT_CLRWIN 0x24
72 #define TT_DIV_ZERO 0x28
73 #define TT_DFAULT 0x30
74 #define TT_DATA_ACCESS 0x32
75 #define TT_UNALIGNED 0x34
76 #define TT_PRIV_ACT 0x37
77 #define TT_EXTINT 0x40
78 #define TT_IVEC 0x60
79 #define TT_TMISS 0x64
80 #define TT_DMISS 0x68
81 #define TT_DPROT 0x6c
82 #define TT_SPILL 0x80
83 #define TT_FILL 0xc0
84 #define TT_WOTHER (1 << 5)
85 #define TT_TRAP 0x100
86 #endif
87
88 #define PSR_NEG_SHIFT 23
89 #define PSR_NEG (1 << PSR_NEG_SHIFT)
90 #define PSR_ZERO_SHIFT 22
91 #define PSR_ZERO (1 << PSR_ZERO_SHIFT)
92 #define PSR_OVF_SHIFT 21
93 #define PSR_OVF (1 << PSR_OVF_SHIFT)
94 #define PSR_CARRY_SHIFT 20
95 #define PSR_CARRY (1 << PSR_CARRY_SHIFT)
96 #define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY)
97 #if !defined(TARGET_SPARC64)
98 #define PSR_EF (1<<12)
99 #define PSR_PIL 0xf00
100 #define PSR_S (1<<7)
101 #define PSR_PS (1<<6)
102 #define PSR_ET (1<<5)
103 #define PSR_CWP 0x1f
104 #endif
105
106 #define CC_SRC (env->cc_src)
107 #define CC_SRC2 (env->cc_src2)
108 #define CC_DST (env->cc_dst)
109 #define CC_OP (env->cc_op)
110
111 enum {
112 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
113 CC_OP_FLAGS, /* all cc are back in status register */
114 CC_OP_DIV, /* modify N, Z and V, C = 0*/
115 CC_OP_ADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */
116 CC_OP_ADDX, /* modify all flags, CC_DST = res, CC_SRC = src1 */
117 CC_OP_TADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */
118 CC_OP_TADDTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
119 CC_OP_SUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
120 CC_OP_SUBX, /* modify all flags, CC_DST = res, CC_SRC = src1 */
121 CC_OP_TSUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
122 CC_OP_TSUBTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
123 CC_OP_LOGIC, /* modify N and Z, C = V = 0, CC_DST = res */
124 CC_OP_NB,
125 };
126
127 /* Trap base register */
128 #define TBR_BASE_MASK 0xfffff000
129
130 #if defined(TARGET_SPARC64)
131 #define PS_TCT (1<<12) /* UA2007, impl.dep. trap on control transfer */
132 #define PS_IG (1<<11) /* v9, zero on UA2007 */
133 #define PS_MG (1<<10) /* v9, zero on UA2007 */
134 #define PS_CLE (1<<9) /* UA2007 */
135 #define PS_TLE (1<<8) /* UA2007 */
136 #define PS_RMO (1<<7)
137 #define PS_RED (1<<5) /* v9, zero on UA2007 */
138 #define PS_PEF (1<<4) /* enable fpu */
139 #define PS_AM (1<<3) /* address mask */
140 #define PS_PRIV (1<<2)
141 #define PS_IE (1<<1)
142 #define PS_AG (1<<0) /* v9, zero on UA2007 */
143
144 #define FPRS_FEF (1<<2)
145
146 #define HS_PRIV (1<<2)
147 #endif
148
149 /* Fcc */
150 #define FSR_RD1 (1ULL << 31)
151 #define FSR_RD0 (1ULL << 30)
152 #define FSR_RD_MASK (FSR_RD1 | FSR_RD0)
153 #define FSR_RD_NEAREST 0
154 #define FSR_RD_ZERO FSR_RD0
155 #define FSR_RD_POS FSR_RD1
156 #define FSR_RD_NEG (FSR_RD1 | FSR_RD0)
157
158 #define FSR_NVM (1ULL << 27)
159 #define FSR_OFM (1ULL << 26)
160 #define FSR_UFM (1ULL << 25)
161 #define FSR_DZM (1ULL << 24)
162 #define FSR_NXM (1ULL << 23)
163 #define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM)
164
165 #define FSR_NVA (1ULL << 9)
166 #define FSR_OFA (1ULL << 8)
167 #define FSR_UFA (1ULL << 7)
168 #define FSR_DZA (1ULL << 6)
169 #define FSR_NXA (1ULL << 5)
170 #define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
171
172 #define FSR_NVC (1ULL << 4)
173 #define FSR_OFC (1ULL << 3)
174 #define FSR_UFC (1ULL << 2)
175 #define FSR_DZC (1ULL << 1)
176 #define FSR_NXC (1ULL << 0)
177 #define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC)
178
179 #define FSR_FTT2 (1ULL << 16)
180 #define FSR_FTT1 (1ULL << 15)
181 #define FSR_FTT0 (1ULL << 14)
182 //gcc warns about constant overflow for ~FSR_FTT_MASK
183 //#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0)
184 #ifdef TARGET_SPARC64
185 #define FSR_FTT_NMASK 0xfffffffffffe3fffULL
186 #define FSR_FTT_CEXC_NMASK 0xfffffffffffe3fe0ULL
187 #define FSR_LDFSR_OLDMASK 0x0000003f000fc000ULL
188 #define FSR_LDXFSR_MASK 0x0000003fcfc00fffULL
189 #define FSR_LDXFSR_OLDMASK 0x00000000000fc000ULL
190 #else
191 #define FSR_FTT_NMASK 0xfffe3fffULL
192 #define FSR_FTT_CEXC_NMASK 0xfffe3fe0ULL
193 #define FSR_LDFSR_OLDMASK 0x000fc000ULL
194 #endif
195 #define FSR_LDFSR_MASK 0xcfc00fffULL
196 #define FSR_FTT_IEEE_EXCP (1ULL << 14)
197 #define FSR_FTT_UNIMPFPOP (3ULL << 14)
198 #define FSR_FTT_SEQ_ERROR (4ULL << 14)
199 #define FSR_FTT_INVAL_FPR (6ULL << 14)
200
201 #define FSR_FCC1_SHIFT 11
202 #define FSR_FCC1 (1ULL << FSR_FCC1_SHIFT)
203 #define FSR_FCC0_SHIFT 10
204 #define FSR_FCC0 (1ULL << FSR_FCC0_SHIFT)
205
206 /* MMU */
207 #define MMU_E (1<<0)
208 #define MMU_NF (1<<1)
209
210 #define PTE_ENTRYTYPE_MASK 3
211 #define PTE_ACCESS_MASK 0x1c
212 #define PTE_ACCESS_SHIFT 2
213 #define PTE_PPN_SHIFT 7
214 #define PTE_ADDR_MASK 0xffffff00
215
216 #define PG_ACCESSED_BIT 5
217 #define PG_MODIFIED_BIT 6
218 #define PG_CACHE_BIT 7
219
220 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
221 #define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT)
222 #define PG_CACHE_MASK (1 << PG_CACHE_BIT)
223
224 /* 3 <= NWINDOWS <= 32. */
225 #define MIN_NWINDOWS 3
226 #define MAX_NWINDOWS 32
227
228 #if !defined(TARGET_SPARC64)
229 #define NB_MMU_MODES 2
230 #else
231 #define NB_MMU_MODES 6
232 typedef struct trap_state {
233 uint64_t tpc;
234 uint64_t tnpc;
235 uint64_t tstate;
236 uint32_t tt;
237 } trap_state;
238 #endif
239
240 typedef struct sparc_def_t {
241 const char *name;
242 target_ulong iu_version;
243 uint32_t fpu_version;
244 uint32_t mmu_version;
245 uint32_t mmu_bm;
246 uint32_t mmu_ctpr_mask;
247 uint32_t mmu_cxr_mask;
248 uint32_t mmu_sfsr_mask;
249 uint32_t mmu_trcr_mask;
250 uint32_t mxcc_version;
251 uint32_t features;
252 uint32_t nwindows;
253 uint32_t maxtl;
254 } sparc_def_t;
255
256 #define CPU_FEATURE_FLOAT (1 << 0)
257 #define CPU_FEATURE_FLOAT128 (1 << 1)
258 #define CPU_FEATURE_SWAP (1 << 2)
259 #define CPU_FEATURE_MUL (1 << 3)
260 #define CPU_FEATURE_DIV (1 << 4)
261 #define CPU_FEATURE_FLUSH (1 << 5)
262 #define CPU_FEATURE_FSQRT (1 << 6)
263 #define CPU_FEATURE_FMUL (1 << 7)
264 #define CPU_FEATURE_VIS1 (1 << 8)
265 #define CPU_FEATURE_VIS2 (1 << 9)
266 #define CPU_FEATURE_FSMULD (1 << 10)
267 #define CPU_FEATURE_HYPV (1 << 11)
268 #define CPU_FEATURE_CMT (1 << 12)
269 #define CPU_FEATURE_GL (1 << 13)
270 #define CPU_FEATURE_TA0_SHUTDOWN (1 << 14) /* Shutdown on "ta 0x0" */
271 #define CPU_FEATURE_ASR17 (1 << 15)
272 #define CPU_FEATURE_CACHE_CTRL (1 << 16)
273 #define CPU_FEATURE_POWERDOWN (1 << 17)
274 #define CPU_FEATURE_CASA (1 << 18)
275
276 #ifndef TARGET_SPARC64
277 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \
278 CPU_FEATURE_MUL | CPU_FEATURE_DIV | \
279 CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \
280 CPU_FEATURE_FMUL | CPU_FEATURE_FSMULD)
281 #else
282 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \
283 CPU_FEATURE_MUL | CPU_FEATURE_DIV | \
284 CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \
285 CPU_FEATURE_FMUL | CPU_FEATURE_VIS1 | \
286 CPU_FEATURE_VIS2 | CPU_FEATURE_FSMULD | \
287 CPU_FEATURE_CASA)
288 enum {
289 mmu_us_12, // Ultrasparc < III (64 entry TLB)
290 mmu_us_3, // Ultrasparc III (512 entry TLB)
291 mmu_us_4, // Ultrasparc IV (several TLBs, 32 and 256MB pages)
292 mmu_sun4v, // T1, T2
293 };
294 #endif
295
296 #define TTE_VALID_BIT (1ULL << 63)
297 #define TTE_NFO_BIT (1ULL << 60)
298 #define TTE_USED_BIT (1ULL << 41)
299 #define TTE_LOCKED_BIT (1ULL << 6)
300 #define TTE_SIDEEFFECT_BIT (1ULL << 3)
301 #define TTE_PRIV_BIT (1ULL << 2)
302 #define TTE_W_OK_BIT (1ULL << 1)
303 #define TTE_GLOBAL_BIT (1ULL << 0)
304
305 #define TTE_IS_VALID(tte) ((tte) & TTE_VALID_BIT)
306 #define TTE_IS_NFO(tte) ((tte) & TTE_NFO_BIT)
307 #define TTE_IS_USED(tte) ((tte) & TTE_USED_BIT)
308 #define TTE_IS_LOCKED(tte) ((tte) & TTE_LOCKED_BIT)
309 #define TTE_IS_SIDEEFFECT(tte) ((tte) & TTE_SIDEEFFECT_BIT)
310 #define TTE_IS_PRIV(tte) ((tte) & TTE_PRIV_BIT)
311 #define TTE_IS_W_OK(tte) ((tte) & TTE_W_OK_BIT)
312 #define TTE_IS_GLOBAL(tte) ((tte) & TTE_GLOBAL_BIT)
313
314 #define TTE_SET_USED(tte) ((tte) |= TTE_USED_BIT)
315 #define TTE_SET_UNUSED(tte) ((tte) &= ~TTE_USED_BIT)
316
317 #define TTE_PGSIZE(tte) (((tte) >> 61) & 3ULL)
318 #define TTE_PA(tte) ((tte) & 0x1ffffffe000ULL)
319
320 #define SFSR_NF_BIT (1ULL << 24) /* JPS1 NoFault */
321 #define SFSR_TM_BIT (1ULL << 15) /* JPS1 TLB Miss */
322 #define SFSR_FT_VA_IMMU_BIT (1ULL << 13) /* USIIi VA out of range (IMMU) */
323 #define SFSR_FT_VA_DMMU_BIT (1ULL << 12) /* USIIi VA out of range (DMMU) */
324 #define SFSR_FT_NFO_BIT (1ULL << 11) /* NFO page access */
325 #define SFSR_FT_ILL_BIT (1ULL << 10) /* illegal LDA/STA ASI */
326 #define SFSR_FT_ATOMIC_BIT (1ULL << 9) /* atomic op on noncacheable area */
327 #define SFSR_FT_NF_E_BIT (1ULL << 8) /* NF access on side effect area */
328 #define SFSR_FT_PRIV_BIT (1ULL << 7) /* privilege violation */
329 #define SFSR_PR_BIT (1ULL << 3) /* privilege mode */
330 #define SFSR_WRITE_BIT (1ULL << 2) /* write access mode */
331 #define SFSR_OW_BIT (1ULL << 1) /* status overwritten */
332 #define SFSR_VALID_BIT (1ULL << 0) /* status valid */
333
334 #define SFSR_ASI_SHIFT 16 /* 23:16 ASI value */
335 #define SFSR_ASI_MASK (0xffULL << SFSR_ASI_SHIFT)
336 #define SFSR_CT_PRIMARY (0ULL << 4) /* 5:4 context type */
337 #define SFSR_CT_SECONDARY (1ULL << 4)
338 #define SFSR_CT_NUCLEUS (2ULL << 4)
339 #define SFSR_CT_NOTRANS (3ULL << 4)
340 #define SFSR_CT_MASK (3ULL << 4)
341
342 /* Leon3 cache control */
343
344 /* Cache control: emulate the behavior of cache control registers but without
345 any effect on the emulated */
346
347 #define CACHE_STATE_MASK 0x3
348 #define CACHE_DISABLED 0x0
349 #define CACHE_FROZEN 0x1
350 #define CACHE_ENABLED 0x3
351
352 /* Cache Control register fields */
353
354 #define CACHE_CTRL_IF (1 << 4) /* Instruction Cache Freeze on Interrupt */
355 #define CACHE_CTRL_DF (1 << 5) /* Data Cache Freeze on Interrupt */
356 #define CACHE_CTRL_DP (1 << 14) /* Data cache flush pending */
357 #define CACHE_CTRL_IP (1 << 15) /* Instruction cache flush pending */
358 #define CACHE_CTRL_IB (1 << 16) /* Instruction burst fetch */
359 #define CACHE_CTRL_FI (1 << 21) /* Flush Instruction cache (Write only) */
360 #define CACHE_CTRL_FD (1 << 22) /* Flush Data cache (Write only) */
361 #define CACHE_CTRL_DS (1 << 23) /* Data cache snoop enable */
362
363 typedef struct SparcTLBEntry {
364 uint64_t tag;
365 uint64_t tte;
366 } SparcTLBEntry;
367
368 struct CPUTimer
369 {
370 const char *name;
371 uint32_t frequency;
372 uint32_t disabled;
373 uint64_t disabled_mask;
374 int64_t clock_offset;
375 QEMUTimer *qtimer;
376 };
377
378 typedef struct CPUTimer CPUTimer;
379
380 struct QEMUFile;
381 void cpu_put_timer(struct QEMUFile *f, CPUTimer *s);
382 void cpu_get_timer(struct QEMUFile *f, CPUTimer *s);
383
384 typedef struct CPUSPARCState CPUSPARCState;
385
386 struct CPUSPARCState {
387 target_ulong gregs[8]; /* general registers */
388 target_ulong *regwptr; /* pointer to current register window */
389 target_ulong pc; /* program counter */
390 target_ulong npc; /* next program counter */
391 target_ulong y; /* multiply/divide register */
392
393 /* emulator internal flags handling */
394 target_ulong cc_src, cc_src2;
395 target_ulong cc_dst;
396 uint32_t cc_op;
397
398 target_ulong cond; /* conditional branch result (XXX: save it in a
399 temporary register when possible) */
400
401 uint32_t psr; /* processor state register */
402 target_ulong fsr; /* FPU state register */
403 CPU_DoubleU fpr[TARGET_DPREGS]; /* floating point registers */
404 uint32_t cwp; /* index of current register window (extracted
405 from PSR) */
406 #if !defined(TARGET_SPARC64) || defined(TARGET_ABI32)
407 uint32_t wim; /* window invalid mask */
408 #endif
409 target_ulong tbr; /* trap base register */
410 #if !defined(TARGET_SPARC64)
411 int psrs; /* supervisor mode (extracted from PSR) */
412 int psrps; /* previous supervisor mode */
413 int psret; /* enable traps */
414 #endif
415 uint32_t psrpil; /* interrupt blocking level */
416 uint32_t pil_in; /* incoming interrupt level bitmap */
417 #if !defined(TARGET_SPARC64)
418 int psref; /* enable fpu */
419 #endif
420 int interrupt_index;
421 /* NOTE: we allow 8 more registers to handle wrapping */
422 target_ulong regbase[MAX_NWINDOWS * 16 + 8];
423
424 CPU_COMMON
425
426 /* Fields from here on are preserved across CPU reset. */
427 target_ulong version;
428 uint32_t nwindows;
429
430 /* MMU regs */
431 #if defined(TARGET_SPARC64)
432 uint64_t lsu;
433 #define DMMU_E 0x8
434 #define IMMU_E 0x4
435 //typedef struct SparcMMU
436 union {
437 uint64_t immuregs[16];
438 struct {
439 uint64_t tsb_tag_target;
440 uint64_t unused_mmu_primary_context; // use DMMU
441 uint64_t unused_mmu_secondary_context; // use DMMU
442 uint64_t sfsr;
443 uint64_t sfar;
444 uint64_t tsb;
445 uint64_t tag_access;
446 } immu;
447 };
448 union {
449 uint64_t dmmuregs[16];
450 struct {
451 uint64_t tsb_tag_target;
452 uint64_t mmu_primary_context;
453 uint64_t mmu_secondary_context;
454 uint64_t sfsr;
455 uint64_t sfar;
456 uint64_t tsb;
457 uint64_t tag_access;
458 } dmmu;
459 };
460 SparcTLBEntry itlb[64];
461 SparcTLBEntry dtlb[64];
462 uint32_t mmu_version;
463 #else
464 uint32_t mmuregs[32];
465 uint64_t mxccdata[4];
466 uint64_t mxccregs[8];
467 uint32_t mmubpctrv, mmubpctrc, mmubpctrs;
468 uint64_t mmubpaction;
469 uint64_t mmubpregs[4];
470 uint64_t prom_addr;
471 #endif
472 /* temporary float registers */
473 float128 qt0, qt1;
474 float_status fp_status;
475 #if defined(TARGET_SPARC64)
476 #define MAXTL_MAX 8
477 #define MAXTL_MASK (MAXTL_MAX - 1)
478 trap_state ts[MAXTL_MAX];
479 uint32_t xcc; /* Extended integer condition codes */
480 uint32_t asi;
481 uint32_t pstate;
482 uint32_t tl;
483 uint32_t maxtl;
484 uint32_t cansave, canrestore, otherwin, wstate, cleanwin;
485 uint64_t agregs[8]; /* alternate general registers */
486 uint64_t bgregs[8]; /* backup for normal global registers */
487 uint64_t igregs[8]; /* interrupt general registers */
488 uint64_t mgregs[8]; /* mmu general registers */
489 uint64_t fprs;
490 uint64_t tick_cmpr, stick_cmpr;
491 CPUTimer *tick, *stick;
492 #define TICK_NPT_MASK 0x8000000000000000ULL
493 #define TICK_INT_DIS 0x8000000000000000ULL
494 uint64_t gsr;
495 uint32_t gl; // UA2005
496 /* UA 2005 hyperprivileged registers */
497 uint64_t hpstate, htstate[MAXTL_MAX], hintp, htba, hver, hstick_cmpr, ssr;
498 CPUTimer *hstick; // UA 2005
499 /* Interrupt vector registers */
500 uint64_t ivec_status;
501 uint64_t ivec_data[3];
502 uint32_t softint;
503 #define SOFTINT_TIMER 1
504 #define SOFTINT_STIMER (1 << 16)
505 #define SOFTINT_INTRMASK (0xFFFE)
506 #define SOFTINT_REG_MASK (SOFTINT_STIMER|SOFTINT_INTRMASK|SOFTINT_TIMER)
507 #endif
508 sparc_def_t *def;
509
510 void *irq_manager;
511 void (*qemu_irq_ack)(CPUSPARCState *env, void *irq_manager, int intno);
512
513 /* Leon3 cache control */
514 uint32_t cache_control;
515 };
516
517 #include "cpu-qom.h"
518
519 #ifndef NO_CPU_IO_DEFS
520 /* cpu_init.c */
521 SPARCCPU *cpu_sparc_init(const char *cpu_model);
522 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
523 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf);
524 /* mmu_helper.c */
525 int sparc_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw,
526 int mmu_idx);
527 target_ulong mmu_probe(CPUSPARCState *env, target_ulong address, int mmulev);
528 void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env);
529
530 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
531 int sparc_cpu_memory_rw_debug(CPUState *cpu, vaddr addr,
532 uint8_t *buf, int len, bool is_write);
533 #endif
534
535
536 /* translate.c */
537 void gen_intermediate_code_init(CPUSPARCState *env);
538
539 /* cpu-exec.c */
540 int cpu_sparc_exec(CPUSPARCState *s);
541
542 /* win_helper.c */
543 target_ulong cpu_get_psr(CPUSPARCState *env1);
544 void cpu_put_psr(CPUSPARCState *env1, target_ulong val);
545 #ifdef TARGET_SPARC64
546 target_ulong cpu_get_ccr(CPUSPARCState *env1);
547 void cpu_put_ccr(CPUSPARCState *env1, target_ulong val);
548 target_ulong cpu_get_cwp64(CPUSPARCState *env1);
549 void cpu_put_cwp64(CPUSPARCState *env1, int cwp);
550 void cpu_change_pstate(CPUSPARCState *env1, uint32_t new_pstate);
551 #endif
552 int cpu_cwp_inc(CPUSPARCState *env1, int cwp);
553 int cpu_cwp_dec(CPUSPARCState *env1, int cwp);
554 void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
555
556 /* int_helper.c */
557 void leon3_irq_manager(CPUSPARCState *env, void *irq_manager, int intno);
558
559 /* sun4m.c, sun4u.c */
560 void cpu_check_irqs(CPUSPARCState *env);
561
562 /* leon3.c */
563 void leon3_irq_ack(void *irq_manager, int intno);
564
565 #if defined (TARGET_SPARC64)
566
567 static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask)
568 {
569 return (x & mask) == (y & mask);
570 }
571
572 #define MMU_CONTEXT_BITS 13
573 #define MMU_CONTEXT_MASK ((1 << MMU_CONTEXT_BITS) - 1)
574
575 static inline int tlb_compare_context(const SparcTLBEntry *tlb,
576 uint64_t context)
577 {
578 return compare_masked(context, tlb->tag, MMU_CONTEXT_MASK);
579 }
580
581 #endif
582 #endif
583
584 /* cpu-exec.c */
585 #if !defined(CONFIG_USER_ONLY)
586 void sparc_cpu_unassigned_access(CPUState *cpu, hwaddr addr,
587 bool is_write, bool is_exec, int is_asi,
588 unsigned size);
589 #if defined(TARGET_SPARC64)
590 hwaddr cpu_get_phys_page_nofault(CPUSPARCState *env, target_ulong addr,
591 int mmu_idx);
592 #endif
593 #endif
594 int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
595
596 #ifndef NO_CPU_IO_DEFS
597 static inline CPUSPARCState *cpu_init(const char *cpu_model)
598 {
599 SPARCCPU *cpu = cpu_sparc_init(cpu_model);
600 if (cpu == NULL) {
601 return NULL;
602 }
603 return &cpu->env;
604 }
605 #endif
606
607 #define cpu_exec cpu_sparc_exec
608 #define cpu_gen_code cpu_sparc_gen_code
609 #define cpu_signal_handler cpu_sparc_signal_handler
610 #define cpu_list sparc_cpu_list
611
612 #define CPU_SAVE_VERSION 7
613
614 /* MMU modes definitions */
615 #if defined (TARGET_SPARC64)
616 #define MMU_USER_IDX 0
617 #define MMU_MODE0_SUFFIX _user
618 #define MMU_USER_SECONDARY_IDX 1
619 #define MMU_MODE1_SUFFIX _user_secondary
620 #define MMU_KERNEL_IDX 2
621 #define MMU_MODE2_SUFFIX _kernel
622 #define MMU_KERNEL_SECONDARY_IDX 3
623 #define MMU_MODE3_SUFFIX _kernel_secondary
624 #define MMU_NUCLEUS_IDX 4
625 #define MMU_MODE4_SUFFIX _nucleus
626 #define MMU_HYPV_IDX 5
627 #define MMU_MODE5_SUFFIX _hypv
628 #else
629 #define MMU_USER_IDX 0
630 #define MMU_MODE0_SUFFIX _user
631 #define MMU_KERNEL_IDX 1
632 #define MMU_MODE1_SUFFIX _kernel
633 #endif
634
635 #if defined (TARGET_SPARC64)
636 static inline int cpu_has_hypervisor(CPUSPARCState *env1)
637 {
638 return env1->def->features & CPU_FEATURE_HYPV;
639 }
640
641 static inline int cpu_hypervisor_mode(CPUSPARCState *env1)
642 {
643 return cpu_has_hypervisor(env1) && (env1->hpstate & HS_PRIV);
644 }
645
646 static inline int cpu_supervisor_mode(CPUSPARCState *env1)
647 {
648 return env1->pstate & PS_PRIV;
649 }
650 #endif
651
652 static inline int cpu_mmu_index(CPUSPARCState *env1)
653 {
654 #if defined(CONFIG_USER_ONLY)
655 return MMU_USER_IDX;
656 #elif !defined(TARGET_SPARC64)
657 return env1->psrs;
658 #else
659 if (env1->tl > 0) {
660 return MMU_NUCLEUS_IDX;
661 } else if (cpu_hypervisor_mode(env1)) {
662 return MMU_HYPV_IDX;
663 } else if (cpu_supervisor_mode(env1)) {
664 return MMU_KERNEL_IDX;
665 } else {
666 return MMU_USER_IDX;
667 }
668 #endif
669 }
670
671 static inline int cpu_interrupts_enabled(CPUSPARCState *env1)
672 {
673 #if !defined (TARGET_SPARC64)
674 if (env1->psret != 0)
675 return 1;
676 #else
677 if (env1->pstate & PS_IE)
678 return 1;
679 #endif
680
681 return 0;
682 }
683
684 static inline int cpu_pil_allowed(CPUSPARCState *env1, int pil)
685 {
686 #if !defined(TARGET_SPARC64)
687 /* level 15 is non-maskable on sparc v8 */
688 return pil == 15 || pil > env1->psrpil;
689 #else
690 return pil > env1->psrpil;
691 #endif
692 }
693
694 #include "exec/cpu-all.h"
695
696 #ifdef TARGET_SPARC64
697 /* sun4u.c */
698 void cpu_tick_set_count(CPUTimer *timer, uint64_t count);
699 uint64_t cpu_tick_get_count(CPUTimer *timer);
700 void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit);
701 trap_state* cpu_tsptr(CPUSPARCState* env);
702 #endif
703
704 #define TB_FLAG_FPU_ENABLED (1 << 4)
705 #define TB_FLAG_AM_ENABLED (1 << 5)
706
707 static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, target_ulong *pc,
708 target_ulong *cs_base, int *flags)
709 {
710 *pc = env->pc;
711 *cs_base = env->npc;
712 #ifdef TARGET_SPARC64
713 // AM . Combined FPU enable bits . PRIV . DMMU enabled . IMMU enabled
714 *flags = (env->pstate & PS_PRIV) /* 2 */
715 | ((env->lsu & (DMMU_E | IMMU_E)) >> 2) /* 1, 0 */
716 | ((env->tl & 0xff) << 8)
717 | (env->dmmu.mmu_primary_context << 16); /* 16... */
718 if (env->pstate & PS_AM) {
719 *flags |= TB_FLAG_AM_ENABLED;
720 }
721 if ((env->def->features & CPU_FEATURE_FLOAT) && (env->pstate & PS_PEF)
722 && (env->fprs & FPRS_FEF)) {
723 *flags |= TB_FLAG_FPU_ENABLED;
724 }
725 #else
726 // FPU enable . Supervisor
727 *flags = env->psrs;
728 if ((env->def->features & CPU_FEATURE_FLOAT) && env->psref) {
729 *flags |= TB_FLAG_FPU_ENABLED;
730 }
731 #endif
732 }
733
734 static inline bool tb_fpu_enabled(int tb_flags)
735 {
736 #if defined(CONFIG_USER_ONLY)
737 return true;
738 #else
739 return tb_flags & TB_FLAG_FPU_ENABLED;
740 #endif
741 }
742
743 static inline bool tb_am_enabled(int tb_flags)
744 {
745 #ifndef TARGET_SPARC64
746 return false;
747 #else
748 return tb_flags & TB_FLAG_AM_ENABLED;
749 #endif
750 }
751
752 #include "exec/exec-all.h"
753
754 #endif