4 #include "qemu-common.h"
5 #include "qemu/bswap.h"
7 #include "exec/cpu-defs.h"
11 #if !defined(TARGET_SPARC64)
12 #define TARGET_DPREGS 16
14 #define TARGET_DPREGS 32
17 /*#define EXCP_INTERRUPT 0x100*/
19 /* trap definitions */
20 #ifndef TARGET_SPARC64
21 #define TT_TFAULT 0x01
22 #define TT_ILL_INSN 0x02
23 #define TT_PRIV_INSN 0x03
24 #define TT_NFPU_INSN 0x04
25 #define TT_WIN_OVF 0x05
26 #define TT_WIN_UNF 0x06
27 #define TT_UNALIGNED 0x07
28 #define TT_FP_EXCP 0x08
29 #define TT_DFAULT 0x09
31 #define TT_EXTINT 0x10
32 #define TT_CODE_ACCESS 0x21
33 #define TT_UNIMP_FLUSH 0x25
34 #define TT_DATA_ACCESS 0x29
35 #define TT_DIV_ZERO 0x2a
36 #define TT_NCP_INSN 0x24
39 #define TT_POWER_ON_RESET 0x01
40 #define TT_TFAULT 0x08
41 #define TT_CODE_ACCESS 0x0a
42 #define TT_ILL_INSN 0x10
43 #define TT_UNIMP_FLUSH TT_ILL_INSN
44 #define TT_PRIV_INSN 0x11
45 #define TT_NFPU_INSN 0x20
46 #define TT_FP_EXCP 0x21
48 #define TT_CLRWIN 0x24
49 #define TT_DIV_ZERO 0x28
50 #define TT_DFAULT 0x30
51 #define TT_DATA_ACCESS 0x32
52 #define TT_UNALIGNED 0x34
53 #define TT_PRIV_ACT 0x37
54 #define TT_INSN_REAL_TRANSLATION_MISS 0x3e
55 #define TT_DATA_REAL_TRANSLATION_MISS 0x3f
56 #define TT_EXTINT 0x40
63 #define TT_WOTHER (1 << 5)
65 #define TT_HTRAP 0x180
68 #define PSR_NEG_SHIFT 23
69 #define PSR_NEG (1 << PSR_NEG_SHIFT)
70 #define PSR_ZERO_SHIFT 22
71 #define PSR_ZERO (1 << PSR_ZERO_SHIFT)
72 #define PSR_OVF_SHIFT 21
73 #define PSR_OVF (1 << PSR_OVF_SHIFT)
74 #define PSR_CARRY_SHIFT 20
75 #define PSR_CARRY (1 << PSR_CARRY_SHIFT)
76 #define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY)
77 #if !defined(TARGET_SPARC64)
78 #define PSR_EF (1<<12)
86 #define CC_SRC (env->cc_src)
87 #define CC_SRC2 (env->cc_src2)
88 #define CC_DST (env->cc_dst)
89 #define CC_OP (env->cc_op)
91 /* Even though lazy evaluation of CPU condition codes tends to be less
92 * important on RISC systems where condition codes are only updated
93 * when explicitly requested, SPARC uses it to update 32-bit and 64-bit
97 CC_OP_DYNAMIC
, /* must use dynamic code to get cc_op */
98 CC_OP_FLAGS
, /* all cc are back in status register */
99 CC_OP_DIV
, /* modify N, Z and V, C = 0*/
100 CC_OP_ADD
, /* modify all flags, CC_DST = res, CC_SRC = src1 */
101 CC_OP_ADDX
, /* modify all flags, CC_DST = res, CC_SRC = src1 */
102 CC_OP_TADD
, /* modify all flags, CC_DST = res, CC_SRC = src1 */
103 CC_OP_TADDTV
, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
104 CC_OP_SUB
, /* modify all flags, CC_DST = res, CC_SRC = src1 */
105 CC_OP_SUBX
, /* modify all flags, CC_DST = res, CC_SRC = src1 */
106 CC_OP_TSUB
, /* modify all flags, CC_DST = res, CC_SRC = src1 */
107 CC_OP_TSUBTV
, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
108 CC_OP_LOGIC
, /* modify N and Z, C = V = 0, CC_DST = res */
112 /* Trap base register */
113 #define TBR_BASE_MASK 0xfffff000
115 #if defined(TARGET_SPARC64)
116 #define PS_TCT (1<<12) /* UA2007, impl.dep. trap on control transfer */
117 #define PS_IG (1<<11) /* v9, zero on UA2007 */
118 #define PS_MG (1<<10) /* v9, zero on UA2007 */
119 #define PS_CLE (1<<9) /* UA2007 */
120 #define PS_TLE (1<<8) /* UA2007 */
121 #define PS_RMO (1<<7)
122 #define PS_RED (1<<5) /* v9, zero on UA2007 */
123 #define PS_PEF (1<<4) /* enable fpu */
124 #define PS_AM (1<<3) /* address mask */
125 #define PS_PRIV (1<<2)
127 #define PS_AG (1<<0) /* v9, zero on UA2007 */
129 #define FPRS_FEF (1<<2)
131 #define HS_PRIV (1<<2)
135 #define FSR_RD1 (1ULL << 31)
136 #define FSR_RD0 (1ULL << 30)
137 #define FSR_RD_MASK (FSR_RD1 | FSR_RD0)
138 #define FSR_RD_NEAREST 0
139 #define FSR_RD_ZERO FSR_RD0
140 #define FSR_RD_POS FSR_RD1
141 #define FSR_RD_NEG (FSR_RD1 | FSR_RD0)
143 #define FSR_NVM (1ULL << 27)
144 #define FSR_OFM (1ULL << 26)
145 #define FSR_UFM (1ULL << 25)
146 #define FSR_DZM (1ULL << 24)
147 #define FSR_NXM (1ULL << 23)
148 #define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM)
150 #define FSR_NVA (1ULL << 9)
151 #define FSR_OFA (1ULL << 8)
152 #define FSR_UFA (1ULL << 7)
153 #define FSR_DZA (1ULL << 6)
154 #define FSR_NXA (1ULL << 5)
155 #define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
157 #define FSR_NVC (1ULL << 4)
158 #define FSR_OFC (1ULL << 3)
159 #define FSR_UFC (1ULL << 2)
160 #define FSR_DZC (1ULL << 1)
161 #define FSR_NXC (1ULL << 0)
162 #define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC)
164 #define FSR_FTT2 (1ULL << 16)
165 #define FSR_FTT1 (1ULL << 15)
166 #define FSR_FTT0 (1ULL << 14)
167 //gcc warns about constant overflow for ~FSR_FTT_MASK
168 //#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0)
169 #ifdef TARGET_SPARC64
170 #define FSR_FTT_NMASK 0xfffffffffffe3fffULL
171 #define FSR_FTT_CEXC_NMASK 0xfffffffffffe3fe0ULL
172 #define FSR_LDFSR_OLDMASK 0x0000003f000fc000ULL
173 #define FSR_LDXFSR_MASK 0x0000003fcfc00fffULL
174 #define FSR_LDXFSR_OLDMASK 0x00000000000fc000ULL
176 #define FSR_FTT_NMASK 0xfffe3fffULL
177 #define FSR_FTT_CEXC_NMASK 0xfffe3fe0ULL
178 #define FSR_LDFSR_OLDMASK 0x000fc000ULL
180 #define FSR_LDFSR_MASK 0xcfc00fffULL
181 #define FSR_FTT_IEEE_EXCP (1ULL << 14)
182 #define FSR_FTT_UNIMPFPOP (3ULL << 14)
183 #define FSR_FTT_SEQ_ERROR (4ULL << 14)
184 #define FSR_FTT_INVAL_FPR (6ULL << 14)
186 #define FSR_FCC1_SHIFT 11
187 #define FSR_FCC1 (1ULL << FSR_FCC1_SHIFT)
188 #define FSR_FCC0_SHIFT 10
189 #define FSR_FCC0 (1ULL << FSR_FCC0_SHIFT)
193 #define MMU_NF (1<<1)
195 #define PTE_ENTRYTYPE_MASK 3
196 #define PTE_ACCESS_MASK 0x1c
197 #define PTE_ACCESS_SHIFT 2
198 #define PTE_PPN_SHIFT 7
199 #define PTE_ADDR_MASK 0xffffff00
201 #define PG_ACCESSED_BIT 5
202 #define PG_MODIFIED_BIT 6
203 #define PG_CACHE_BIT 7
205 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
206 #define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT)
207 #define PG_CACHE_MASK (1 << PG_CACHE_BIT)
209 /* 3 <= NWINDOWS <= 32. */
210 #define MIN_NWINDOWS 3
211 #define MAX_NWINDOWS 32
213 #ifdef TARGET_SPARC64
214 typedef struct trap_state
{
221 #define TARGET_INSN_START_EXTRA_WORDS 1
225 target_ulong iu_version
;
226 uint32_t fpu_version
;
227 uint32_t mmu_version
;
229 uint32_t mmu_ctpr_mask
;
230 uint32_t mmu_cxr_mask
;
231 uint32_t mmu_sfsr_mask
;
232 uint32_t mmu_trcr_mask
;
233 uint32_t mxcc_version
;
239 #define CPU_FEATURE_FLOAT (1 << 0)
240 #define CPU_FEATURE_FLOAT128 (1 << 1)
241 #define CPU_FEATURE_SWAP (1 << 2)
242 #define CPU_FEATURE_MUL (1 << 3)
243 #define CPU_FEATURE_DIV (1 << 4)
244 #define CPU_FEATURE_FLUSH (1 << 5)
245 #define CPU_FEATURE_FSQRT (1 << 6)
246 #define CPU_FEATURE_FMUL (1 << 7)
247 #define CPU_FEATURE_VIS1 (1 << 8)
248 #define CPU_FEATURE_VIS2 (1 << 9)
249 #define CPU_FEATURE_FSMULD (1 << 10)
250 #define CPU_FEATURE_HYPV (1 << 11)
251 #define CPU_FEATURE_CMT (1 << 12)
252 #define CPU_FEATURE_GL (1 << 13)
253 #define CPU_FEATURE_TA0_SHUTDOWN (1 << 14) /* Shutdown on "ta 0x0" */
254 #define CPU_FEATURE_ASR17 (1 << 15)
255 #define CPU_FEATURE_CACHE_CTRL (1 << 16)
256 #define CPU_FEATURE_POWERDOWN (1 << 17)
257 #define CPU_FEATURE_CASA (1 << 18)
259 #ifndef TARGET_SPARC64
260 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \
261 CPU_FEATURE_MUL | CPU_FEATURE_DIV | \
262 CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \
263 CPU_FEATURE_FMUL | CPU_FEATURE_FSMULD)
265 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \
266 CPU_FEATURE_MUL | CPU_FEATURE_DIV | \
267 CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \
268 CPU_FEATURE_FMUL | CPU_FEATURE_VIS1 | \
269 CPU_FEATURE_VIS2 | CPU_FEATURE_FSMULD | \
272 mmu_us_12
, // Ultrasparc < III (64 entry TLB)
273 mmu_us_3
, // Ultrasparc III (512 entry TLB)
274 mmu_us_4
, // Ultrasparc IV (several TLBs, 32 and 256MB pages)
279 #define TTE_VALID_BIT (1ULL << 63)
280 #define TTE_NFO_BIT (1ULL << 60)
281 #define TTE_USED_BIT (1ULL << 41)
282 #define TTE_LOCKED_BIT (1ULL << 6)
283 #define TTE_SIDEEFFECT_BIT (1ULL << 3)
284 #define TTE_PRIV_BIT (1ULL << 2)
285 #define TTE_W_OK_BIT (1ULL << 1)
286 #define TTE_GLOBAL_BIT (1ULL << 0)
288 #define TTE_NFO_BIT_UA2005 (1ULL << 62)
289 #define TTE_USED_BIT_UA2005 (1ULL << 47)
290 #define TTE_LOCKED_BIT_UA2005 (1ULL << 61)
291 #define TTE_SIDEEFFECT_BIT_UA2005 (1ULL << 11)
292 #define TTE_PRIV_BIT_UA2005 (1ULL << 8)
293 #define TTE_W_OK_BIT_UA2005 (1ULL << 6)
295 #define TTE_IS_VALID(tte) ((tte) & TTE_VALID_BIT)
296 #define TTE_IS_NFO(tte) ((tte) & TTE_NFO_BIT)
297 #define TTE_IS_USED(tte) ((tte) & TTE_USED_BIT)
298 #define TTE_IS_LOCKED(tte) ((tte) & TTE_LOCKED_BIT)
299 #define TTE_IS_SIDEEFFECT(tte) ((tte) & TTE_SIDEEFFECT_BIT)
300 #define TTE_IS_SIDEEFFECT_UA2005(tte) ((tte) & TTE_SIDEEFFECT_BIT_UA2005)
301 #define TTE_IS_PRIV(tte) ((tte) & TTE_PRIV_BIT)
302 #define TTE_IS_W_OK(tte) ((tte) & TTE_W_OK_BIT)
304 #define TTE_IS_NFO_UA2005(tte) ((tte) & TTE_NFO_BIT_UA2005)
305 #define TTE_IS_USED_UA2005(tte) ((tte) & TTE_USED_BIT_UA2005)
306 #define TTE_IS_LOCKED_UA2005(tte) ((tte) & TTE_LOCKED_BIT_UA2005)
307 #define TTE_IS_SIDEEFFECT_UA2005(tte) ((tte) & TTE_SIDEEFFECT_BIT_UA2005)
308 #define TTE_IS_PRIV_UA2005(tte) ((tte) & TTE_PRIV_BIT_UA2005)
309 #define TTE_IS_W_OK_UA2005(tte) ((tte) & TTE_W_OK_BIT_UA2005)
311 #define TTE_IS_GLOBAL(tte) ((tte) & TTE_GLOBAL_BIT)
313 #define TTE_SET_USED(tte) ((tte) |= TTE_USED_BIT)
314 #define TTE_SET_UNUSED(tte) ((tte) &= ~TTE_USED_BIT)
316 #define TTE_PGSIZE(tte) (((tte) >> 61) & 3ULL)
317 #define TTE_PGSIZE_UA2005(tte) ((tte) & 7ULL)
318 #define TTE_PA(tte) ((tte) & 0x1ffffffe000ULL)
320 /* UltraSPARC T1 specific */
321 #define TLB_UST1_IS_REAL_BIT (1ULL << 9) /* Real translation entry */
322 #define TLB_UST1_IS_SUN4V_BIT (1ULL << 10) /* sun4u/sun4v TTE format switch */
324 #define SFSR_NF_BIT (1ULL << 24) /* JPS1 NoFault */
325 #define SFSR_TM_BIT (1ULL << 15) /* JPS1 TLB Miss */
326 #define SFSR_FT_VA_IMMU_BIT (1ULL << 13) /* USIIi VA out of range (IMMU) */
327 #define SFSR_FT_VA_DMMU_BIT (1ULL << 12) /* USIIi VA out of range (DMMU) */
328 #define SFSR_FT_NFO_BIT (1ULL << 11) /* NFO page access */
329 #define SFSR_FT_ILL_BIT (1ULL << 10) /* illegal LDA/STA ASI */
330 #define SFSR_FT_ATOMIC_BIT (1ULL << 9) /* atomic op on noncacheable area */
331 #define SFSR_FT_NF_E_BIT (1ULL << 8) /* NF access on side effect area */
332 #define SFSR_FT_PRIV_BIT (1ULL << 7) /* privilege violation */
333 #define SFSR_PR_BIT (1ULL << 3) /* privilege mode */
334 #define SFSR_WRITE_BIT (1ULL << 2) /* write access mode */
335 #define SFSR_OW_BIT (1ULL << 1) /* status overwritten */
336 #define SFSR_VALID_BIT (1ULL << 0) /* status valid */
338 #define SFSR_ASI_SHIFT 16 /* 23:16 ASI value */
339 #define SFSR_ASI_MASK (0xffULL << SFSR_ASI_SHIFT)
340 #define SFSR_CT_PRIMARY (0ULL << 4) /* 5:4 context type */
341 #define SFSR_CT_SECONDARY (1ULL << 4)
342 #define SFSR_CT_NUCLEUS (2ULL << 4)
343 #define SFSR_CT_NOTRANS (3ULL << 4)
344 #define SFSR_CT_MASK (3ULL << 4)
346 /* Leon3 cache control */
348 /* Cache control: emulate the behavior of cache control registers but without
349 any effect on the emulated */
351 #define CACHE_STATE_MASK 0x3
352 #define CACHE_DISABLED 0x0
353 #define CACHE_FROZEN 0x1
354 #define CACHE_ENABLED 0x3
356 /* Cache Control register fields */
358 #define CACHE_CTRL_IF (1 << 4) /* Instruction Cache Freeze on Interrupt */
359 #define CACHE_CTRL_DF (1 << 5) /* Data Cache Freeze on Interrupt */
360 #define CACHE_CTRL_DP (1 << 14) /* Data cache flush pending */
361 #define CACHE_CTRL_IP (1 << 15) /* Instruction cache flush pending */
362 #define CACHE_CTRL_IB (1 << 16) /* Instruction burst fetch */
363 #define CACHE_CTRL_FI (1 << 21) /* Flush Instruction cache (Write only) */
364 #define CACHE_CTRL_FD (1 << 22) /* Flush Data cache (Write only) */
365 #define CACHE_CTRL_DS (1 << 23) /* Data cache snoop enable */
367 #define CONVERT_BIT(X, SRC, DST) \
368 (SRC > DST ? (X) / (SRC / DST) & (DST) : ((X) & SRC) * (DST / SRC))
370 typedef struct SparcTLBEntry
{
380 uint64_t disabled_mask
;
383 int64_t clock_offset
;
387 typedef struct CPUTimer CPUTimer
;
389 typedef struct CPUSPARCState CPUSPARCState
;
390 #if defined(TARGET_SPARC64)
392 uint64_t mmuregs
[16];
394 uint64_t tsb_tag_target
;
395 uint64_t mmu_primary_context
;
396 uint64_t mmu_secondary_context
;
401 uint64_t virtual_watchpoint
;
402 uint64_t physical_watchpoint
;
403 uint64_t sun4v_ctx_config
[2];
404 uint64_t sun4v_tsb_pointers
[4];
408 struct CPUSPARCState
{
409 target_ulong gregs
[8]; /* general registers */
410 target_ulong
*regwptr
; /* pointer to current register window */
411 target_ulong pc
; /* program counter */
412 target_ulong npc
; /* next program counter */
413 target_ulong y
; /* multiply/divide register */
415 /* emulator internal flags handling */
416 target_ulong cc_src
, cc_src2
;
420 target_ulong cond
; /* conditional branch result (XXX: save it in a
421 temporary register when possible) */
423 uint32_t psr
; /* processor state register */
424 target_ulong fsr
; /* FPU state register */
425 CPU_DoubleU fpr
[TARGET_DPREGS
]; /* floating point registers */
426 uint32_t cwp
; /* index of current register window (extracted
428 #if !defined(TARGET_SPARC64) || defined(TARGET_ABI32)
429 uint32_t wim
; /* window invalid mask */
431 target_ulong tbr
; /* trap base register */
432 #if !defined(TARGET_SPARC64)
433 int psrs
; /* supervisor mode (extracted from PSR) */
434 int psrps
; /* previous supervisor mode */
435 int psret
; /* enable traps */
437 uint32_t psrpil
; /* interrupt blocking level */
438 uint32_t pil_in
; /* incoming interrupt level bitmap */
439 #if !defined(TARGET_SPARC64)
440 int psref
; /* enable fpu */
443 /* NOTE: we allow 8 more registers to handle wrapping */
444 target_ulong regbase
[MAX_NWINDOWS
* 16 + 8];
446 /* Fields up to this point are cleared by a CPU reset */
447 struct {} end_reset_fields
;
451 /* Fields from here on are preserved across CPU reset. */
452 target_ulong version
;
456 #if defined(TARGET_SPARC64)
462 SparcTLBEntry itlb
[64];
463 SparcTLBEntry dtlb
[64];
464 uint32_t mmu_version
;
466 uint32_t mmuregs
[32];
467 uint64_t mxccdata
[4];
468 uint64_t mxccregs
[8];
469 uint32_t mmubpctrv
, mmubpctrc
, mmubpctrs
;
470 uint64_t mmubpaction
;
471 uint64_t mmubpregs
[4];
474 /* temporary float registers */
476 float_status fp_status
;
477 #if defined(TARGET_SPARC64)
479 #define MAXTL_MASK (MAXTL_MAX - 1)
480 trap_state ts
[MAXTL_MAX
];
481 uint32_t xcc
; /* Extended integer condition codes */
486 uint32_t cansave
, canrestore
, otherwin
, wstate
, cleanwin
;
487 uint64_t agregs
[8]; /* alternate general registers */
488 uint64_t bgregs
[8]; /* backup for normal global registers */
489 uint64_t igregs
[8]; /* interrupt general registers */
490 uint64_t mgregs
[8]; /* mmu general registers */
491 uint64_t glregs
[8 * MAXTL_MAX
];
493 uint64_t tick_cmpr
, stick_cmpr
;
494 CPUTimer
*tick
, *stick
;
495 #define TICK_NPT_MASK 0x8000000000000000ULL
496 #define TICK_INT_DIS 0x8000000000000000ULL
498 uint32_t gl
; // UA2005
499 /* UA 2005 hyperprivileged registers */
500 uint64_t hpstate
, htstate
[MAXTL_MAX
], hintp
, htba
, hver
, hstick_cmpr
, ssr
;
502 CPUTimer
*hstick
; // UA 2005
503 /* Interrupt vector registers */
504 uint64_t ivec_status
;
505 uint64_t ivec_data
[3];
507 #define SOFTINT_TIMER 1
508 #define SOFTINT_STIMER (1 << 16)
509 #define SOFTINT_INTRMASK (0xFFFE)
510 #define SOFTINT_REG_MASK (SOFTINT_STIMER|SOFTINT_INTRMASK|SOFTINT_TIMER)
515 void (*qemu_irq_ack
)(CPUSPARCState
*env
, void *irq_manager
, int intno
);
517 /* Leon3 cache control */
518 uint32_t cache_control
;
523 * @env: #CPUSPARCState
535 static inline SPARCCPU
*sparc_env_get_cpu(CPUSPARCState
*env
)
537 return container_of(env
, SPARCCPU
, env
);
540 #define ENV_GET_CPU(e) CPU(sparc_env_get_cpu(e))
542 #define ENV_OFFSET offsetof(SPARCCPU, env)
544 #ifndef CONFIG_USER_ONLY
545 extern const struct VMStateDescription vmstate_sparc_cpu
;
548 void sparc_cpu_do_interrupt(CPUState
*cpu
);
549 void sparc_cpu_dump_state(CPUState
*cpu
, FILE *f
, int flags
);
550 hwaddr
sparc_cpu_get_phys_page_debug(CPUState
*cpu
, vaddr addr
);
551 int sparc_cpu_gdb_read_register(CPUState
*cpu
, uint8_t *buf
, int reg
);
552 int sparc_cpu_gdb_write_register(CPUState
*cpu
, uint8_t *buf
, int reg
);
553 void QEMU_NORETURN
sparc_cpu_do_unaligned_access(CPUState
*cpu
, vaddr addr
,
554 MMUAccessType access_type
,
557 void cpu_raise_exception_ra(CPUSPARCState
*, int, uintptr_t) QEMU_NORETURN
;
559 #ifndef NO_CPU_IO_DEFS
561 void cpu_sparc_set_id(CPUSPARCState
*env
, unsigned int cpu
);
562 void sparc_cpu_list(void);
564 bool sparc_cpu_tlb_fill(CPUState
*cs
, vaddr address
, int size
,
565 MMUAccessType access_type
, int mmu_idx
,
566 bool probe
, uintptr_t retaddr
);
567 target_ulong
mmu_probe(CPUSPARCState
*env
, target_ulong address
, int mmulev
);
568 void dump_mmu(CPUSPARCState
*env
);
570 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
571 int sparc_cpu_memory_rw_debug(CPUState
*cpu
, vaddr addr
,
572 uint8_t *buf
, int len
, bool is_write
);
577 void sparc_tcg_init(void);
582 target_ulong
cpu_get_psr(CPUSPARCState
*env1
);
583 void cpu_put_psr(CPUSPARCState
*env1
, target_ulong val
);
584 void cpu_put_psr_raw(CPUSPARCState
*env1
, target_ulong val
);
585 #ifdef TARGET_SPARC64
586 target_ulong
cpu_get_ccr(CPUSPARCState
*env1
);
587 void cpu_put_ccr(CPUSPARCState
*env1
, target_ulong val
);
588 target_ulong
cpu_get_cwp64(CPUSPARCState
*env1
);
589 void cpu_put_cwp64(CPUSPARCState
*env1
, int cwp
);
590 void cpu_change_pstate(CPUSPARCState
*env1
, uint32_t new_pstate
);
591 void cpu_gl_switch_gregs(CPUSPARCState
*env
, uint32_t new_gl
);
593 int cpu_cwp_inc(CPUSPARCState
*env1
, int cwp
);
594 int cpu_cwp_dec(CPUSPARCState
*env1
, int cwp
);
595 void cpu_set_cwp(CPUSPARCState
*env1
, int new_cwp
);
598 void leon3_irq_manager(CPUSPARCState
*env
, void *irq_manager
, int intno
);
600 /* sun4m.c, sun4u.c */
601 void cpu_check_irqs(CPUSPARCState
*env
);
604 void leon3_irq_ack(void *irq_manager
, int intno
);
606 #if defined (TARGET_SPARC64)
608 static inline int compare_masked(uint64_t x
, uint64_t y
, uint64_t mask
)
610 return (x
& mask
) == (y
& mask
);
613 #define MMU_CONTEXT_BITS 13
614 #define MMU_CONTEXT_MASK ((1 << MMU_CONTEXT_BITS) - 1)
616 static inline int tlb_compare_context(const SparcTLBEntry
*tlb
,
619 return compare_masked(context
, tlb
->tag
, MMU_CONTEXT_MASK
);
626 #if !defined(CONFIG_USER_ONLY)
627 void sparc_cpu_unassigned_access(CPUState
*cpu
, hwaddr addr
,
628 bool is_write
, bool is_exec
, int is_asi
,
630 #if defined(TARGET_SPARC64)
631 hwaddr
cpu_get_phys_page_nofault(CPUSPARCState
*env
, target_ulong addr
,
635 int cpu_sparc_signal_handler(int host_signum
, void *pinfo
, void *puc
);
637 #define SPARC_CPU_TYPE_SUFFIX "-" TYPE_SPARC_CPU
638 #define SPARC_CPU_TYPE_NAME(model) model SPARC_CPU_TYPE_SUFFIX
639 #define CPU_RESOLVING_TYPE TYPE_SPARC_CPU
641 #define cpu_signal_handler cpu_sparc_signal_handler
642 #define cpu_list sparc_cpu_list
644 /* MMU modes definitions */
645 #if defined (TARGET_SPARC64)
646 #define MMU_USER_IDX 0
647 #define MMU_USER_SECONDARY_IDX 1
648 #define MMU_KERNEL_IDX 2
649 #define MMU_KERNEL_SECONDARY_IDX 3
650 #define MMU_NUCLEUS_IDX 4
651 #define MMU_PHYS_IDX 5
653 #define MMU_USER_IDX 0
654 #define MMU_KERNEL_IDX 1
655 #define MMU_PHYS_IDX 2
658 #if defined (TARGET_SPARC64)
659 static inline int cpu_has_hypervisor(CPUSPARCState
*env1
)
661 return env1
->def
.features
& CPU_FEATURE_HYPV
;
664 static inline int cpu_hypervisor_mode(CPUSPARCState
*env1
)
666 return cpu_has_hypervisor(env1
) && (env1
->hpstate
& HS_PRIV
);
669 static inline int cpu_supervisor_mode(CPUSPARCState
*env1
)
671 return env1
->pstate
& PS_PRIV
;
674 static inline int cpu_supervisor_mode(CPUSPARCState
*env1
)
680 static inline int cpu_mmu_index(CPUSPARCState
*env
, bool ifetch
)
682 #if defined(CONFIG_USER_ONLY)
684 #elif !defined(TARGET_SPARC64)
685 if ((env
->mmuregs
[0] & MMU_E
) == 0) { /* MMU disabled */
691 /* IMMU or DMMU disabled. */
693 ? (env
->lsu
& IMMU_E
) == 0 || (env
->pstate
& PS_RED
) != 0
694 : (env
->lsu
& DMMU_E
) == 0) {
696 } else if (cpu_hypervisor_mode(env
)) {
698 } else if (env
->tl
> 0) {
699 return MMU_NUCLEUS_IDX
;
700 } else if (cpu_supervisor_mode(env
)) {
701 return MMU_KERNEL_IDX
;
708 static inline int cpu_interrupts_enabled(CPUSPARCState
*env1
)
710 #if !defined (TARGET_SPARC64)
711 if (env1
->psret
!= 0)
714 if ((env1
->pstate
& PS_IE
) && !cpu_hypervisor_mode(env1
)) {
722 static inline int cpu_pil_allowed(CPUSPARCState
*env1
, int pil
)
724 #if !defined(TARGET_SPARC64)
725 /* level 15 is non-maskable on sparc v8 */
726 return pil
== 15 || pil
> env1
->psrpil
;
728 return pil
> env1
->psrpil
;
732 typedef CPUSPARCState CPUArchState
;
733 typedef SPARCCPU ArchCPU
;
735 #include "exec/cpu-all.h"
737 #ifdef TARGET_SPARC64
739 void cpu_tick_set_count(CPUTimer
*timer
, uint64_t count
);
740 uint64_t cpu_tick_get_count(CPUTimer
*timer
);
741 void cpu_tick_set_limit(CPUTimer
*timer
, uint64_t limit
);
742 trap_state
* cpu_tsptr(CPUSPARCState
* env
);
745 #define TB_FLAG_MMU_MASK 7
746 #define TB_FLAG_FPU_ENABLED (1 << 4)
747 #define TB_FLAG_AM_ENABLED (1 << 5)
748 #define TB_FLAG_SUPER (1 << 6)
749 #define TB_FLAG_HYPER (1 << 7)
750 #define TB_FLAG_ASI_SHIFT 24
752 static inline void cpu_get_tb_cpu_state(CPUSPARCState
*env
, target_ulong
*pc
,
753 target_ulong
*cs_base
, uint32_t *pflags
)
758 flags
= cpu_mmu_index(env
, false);
759 #ifndef CONFIG_USER_ONLY
760 if (cpu_supervisor_mode(env
)) {
761 flags
|= TB_FLAG_SUPER
;
764 #ifdef TARGET_SPARC64
765 #ifndef CONFIG_USER_ONLY
766 if (cpu_hypervisor_mode(env
)) {
767 flags
|= TB_FLAG_HYPER
;
770 if (env
->pstate
& PS_AM
) {
771 flags
|= TB_FLAG_AM_ENABLED
;
773 if ((env
->def
.features
& CPU_FEATURE_FLOAT
)
774 && (env
->pstate
& PS_PEF
)
775 && (env
->fprs
& FPRS_FEF
)) {
776 flags
|= TB_FLAG_FPU_ENABLED
;
778 flags
|= env
->asi
<< TB_FLAG_ASI_SHIFT
;
780 if ((env
->def
.features
& CPU_FEATURE_FLOAT
) && env
->psref
) {
781 flags
|= TB_FLAG_FPU_ENABLED
;
787 static inline bool tb_fpu_enabled(int tb_flags
)
789 #if defined(CONFIG_USER_ONLY)
792 return tb_flags
& TB_FLAG_FPU_ENABLED
;
796 static inline bool tb_am_enabled(int tb_flags
)
798 #ifndef TARGET_SPARC64
801 return tb_flags
& TB_FLAG_AM_ENABLED
;