1 #if !defined (__MIPS_CPU_H__)
4 #define TARGET_HAS_ICE 1
6 #define ELF_MACHINE EM_MIPS
8 #define CPUState struct CPUMIPSState
11 #include "mips-defs.h"
13 #include "softfloat.h"
15 // uint_fast8_t and uint_fast16_t not in <sys/int_types.h>
16 // XXX: move that elsewhere
17 #if defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 10
18 typedef unsigned char uint_fast8_t;
19 typedef unsigned int uint_fast16_t;
24 typedef struct r4k_tlb_t r4k_tlb_t;
39 typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
40 struct CPUMIPSTLBContext {
43 int (*map_address) (struct CPUMIPSState *env, target_phys_addr_t *physical, int *prot, target_ulong address, int rw, int access_type);
44 void (*helper_tlbwi) (void);
45 void (*helper_tlbwr) (void);
46 void (*helper_tlbp) (void);
47 void (*helper_tlbr) (void);
50 r4k_tlb_t tlb[MIPS_TLB_MAX];
55 typedef union fpr_t fpr_t;
57 float64 fd; /* ieee double precision */
58 float32 fs[2];/* ieee single precision */
59 uint64_t d; /* binary double fixed-point */
60 uint32_t w[2]; /* binary single fixed-point */
62 /* define FP_ENDIAN_IDX to access the same location
63 * in the fpr_t union regardless of the host endianess
65 #if defined(HOST_WORDS_BIGENDIAN)
66 # define FP_ENDIAN_IDX 1
68 # define FP_ENDIAN_IDX 0
71 typedef struct CPUMIPSFPUContext CPUMIPSFPUContext;
72 struct CPUMIPSFPUContext {
73 /* Floating point registers */
75 float_status fp_status;
76 /* fpu implementation/revision register (fir) */
89 #define SET_FP_COND(num,env) do { ((env).fcr31) |= ((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
90 #define CLEAR_FP_COND(num,env) do { ((env).fcr31) &= ~((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
91 #define GET_FP_COND(env) ((((env).fcr31 >> 24) & 0xfe) | (((env).fcr31 >> 23) & 0x1))
92 #define GET_FP_CAUSE(reg) (((reg) >> 12) & 0x3f)
93 #define GET_FP_ENABLE(reg) (((reg) >> 7) & 0x1f)
94 #define GET_FP_FLAGS(reg) (((reg) >> 2) & 0x1f)
95 #define SET_FP_CAUSE(reg,v) do { (reg) = ((reg) & ~(0x3f << 12)) | ((v & 0x3f) << 12); } while(0)
96 #define SET_FP_ENABLE(reg,v) do { (reg) = ((reg) & ~(0x1f << 7)) | ((v & 0x1f) << 7); } while(0)
97 #define SET_FP_FLAGS(reg,v) do { (reg) = ((reg) & ~(0x1f << 2)) | ((v & 0x1f) << 2); } while(0)
98 #define UPDATE_FP_FLAGS(reg,v) do { (reg) |= ((v & 0x1f) << 2); } while(0)
100 #define FP_UNDERFLOW 2
101 #define FP_OVERFLOW 4
103 #define FP_INVALID 16
104 #define FP_UNIMPLEMENTED 32
107 #define NB_MMU_MODES 3
109 typedef struct CPUMIPSMVPContext CPUMIPSMVPContext;
110 struct CPUMIPSMVPContext {
111 int32_t CP0_MVPControl;
112 #define CP0MVPCo_CPA 3
113 #define CP0MVPCo_STLB 2
114 #define CP0MVPCo_VPC 1
115 #define CP0MVPCo_EVP 0
116 int32_t CP0_MVPConf0;
117 #define CP0MVPC0_M 31
118 #define CP0MVPC0_TLBS 29
119 #define CP0MVPC0_GS 28
120 #define CP0MVPC0_PCP 27
121 #define CP0MVPC0_PTLBE 16
122 #define CP0MVPC0_TCA 15
123 #define CP0MVPC0_PVPE 10
124 #define CP0MVPC0_PTC 0
125 int32_t CP0_MVPConf1;
126 #define CP0MVPC1_CIM 31
127 #define CP0MVPC1_CIF 30
128 #define CP0MVPC1_PCX 20
129 #define CP0MVPC1_PCP2 10
130 #define CP0MVPC1_PCP1 0
133 typedef struct mips_def_t mips_def_t;
135 #define MIPS_SHADOW_SET_MAX 16
136 #define MIPS_TC_MAX 5
137 #define MIPS_FPU_MAX 1
138 #define MIPS_DSP_ACC 4
140 typedef struct TCState TCState;
142 target_ulong gpr[32];
144 target_ulong HI[MIPS_DSP_ACC];
145 target_ulong LO[MIPS_DSP_ACC];
146 target_ulong ACX[MIPS_DSP_ACC];
147 target_ulong DSPControl;
148 int32_t CP0_TCStatus;
149 #define CP0TCSt_TCU3 31
150 #define CP0TCSt_TCU2 30
151 #define CP0TCSt_TCU1 29
152 #define CP0TCSt_TCU0 28
153 #define CP0TCSt_TMX 27
154 #define CP0TCSt_RNST 23
155 #define CP0TCSt_TDS 21
156 #define CP0TCSt_DT 20
157 #define CP0TCSt_DA 15
159 #define CP0TCSt_TKSU 11
160 #define CP0TCSt_IXMT 10
161 #define CP0TCSt_TASID 0
163 #define CP0TCBd_CurTC 21
164 #define CP0TCBd_TBE 17
165 #define CP0TCBd_CurVPE 0
166 target_ulong CP0_TCHalt;
167 target_ulong CP0_TCContext;
168 target_ulong CP0_TCSchedule;
169 target_ulong CP0_TCScheFBack;
170 int32_t CP0_Debug_tcstatus;
173 typedef struct CPUMIPSState CPUMIPSState;
174 struct CPUMIPSState {
176 CPUMIPSFPUContext active_fpu;
179 uint32_t current_fpu;
183 target_ulong SEGMask;
187 /* CP0_MVP* are per MVP registers. */
189 int32_t CP0_VPEControl;
190 #define CP0VPECo_YSI 21
191 #define CP0VPECo_GSI 20
192 #define CP0VPECo_EXCPT 16
193 #define CP0VPECo_TE 15
194 #define CP0VPECo_TargTC 0
195 int32_t CP0_VPEConf0;
196 #define CP0VPEC0_M 31
197 #define CP0VPEC0_XTC 21
198 #define CP0VPEC0_TCS 19
199 #define CP0VPEC0_SCS 18
200 #define CP0VPEC0_DSC 17
201 #define CP0VPEC0_ICS 16
202 #define CP0VPEC0_MVP 1
203 #define CP0VPEC0_VPA 0
204 int32_t CP0_VPEConf1;
205 #define CP0VPEC1_NCX 20
206 #define CP0VPEC1_NCP2 10
207 #define CP0VPEC1_NCP1 0
208 target_ulong CP0_YQMask;
209 target_ulong CP0_VPESchedule;
210 target_ulong CP0_VPEScheFBack;
212 #define CP0VPEOpt_IWX7 15
213 #define CP0VPEOpt_IWX6 14
214 #define CP0VPEOpt_IWX5 13
215 #define CP0VPEOpt_IWX4 12
216 #define CP0VPEOpt_IWX3 11
217 #define CP0VPEOpt_IWX2 10
218 #define CP0VPEOpt_IWX1 9
219 #define CP0VPEOpt_IWX0 8
220 #define CP0VPEOpt_DWX7 7
221 #define CP0VPEOpt_DWX6 6
222 #define CP0VPEOpt_DWX5 5
223 #define CP0VPEOpt_DWX4 4
224 #define CP0VPEOpt_DWX3 3
225 #define CP0VPEOpt_DWX2 2
226 #define CP0VPEOpt_DWX1 1
227 #define CP0VPEOpt_DWX0 0
228 target_ulong CP0_EntryLo0;
229 target_ulong CP0_EntryLo1;
230 target_ulong CP0_Context;
231 int32_t CP0_PageMask;
232 int32_t CP0_PageGrain;
234 int32_t CP0_SRSConf0_rw_bitmask;
235 int32_t CP0_SRSConf0;
236 #define CP0SRSC0_M 31
237 #define CP0SRSC0_SRS3 20
238 #define CP0SRSC0_SRS2 10
239 #define CP0SRSC0_SRS1 0
240 int32_t CP0_SRSConf1_rw_bitmask;
241 int32_t CP0_SRSConf1;
242 #define CP0SRSC1_M 31
243 #define CP0SRSC1_SRS6 20
244 #define CP0SRSC1_SRS5 10
245 #define CP0SRSC1_SRS4 0
246 int32_t CP0_SRSConf2_rw_bitmask;
247 int32_t CP0_SRSConf2;
248 #define CP0SRSC2_M 31
249 #define CP0SRSC2_SRS9 20
250 #define CP0SRSC2_SRS8 10
251 #define CP0SRSC2_SRS7 0
252 int32_t CP0_SRSConf3_rw_bitmask;
253 int32_t CP0_SRSConf3;
254 #define CP0SRSC3_M 31
255 #define CP0SRSC3_SRS12 20
256 #define CP0SRSC3_SRS11 10
257 #define CP0SRSC3_SRS10 0
258 int32_t CP0_SRSConf4_rw_bitmask;
259 int32_t CP0_SRSConf4;
260 #define CP0SRSC4_SRS15 20
261 #define CP0SRSC4_SRS14 10
262 #define CP0SRSC4_SRS13 0
264 target_ulong CP0_BadVAddr;
266 target_ulong CP0_EntryHi;
291 #define CP0IntCtl_IPTI 29
292 #define CP0IntCtl_IPPC1 26
293 #define CP0IntCtl_VS 5
295 #define CP0SRSCtl_HSS 26
296 #define CP0SRSCtl_EICSS 18
297 #define CP0SRSCtl_ESS 12
298 #define CP0SRSCtl_PSS 6
299 #define CP0SRSCtl_CSS 0
301 #define CP0SRSMap_SSV7 28
302 #define CP0SRSMap_SSV6 24
303 #define CP0SRSMap_SSV5 20
304 #define CP0SRSMap_SSV4 16
305 #define CP0SRSMap_SSV3 12
306 #define CP0SRSMap_SSV2 8
307 #define CP0SRSMap_SSV1 4
308 #define CP0SRSMap_SSV0 0
318 #define CP0Ca_IP_mask 0x0000FF00
320 target_ulong CP0_EPC;
364 #define CP0C3_DSPP 10
374 /* XXX: Maybe make LLAddr per-TC? */
377 target_ulong llnewval;
379 target_ulong CP0_LLAddr_rw_bitmask;
380 int CP0_LLAddr_shift;
381 target_ulong CP0_WatchLo[8];
382 int32_t CP0_WatchHi[8];
383 target_ulong CP0_XContext;
384 int32_t CP0_Framemask;
388 #define CP0DB_LSNM 28
389 #define CP0DB_Doze 27
390 #define CP0DB_Halt 26
392 #define CP0DB_IBEP 24
393 #define CP0DB_DBEP 21
394 #define CP0DB_IEXI 20
404 target_ulong CP0_DEPC;
405 int32_t CP0_Performance0;
410 target_ulong CP0_ErrorEPC;
412 /* We waste some space so we can handle shadow registers like TCs. */
413 TCState tcs[MIPS_SHADOW_SET_MAX];
414 CPUMIPSFPUContext fpus[MIPS_FPU_MAX];
417 uint32_t hflags; /* CPU State */
418 /* TMASK defines different execution modes */
419 #define MIPS_HFLAG_TMASK 0x03FF
420 #define MIPS_HFLAG_MODE 0x0007 /* execution modes */
421 /* The KSU flags must be the lowest bits in hflags. The flag order
422 must be the same as defined for CP0 Status. This allows to use
423 the bits as the value of mmu_idx. */
424 #define MIPS_HFLAG_KSU 0x0003 /* kernel/supervisor/user mode mask */
425 #define MIPS_HFLAG_UM 0x0002 /* user mode flag */
426 #define MIPS_HFLAG_SM 0x0001 /* supervisor mode flag */
427 #define MIPS_HFLAG_KM 0x0000 /* kernel mode flag */
428 #define MIPS_HFLAG_DM 0x0004 /* Debug mode */
429 #define MIPS_HFLAG_64 0x0008 /* 64-bit instructions enabled */
430 #define MIPS_HFLAG_CP0 0x0010 /* CP0 enabled */
431 #define MIPS_HFLAG_FPU 0x0020 /* FPU enabled */
432 #define MIPS_HFLAG_F64 0x0040 /* 64-bit FPU enabled */
433 /* True if the MIPS IV COP1X instructions can be used. This also
434 controls the non-COP1X instructions RECIP.S, RECIP.D, RSQRT.S
436 #define MIPS_HFLAG_COP1X 0x0080 /* COP1X instructions enabled */
437 #define MIPS_HFLAG_RE 0x0100 /* Reversed endianness */
438 #define MIPS_HFLAG_UX 0x0200 /* 64-bit user mode */
439 /* If translation is interrupted between the branch instruction and
440 * the delay slot, record what type of branch it is so that we can
441 * resume translation properly. It might be possible to reduce
442 * this from three bits to two. */
443 #define MIPS_HFLAG_BMASK 0x1C00
444 #define MIPS_HFLAG_B 0x0400 /* Unconditional branch */
445 #define MIPS_HFLAG_BC 0x0800 /* Conditional branch */
446 #define MIPS_HFLAG_BL 0x0C00 /* Likely branch */
447 #define MIPS_HFLAG_BR 0x1000 /* branch to register (can't link TB) */
448 target_ulong btarget; /* Jump / branch target */
449 target_ulong bcond; /* Branch condition (if needed) */
451 int SYNCI_Step; /* Address step size for SYNCI */
452 int CCRes; /* Cycle count resolution/divisor */
453 uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */
454 uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */
455 int insn_flags; /* Supported instruction set */
457 target_ulong tls_value; /* For usermode emulation */
461 CPUMIPSMVPContext *mvp;
462 CPUMIPSTLBContext *tlb;
464 const mips_def_t *cpu_model;
466 struct QEMUTimer *timer; /* Internal timer */
469 int no_mmu_map_address (CPUMIPSState *env, target_phys_addr_t *physical, int *prot,
470 target_ulong address, int rw, int access_type);
471 int fixed_mmu_map_address (CPUMIPSState *env, target_phys_addr_t *physical, int *prot,
472 target_ulong address, int rw, int access_type);
473 int r4k_map_address (CPUMIPSState *env, target_phys_addr_t *physical, int *prot,
474 target_ulong address, int rw, int access_type);
475 void r4k_helper_tlbwi (void);
476 void r4k_helper_tlbwr (void);
477 void r4k_helper_tlbp (void);
478 void r4k_helper_tlbr (void);
479 void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
481 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
482 int unused, int size);
484 #define cpu_init cpu_mips_init
485 #define cpu_exec cpu_mips_exec
486 #define cpu_gen_code cpu_mips_gen_code
487 #define cpu_signal_handler cpu_mips_signal_handler
488 #define cpu_list mips_cpu_list
490 #define CPU_SAVE_VERSION 3
492 /* MMU modes definitions. We carefully match the indices with our
494 #define MMU_MODE0_SUFFIX _kernel
495 #define MMU_MODE1_SUFFIX _super
496 #define MMU_MODE2_SUFFIX _user
497 #define MMU_USER_IDX 2
498 static inline int cpu_mmu_index (CPUState *env)
500 return env->hflags & MIPS_HFLAG_KSU;
503 static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
506 env->active_tc.gpr[29] = newsp;
507 env->active_tc.gpr[7] = 0;
508 env->active_tc.gpr[2] = 0;
512 #include "exec-all.h"
514 /* Memory access type :
515 * may be needed for precise access rights control and precise exceptions.
518 /* 1 bit to define user level / supervisor access */
521 /* 1 bit to indicate direction */
523 /* Type of instruction that generated the access */
524 ACCESS_CODE = 0x10, /* Code fetch access */
525 ACCESS_INT = 0x20, /* Integer load/store access */
526 ACCESS_FLOAT = 0x30, /* floating point load/store access */
540 EXCP_EXT_INTERRUPT, /* 8 */
556 EXCP_DWATCH, /* 24 */
566 EXCP_LAST = EXCP_CACHE,
568 /* Dummy exception for conditional stores. */
569 #define EXCP_SC 0x100
571 int cpu_mips_exec(CPUMIPSState *s);
572 CPUMIPSState *cpu_mips_init(const char *cpu_model);
573 //~ uint32_t cpu_mips_get_clock (void);
574 int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
577 uint32_t cpu_mips_get_random (CPUState *env);
578 uint32_t cpu_mips_get_count (CPUState *env);
579 void cpu_mips_store_count (CPUState *env, uint32_t value);
580 void cpu_mips_store_compare (CPUState *env, uint32_t value);
581 void cpu_mips_start_count(CPUState *env);
582 void cpu_mips_stop_count(CPUState *env);
585 void cpu_mips_update_irq (CPUState *env);
588 int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
589 int mmu_idx, int is_softmmu);
590 #define cpu_handle_mmu_fault cpu_mips_handle_mmu_fault
591 void do_interrupt (CPUState *env);
592 void r4k_invalidate_tlb (CPUState *env, int idx, int use_extra);
594 static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
596 env->active_tc.PC = tb->pc;
597 env->hflags &= ~MIPS_HFLAG_BMASK;
598 env->hflags |= tb->flags & MIPS_HFLAG_BMASK;
601 static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
602 target_ulong *cs_base, int *flags)
604 *pc = env->active_tc.PC;
606 *flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK);
609 static inline void cpu_set_tls(CPUState *env, target_ulong newtls)
611 env->tls_value = newtls;
614 #endif /* !defined (__MIPS_CPU_H__) */