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1.1 root 1: #if !defined (__MIPS_CPU_H__)
2: #define __MIPS_CPU_H__
3:
1.1.1.2 root 4: #define TARGET_HAS_ICE 1
5:
1.1.1.5 root 6: #define ELF_MACHINE EM_MIPS
7:
1.1.1.8 ! root 8: #define CPUState struct CPUMIPSState
! 9:
1.1.1.4 root 10: #include "config.h"
1.1 root 11: #include "mips-defs.h"
12: #include "cpu-defs.h"
13: #include "softfloat.h"
14:
1.1.1.4 root 15: // uint_fast8_t and uint_fast16_t not in <sys/int_types.h>
16: // XXX: move that elsewhere
1.1.1.6 root 17: #if defined(HOST_SOLARIS) && HOST_SOLARIS < 10
1.1.1.4 root 18: typedef unsigned char uint_fast8_t;
19: typedef unsigned int uint_fast16_t;
20: #endif
21:
1.1.1.6 root 22: struct CPUMIPSState;
23:
24: typedef struct r4k_tlb_t r4k_tlb_t;
25: struct r4k_tlb_t {
26: target_ulong VPN;
27: uint32_t PageMask;
28: uint_fast8_t ASID;
29: uint_fast16_t G:1;
30: uint_fast16_t C0:3;
31: uint_fast16_t C1:3;
32: uint_fast16_t V0:1;
33: uint_fast16_t V1:1;
34: uint_fast16_t D0:1;
35: uint_fast16_t D1:1;
36: target_ulong PFN[2];
37: };
38:
39: typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
40: struct CPUMIPSTLBContext {
41: uint32_t nb_tlb;
42: uint32_t tlb_in_use;
43: int (*map_address) (struct CPUMIPSState *env, target_ulong *physical, int *prot, target_ulong address, int rw, int access_type);
1.1.1.8 ! root 44: void (*helper_tlbwi) (void);
! 45: void (*helper_tlbwr) (void);
! 46: void (*helper_tlbp) (void);
! 47: void (*helper_tlbr) (void);
1.1.1.6 root 48: union {
49: struct {
50: r4k_tlb_t tlb[MIPS_TLB_MAX];
51: } r4k;
52: } mmu;
53: };
1.1.1.5 root 54:
1.1 root 55: typedef union fpr_t fpr_t;
56: union fpr_t {
1.1.1.4 root 57: float64 fd; /* ieee double precision */
58: float32 fs[2];/* ieee single precision */
1.1.1.6 root 59: uint64_t d; /* binary double fixed-point */
1.1.1.4 root 60: uint32_t w[2]; /* binary single fixed-point */
1.1 root 61: };
1.1.1.4 root 62: /* define FP_ENDIAN_IDX to access the same location
63: * in the fpr_t union regardless of the host endianess
64: */
65: #if defined(WORDS_BIGENDIAN)
66: # define FP_ENDIAN_IDX 1
67: #else
68: # define FP_ENDIAN_IDX 0
69: #endif
1.1 root 70:
1.1.1.6 root 71: typedef struct CPUMIPSFPUContext CPUMIPSFPUContext;
72: struct CPUMIPSFPUContext {
1.1 root 73: /* Floating point registers */
1.1.1.6 root 74: fpr_t fpr[32];
1.1.1.4 root 75: float_status fp_status;
1.1.1.6 root 76: /* fpu implementation/revision register (fir) */
1.1 root 77: uint32_t fcr0;
1.1.1.6 root 78: #define FCR0_F64 22
79: #define FCR0_L 21
80: #define FCR0_W 20
81: #define FCR0_3D 19
82: #define FCR0_PS 18
83: #define FCR0_D 17
84: #define FCR0_S 16
85: #define FCR0_PRID 8
86: #define FCR0_REV 0
1.1.1.4 root 87: /* fcsr */
88: uint32_t fcr31;
1.1.1.7 root 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))
1.1.1.6 root 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)
1.1.1.4 root 99: #define FP_INEXACT 1
100: #define FP_UNDERFLOW 2
101: #define FP_OVERFLOW 4
102: #define FP_DIV0 8
103: #define FP_INVALID 16
104: #define FP_UNIMPLEMENTED 32
1.1.1.6 root 105: };
106:
107: #define NB_MMU_MODES 3
108:
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
131: };
132:
133: typedef struct mips_def_t mips_def_t;
134:
135: #define MIPS_SHADOW_SET_MAX 16
136: #define MIPS_TC_MAX 5
1.1.1.7 root 137: #define MIPS_FPU_MAX 1
1.1.1.6 root 138: #define MIPS_DSP_ACC 4
139:
1.1.1.7 root 140: typedef struct TCState TCState;
141: struct TCState {
142: target_ulong gpr[32];
143: target_ulong PC;
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
158: #define CP0TCSt_A 13
159: #define CP0TCSt_TKSU 11
160: #define CP0TCSt_IXMT 10
161: #define CP0TCSt_TASID 0
162: int32_t CP0_TCBind;
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;
171: };
172:
1.1.1.6 root 173: typedef struct CPUMIPSState CPUMIPSState;
174: struct CPUMIPSState {
1.1.1.7 root 175: TCState active_tc;
176: CPUMIPSFPUContext active_fpu;
1.1.1.6 root 177:
178: CPUMIPSMVPContext *mvp;
179: CPUMIPSTLBContext *tlb;
180: uint32_t current_tc;
1.1.1.7 root 181: uint32_t current_fpu;
1.1.1.6 root 182:
183: uint32_t SEGBITS;
184: uint32_t PABITS;
1.1.1.7 root 185: target_ulong SEGMask;
1.1.1.6 root 186: target_ulong PAMask;
187:
1.1.1.5 root 188: int32_t CP0_Index;
1.1.1.6 root 189: /* CP0_MVP* are per MVP registers. */
1.1.1.5 root 190: int32_t CP0_Random;
1.1.1.6 root 191: int32_t CP0_VPEControl;
192: #define CP0VPECo_YSI 21
193: #define CP0VPECo_GSI 20
194: #define CP0VPECo_EXCPT 16
195: #define CP0VPECo_TE 15
196: #define CP0VPECo_TargTC 0
197: int32_t CP0_VPEConf0;
198: #define CP0VPEC0_M 31
199: #define CP0VPEC0_XTC 21
200: #define CP0VPEC0_TCS 19
201: #define CP0VPEC0_SCS 18
202: #define CP0VPEC0_DSC 17
203: #define CP0VPEC0_ICS 16
204: #define CP0VPEC0_MVP 1
205: #define CP0VPEC0_VPA 0
206: int32_t CP0_VPEConf1;
207: #define CP0VPEC1_NCX 20
208: #define CP0VPEC1_NCP2 10
209: #define CP0VPEC1_NCP1 0
210: target_ulong CP0_YQMask;
211: target_ulong CP0_VPESchedule;
212: target_ulong CP0_VPEScheFBack;
213: int32_t CP0_VPEOpt;
214: #define CP0VPEOpt_IWX7 15
215: #define CP0VPEOpt_IWX6 14
216: #define CP0VPEOpt_IWX5 13
217: #define CP0VPEOpt_IWX4 12
218: #define CP0VPEOpt_IWX3 11
219: #define CP0VPEOpt_IWX2 10
220: #define CP0VPEOpt_IWX1 9
221: #define CP0VPEOpt_IWX0 8
222: #define CP0VPEOpt_DWX7 7
223: #define CP0VPEOpt_DWX6 6
224: #define CP0VPEOpt_DWX5 5
225: #define CP0VPEOpt_DWX4 4
226: #define CP0VPEOpt_DWX3 3
227: #define CP0VPEOpt_DWX2 2
228: #define CP0VPEOpt_DWX1 1
229: #define CP0VPEOpt_DWX0 0
1.1.1.5 root 230: target_ulong CP0_EntryLo0;
231: target_ulong CP0_EntryLo1;
232: target_ulong CP0_Context;
233: int32_t CP0_PageMask;
234: int32_t CP0_PageGrain;
235: int32_t CP0_Wired;
1.1.1.6 root 236: int32_t CP0_SRSConf0_rw_bitmask;
237: int32_t CP0_SRSConf0;
238: #define CP0SRSC0_M 31
239: #define CP0SRSC0_SRS3 20
240: #define CP0SRSC0_SRS2 10
241: #define CP0SRSC0_SRS1 0
242: int32_t CP0_SRSConf1_rw_bitmask;
243: int32_t CP0_SRSConf1;
244: #define CP0SRSC1_M 31
245: #define CP0SRSC1_SRS6 20
246: #define CP0SRSC1_SRS5 10
247: #define CP0SRSC1_SRS4 0
248: int32_t CP0_SRSConf2_rw_bitmask;
249: int32_t CP0_SRSConf2;
250: #define CP0SRSC2_M 31
251: #define CP0SRSC2_SRS9 20
252: #define CP0SRSC2_SRS8 10
253: #define CP0SRSC2_SRS7 0
254: int32_t CP0_SRSConf3_rw_bitmask;
255: int32_t CP0_SRSConf3;
256: #define CP0SRSC3_M 31
257: #define CP0SRSC3_SRS12 20
258: #define CP0SRSC3_SRS11 10
259: #define CP0SRSC3_SRS10 0
260: int32_t CP0_SRSConf4_rw_bitmask;
261: int32_t CP0_SRSConf4;
262: #define CP0SRSC4_SRS15 20
263: #define CP0SRSC4_SRS14 10
264: #define CP0SRSC4_SRS13 0
1.1.1.5 root 265: int32_t CP0_HWREna;
266: target_ulong CP0_BadVAddr;
267: int32_t CP0_Count;
268: target_ulong CP0_EntryHi;
269: int32_t CP0_Compare;
270: int32_t CP0_Status;
1.1 root 271: #define CP0St_CU3 31
272: #define CP0St_CU2 30
273: #define CP0St_CU1 29
274: #define CP0St_CU0 28
275: #define CP0St_RP 27
1.1.1.4 root 276: #define CP0St_FR 26
1.1 root 277: #define CP0St_RE 25
1.1.1.5 root 278: #define CP0St_MX 24
279: #define CP0St_PX 23
1.1 root 280: #define CP0St_BEV 22
281: #define CP0St_TS 21
282: #define CP0St_SR 20
283: #define CP0St_NMI 19
284: #define CP0St_IM 8
1.1.1.5 root 285: #define CP0St_KX 7
286: #define CP0St_SX 6
287: #define CP0St_UX 5
1.1.1.6 root 288: #define CP0St_KSU 3
1.1 root 289: #define CP0St_ERL 2
290: #define CP0St_EXL 1
291: #define CP0St_IE 0
1.1.1.5 root 292: int32_t CP0_IntCtl;
1.1.1.6 root 293: #define CP0IntCtl_IPTI 29
294: #define CP0IntCtl_IPPC1 26
295: #define CP0IntCtl_VS 5
1.1.1.5 root 296: int32_t CP0_SRSCtl;
1.1.1.6 root 297: #define CP0SRSCtl_HSS 26
298: #define CP0SRSCtl_EICSS 18
299: #define CP0SRSCtl_ESS 12
300: #define CP0SRSCtl_PSS 6
301: #define CP0SRSCtl_CSS 0
1.1.1.5 root 302: int32_t CP0_SRSMap;
1.1.1.6 root 303: #define CP0SRSMap_SSV7 28
304: #define CP0SRSMap_SSV6 24
305: #define CP0SRSMap_SSV5 20
306: #define CP0SRSMap_SSV4 16
307: #define CP0SRSMap_SSV3 12
308: #define CP0SRSMap_SSV2 8
309: #define CP0SRSMap_SSV1 4
310: #define CP0SRSMap_SSV0 0
1.1.1.5 root 311: int32_t CP0_Cause;
312: #define CP0Ca_BD 31
313: #define CP0Ca_TI 30
314: #define CP0Ca_CE 28
315: #define CP0Ca_DC 27
316: #define CP0Ca_PCI 26
1.1 root 317: #define CP0Ca_IV 23
1.1.1.5 root 318: #define CP0Ca_WP 22
319: #define CP0Ca_IP 8
320: #define CP0Ca_IP_mask 0x0000FF00
321: #define CP0Ca_EC 2
322: target_ulong CP0_EPC;
323: int32_t CP0_PRid;
324: int32_t CP0_EBase;
325: int32_t CP0_Config0;
1.1 root 326: #define CP0C0_M 31
327: #define CP0C0_K23 28
328: #define CP0C0_KU 25
329: #define CP0C0_MDU 20
330: #define CP0C0_MM 17
331: #define CP0C0_BM 16
332: #define CP0C0_BE 15
333: #define CP0C0_AT 13
334: #define CP0C0_AR 10
335: #define CP0C0_MT 7
1.1.1.5 root 336: #define CP0C0_VI 3
1.1 root 337: #define CP0C0_K0 0
1.1.1.5 root 338: int32_t CP0_Config1;
339: #define CP0C1_M 31
1.1 root 340: #define CP0C1_MMU 25
341: #define CP0C1_IS 22
342: #define CP0C1_IL 19
343: #define CP0C1_IA 16
344: #define CP0C1_DS 13
345: #define CP0C1_DL 10
346: #define CP0C1_DA 7
1.1.1.5 root 347: #define CP0C1_C2 6
348: #define CP0C1_MD 5
1.1 root 349: #define CP0C1_PC 4
350: #define CP0C1_WR 3
351: #define CP0C1_CA 2
352: #define CP0C1_EP 1
353: #define CP0C1_FP 0
1.1.1.5 root 354: int32_t CP0_Config2;
355: #define CP0C2_M 31
356: #define CP0C2_TU 28
357: #define CP0C2_TS 24
358: #define CP0C2_TL 20
359: #define CP0C2_TA 16
360: #define CP0C2_SU 12
361: #define CP0C2_SS 8
362: #define CP0C2_SL 4
363: #define CP0C2_SA 0
364: int32_t CP0_Config3;
365: #define CP0C3_M 31
366: #define CP0C3_DSPP 10
367: #define CP0C3_LPA 7
368: #define CP0C3_VEIC 6
369: #define CP0C3_VInt 5
370: #define CP0C3_SP 4
371: #define CP0C3_MT 2
372: #define CP0C3_SM 1
373: #define CP0C3_TL 0
1.1.1.6 root 374: int32_t CP0_Config6;
375: int32_t CP0_Config7;
376: /* XXX: Maybe make LLAddr per-TC? */
1.1.1.5 root 377: target_ulong CP0_LLAddr;
1.1.1.8 ! root 378: target_ulong llval;
! 379: target_ulong llnewval;
! 380: target_ulong llreg;
1.1.1.6 root 381: target_ulong CP0_WatchLo[8];
382: int32_t CP0_WatchHi[8];
1.1.1.5 root 383: target_ulong CP0_XContext;
384: int32_t CP0_Framemask;
385: int32_t CP0_Debug;
1.1.1.6 root 386: #define CP0DB_DBD 31
1.1 root 387: #define CP0DB_DM 30
388: #define CP0DB_LSNM 28
389: #define CP0DB_Doze 27
390: #define CP0DB_Halt 26
391: #define CP0DB_CNT 25
392: #define CP0DB_IBEP 24
393: #define CP0DB_DBEP 21
394: #define CP0DB_IEXI 20
395: #define CP0DB_VER 15
396: #define CP0DB_DEC 10
397: #define CP0DB_SSt 8
398: #define CP0DB_DINT 5
399: #define CP0DB_DIB 4
400: #define CP0DB_DDBS 3
401: #define CP0DB_DDBL 2
402: #define CP0DB_DBp 1
403: #define CP0DB_DSS 0
1.1.1.5 root 404: target_ulong CP0_DEPC;
405: int32_t CP0_Performance0;
406: int32_t CP0_TagLo;
407: int32_t CP0_DataLo;
408: int32_t CP0_TagHi;
409: int32_t CP0_DataHi;
410: target_ulong CP0_ErrorEPC;
411: int32_t CP0_DESAVE;
1.1.1.7 root 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];
1.1 root 415: /* Qemu */
416: int error_code;
417: uint32_t hflags; /* CPU State */
418: /* TMASK defines different execution modes */
1.1.1.7 root 419: #define MIPS_HFLAG_TMASK 0x03FF
1.1.1.6 root 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
435: and RSQRT.D. */
436: #define MIPS_HFLAG_COP1X 0x0080 /* COP1X instructions enabled */
437: #define MIPS_HFLAG_RE 0x0100 /* Reversed endianness */
1.1.1.7 root 438: #define MIPS_HFLAG_UX 0x0200 /* 64-bit user mode */
1.1.1.2 root 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. */
1.1.1.7 root 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) */
1.1 root 448: target_ulong btarget; /* Jump / branch target */
1.1.1.8 ! root 449: target_ulong bcond; /* Branch condition (if needed) */
1.1.1.2 root 450:
1.1.1.5 root 451: int SYNCI_Step; /* Address step size for SYNCI */
452: int CCRes; /* Cycle count resolution/divisor */
1.1.1.6 root 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 */
456:
1.1.1.7 root 457: target_ulong tls_value; /* For usermode emulation */
1.1.1.5 root 458:
1.1.1.2 root 459: CPU_COMMON
1.1.1.5 root 460:
1.1.1.6 root 461: const mips_def_t *cpu_model;
462: void *irq[8];
1.1.1.5 root 463: struct QEMUTimer *timer; /* Internal timer */
1.1 root 464: };
465:
1.1.1.6 root 466: int no_mmu_map_address (CPUMIPSState *env, target_ulong *physical, int *prot,
467: target_ulong address, int rw, int access_type);
468: int fixed_mmu_map_address (CPUMIPSState *env, target_ulong *physical, int *prot,
469: target_ulong address, int rw, int access_type);
470: int r4k_map_address (CPUMIPSState *env, target_ulong *physical, int *prot,
471: target_ulong address, int rw, int access_type);
1.1.1.8 ! root 472: void r4k_helper_tlbwi (void);
! 473: void r4k_helper_tlbwr (void);
! 474: void r4k_helper_tlbp (void);
! 475: void r4k_helper_tlbr (void);
1.1.1.6 root 476: void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
477:
478: void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
1.1.1.7 root 479: int unused, int size);
1.1.1.6 root 480:
481: #define cpu_init cpu_mips_init
482: #define cpu_exec cpu_mips_exec
483: #define cpu_gen_code cpu_mips_gen_code
484: #define cpu_signal_handler cpu_mips_signal_handler
485: #define cpu_list mips_cpu_list
486:
1.1.1.7 root 487: #define CPU_SAVE_VERSION 3
488:
1.1.1.6 root 489: /* MMU modes definitions. We carefully match the indices with our
490: hflags layout. */
491: #define MMU_MODE0_SUFFIX _kernel
492: #define MMU_MODE1_SUFFIX _super
493: #define MMU_MODE2_SUFFIX _user
494: #define MMU_USER_IDX 2
495: static inline int cpu_mmu_index (CPUState *env)
496: {
497: return env->hflags & MIPS_HFLAG_KSU;
498: }
499:
1.1.1.7 root 500: static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
501: {
502: if (newsp)
503: env->active_tc.gpr[29] = newsp;
504: env->active_tc.gpr[7] = 0;
505: env->active_tc.gpr[2] = 0;
506: }
507:
1.1 root 508: #include "cpu-all.h"
1.1.1.7 root 509: #include "exec-all.h"
1.1 root 510:
511: /* Memory access type :
512: * may be needed for precise access rights control and precise exceptions.
513: */
514: enum {
515: /* 1 bit to define user level / supervisor access */
516: ACCESS_USER = 0x00,
517: ACCESS_SUPER = 0x01,
518: /* 1 bit to indicate direction */
519: ACCESS_STORE = 0x02,
520: /* Type of instruction that generated the access */
521: ACCESS_CODE = 0x10, /* Code fetch access */
522: ACCESS_INT = 0x20, /* Integer load/store access */
523: ACCESS_FLOAT = 0x30, /* floating point load/store access */
524: };
525:
526: /* Exceptions */
527: enum {
528: EXCP_NONE = -1,
529: EXCP_RESET = 0,
530: EXCP_SRESET,
531: EXCP_DSS,
532: EXCP_DINT,
1.1.1.6 root 533: EXCP_DDBL,
534: EXCP_DDBS,
1.1 root 535: EXCP_NMI,
536: EXCP_MCHECK,
1.1.1.6 root 537: EXCP_EXT_INTERRUPT, /* 8 */
1.1 root 538: EXCP_DFWATCH,
1.1.1.6 root 539: EXCP_DIB,
1.1 root 540: EXCP_IWATCH,
541: EXCP_AdEL,
542: EXCP_AdES,
543: EXCP_TLBF,
544: EXCP_IBE,
1.1.1.6 root 545: EXCP_DBp, /* 16 */
1.1 root 546: EXCP_SYSCALL,
1.1.1.6 root 547: EXCP_BREAK,
1.1.1.2 root 548: EXCP_CpU,
1.1 root 549: EXCP_RI,
550: EXCP_OVERFLOW,
551: EXCP_TRAP,
1.1.1.6 root 552: EXCP_FPE,
553: EXCP_DWATCH, /* 24 */
1.1 root 554: EXCP_LTLBL,
555: EXCP_TLBL,
556: EXCP_TLBS,
557: EXCP_DBE,
1.1.1.6 root 558: EXCP_THREAD,
559: EXCP_MDMX,
560: EXCP_C2E,
561: EXCP_CACHE, /* 32 */
562:
563: EXCP_LAST = EXCP_CACHE,
1.1 root 564: };
1.1.1.8 ! root 565: /* Dummy exception for conditional stores. */
! 566: #define EXCP_SC 0x100
1.1 root 567:
568: int cpu_mips_exec(CPUMIPSState *s);
1.1.1.6 root 569: CPUMIPSState *cpu_mips_init(const char *cpu_model);
1.1.1.7 root 570: //~ uint32_t cpu_mips_get_clock (void);
1.1.1.6 root 571: int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
1.1 root 572:
1.1.1.7 root 573: /* mips_timer.c */
574: uint32_t cpu_mips_get_random (CPUState *env);
575: uint32_t cpu_mips_get_count (CPUState *env);
576: void cpu_mips_store_count (CPUState *env, uint32_t value);
577: void cpu_mips_store_compare (CPUState *env, uint32_t value);
578: void cpu_mips_start_count(CPUState *env);
579: void cpu_mips_stop_count(CPUState *env);
580:
581: /* mips_int.c */
582: void cpu_mips_update_irq (CPUState *env);
583:
584: /* helper.c */
585: int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
586: int mmu_idx, int is_softmmu);
587: void do_interrupt (CPUState *env);
588: void r4k_invalidate_tlb (CPUState *env, int idx, int use_extra);
589:
590: static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
591: {
592: env->active_tc.PC = tb->pc;
593: env->hflags &= ~MIPS_HFLAG_BMASK;
594: env->hflags |= tb->flags & MIPS_HFLAG_BMASK;
595: }
596:
597: static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
598: target_ulong *cs_base, int *flags)
599: {
600: *pc = env->active_tc.PC;
601: *cs_base = 0;
602: *flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK);
603: }
604:
1.1.1.8 ! root 605: static inline void cpu_set_tls(CPUState *env, target_ulong newtls)
! 606: {
! 607: env->tls_value = newtls;
! 608: }
! 609:
1.1 root 610: #endif /* !defined (__MIPS_CPU_H__) */
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