diff options
Diffstat (limited to 'target/mips/cpu.h')
| -rw-r--r-- | target/mips/cpu.h | 1350 |
1 files changed, 1350 insertions, 0 deletions
diff --git a/target/mips/cpu.h b/target/mips/cpu.h new file mode 100644 index 000000000..56b1cbd09 --- /dev/null +++ b/target/mips/cpu.h @@ -0,0 +1,1350 @@ +#ifndef MIPS_CPU_H +#define MIPS_CPU_H + +#include "cpu-qom.h" +#include "exec/cpu-defs.h" +#include "fpu/softfloat-types.h" +#include "hw/clock.h" +#include "mips-defs.h" + +#define TCG_GUEST_DEFAULT_MO (0) + +typedef struct CPUMIPSTLBContext CPUMIPSTLBContext; + +/* MSA Context */ +#define MSA_WRLEN (128) + +typedef union wr_t wr_t; +union wr_t { + int8_t b[MSA_WRLEN / 8]; + int16_t h[MSA_WRLEN / 16]; + int32_t w[MSA_WRLEN / 32]; + int64_t d[MSA_WRLEN / 64]; +}; + +typedef union fpr_t fpr_t; +union fpr_t { + float64 fd; /* ieee double precision */ + float32 fs[2];/* ieee single precision */ + uint64_t d; /* binary double fixed-point */ + uint32_t w[2]; /* binary single fixed-point */ +/* FPU/MSA register mapping is not tested on big-endian hosts. */ + wr_t wr; /* vector data */ +}; +/* + *define FP_ENDIAN_IDX to access the same location + * in the fpr_t union regardless of the host endianness + */ +#if defined(HOST_WORDS_BIGENDIAN) +# define FP_ENDIAN_IDX 1 +#else +# define FP_ENDIAN_IDX 0 +#endif + +typedef struct CPUMIPSFPUContext CPUMIPSFPUContext; +struct CPUMIPSFPUContext { + /* Floating point registers */ + fpr_t fpr[32]; + float_status fp_status; + /* fpu implementation/revision register (fir) */ + uint32_t fcr0; +#define FCR0_FREP 29 +#define FCR0_UFRP 28 +#define FCR0_HAS2008 23 +#define FCR0_F64 22 +#define FCR0_L 21 +#define FCR0_W 20 +#define FCR0_3D 19 +#define FCR0_PS 18 +#define FCR0_D 17 +#define FCR0_S 16 +#define FCR0_PRID 8 +#define FCR0_REV 0 + /* fcsr */ + uint32_t fcr31_rw_bitmask; + uint32_t fcr31; +#define FCR31_FS 24 +#define FCR31_ABS2008 19 +#define FCR31_NAN2008 18 +#define SET_FP_COND(num, env) do { ((env).fcr31) |= \ + ((num) ? (1 << ((num) + 24)) : \ + (1 << 23)); \ + } while (0) +#define CLEAR_FP_COND(num, env) do { ((env).fcr31) &= \ + ~((num) ? (1 << ((num) + 24)) : \ + (1 << 23)); \ + } while (0) +#define GET_FP_COND(env) ((((env).fcr31 >> 24) & 0xfe) | \ + (((env).fcr31 >> 23) & 0x1)) +#define GET_FP_CAUSE(reg) (((reg) >> 12) & 0x3f) +#define GET_FP_ENABLE(reg) (((reg) >> 7) & 0x1f) +#define GET_FP_FLAGS(reg) (((reg) >> 2) & 0x1f) +#define SET_FP_CAUSE(reg, v) do { (reg) = ((reg) & ~(0x3f << 12)) | \ + ((v & 0x3f) << 12); \ + } while (0) +#define SET_FP_ENABLE(reg, v) do { (reg) = ((reg) & ~(0x1f << 7)) | \ + ((v & 0x1f) << 7); \ + } while (0) +#define SET_FP_FLAGS(reg, v) do { (reg) = ((reg) & ~(0x1f << 2)) | \ + ((v & 0x1f) << 2); \ + } while (0) +#define UPDATE_FP_FLAGS(reg, v) do { (reg) |= ((v & 0x1f) << 2); } while (0) +#define FP_INEXACT 1 +#define FP_UNDERFLOW 2 +#define FP_OVERFLOW 4 +#define FP_DIV0 8 +#define FP_INVALID 16 +#define FP_UNIMPLEMENTED 32 +}; + +#define TARGET_INSN_START_EXTRA_WORDS 2 + +typedef struct CPUMIPSMVPContext CPUMIPSMVPContext; +struct CPUMIPSMVPContext { + int32_t CP0_MVPControl; +#define CP0MVPCo_CPA 3 +#define CP0MVPCo_STLB 2 +#define CP0MVPCo_VPC 1 +#define CP0MVPCo_EVP 0 + int32_t CP0_MVPConf0; +#define CP0MVPC0_M 31 +#define CP0MVPC0_TLBS 29 +#define CP0MVPC0_GS 28 +#define CP0MVPC0_PCP 27 +#define CP0MVPC0_PTLBE 16 +#define CP0MVPC0_TCA 15 +#define CP0MVPC0_PVPE 10 +#define CP0MVPC0_PTC 0 + int32_t CP0_MVPConf1; +#define CP0MVPC1_CIM 31 +#define CP0MVPC1_CIF 30 +#define CP0MVPC1_PCX 20 +#define CP0MVPC1_PCP2 10 +#define CP0MVPC1_PCP1 0 +}; + +typedef struct mips_def_t mips_def_t; + +#define MIPS_SHADOW_SET_MAX 16 +#define MIPS_TC_MAX 5 +#define MIPS_FPU_MAX 1 +#define MIPS_DSP_ACC 4 +#define MIPS_KSCRATCH_NUM 6 +#define MIPS_MAAR_MAX 16 /* Must be an even number. */ + + +/* + * Summary of CP0 registers + * ======================== + * + * + * Register 0 Register 1 Register 2 Register 3 + * ---------- ---------- ---------- ---------- + * + * 0 Index Random EntryLo0 EntryLo1 + * 1 MVPControl VPEControl TCStatus GlobalNumber + * 2 MVPConf0 VPEConf0 TCBind + * 3 MVPConf1 VPEConf1 TCRestart + * 4 VPControl YQMask TCHalt + * 5 VPESchedule TCContext + * 6 VPEScheFBack TCSchedule + * 7 VPEOpt TCScheFBack TCOpt + * + * + * Register 4 Register 5 Register 6 Register 7 + * ---------- ---------- ---------- ---------- + * + * 0 Context PageMask Wired HWREna + * 1 ContextConfig PageGrain SRSConf0 + * 2 UserLocal SegCtl0 SRSConf1 + * 3 XContextConfig SegCtl1 SRSConf2 + * 4 DebugContextID SegCtl2 SRSConf3 + * 5 MemoryMapID PWBase SRSConf4 + * 6 PWField PWCtl + * 7 PWSize + * + * + * Register 8 Register 9 Register 10 Register 11 + * ---------- ---------- ----------- ----------- + * + * 0 BadVAddr Count EntryHi Compare + * 1 BadInstr + * 2 BadInstrP + * 3 BadInstrX + * 4 GuestCtl1 GuestCtl0Ext + * 5 GuestCtl2 + * 6 SAARI GuestCtl3 + * 7 SAAR + * + * + * Register 12 Register 13 Register 14 Register 15 + * ----------- ----------- ----------- ----------- + * + * 0 Status Cause EPC PRId + * 1 IntCtl EBase + * 2 SRSCtl NestedEPC CDMMBase + * 3 SRSMap CMGCRBase + * 4 View_IPL View_RIPL BEVVA + * 5 SRSMap2 NestedExc + * 6 GuestCtl0 + * 7 GTOffset + * + * + * Register 16 Register 17 Register 18 Register 19 + * ----------- ----------- ----------- ----------- + * + * 0 Config LLAddr WatchLo0 WatchHi + * 1 Config1 MAAR WatchLo1 WatchHi + * 2 Config2 MAARI WatchLo2 WatchHi + * 3 Config3 WatchLo3 WatchHi + * 4 Config4 WatchLo4 WatchHi + * 5 Config5 WatchLo5 WatchHi + * 6 Config6 WatchLo6 WatchHi + * 7 Config7 WatchLo7 WatchHi + * + * + * Register 20 Register 21 Register 22 Register 23 + * ----------- ----------- ----------- ----------- + * + * 0 XContext Debug + * 1 TraceControl + * 2 TraceControl2 + * 3 UserTraceData1 + * 4 TraceIBPC + * 5 TraceDBPC + * 6 Debug2 + * 7 + * + * + * Register 24 Register 25 Register 26 Register 27 + * ----------- ----------- ----------- ----------- + * + * 0 DEPC PerfCnt ErrCtl CacheErr + * 1 PerfCnt + * 2 TraceControl3 PerfCnt + * 3 UserTraceData2 PerfCnt + * 4 PerfCnt + * 5 PerfCnt + * 6 PerfCnt + * 7 PerfCnt + * + * + * Register 28 Register 29 Register 30 Register 31 + * ----------- ----------- ----------- ----------- + * + * 0 DataLo DataHi ErrorEPC DESAVE + * 1 TagLo TagHi + * 2 DataLo1 DataHi1 KScratch<n> + * 3 TagLo1 TagHi1 KScratch<n> + * 4 DataLo2 DataHi2 KScratch<n> + * 5 TagLo2 TagHi2 KScratch<n> + * 6 DataLo3 DataHi3 KScratch<n> + * 7 TagLo3 TagHi3 KScratch<n> + * + */ +#define CP0_REGISTER_00 0 +#define CP0_REGISTER_01 1 +#define CP0_REGISTER_02 2 +#define CP0_REGISTER_03 3 +#define CP0_REGISTER_04 4 +#define CP0_REGISTER_05 5 +#define CP0_REGISTER_06 6 +#define CP0_REGISTER_07 7 +#define CP0_REGISTER_08 8 +#define CP0_REGISTER_09 9 +#define CP0_REGISTER_10 10 +#define CP0_REGISTER_11 11 +#define CP0_REGISTER_12 12 +#define CP0_REGISTER_13 13 +#define CP0_REGISTER_14 14 +#define CP0_REGISTER_15 15 +#define CP0_REGISTER_16 16 +#define CP0_REGISTER_17 17 +#define CP0_REGISTER_18 18 +#define CP0_REGISTER_19 19 +#define CP0_REGISTER_20 20 +#define CP0_REGISTER_21 21 +#define CP0_REGISTER_22 22 +#define CP0_REGISTER_23 23 +#define CP0_REGISTER_24 24 +#define CP0_REGISTER_25 25 +#define CP0_REGISTER_26 26 +#define CP0_REGISTER_27 27 +#define CP0_REGISTER_28 28 +#define CP0_REGISTER_29 29 +#define CP0_REGISTER_30 30 +#define CP0_REGISTER_31 31 + + +/* CP0 Register 00 */ +#define CP0_REG00__INDEX 0 +#define CP0_REG00__MVPCONTROL 1 +#define CP0_REG00__MVPCONF0 2 +#define CP0_REG00__MVPCONF1 3 +#define CP0_REG00__VPCONTROL 4 +/* CP0 Register 01 */ +#define CP0_REG01__RANDOM 0 +#define CP0_REG01__VPECONTROL 1 +#define CP0_REG01__VPECONF0 2 +#define CP0_REG01__VPECONF1 3 +#define CP0_REG01__YQMASK 4 +#define CP0_REG01__VPESCHEDULE 5 +#define CP0_REG01__VPESCHEFBACK 6 +#define CP0_REG01__VPEOPT 7 +/* CP0 Register 02 */ +#define CP0_REG02__ENTRYLO0 0 +#define CP0_REG02__TCSTATUS 1 +#define CP0_REG02__TCBIND 2 +#define CP0_REG02__TCRESTART 3 +#define CP0_REG02__TCHALT 4 +#define CP0_REG02__TCCONTEXT 5 +#define CP0_REG02__TCSCHEDULE 6 +#define CP0_REG02__TCSCHEFBACK 7 +/* CP0 Register 03 */ +#define CP0_REG03__ENTRYLO1 0 +#define CP0_REG03__GLOBALNUM 1 +#define CP0_REG03__TCOPT 7 +/* CP0 Register 04 */ +#define CP0_REG04__CONTEXT 0 +#define CP0_REG04__CONTEXTCONFIG 1 +#define CP0_REG04__USERLOCAL 2 +#define CP0_REG04__XCONTEXTCONFIG 3 +#define CP0_REG04__DBGCONTEXTID 4 +#define CP0_REG04__MMID 5 +/* CP0 Register 05 */ +#define CP0_REG05__PAGEMASK 0 +#define CP0_REG05__PAGEGRAIN 1 +#define CP0_REG05__SEGCTL0 2 +#define CP0_REG05__SEGCTL1 3 +#define CP0_REG05__SEGCTL2 4 +#define CP0_REG05__PWBASE 5 +#define CP0_REG05__PWFIELD 6 +#define CP0_REG05__PWSIZE 7 +/* CP0 Register 06 */ +#define CP0_REG06__WIRED 0 +#define CP0_REG06__SRSCONF0 1 +#define CP0_REG06__SRSCONF1 2 +#define CP0_REG06__SRSCONF2 3 +#define CP0_REG06__SRSCONF3 4 +#define CP0_REG06__SRSCONF4 5 +#define CP0_REG06__PWCTL 6 +/* CP0 Register 07 */ +#define CP0_REG07__HWRENA 0 +/* CP0 Register 08 */ +#define CP0_REG08__BADVADDR 0 +#define CP0_REG08__BADINSTR 1 +#define CP0_REG08__BADINSTRP 2 +#define CP0_REG08__BADINSTRX 3 +/* CP0 Register 09 */ +#define CP0_REG09__COUNT 0 +#define CP0_REG09__SAARI 6 +#define CP0_REG09__SAAR 7 +/* CP0 Register 10 */ +#define CP0_REG10__ENTRYHI 0 +#define CP0_REG10__GUESTCTL1 4 +#define CP0_REG10__GUESTCTL2 5 +#define CP0_REG10__GUESTCTL3 6 +/* CP0 Register 11 */ +#define CP0_REG11__COMPARE 0 +#define CP0_REG11__GUESTCTL0EXT 4 +/* CP0 Register 12 */ +#define CP0_REG12__STATUS 0 +#define CP0_REG12__INTCTL 1 +#define CP0_REG12__SRSCTL 2 +#define CP0_REG12__SRSMAP 3 +#define CP0_REG12__VIEW_IPL 4 +#define CP0_REG12__SRSMAP2 5 +#define CP0_REG12__GUESTCTL0 6 +#define CP0_REG12__GTOFFSET 7 +/* CP0 Register 13 */ +#define CP0_REG13__CAUSE 0 +#define CP0_REG13__VIEW_RIPL 4 +#define CP0_REG13__NESTEDEXC 5 +/* CP0 Register 14 */ +#define CP0_REG14__EPC 0 +#define CP0_REG14__NESTEDEPC 2 +/* CP0 Register 15 */ +#define CP0_REG15__PRID 0 +#define CP0_REG15__EBASE 1 +#define CP0_REG15__CDMMBASE 2 +#define CP0_REG15__CMGCRBASE 3 +#define CP0_REG15__BEVVA 4 +/* CP0 Register 16 */ +#define CP0_REG16__CONFIG 0 +#define CP0_REG16__CONFIG1 1 +#define CP0_REG16__CONFIG2 2 +#define CP0_REG16__CONFIG3 3 +#define CP0_REG16__CONFIG4 4 +#define CP0_REG16__CONFIG5 5 +#define CP0_REG16__CONFIG6 6 +#define CP0_REG16__CONFIG7 7 +/* CP0 Register 17 */ +#define CP0_REG17__LLADDR 0 +#define CP0_REG17__MAAR 1 +#define CP0_REG17__MAARI 2 +/* CP0 Register 18 */ +#define CP0_REG18__WATCHLO0 0 +#define CP0_REG18__WATCHLO1 1 +#define CP0_REG18__WATCHLO2 2 +#define CP0_REG18__WATCHLO3 3 +#define CP0_REG18__WATCHLO4 4 +#define CP0_REG18__WATCHLO5 5 +#define CP0_REG18__WATCHLO6 6 +#define CP0_REG18__WATCHLO7 7 +/* CP0 Register 19 */ +#define CP0_REG19__WATCHHI0 0 +#define CP0_REG19__WATCHHI1 1 +#define CP0_REG19__WATCHHI2 2 +#define CP0_REG19__WATCHHI3 3 +#define CP0_REG19__WATCHHI4 4 +#define CP0_REG19__WATCHHI5 5 +#define CP0_REG19__WATCHHI6 6 +#define CP0_REG19__WATCHHI7 7 +/* CP0 Register 20 */ +#define CP0_REG20__XCONTEXT 0 +/* CP0 Register 21 */ +/* CP0 Register 22 */ +/* CP0 Register 23 */ +#define CP0_REG23__DEBUG 0 +#define CP0_REG23__TRACECONTROL 1 +#define CP0_REG23__TRACECONTROL2 2 +#define CP0_REG23__USERTRACEDATA1 3 +#define CP0_REG23__TRACEIBPC 4 +#define CP0_REG23__TRACEDBPC 5 +#define CP0_REG23__DEBUG2 6 +/* CP0 Register 24 */ +#define CP0_REG24__DEPC 0 +/* CP0 Register 25 */ +#define CP0_REG25__PERFCTL0 0 +#define CP0_REG25__PERFCNT0 1 +#define CP0_REG25__PERFCTL1 2 +#define CP0_REG25__PERFCNT1 3 +#define CP0_REG25__PERFCTL2 4 +#define CP0_REG25__PERFCNT2 5 +#define CP0_REG25__PERFCTL3 6 +#define CP0_REG25__PERFCNT3 7 +/* CP0 Register 26 */ +#define CP0_REG26__ERRCTL 0 +/* CP0 Register 27 */ +#define CP0_REG27__CACHERR 0 +/* CP0 Register 28 */ +#define CP0_REG28__TAGLO 0 +#define CP0_REG28__DATALO 1 +#define CP0_REG28__TAGLO1 2 +#define CP0_REG28__DATALO1 3 +#define CP0_REG28__TAGLO2 4 +#define CP0_REG28__DATALO2 5 +#define CP0_REG28__TAGLO3 6 +#define CP0_REG28__DATALO3 7 +/* CP0 Register 29 */ +#define CP0_REG29__TAGHI 0 +#define CP0_REG29__DATAHI 1 +#define CP0_REG29__TAGHI1 2 +#define CP0_REG29__DATAHI1 3 +#define CP0_REG29__TAGHI2 4 +#define CP0_REG29__DATAHI2 5 +#define CP0_REG29__TAGHI3 6 +#define CP0_REG29__DATAHI3 7 +/* CP0 Register 30 */ +#define CP0_REG30__ERROREPC 0 +/* CP0 Register 31 */ +#define CP0_REG31__DESAVE 0 +#define CP0_REG31__KSCRATCH1 2 +#define CP0_REG31__KSCRATCH2 3 +#define CP0_REG31__KSCRATCH3 4 +#define CP0_REG31__KSCRATCH4 5 +#define CP0_REG31__KSCRATCH5 6 +#define CP0_REG31__KSCRATCH6 7 + + +typedef struct TCState TCState; +struct TCState { + target_ulong gpr[32]; +#if defined(TARGET_MIPS64) + /* + * For CPUs using 128-bit GPR registers, we put the lower halves in gpr[]) + * and the upper halves in gpr_hi[]. + */ + uint64_t gpr_hi[32]; +#endif /* TARGET_MIPS64 */ + target_ulong PC; + target_ulong HI[MIPS_DSP_ACC]; + target_ulong LO[MIPS_DSP_ACC]; + target_ulong ACX[MIPS_DSP_ACC]; + target_ulong DSPControl; + int32_t CP0_TCStatus; +#define CP0TCSt_TCU3 31 +#define CP0TCSt_TCU2 30 +#define CP0TCSt_TCU1 29 +#define CP0TCSt_TCU0 28 +#define CP0TCSt_TMX 27 +#define CP0TCSt_RNST 23 +#define CP0TCSt_TDS 21 +#define CP0TCSt_DT 20 +#define CP0TCSt_DA 15 +#define CP0TCSt_A 13 +#define CP0TCSt_TKSU 11 +#define CP0TCSt_IXMT 10 +#define CP0TCSt_TASID 0 + int32_t CP0_TCBind; +#define CP0TCBd_CurTC 21 +#define CP0TCBd_TBE 17 +#define CP0TCBd_CurVPE 0 + target_ulong CP0_TCHalt; + target_ulong CP0_TCContext; + target_ulong CP0_TCSchedule; + target_ulong CP0_TCScheFBack; + int32_t CP0_Debug_tcstatus; + target_ulong CP0_UserLocal; + + int32_t msacsr; + +#define MSACSR_FS 24 +#define MSACSR_FS_MASK (1 << MSACSR_FS) +#define MSACSR_NX 18 +#define MSACSR_NX_MASK (1 << MSACSR_NX) +#define MSACSR_CEF 2 +#define MSACSR_CEF_MASK (0xffff << MSACSR_CEF) +#define MSACSR_RM 0 +#define MSACSR_RM_MASK (0x3 << MSACSR_RM) +#define MSACSR_MASK (MSACSR_RM_MASK | MSACSR_CEF_MASK | MSACSR_NX_MASK | \ + MSACSR_FS_MASK) + + float_status msa_fp_status; + +#define NUMBER_OF_MXU_REGISTERS 16 + target_ulong mxu_gpr[NUMBER_OF_MXU_REGISTERS - 1]; + target_ulong mxu_cr; +#define MXU_CR_LC 31 +#define MXU_CR_RC 30 +#define MXU_CR_BIAS 2 +#define MXU_CR_RD_EN 1 +#define MXU_CR_MXU_EN 0 + +}; + +struct MIPSITUState; +typedef struct CPUMIPSState CPUMIPSState; +struct CPUMIPSState { + TCState active_tc; + CPUMIPSFPUContext active_fpu; + + uint32_t current_tc; + uint32_t current_fpu; + + uint32_t SEGBITS; + uint32_t PABITS; +#if defined(TARGET_MIPS64) +# define PABITS_BASE 36 +#else +# define PABITS_BASE 32 +#endif + target_ulong SEGMask; + uint64_t PAMask; +#define PAMASK_BASE ((1ULL << PABITS_BASE) - 1) + + int32_t msair; +#define MSAIR_ProcID 8 +#define MSAIR_Rev 0 + +/* + * CP0 Register 0 + */ + int32_t CP0_Index; + /* CP0_MVP* are per MVP registers. */ + int32_t CP0_VPControl; +#define CP0VPCtl_DIS 0 +/* + * CP0 Register 1 + */ + int32_t CP0_Random; + int32_t CP0_VPEControl; +#define CP0VPECo_YSI 21 +#define CP0VPECo_GSI 20 +#define CP0VPECo_EXCPT 16 +#define CP0VPECo_TE 15 +#define CP0VPECo_TargTC 0 + int32_t CP0_VPEConf0; +#define CP0VPEC0_M 31 +#define CP0VPEC0_XTC 21 +#define CP0VPEC0_TCS 19 +#define CP0VPEC0_SCS 18 +#define CP0VPEC0_DSC 17 +#define CP0VPEC0_ICS 16 +#define CP0VPEC0_MVP 1 +#define CP0VPEC0_VPA 0 + int32_t CP0_VPEConf1; +#define CP0VPEC1_NCX 20 +#define CP0VPEC1_NCP2 10 +#define CP0VPEC1_NCP1 0 + target_ulong CP0_YQMask; + target_ulong CP0_VPESchedule; + target_ulong CP0_VPEScheFBack; + int32_t CP0_VPEOpt; +#define CP0VPEOpt_IWX7 15 +#define CP0VPEOpt_IWX6 14 +#define CP0VPEOpt_IWX5 13 +#define CP0VPEOpt_IWX4 12 +#define CP0VPEOpt_IWX3 11 +#define CP0VPEOpt_IWX2 10 +#define CP0VPEOpt_IWX1 9 +#define CP0VPEOpt_IWX0 8 +#define CP0VPEOpt_DWX7 7 +#define CP0VPEOpt_DWX6 6 +#define CP0VPEOpt_DWX5 5 +#define CP0VPEOpt_DWX4 4 +#define CP0VPEOpt_DWX3 3 +#define CP0VPEOpt_DWX2 2 +#define CP0VPEOpt_DWX1 1 +#define CP0VPEOpt_DWX0 0 +/* + * CP0 Register 2 + */ + uint64_t CP0_EntryLo0; +/* + * CP0 Register 3 + */ + uint64_t CP0_EntryLo1; +#if defined(TARGET_MIPS64) +# define CP0EnLo_RI 63 +# define CP0EnLo_XI 62 +#else +# define CP0EnLo_RI 31 +# define CP0EnLo_XI 30 +#endif + int32_t CP0_GlobalNumber; +#define CP0GN_VPId 0 +/* + * CP0 Register 4 + */ + target_ulong CP0_Context; + int32_t CP0_MemoryMapID; +/* + * CP0 Register 5 + */ + int32_t CP0_PageMask; +#define CP0PM_MASK 13 + int32_t CP0_PageGrain_rw_bitmask; + int32_t CP0_PageGrain; +#define CP0PG_RIE 31 +#define CP0PG_XIE 30 +#define CP0PG_ELPA 29 +#define CP0PG_IEC 27 + target_ulong CP0_SegCtl0; + target_ulong CP0_SegCtl1; + target_ulong CP0_SegCtl2; +#define CP0SC_PA 9 +#define CP0SC_PA_MASK (0x7FULL << CP0SC_PA) +#define CP0SC_PA_1GMASK (0x7EULL << CP0SC_PA) +#define CP0SC_AM 4 +#define CP0SC_AM_MASK (0x7ULL << CP0SC_AM) +#define CP0SC_AM_UK 0ULL +#define CP0SC_AM_MK 1ULL +#define CP0SC_AM_MSK 2ULL +#define CP0SC_AM_MUSK 3ULL +#define CP0SC_AM_MUSUK 4ULL +#define CP0SC_AM_USK 5ULL +#define CP0SC_AM_UUSK 7ULL +#define CP0SC_EU 3 +#define CP0SC_EU_MASK (1ULL << CP0SC_EU) +#define CP0SC_C 0 +#define CP0SC_C_MASK (0x7ULL << CP0SC_C) +#define CP0SC_MASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \ + CP0SC_PA_MASK) +#define CP0SC_1GMASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \ + CP0SC_PA_1GMASK) +#define CP0SC0_MASK (CP0SC_MASK | (CP0SC_MASK << 16)) +#define CP0SC1_XAM 59 +#define CP0SC1_XAM_MASK (0x7ULL << CP0SC1_XAM) +#define CP0SC1_MASK (CP0SC_MASK | (CP0SC_MASK << 16) | CP0SC1_XAM_MASK) +#define CP0SC2_XR 56 +#define CP0SC2_XR_MASK (0xFFULL << CP0SC2_XR) +#define CP0SC2_MASK (CP0SC_1GMASK | (CP0SC_1GMASK << 16) | CP0SC2_XR_MASK) + target_ulong CP0_PWBase; + target_ulong CP0_PWField; +#if defined(TARGET_MIPS64) +#define CP0PF_BDI 32 /* 37..32 */ +#define CP0PF_GDI 24 /* 29..24 */ +#define CP0PF_UDI 18 /* 23..18 */ +#define CP0PF_MDI 12 /* 17..12 */ +#define CP0PF_PTI 6 /* 11..6 */ +#define CP0PF_PTEI 0 /* 5..0 */ +#else +#define CP0PF_GDW 24 /* 29..24 */ +#define CP0PF_UDW 18 /* 23..18 */ +#define CP0PF_MDW 12 /* 17..12 */ +#define CP0PF_PTW 6 /* 11..6 */ +#define CP0PF_PTEW 0 /* 5..0 */ +#endif + target_ulong CP0_PWSize; +#if defined(TARGET_MIPS64) +#define CP0PS_BDW 32 /* 37..32 */ +#endif +#define CP0PS_PS 30 +#define CP0PS_GDW 24 /* 29..24 */ +#define CP0PS_UDW 18 /* 23..18 */ +#define CP0PS_MDW 12 /* 17..12 */ +#define CP0PS_PTW 6 /* 11..6 */ +#define CP0PS_PTEW 0 /* 5..0 */ +/* + * CP0 Register 6 + */ + int32_t CP0_Wired; + int32_t CP0_PWCtl; +#define CP0PC_PWEN 31 +#if defined(TARGET_MIPS64) +#define CP0PC_PWDIREXT 30 +#define CP0PC_XK 28 +#define CP0PC_XS 27 +#define CP0PC_XU 26 +#endif +#define CP0PC_DPH 7 +#define CP0PC_HUGEPG 6 +#define CP0PC_PSN 0 /* 5..0 */ + int32_t CP0_SRSConf0_rw_bitmask; + int32_t CP0_SRSConf0; +#define CP0SRSC0_M 31 +#define CP0SRSC0_SRS3 20 +#define CP0SRSC0_SRS2 10 +#define CP0SRSC0_SRS1 0 + int32_t CP0_SRSConf1_rw_bitmask; + int32_t CP0_SRSConf1; +#define CP0SRSC1_M 31 +#define CP0SRSC1_SRS6 20 +#define CP0SRSC1_SRS5 10 +#define CP0SRSC1_SRS4 0 + int32_t CP0_SRSConf2_rw_bitmask; + int32_t CP0_SRSConf2; +#define CP0SRSC2_M 31 +#define CP0SRSC2_SRS9 20 +#define CP0SRSC2_SRS8 10 +#define CP0SRSC2_SRS7 0 + int32_t CP0_SRSConf3_rw_bitmask; + int32_t CP0_SRSConf3; +#define CP0SRSC3_M 31 +#define CP0SRSC3_SRS12 20 +#define CP0SRSC3_SRS11 10 +#define CP0SRSC3_SRS10 0 + int32_t CP0_SRSConf4_rw_bitmask; + int32_t CP0_SRSConf4; +#define CP0SRSC4_SRS15 20 +#define CP0SRSC4_SRS14 10 +#define CP0SRSC4_SRS13 0 +/* + * CP0 Register 7 + */ + int32_t CP0_HWREna; +/* + * CP0 Register 8 + */ + target_ulong CP0_BadVAddr; + uint32_t CP0_BadInstr; + uint32_t CP0_BadInstrP; + uint32_t CP0_BadInstrX; +/* + * CP0 Register 9 + */ + int32_t CP0_Count; + uint32_t CP0_SAARI; +#define CP0SAARI_TARGET 0 /* 5..0 */ + uint64_t CP0_SAAR[2]; +#define CP0SAAR_BASE 12 /* 43..12 */ +#define CP0SAAR_SIZE 1 /* 5..1 */ +#define CP0SAAR_EN 0 +/* + * CP0 Register 10 + */ + target_ulong CP0_EntryHi; +#define CP0EnHi_EHINV 10 + target_ulong CP0_EntryHi_ASID_mask; +/* + * CP0 Register 11 + */ + int32_t CP0_Compare; +/* + * CP0 Register 12 + */ + int32_t CP0_Status; +#define CP0St_CU3 31 +#define CP0St_CU2 30 +#define CP0St_CU1 29 +#define CP0St_CU0 28 +#define CP0St_RP 27 +#define CP0St_FR 26 +#define CP0St_RE 25 +#define CP0St_MX 24 +#define CP0St_PX 23 +#define CP0St_BEV 22 +#define CP0St_TS 21 +#define CP0St_SR 20 +#define CP0St_NMI 19 +#define CP0St_IM 8 +#define CP0St_KX 7 +#define CP0St_SX 6 +#define CP0St_UX 5 +#define CP0St_KSU 3 +#define CP0St_ERL 2 +#define CP0St_EXL 1 +#define CP0St_IE 0 + int32_t CP0_IntCtl; +#define CP0IntCtl_IPTI 29 +#define CP0IntCtl_IPPCI 26 +#define CP0IntCtl_VS 5 + int32_t CP0_SRSCtl; +#define CP0SRSCtl_HSS 26 +#define CP0SRSCtl_EICSS 18 +#define CP0SRSCtl_ESS 12 +#define CP0SRSCtl_PSS 6 +#define CP0SRSCtl_CSS 0 + int32_t CP0_SRSMap; +#define CP0SRSMap_SSV7 28 +#define CP0SRSMap_SSV6 24 +#define CP0SRSMap_SSV5 20 +#define CP0SRSMap_SSV4 16 +#define CP0SRSMap_SSV3 12 +#define CP0SRSMap_SSV2 8 +#define CP0SRSMap_SSV1 4 +#define CP0SRSMap_SSV0 0 +/* + * CP0 Register 13 + */ + int32_t CP0_Cause; +#define CP0Ca_BD 31 +#define CP0Ca_TI 30 +#define CP0Ca_CE 28 +#define CP0Ca_DC 27 +#define CP0Ca_PCI 26 +#define CP0Ca_IV 23 +#define CP0Ca_WP 22 +#define CP0Ca_IP 8 +#define CP0Ca_IP_mask 0x0000FF00 +#define CP0Ca_EC 2 +/* + * CP0 Register 14 + */ + target_ulong CP0_EPC; +/* + * CP0 Register 15 + */ + int32_t CP0_PRid; + target_ulong CP0_EBase; + target_ulong CP0_EBaseWG_rw_bitmask; +#define CP0EBase_WG 11 + target_ulong CP0_CMGCRBase; +/* + * CP0 Register 16 (after Release 1) + */ + int32_t CP0_Config0; +#define CP0C0_M 31 +#define CP0C0_K23 28 /* 30..28 */ +#define CP0C0_KU 25 /* 27..25 */ +#define CP0C0_MDU 20 +#define CP0C0_MM 18 +#define CP0C0_BM 16 +#define CP0C0_Impl 16 /* 24..16 */ +#define CP0C0_BE 15 +#define CP0C0_AT 13 /* 14..13 */ +#define CP0C0_AR 10 /* 12..10 */ +#define CP0C0_MT 7 /* 9..7 */ +#define CP0C0_VI 3 +#define CP0C0_K0 0 /* 2..0 */ +#define CP0C0_AR_LENGTH 3 +/* + * CP0 Register 16 (before Release 1) + */ +#define CP0C0_Impl 16 /* 24..16 */ +#define CP0C0_IC 9 /* 11..9 */ +#define CP0C0_DC 6 /* 8..6 */ +#define CP0C0_IB 5 +#define CP0C0_DB 4 + int32_t CP0_Config1; +#define CP0C1_M 31 +#define CP0C1_MMU 25 /* 30..25 */ +#define CP0C1_IS 22 /* 24..22 */ +#define CP0C1_IL 19 /* 21..19 */ +#define CP0C1_IA 16 /* 18..16 */ +#define CP0C1_DS 13 /* 15..13 */ +#define CP0C1_DL 10 /* 12..10 */ +#define CP0C1_DA 7 /* 9..7 */ +#define CP0C1_C2 6 +#define CP0C1_MD 5 +#define CP0C1_PC 4 +#define CP0C1_WR 3 +#define CP0C1_CA 2 +#define CP0C1_EP 1 +#define CP0C1_FP 0 + int32_t CP0_Config2; +#define CP0C2_M 31 +#define CP0C2_TU 28 /* 30..28 */ +#define CP0C2_TS 24 /* 27..24 */ +#define CP0C2_TL 20 /* 23..20 */ +#define CP0C2_TA 16 /* 19..16 */ +#define CP0C2_SU 12 /* 15..12 */ +#define CP0C2_SS 8 /* 11..8 */ +#define CP0C2_SL 4 /* 7..4 */ +#define CP0C2_SA 0 /* 3..0 */ + int32_t CP0_Config3; +#define CP0C3_M 31 +#define CP0C3_BPG 30 +#define CP0C3_CMGCR 29 +#define CP0C3_MSAP 28 +#define CP0C3_BP 27 +#define CP0C3_BI 26 +#define CP0C3_SC 25 +#define CP0C3_PW 24 +#define CP0C3_VZ 23 +#define CP0C3_IPLV 21 /* 22..21 */ +#define CP0C3_MMAR 18 /* 20..18 */ +#define CP0C3_MCU 17 +#define CP0C3_ISA_ON_EXC 16 +#define CP0C3_ISA 14 /* 15..14 */ +#define CP0C3_ULRI 13 +#define CP0C3_RXI 12 +#define CP0C3_DSP2P 11 +#define CP0C3_DSPP 10 +#define CP0C3_CTXTC 9 +#define CP0C3_ITL 8 +#define CP0C3_LPA 7 +#define CP0C3_VEIC 6 +#define CP0C3_VInt 5 +#define CP0C3_SP 4 +#define CP0C3_CDMM 3 +#define CP0C3_MT 2 +#define CP0C3_SM 1 +#define CP0C3_TL 0 + int32_t CP0_Config4; + int32_t CP0_Config4_rw_bitmask; +#define CP0C4_M 31 +#define CP0C4_IE 29 /* 30..29 */ +#define CP0C4_AE 28 +#define CP0C4_VTLBSizeExt 24 /* 27..24 */ +#define CP0C4_KScrExist 16 +#define CP0C4_MMUExtDef 14 +#define CP0C4_FTLBPageSize 8 /* 12..8 */ +/* bit layout if MMUExtDef=1 */ +#define CP0C4_MMUSizeExt 0 /* 7..0 */ +/* bit layout if MMUExtDef=2 */ +#define CP0C4_FTLBWays 4 /* 7..4 */ +#define CP0C4_FTLBSets 0 /* 3..0 */ + int32_t CP0_Config5; + int32_t CP0_Config5_rw_bitmask; +#define CP0C5_M 31 +#define CP0C5_K 30 +#define CP0C5_CV 29 +#define CP0C5_EVA 28 +#define CP0C5_MSAEn 27 +#define CP0C5_PMJ 23 /* 25..23 */ +#define CP0C5_WR2 22 +#define CP0C5_NMS 21 +#define CP0C5_ULS 20 +#define CP0C5_XPA 19 +#define CP0C5_CRCP 18 +#define CP0C5_MI 17 +#define CP0C5_GI 15 /* 16..15 */ +#define CP0C5_CA2 14 +#define CP0C5_XNP 13 +#define CP0C5_DEC 11 +#define CP0C5_L2C 10 +#define CP0C5_UFE 9 +#define CP0C5_FRE 8 +#define CP0C5_VP 7 +#define CP0C5_SBRI 6 +#define CP0C5_MVH 5 +#define CP0C5_LLB 4 +#define CP0C5_MRP 3 +#define CP0C5_UFR 2 +#define CP0C5_NFExists 0 + int32_t CP0_Config6; + int32_t CP0_Config6_rw_bitmask; +#define CP0C6_BPPASS 31 +#define CP0C6_KPOS 24 +#define CP0C6_KE 23 +#define CP0C6_VTLBONLY 22 +#define CP0C6_LASX 21 +#define CP0C6_SSEN 20 +#define CP0C6_DISDRTIME 19 +#define CP0C6_PIXNUEN 18 +#define CP0C6_SCRAND 17 +#define CP0C6_LLEXCEN 16 +#define CP0C6_DISVC 15 +#define CP0C6_VCLRU 14 +#define CP0C6_DCLRU 13 +#define CP0C6_PIXUEN 12 +#define CP0C6_DISBLKLYEN 11 +#define CP0C6_UMEMUALEN 10 +#define CP0C6_SFBEN 8 +#define CP0C6_FLTINT 7 +#define CP0C6_VLTINT 6 +#define CP0C6_DISBTB 5 +#define CP0C6_STPREFCTL 2 +#define CP0C6_INSTPREF 1 +#define CP0C6_DATAPREF 0 + int32_t CP0_Config7; + int64_t CP0_Config7_rw_bitmask; +#define CP0C7_NAPCGEN 2 +#define CP0C7_UNIMUEN 1 +#define CP0C7_VFPUCGEN 0 + uint64_t CP0_LLAddr; + uint64_t CP0_MAAR[MIPS_MAAR_MAX]; + int32_t CP0_MAARI; + /* XXX: Maybe make LLAddr per-TC? */ +/* + * CP0 Register 17 + */ + target_ulong lladdr; /* LL virtual address compared against SC */ + target_ulong llval; + uint64_t llval_wp; + uint32_t llnewval_wp; + uint64_t CP0_LLAddr_rw_bitmask; + int CP0_LLAddr_shift; +/* + * CP0 Register 18 + */ + target_ulong CP0_WatchLo[8]; +/* + * CP0 Register 19 + */ + uint64_t CP0_WatchHi[8]; +#define CP0WH_ASID 16 +/* + * CP0 Register 20 + */ + target_ulong CP0_XContext; + int32_t CP0_Framemask; +/* + * CP0 Register 23 + */ + int32_t CP0_Debug; +#define CP0DB_DBD 31 +#define CP0DB_DM 30 +#define CP0DB_LSNM 28 +#define CP0DB_Doze 27 +#define CP0DB_Halt 26 +#define CP0DB_CNT 25 +#define CP0DB_IBEP 24 +#define CP0DB_DBEP 21 +#define CP0DB_IEXI 20 +#define CP0DB_VER 15 +#define CP0DB_DEC 10 +#define CP0DB_SSt 8 +#define CP0DB_DINT 5 +#define CP0DB_DIB 4 +#define CP0DB_DDBS 3 +#define CP0DB_DDBL 2 +#define CP0DB_DBp 1 +#define CP0DB_DSS 0 +/* + * CP0 Register 24 + */ + target_ulong CP0_DEPC; +/* + * CP0 Register 25 + */ + int32_t CP0_Performance0; +/* + * CP0 Register 26 + */ + int32_t CP0_ErrCtl; +#define CP0EC_WST 29 +#define CP0EC_SPR 28 +#define CP0EC_ITC 26 +/* + * CP0 Register 28 + */ + uint64_t CP0_TagLo; + int32_t CP0_DataLo; +/* + * CP0 Register 29 + */ + int32_t CP0_TagHi; + int32_t CP0_DataHi; +/* + * CP0 Register 30 + */ + target_ulong CP0_ErrorEPC; +/* + * CP0 Register 31 + */ + int32_t CP0_DESAVE; + target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM]; + + /* We waste some space so we can handle shadow registers like TCs. */ + TCState tcs[MIPS_SHADOW_SET_MAX]; + CPUMIPSFPUContext fpus[MIPS_FPU_MAX]; + /* QEMU */ + int error_code; +#define EXCP_TLB_NOMATCH 0x1 +#define EXCP_INST_NOTAVAIL 0x2 /* No valid instruction word for BadInstr */ + uint32_t hflags; /* CPU State */ + /* TMASK defines different execution modes */ +#define MIPS_HFLAG_TMASK 0x1F5807FF +#define MIPS_HFLAG_MODE 0x00007 /* execution modes */ + /* + * The KSU flags must be the lowest bits in hflags. The flag order + * must be the same as defined for CP0 Status. This allows to use + * the bits as the value of mmu_idx. + */ +#define MIPS_HFLAG_KSU 0x00003 /* kernel/supervisor/user mode mask */ +#define MIPS_HFLAG_UM 0x00002 /* user mode flag */ +#define MIPS_HFLAG_SM 0x00001 /* supervisor mode flag */ +#define MIPS_HFLAG_KM 0x00000 /* kernel mode flag */ +#define MIPS_HFLAG_DM 0x00004 /* Debug mode */ +#define MIPS_HFLAG_64 0x00008 /* 64-bit instructions enabled */ +#define MIPS_HFLAG_CP0 0x00010 /* CP0 enabled */ +#define MIPS_HFLAG_FPU 0x00020 /* FPU enabled */ +#define MIPS_HFLAG_F64 0x00040 /* 64-bit FPU enabled */ + /* + * True if the MIPS IV COP1X instructions can be used. This also + * controls the non-COP1X instructions RECIP.S, RECIP.D, RSQRT.S + * and RSQRT.D. + */ +#define MIPS_HFLAG_COP1X 0x00080 /* COP1X instructions enabled */ +#define MIPS_HFLAG_RE 0x00100 /* Reversed endianness */ +#define MIPS_HFLAG_AWRAP 0x00200 /* 32-bit compatibility address wrapping */ +#define MIPS_HFLAG_M16 0x00400 /* MIPS16 mode flag */ +#define MIPS_HFLAG_M16_SHIFT 10 + /* + * If translation is interrupted between the branch instruction and + * the delay slot, record what type of branch it is so that we can + * resume translation properly. It might be possible to reduce + * this from three bits to two. + */ +#define MIPS_HFLAG_BMASK_BASE 0x803800 +#define MIPS_HFLAG_B 0x00800 /* Unconditional branch */ +#define MIPS_HFLAG_BC 0x01000 /* Conditional branch */ +#define MIPS_HFLAG_BL 0x01800 /* Likely branch */ +#define MIPS_HFLAG_BR 0x02000 /* branch to register (can't link TB) */ + /* Extra flags about the current pending branch. */ +#define MIPS_HFLAG_BMASK_EXT 0x7C000 +#define MIPS_HFLAG_B16 0x04000 /* branch instruction was 16 bits */ +#define MIPS_HFLAG_BDS16 0x08000 /* branch requires 16-bit delay slot */ +#define MIPS_HFLAG_BDS32 0x10000 /* branch requires 32-bit delay slot */ +#define MIPS_HFLAG_BDS_STRICT 0x20000 /* Strict delay slot size */ +#define MIPS_HFLAG_BX 0x40000 /* branch exchanges execution mode */ +#define MIPS_HFLAG_BMASK (MIPS_HFLAG_BMASK_BASE | MIPS_HFLAG_BMASK_EXT) + /* MIPS DSP resources access. */ +#define MIPS_HFLAG_DSP 0x080000 /* Enable access to DSP resources. */ +#define MIPS_HFLAG_DSP_R2 0x100000 /* Enable access to DSP R2 resources. */ +#define MIPS_HFLAG_DSP_R3 0x20000000 /* Enable access to DSP R3 resources. */ + /* Extra flag about HWREna register. */ +#define MIPS_HFLAG_HWRENA_ULR 0x200000 /* ULR bit from HWREna is set. */ +#define MIPS_HFLAG_SBRI 0x400000 /* R6 SDBBP causes RI excpt. in user mode */ +#define MIPS_HFLAG_FBNSLOT 0x800000 /* Forbidden slot */ +#define MIPS_HFLAG_MSA 0x1000000 +#define MIPS_HFLAG_FRE 0x2000000 /* FRE enabled */ +#define MIPS_HFLAG_ELPA 0x4000000 +#define MIPS_HFLAG_ITC_CACHE 0x8000000 /* CACHE instr. operates on ITC tag */ +#define MIPS_HFLAG_ERL 0x10000000 /* error level flag */ + target_ulong btarget; /* Jump / branch target */ + target_ulong bcond; /* Branch condition (if needed) */ + + int SYNCI_Step; /* Address step size for SYNCI */ + int CCRes; /* Cycle count resolution/divisor */ + uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */ + uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */ + uint64_t insn_flags; /* Supported instruction set */ + int saarp; + + /* Fields up to this point are cleared by a CPU reset */ + struct {} end_reset_fields; + + /* Fields from here on are preserved across CPU reset. */ + CPUMIPSMVPContext *mvp; +#if !defined(CONFIG_USER_ONLY) + CPUMIPSTLBContext *tlb; + void *irq[8]; + struct MIPSITUState *itu; + MemoryRegion *itc_tag; /* ITC Configuration Tags */ +#endif + + const mips_def_t *cpu_model; + QEMUTimer *timer; /* Internal timer */ + target_ulong exception_base; /* ExceptionBase input to the core */ + uint64_t cp0_count_ns; /* CP0_Count clock period (in nanoseconds) */ +}; + +/** + * MIPSCPU: + * @env: #CPUMIPSState + * @clock: this CPU input clock (may be connected + * to an output clock from another device). + * @cp0_count_rate: rate at which the coprocessor 0 counter increments + * + * A MIPS CPU. + */ +struct MIPSCPU { + /*< private >*/ + CPUState parent_obj; + /*< public >*/ + + Clock *clock; + CPUNegativeOffsetState neg; + CPUMIPSState env; + /* + * The Count register acts as a timer, incrementing at a constant rate, + * whether or not an instruction is executed, retired, or any forward + * progress is made through the pipeline. The rate at which the counter + * increments is implementation dependent, and is a function of the + * pipeline clock of the processor, not the issue width of the processor. + */ + unsigned cp0_count_rate; +}; + + +void mips_cpu_list(void); + +#define cpu_list mips_cpu_list + +extern void cpu_wrdsp(uint32_t rs, uint32_t mask_num, CPUMIPSState *env); +extern uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env); + +/* + * MMU modes definitions. We carefully match the indices with our + * hflags layout. + */ +#define MMU_USER_IDX 2 + +static inline int hflags_mmu_index(uint32_t hflags) +{ + if (hflags & MIPS_HFLAG_ERL) { + return 3; /* ERL */ + } else { + return hflags & MIPS_HFLAG_KSU; + } +} + +static inline int cpu_mmu_index(CPUMIPSState *env, bool ifetch) +{ + return hflags_mmu_index(env->hflags); +} + +typedef CPUMIPSState CPUArchState; +typedef MIPSCPU ArchCPU; + +#include "exec/cpu-all.h" + +/* Exceptions */ +enum { + EXCP_NONE = -1, + EXCP_RESET = 0, + EXCP_SRESET, + EXCP_DSS, + EXCP_DINT, + EXCP_DDBL, + EXCP_DDBS, + EXCP_NMI, + EXCP_MCHECK, + EXCP_EXT_INTERRUPT, /* 8 */ + EXCP_DFWATCH, + EXCP_DIB, + EXCP_IWATCH, + EXCP_AdEL, + EXCP_AdES, + EXCP_TLBF, + EXCP_IBE, + EXCP_DBp, /* 16 */ + EXCP_SYSCALL, + EXCP_BREAK, + EXCP_CpU, + EXCP_RI, + EXCP_OVERFLOW, + EXCP_TRAP, + EXCP_FPE, + EXCP_DWATCH, /* 24 */ + EXCP_LTLBL, + EXCP_TLBL, + EXCP_TLBS, + EXCP_DBE, + EXCP_THREAD, + EXCP_MDMX, + EXCP_C2E, + EXCP_CACHE, /* 32 */ + EXCP_DSPDIS, + EXCP_MSADIS, + EXCP_MSAFPE, + EXCP_TLBXI, + EXCP_TLBRI, + + EXCP_LAST = EXCP_TLBRI, +}; + +/* + * This is an internally generated WAKE request line. + * It is driven by the CPU itself. Raised when the MT + * block wants to wake a VPE from an inactive state and + * cleared when VPE goes from active to inactive. + */ +#define CPU_INTERRUPT_WAKE CPU_INTERRUPT_TGT_INT_0 + +#define MIPS_CPU_TYPE_SUFFIX "-" TYPE_MIPS_CPU +#define MIPS_CPU_TYPE_NAME(model) model MIPS_CPU_TYPE_SUFFIX +#define CPU_RESOLVING_TYPE TYPE_MIPS_CPU + +bool cpu_type_supports_cps_smp(const char *cpu_type); +bool cpu_supports_isa(const CPUMIPSState *env, uint64_t isa_mask); +bool cpu_type_supports_isa(const char *cpu_type, uint64_t isa); + +/* Check presence of MSA implementation */ +static inline bool ase_msa_available(CPUMIPSState *env) +{ + return env->CP0_Config3 & (1 << CP0C3_MSAP); +} + +/* Check presence of multi-threading ASE implementation */ +static inline bool ase_mt_available(CPUMIPSState *env) +{ + return env->CP0_Config3 & (1 << CP0C3_MT); +} + +static inline bool cpu_type_is_64bit(const char *cpu_type) +{ + return cpu_type_supports_isa(cpu_type, CPU_MIPS64); +} + +void cpu_set_exception_base(int vp_index, target_ulong address); + +/* addr.c */ +uint64_t cpu_mips_kseg0_to_phys(void *opaque, uint64_t addr); +uint64_t cpu_mips_phys_to_kseg0(void *opaque, uint64_t addr); + +uint64_t cpu_mips_kvm_um_phys_to_kseg0(void *opaque, uint64_t addr); +uint64_t cpu_mips_kseg1_to_phys(void *opaque, uint64_t addr); +uint64_t cpu_mips_phys_to_kseg1(void *opaque, uint64_t addr); +bool mips_um_ksegs_enabled(void); +void mips_um_ksegs_enable(void); + +#if !defined(CONFIG_USER_ONLY) + +/* mips_int.c */ +void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level); + +/* mips_itu.c */ +void itc_reconfigure(struct MIPSITUState *tag); + +#endif /* !CONFIG_USER_ONLY */ + +/* helper.c */ +target_ulong exception_resume_pc(CPUMIPSState *env); + +static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc, + target_ulong *cs_base, uint32_t *flags) +{ + *pc = env->active_tc.PC; + *cs_base = 0; + *flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK | + MIPS_HFLAG_HWRENA_ULR); +} + +/** + * mips_cpu_create_with_clock: + * @typename: a MIPS CPU type. + * @cpu_refclk: this cpu input clock (an output clock of another device) + * + * Instantiates a MIPS CPU, set the input clock of the CPU to @cpu_refclk, + * then realizes the CPU. + * + * Returns: A #CPUState or %NULL if an error occurred. + */ +MIPSCPU *mips_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk); + +#endif /* MIPS_CPU_H */ |