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unicorn/qemu/target/mips/cpu.h
Richard Henderson 8f53f09a05
cpu: Introduce CPUNegativeOffsetState 
Nothing in there so far, but all of the plumbing done
within the target ArchCPU state.

Backports commit 5b146dc716cfd247f99556c04e6e46fbd67565a0 from qemu
2019-06-13 15:08:25 -04:00

1212 lines
36 KiB
C
Raw Blame History

#ifndef MIPS_CPU_H
#define MIPS_CPU_H
#define ALIGNED_ONLY
#include "config.h"
#include "qemu-common.h"
#include "cpu-qom.h"
#include "exec/cpu-defs.h"
#include "fpu/softfloat.h"
#include "mips-defs.h"
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 WatchLo WatchHi
* 1 Config1 MAAR WatchLo WatchHi
* 2 Config2 MAARI WatchLo WatchHi
* 3 Config3 WatchLo WatchHi
* 4 Config4 WatchLo WatchHi
* 5 Config5 WatchLo WatchHi
* 6 WatchLo WatchHi
* 7 WatchLo 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 DataLo DataHi KScratch<n>
* 3 TagLo TagHi KScratch<n>
* 4 DataLo DataHi KScratch<n>
* 5 TagLo TagHi KScratch<n>
* 6 DataLo DataHi KScratch<n>
* 7 TagLo TagHi 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__VPCONTROL 4
/* CP0 Register 01 */
/* CP0 Register 02 */
#define CP0_REG02__ENTRYLO0 0
/* CP0 Register 03 */
#define CP0_REG03__ENTRYLO1 0
#define CP0_REG03__GLOBALNUM 1
/* CP0 Register 04 */
#define CP0_REG04__CONTEXT 0
#define CP0_REG04__USERLOCAL 2
#define CP0_REG04__DBGCONTEXTID 4
#define CP0_REG00__MMID 5
/* CP0 Register 05 */
#define CP0_REG05__PAGEMASK 0
#define CP0_REG05__PAGEGRAIN 1
/* CP0 Register 06 */
#define CP0_REG06__WIRED 0
/* 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
/* 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
/* 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__GUESTCTL0 6
#define CP0_REG12__GTOFFSET 7
/* CP0 Register 13 */
#define CP0_REG13__CAUSE 0
/* CP0 Register 14 */
#define CP0_REG14__EPC 0
/* CP0 Register 15 */
#define CP0_REG15__PRID 0
#define CP0_REG15__EBASE 1
#define CP0_REG15__CDMMBASE 2
#define CP0_REG15__CMGCRBASE 3
/* 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_REG00__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
/* CP0 Register 19 */
#define CP0_REG19__WATCHHI0 0
#define CP0_REG19__WATCHHI1 1
#define CP0_REG19__WATCHHI2 2
#define CP0_REG19__WATCHHI3 3
/* CP0 Register 20 */
#define CP0_REG20__XCONTEXT 0
/* CP0 Register 21 */
/* CP0 Register 22 */
/* CP0 Register 23 */
#define CP0_REG23__DEBUG 0
/* 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_REG00__ERRCTL 0
/* CP0 Register 27 */
#define CP0_REG27__CACHERR 0
/* CP0 Register 28 */
#define CP0_REG28__ITAGLO 0
#define CP0_REG28__IDATALO 1
#define CP0_REG28__DTAGLO 2
#define CP0_REG28__DDATALO 3
/* CP0 Register 29 */
#define CP0_REG29__IDATAHI 1
#define CP0_REG29__DDATAHI 3
/* 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];
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;
/* Upper 64-bit MMRs (multimedia registers); the lower 64-bit are GPRs */
uint64_t mmr[32];
#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
};
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;
target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM];
int32_t CP0_MemoryMapID;
/*
* CP0 Register 5
*/
int32_t CP0_PageMask;
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
*/
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 */
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_Config7;
uint64_t CP0_LLAddr;
uint64_t CP0_MAAR[MIPS_MAAR_MAX];
int32_t CP0_MAARI;
/*
* CP0 Register 17
*/
/* XXX: Maybe make LLAddr per-TC? */
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
*/
int32_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;
/* 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;
CPU_COMMON
/* Fields from here on are preserved across CPU reset. */
CPUMIPSMVPContext *mvp;
#if !defined(CONFIG_USER_ONLY)
CPUMIPSTLBContext *tlb;
#endif
const mips_def_t *cpu_model;
//void *irq[8];
//QEMUTimer *timer; /* Internal timer */
target_ulong exception_base; /* ExceptionBase input to the core */
MemoryRegion *itc_tag; /* ITC Configuration Tags */
// Unicorn engine
struct uc_struct *uc;
};
/**
* MIPSCPU:
* @env: #CPUMIPSState
*
* A MIPS CPU.
*/
struct MIPSCPU {
/*< private >*/
CPUState parent_obj;
/*< public >*/
CPUNegativeOffsetState neg;
CPUMIPSState env;
};
void mips_cpu_list (FILE *f, fprintf_function cpu_fprintf);
#define cpu_signal_handler cpu_mips_signal_handler
#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);
#define CPU_SAVE_VERSION 5
/*
* MMU modes definitions. We carefully match the indices with our
* hflags layout.
*/
#define MMU_MODE0_SUFFIX _kernel
#define MMU_MODE1_SUFFIX _super
#define MMU_MODE2_SUFFIX _user
#define MMU_MODE3_SUFFIX _error
#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"
/*
* Memory access type :
* may be needed for precise access rights control and precise exceptions.
*/
enum {
/* 1 bit to define user level / supervisor access */
ACCESS_USER = 0x00,
ACCESS_SUPER = 0x01,
/* 1 bit to indicate direction */
ACCESS_STORE = 0x02,
/* Type of instruction that generated the access */
ACCESS_CODE = 0x10, /* Code fetch access */
ACCESS_INT = 0x20, /* Integer load/store access */
ACCESS_FLOAT = 0x30, /* floating point load/store access */
};
/* 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
int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
bool cpu_supports_isa(struct uc_struct *uc, const char *cpu_model, uint64_t isa);
bool cpu_supports_cps_smp(struct uc_struct *uc, const char *cpu_type);
void cpu_set_exception_base(struct uc_struct *uc, int vp_index, target_ulong address);
/* mips_int.c */
void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level);
/* helper.c */
target_ulong exception_resume_pc(CPUMIPSState *env);
/* op_helper.c */
static inline void restore_snan_bit_mode(CPUMIPSState *env)
{
set_snan_bit_is_one((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) == 0,
&env->active_fpu.fp_status);
}
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);
}
#endif /* MIPS_CPU_H */
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