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1395 lines
41 KiB
C
1395 lines
41 KiB
C
#ifndef MIPS_CPU_H
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#define MIPS_CPU_H
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#include "cpu-qom.h"
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#include "exec/cpu-defs.h"
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#ifndef CONFIG_USER_ONLY
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#include "exec/memory.h"
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#endif
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#include "fpu/softfloat-types.h"
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#include "hw/clock.h"
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#include "mips-defs.h"
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typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
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/* MSA Context */
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#define MSA_WRLEN (128)
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typedef union wr_t wr_t;
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union wr_t {
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int8_t b[MSA_WRLEN / 8];
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int16_t h[MSA_WRLEN / 16];
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int32_t w[MSA_WRLEN / 32];
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int64_t d[MSA_WRLEN / 64];
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};
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typedef union fpr_t fpr_t;
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union fpr_t {
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float64 fd; /* ieee double precision */
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float32 fs[2];/* ieee single precision */
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uint64_t d; /* binary double fixed-point */
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uint32_t w[2]; /* binary single fixed-point */
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/* FPU/MSA register mapping is not tested on big-endian hosts. */
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wr_t wr; /* vector data */
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};
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/*
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*define FP_ENDIAN_IDX to access the same location
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* in the fpr_t union regardless of the host endianness
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*/
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#if HOST_BIG_ENDIAN
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# define FP_ENDIAN_IDX 1
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#else
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# define FP_ENDIAN_IDX 0
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#endif
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typedef struct CPUMIPSFPUContext CPUMIPSFPUContext;
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struct CPUMIPSFPUContext {
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/* Floating point registers */
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fpr_t fpr[32];
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float_status fp_status;
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/* fpu implementation/revision register (fir) */
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uint32_t fcr0;
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#define FCR0_FREP 29
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#define FCR0_UFRP 28
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#define FCR0_HAS2008 23
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#define FCR0_F64 22
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#define FCR0_L 21
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#define FCR0_W 20
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#define FCR0_3D 19
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#define FCR0_PS 18
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#define FCR0_D 17
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#define FCR0_S 16
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#define FCR0_PRID 8
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#define FCR0_REV 0
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/* fcsr */
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uint32_t fcr31_rw_bitmask;
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uint32_t fcr31;
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#define FCR31_FS 24
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#define FCR31_ABS2008 19
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#define FCR31_NAN2008 18
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#define SET_FP_COND(num, env) do { ((env).fcr31) |= \
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((num) ? (1 << ((num) + 24)) : \
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(1 << 23)); \
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} while (0)
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#define CLEAR_FP_COND(num, env) do { ((env).fcr31) &= \
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~((num) ? (1 << ((num) + 24)) : \
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(1 << 23)); \
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} while (0)
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#define GET_FP_COND(env) ((((env).fcr31 >> 24) & 0xfe) | \
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(((env).fcr31 >> 23) & 0x1))
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#define GET_FP_CAUSE(reg) (((reg) >> 12) & 0x3f)
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#define GET_FP_ENABLE(reg) (((reg) >> 7) & 0x1f)
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#define GET_FP_FLAGS(reg) (((reg) >> 2) & 0x1f)
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#define SET_FP_CAUSE(reg, v) do { (reg) = ((reg) & ~(0x3f << 12)) | \
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((v & 0x3f) << 12); \
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} while (0)
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#define SET_FP_ENABLE(reg, v) do { (reg) = ((reg) & ~(0x1f << 7)) | \
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((v & 0x1f) << 7); \
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} while (0)
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#define SET_FP_FLAGS(reg, v) do { (reg) = ((reg) & ~(0x1f << 2)) | \
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((v & 0x1f) << 2); \
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} while (0)
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#define UPDATE_FP_FLAGS(reg, v) do { (reg) |= ((v & 0x1f) << 2); } while (0)
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#define FP_INEXACT 1
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#define FP_UNDERFLOW 2
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#define FP_OVERFLOW 4
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#define FP_DIV0 8
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#define FP_INVALID 16
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#define FP_UNIMPLEMENTED 32
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};
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#define TARGET_INSN_START_EXTRA_WORDS 2
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typedef struct CPUMIPSMVPContext CPUMIPSMVPContext;
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struct CPUMIPSMVPContext {
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int32_t CP0_MVPControl;
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#define CP0MVPCo_CPA 3
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#define CP0MVPCo_STLB 2
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#define CP0MVPCo_VPC 1
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#define CP0MVPCo_EVP 0
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int32_t CP0_MVPConf0;
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#define CP0MVPC0_M 31
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#define CP0MVPC0_TLBS 29
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#define CP0MVPC0_GS 28
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#define CP0MVPC0_PCP 27
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#define CP0MVPC0_PTLBE 16
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#define CP0MVPC0_TCA 15
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#define CP0MVPC0_PVPE 10
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#define CP0MVPC0_PTC 0
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int32_t CP0_MVPConf1;
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#define CP0MVPC1_CIM 31
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#define CP0MVPC1_CIF 30
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#define CP0MVPC1_PCX 20
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#define CP0MVPC1_PCP2 10
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#define CP0MVPC1_PCP1 0
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};
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typedef struct mips_def_t mips_def_t;
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#define MIPS_SHADOW_SET_MAX 16
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#define MIPS_TC_MAX 5
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#define MIPS_FPU_MAX 1
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#define MIPS_DSP_ACC 4
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#define MIPS_KSCRATCH_NUM 6
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#define MIPS_MAAR_MAX 16 /* Must be an even number. */
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/*
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* Summary of CP0 registers
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* ========================
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*
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*
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* Register 0 Register 1 Register 2 Register 3
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* ---------- ---------- ---------- ----------
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*
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* 0 Index Random EntryLo0 EntryLo1
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* 1 MVPControl VPEControl TCStatus GlobalNumber
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* 2 MVPConf0 VPEConf0 TCBind
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* 3 MVPConf1 VPEConf1 TCRestart
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* 4 VPControl YQMask TCHalt
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* 5 VPESchedule TCContext
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* 6 VPEScheFBack TCSchedule
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* 7 VPEOpt TCScheFBack TCOpt
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*
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*
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* Register 4 Register 5 Register 6 Register 7
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* ---------- ---------- ---------- ----------
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*
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* 0 Context PageMask Wired HWREna
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* 1 ContextConfig PageGrain SRSConf0
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* 2 UserLocal SegCtl0 SRSConf1
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* 3 XContextConfig SegCtl1 SRSConf2
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* 4 DebugContextID SegCtl2 SRSConf3
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* 5 MemoryMapID PWBase SRSConf4
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* 6 PWField PWCtl
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* 7 PWSize
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*
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*
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* Register 8 Register 9 Register 10 Register 11
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* ---------- ---------- ----------- -----------
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*
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* 0 BadVAddr Count EntryHi Compare
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* 1 BadInstr
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* 2 BadInstrP
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* 3 BadInstrX
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* 4 GuestCtl1 GuestCtl0Ext
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* 5 GuestCtl2
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* 6 SAARI GuestCtl3
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* 7 SAAR
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*
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*
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* Register 12 Register 13 Register 14 Register 15
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* ----------- ----------- ----------- -----------
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*
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* 0 Status Cause EPC PRId
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* 1 IntCtl EBase
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* 2 SRSCtl NestedEPC CDMMBase
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* 3 SRSMap CMGCRBase
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* 4 View_IPL View_RIPL BEVVA
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* 5 SRSMap2 NestedExc
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* 6 GuestCtl0
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* 7 GTOffset
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*
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*
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* Register 16 Register 17 Register 18 Register 19
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* ----------- ----------- ----------- -----------
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*
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* 0 Config LLAddr WatchLo0 WatchHi
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* 1 Config1 MAAR WatchLo1 WatchHi
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* 2 Config2 MAARI WatchLo2 WatchHi
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* 3 Config3 WatchLo3 WatchHi
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* 4 Config4 WatchLo4 WatchHi
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* 5 Config5 WatchLo5 WatchHi
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* 6 Config6 WatchLo6 WatchHi
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* 7 Config7 WatchLo7 WatchHi
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*
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*
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* Register 20 Register 21 Register 22 Register 23
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* ----------- ----------- ----------- -----------
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*
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* 0 XContext Debug
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* 1 TraceControl
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* 2 TraceControl2
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* 3 UserTraceData1
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* 4 TraceIBPC
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* 5 TraceDBPC
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* 6 Debug2
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* 7
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*
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*
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* Register 24 Register 25 Register 26 Register 27
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* ----------- ----------- ----------- -----------
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*
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* 0 DEPC PerfCnt ErrCtl CacheErr
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* 1 PerfCnt
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* 2 TraceControl3 PerfCnt
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* 3 UserTraceData2 PerfCnt
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* 4 PerfCnt
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* 5 PerfCnt
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* 6 PerfCnt
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* 7 PerfCnt
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*
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*
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* Register 28 Register 29 Register 30 Register 31
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* ----------- ----------- ----------- -----------
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*
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* 0 DataLo DataHi ErrorEPC DESAVE
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* 1 TagLo TagHi
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* 2 DataLo1 DataHi1 KScratch<n>
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* 3 TagLo1 TagHi1 KScratch<n>
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* 4 DataLo2 DataHi2 KScratch<n>
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* 5 TagLo2 TagHi2 KScratch<n>
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* 6 DataLo3 DataHi3 KScratch<n>
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* 7 TagLo3 TagHi3 KScratch<n>
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*
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*/
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#define CP0_REGISTER_00 0
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#define CP0_REGISTER_01 1
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#define CP0_REGISTER_02 2
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#define CP0_REGISTER_03 3
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#define CP0_REGISTER_04 4
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#define CP0_REGISTER_05 5
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#define CP0_REGISTER_06 6
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#define CP0_REGISTER_07 7
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#define CP0_REGISTER_08 8
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#define CP0_REGISTER_09 9
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#define CP0_REGISTER_10 10
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#define CP0_REGISTER_11 11
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#define CP0_REGISTER_12 12
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#define CP0_REGISTER_13 13
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#define CP0_REGISTER_14 14
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#define CP0_REGISTER_15 15
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#define CP0_REGISTER_16 16
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#define CP0_REGISTER_17 17
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#define CP0_REGISTER_18 18
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#define CP0_REGISTER_19 19
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#define CP0_REGISTER_20 20
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#define CP0_REGISTER_21 21
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#define CP0_REGISTER_22 22
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#define CP0_REGISTER_23 23
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#define CP0_REGISTER_24 24
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#define CP0_REGISTER_25 25
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#define CP0_REGISTER_26 26
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#define CP0_REGISTER_27 27
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#define CP0_REGISTER_28 28
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#define CP0_REGISTER_29 29
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#define CP0_REGISTER_30 30
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#define CP0_REGISTER_31 31
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/* CP0 Register 00 */
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#define CP0_REG00__INDEX 0
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#define CP0_REG00__MVPCONTROL 1
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#define CP0_REG00__MVPCONF0 2
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#define CP0_REG00__MVPCONF1 3
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#define CP0_REG00__VPCONTROL 4
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/* CP0 Register 01 */
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#define CP0_REG01__RANDOM 0
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#define CP0_REG01__VPECONTROL 1
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#define CP0_REG01__VPECONF0 2
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#define CP0_REG01__VPECONF1 3
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#define CP0_REG01__YQMASK 4
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#define CP0_REG01__VPESCHEDULE 5
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#define CP0_REG01__VPESCHEFBACK 6
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#define CP0_REG01__VPEOPT 7
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/* CP0 Register 02 */
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#define CP0_REG02__ENTRYLO0 0
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#define CP0_REG02__TCSTATUS 1
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#define CP0_REG02__TCBIND 2
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#define CP0_REG02__TCRESTART 3
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#define CP0_REG02__TCHALT 4
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#define CP0_REG02__TCCONTEXT 5
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#define CP0_REG02__TCSCHEDULE 6
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#define CP0_REG02__TCSCHEFBACK 7
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/* CP0 Register 03 */
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#define CP0_REG03__ENTRYLO1 0
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#define CP0_REG03__GLOBALNUM 1
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#define CP0_REG03__TCOPT 7
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/* CP0 Register 04 */
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#define CP0_REG04__CONTEXT 0
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#define CP0_REG04__CONTEXTCONFIG 1
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#define CP0_REG04__USERLOCAL 2
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#define CP0_REG04__XCONTEXTCONFIG 3
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#define CP0_REG04__DBGCONTEXTID 4
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#define CP0_REG04__MMID 5
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/* CP0 Register 05 */
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#define CP0_REG05__PAGEMASK 0
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#define CP0_REG05__PAGEGRAIN 1
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#define CP0_REG05__SEGCTL0 2
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#define CP0_REG05__SEGCTL1 3
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#define CP0_REG05__SEGCTL2 4
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#define CP0_REG05__PWBASE 5
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#define CP0_REG05__PWFIELD 6
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#define CP0_REG05__PWSIZE 7
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/* CP0 Register 06 */
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#define CP0_REG06__WIRED 0
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#define CP0_REG06__SRSCONF0 1
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#define CP0_REG06__SRSCONF1 2
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#define CP0_REG06__SRSCONF2 3
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#define CP0_REG06__SRSCONF3 4
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#define CP0_REG06__SRSCONF4 5
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#define CP0_REG06__PWCTL 6
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/* CP0 Register 07 */
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#define CP0_REG07__HWRENA 0
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/* CP0 Register 08 */
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#define CP0_REG08__BADVADDR 0
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#define CP0_REG08__BADINSTR 1
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#define CP0_REG08__BADINSTRP 2
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#define CP0_REG08__BADINSTRX 3
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/* CP0 Register 09 */
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#define CP0_REG09__COUNT 0
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#define CP0_REG09__SAARI 6
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#define CP0_REG09__SAAR 7
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/* CP0 Register 10 */
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#define CP0_REG10__ENTRYHI 0
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#define CP0_REG10__GUESTCTL1 4
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#define CP0_REG10__GUESTCTL2 5
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#define CP0_REG10__GUESTCTL3 6
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/* CP0 Register 11 */
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#define CP0_REG11__COMPARE 0
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#define CP0_REG11__GUESTCTL0EXT 4
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/* CP0 Register 12 */
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#define CP0_REG12__STATUS 0
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#define CP0_REG12__INTCTL 1
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#define CP0_REG12__SRSCTL 2
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#define CP0_REG12__SRSMAP 3
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#define CP0_REG12__VIEW_IPL 4
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#define CP0_REG12__SRSMAP2 5
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#define CP0_REG12__GUESTCTL0 6
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#define CP0_REG12__GTOFFSET 7
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/* CP0 Register 13 */
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#define CP0_REG13__CAUSE 0
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#define CP0_REG13__VIEW_RIPL 4
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#define CP0_REG13__NESTEDEXC 5
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/* CP0 Register 14 */
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#define CP0_REG14__EPC 0
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#define CP0_REG14__NESTEDEPC 2
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/* CP0 Register 15 */
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#define CP0_REG15__PRID 0
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#define CP0_REG15__EBASE 1
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#define CP0_REG15__CDMMBASE 2
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#define CP0_REG15__CMGCRBASE 3
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#define CP0_REG15__BEVVA 4
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/* CP0 Register 16 */
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#define CP0_REG16__CONFIG 0
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#define CP0_REG16__CONFIG1 1
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#define CP0_REG16__CONFIG2 2
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#define CP0_REG16__CONFIG3 3
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#define CP0_REG16__CONFIG4 4
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#define CP0_REG16__CONFIG5 5
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#define CP0_REG16__CONFIG6 6
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#define CP0_REG16__CONFIG7 7
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/* CP0 Register 17 */
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#define CP0_REG17__LLADDR 0
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#define CP0_REG17__MAAR 1
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#define CP0_REG17__MAARI 2
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/* CP0 Register 18 */
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#define CP0_REG18__WATCHLO0 0
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#define CP0_REG18__WATCHLO1 1
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#define CP0_REG18__WATCHLO2 2
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#define CP0_REG18__WATCHLO3 3
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#define CP0_REG18__WATCHLO4 4
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#define CP0_REG18__WATCHLO5 5
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#define CP0_REG18__WATCHLO6 6
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#define CP0_REG18__WATCHLO7 7
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/* CP0 Register 19 */
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#define CP0_REG19__WATCHHI0 0
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#define CP0_REG19__WATCHHI1 1
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#define CP0_REG19__WATCHHI2 2
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#define CP0_REG19__WATCHHI3 3
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#define CP0_REG19__WATCHHI4 4
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#define CP0_REG19__WATCHHI5 5
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#define CP0_REG19__WATCHHI6 6
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#define CP0_REG19__WATCHHI7 7
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/* CP0 Register 20 */
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#define CP0_REG20__XCONTEXT 0
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/* CP0 Register 21 */
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/* CP0 Register 22 */
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/* CP0 Register 23 */
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#define CP0_REG23__DEBUG 0
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#define CP0_REG23__TRACECONTROL 1
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#define CP0_REG23__TRACECONTROL2 2
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#define CP0_REG23__USERTRACEDATA1 3
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#define CP0_REG23__TRACEIBPC 4
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#define CP0_REG23__TRACEDBPC 5
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#define CP0_REG23__DEBUG2 6
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/* CP0 Register 24 */
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#define CP0_REG24__DEPC 0
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/* CP0 Register 25 */
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#define CP0_REG25__PERFCTL0 0
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#define CP0_REG25__PERFCNT0 1
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#define CP0_REG25__PERFCTL1 2
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#define CP0_REG25__PERFCNT1 3
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#define CP0_REG25__PERFCTL2 4
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#define CP0_REG25__PERFCNT2 5
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#define CP0_REG25__PERFCTL3 6
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#define CP0_REG25__PERFCNT3 7
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/* CP0 Register 26 */
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#define CP0_REG26__ERRCTL 0
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/* CP0 Register 27 */
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#define CP0_REG27__CACHERR 0
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/* CP0 Register 28 */
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#define CP0_REG28__TAGLO 0
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#define CP0_REG28__DATALO 1
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#define CP0_REG28__TAGLO1 2
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#define CP0_REG28__DATALO1 3
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#define CP0_REG28__TAGLO2 4
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#define CP0_REG28__DATALO2 5
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#define CP0_REG28__TAGLO3 6
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#define CP0_REG28__DATALO3 7
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/* CP0 Register 29 */
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#define CP0_REG29__TAGHI 0
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#define CP0_REG29__DATAHI 1
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#define CP0_REG29__TAGHI1 2
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#define CP0_REG29__DATAHI1 3
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#define CP0_REG29__TAGHI2 4
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#define CP0_REG29__DATAHI2 5
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#define CP0_REG29__TAGHI3 6
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#define CP0_REG29__DATAHI3 7
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/* CP0 Register 30 */
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#define CP0_REG30__ERROREPC 0
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/* CP0 Register 31 */
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#define CP0_REG31__DESAVE 0
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#define CP0_REG31__KSCRATCH1 2
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#define CP0_REG31__KSCRATCH2 3
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#define CP0_REG31__KSCRATCH3 4
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#define CP0_REG31__KSCRATCH4 5
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#define CP0_REG31__KSCRATCH5 6
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#define CP0_REG31__KSCRATCH6 7
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typedef struct TCState TCState;
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|
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 CPUArchState {
|
|
TCState active_tc;
|
|
CPUMIPSFPUContext active_fpu;
|
|
|
|
uint32_t current_tc;
|
|
|
|
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;
|
|
#define CP0SAARI_TARGET 0 /* 5..0 */
|
|
#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_WII 31
|
|
#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
|
|
#define CP0WH_M 31
|
|
/*
|
|
* 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];
|
|
/*
|
|
* Loongson CSR CPUCFG registers
|
|
*/
|
|
uint32_t lcsr_cpucfg1;
|
|
#define CPUCFG1_FP 0
|
|
#define CPUCFG1_FPREV 1
|
|
#define CPUCFG1_MMI 4
|
|
#define CPUCFG1_MSA1 5
|
|
#define CPUCFG1_MSA2 6
|
|
#define CPUCFG1_LSLDR0 16
|
|
#define CPUCFG1_LSPERF 17
|
|
#define CPUCFG1_LSPERFX 18
|
|
#define CPUCFG1_LSSYNCI 19
|
|
#define CPUCFG1_LLEXC 20
|
|
#define CPUCFG1_SCRAND 21
|
|
#define CPUCFG1_MUALP 25
|
|
#define CPUCFG1_KMUALEN 26
|
|
#define CPUCFG1_ITLBT 27
|
|
#define CPUCFG1_SFBP 29
|
|
#define CPUCFG1_CDMAP 30
|
|
uint32_t lcsr_cpucfg2;
|
|
#define CPUCFG2_LEXT1 0
|
|
#define CPUCFG2_LEXT2 1
|
|
#define CPUCFG2_LEXT3 2
|
|
#define CPUCFG2_LSPW 3
|
|
#define CPUCFG2_LCSRP 27
|
|
#define CPUCFG2_LDISBLIKELY 28
|
|
|
|
/* 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 0x3F5807FF
|
|
#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 */
|
|
|
|
/* 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;
|
|
qemu_irq irq[8];
|
|
MemoryRegion *itc_tag; /* ITC Configuration Tags */
|
|
|
|
/* Loongson IOCSR memory */
|
|
struct {
|
|
AddressSpace as;
|
|
MemoryRegion mr;
|
|
} iocsr;
|
|
#endif
|
|
|
|
const mips_def_t *cpu_model;
|
|
QEMUTimer *timer; /* Internal timer */
|
|
Clock *count_clock; /* CP0_Count clock */
|
|
target_ulong exception_base; /* ExceptionBase input to the core */
|
|
} CPUMIPSState;
|
|
|
|
/**
|
|
* MIPSCPU:
|
|
* @env: #CPUMIPSState
|
|
* @clock: this CPU input clock (may be connected
|
|
* to an output clock from another device).
|
|
*
|
|
* A MIPS CPU.
|
|
*/
|
|
struct ArchCPU {
|
|
CPUState parent_obj;
|
|
|
|
CPUMIPSState env;
|
|
|
|
Clock *clock;
|
|
Clock *count_div; /* Divider for CP0_Count clock */
|
|
|
|
/* Properties */
|
|
bool is_big_endian;
|
|
};
|
|
|
|
/**
|
|
* MIPSCPUClass:
|
|
* @parent_realize: The parent class' realize handler.
|
|
* @parent_phases: The parent class' reset phase handlers.
|
|
*
|
|
* A MIPS CPU model.
|
|
*/
|
|
struct MIPSCPUClass {
|
|
CPUClass parent_class;
|
|
|
|
DeviceRealize parent_realize;
|
|
ResettablePhases parent_phases;
|
|
const struct mips_def_t *cpu_def;
|
|
|
|
/* Used for the jazz board to modify mips_cpu_do_transaction_failed. */
|
|
bool no_data_aborts;
|
|
};
|
|
|
|
void cpu_wrdsp(uint32_t rs, uint32_t mask_num, CPUMIPSState *env);
|
|
uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env);
|
|
|
|
/*
|
|
* MMU modes definitions. We carefully match the indices with our
|
|
* hflags layout.
|
|
*/
|
|
#define MMU_KERNEL_IDX 0
|
|
#define MMU_USER_IDX 2
|
|
#define MMU_ERL_IDX 3
|
|
|
|
static inline int hflags_mmu_index(uint32_t hflags)
|
|
{
|
|
if (hflags & MIPS_HFLAG_ERL) {
|
|
return MMU_ERL_IDX;
|
|
} else {
|
|
return hflags & MIPS_HFLAG_KSU;
|
|
}
|
|
}
|
|
|
|
static inline int mips_env_mmu_index(CPUMIPSState *env)
|
|
{
|
|
return hflags_mmu_index(env->hflags);
|
|
}
|
|
|
|
#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_SEMIHOST,
|
|
|
|
EXCP_LAST = EXCP_SEMIHOST,
|
|
};
|
|
|
|
/*
|
|
* 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 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 MIPS-3D ASE */
|
|
static inline bool ase_3d_available(const CPUMIPSState *env)
|
|
{
|
|
return env->active_fpu.fcr0 & (1 << FCR0_3D);
|
|
}
|
|
|
|
/* Check presence of MSA implementation */
|
|
static inline bool ase_msa_available(CPUMIPSState *env)
|
|
{
|
|
return env->CP0_Config3 & (1 << CP0C3_MSAP);
|
|
}
|
|
|
|
/* Check presence of Loongson CSR instructions */
|
|
static inline bool ase_lcsr_available(CPUMIPSState *env)
|
|
{
|
|
return env->lcsr_cpucfg2 & (1 << CPUCFG2_LCSRP);
|
|
}
|
|
|
|
/* 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_kseg1_to_phys(void *opaque, uint64_t addr);
|
|
uint64_t cpu_mips_phys_to_kseg1(void *opaque, uint64_t addr);
|
|
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
|
|
/* HW declaration specific to the MIPS target */
|
|
void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level);
|
|
void cpu_mips_irq_init_cpu(MIPSCPU *cpu);
|
|
void cpu_mips_clock_init(MIPSCPU *cpu);
|
|
|
|
#endif /* !CONFIG_USER_ONLY */
|
|
|
|
/* helper.c */
|
|
target_ulong exception_resume_pc(CPUMIPSState *env);
|
|
|
|
static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, vaddr *pc,
|
|
uint64_t *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)
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* @is_big_endian: whether this CPU is configured in big endianness
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*
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* Instantiates a MIPS CPU, set the input clock of the CPU to @cpu_refclk,
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* then realizes the CPU.
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*
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* Returns: A #CPUState or %NULL if an error occurred.
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*/
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MIPSCPU *mips_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk,
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bool is_big_endian);
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#endif /* MIPS_CPU_H */
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