387a8fe505
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3235 c046a42c-6fe2-441c-8c8c-71466251a162
552 lines
15 KiB
C
552 lines
15 KiB
C
#if !defined (__MIPS_CPU_H__)
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#define __MIPS_CPU_H__
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#define TARGET_HAS_ICE 1
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#define ELF_MACHINE EM_MIPS
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#include "config.h"
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#include "mips-defs.h"
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#include "cpu-defs.h"
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#include "softfloat.h"
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// uint_fast8_t and uint_fast16_t not in <sys/int_types.h>
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// XXX: move that elsewhere
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#if defined(HOST_SOLARIS) && HOST_SOLARIS < 10
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typedef unsigned char uint_fast8_t;
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typedef unsigned int uint_fast16_t;
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#endif
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struct CPUMIPSState;
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typedef struct r4k_tlb_t r4k_tlb_t;
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struct r4k_tlb_t {
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target_ulong VPN;
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uint32_t PageMask;
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uint_fast8_t ASID;
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uint_fast16_t G:1;
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uint_fast16_t C0:3;
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uint_fast16_t C1:3;
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uint_fast16_t V0:1;
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uint_fast16_t V1:1;
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uint_fast16_t D0:1;
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uint_fast16_t D1:1;
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target_ulong PFN[2];
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};
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typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
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struct CPUMIPSTLBContext {
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uint32_t nb_tlb;
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uint32_t tlb_in_use;
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int (*map_address) (struct CPUMIPSState *env, target_ulong *physical, int *prot, target_ulong address, int rw, int access_type);
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void (*do_tlbwi) (void);
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void (*do_tlbwr) (void);
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void (*do_tlbp) (void);
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void (*do_tlbr) (void);
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union {
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struct {
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r4k_tlb_t tlb[MIPS_TLB_MAX];
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} r4k;
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} mmu;
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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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};
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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 endianess
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*/
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#if defined(WORDS_BIGENDIAN)
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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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#ifndef USE_HOST_FLOAT_REGS
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fpr_t ft0;
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fpr_t ft1;
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fpr_t ft2;
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#endif
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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_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;
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#define SET_FP_COND(num,env) do { ((env)->fcr31) |= ((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
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#define CLEAR_FP_COND(num,env) do { ((env)->fcr31) &= ~((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
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#define GET_FP_COND(env) ((((env)->fcr31 >> 24) & 0xfe) | (((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)) | ((v & 0x3f) << 12); } while(0)
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#define SET_FP_ENABLE(reg,v) do { (reg) = ((reg) & ~(0x1f << 7)) | ((v & 0x1f) << 7); } while(0)
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#define SET_FP_FLAGS(reg,v) do { (reg) = ((reg) & ~(0x1f << 2)) | ((v & 0x1f) << 2); } 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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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_DSP_ACC 4
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typedef struct CPUMIPSState CPUMIPSState;
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struct CPUMIPSState {
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/* General integer registers */
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target_ulong gpr[32][MIPS_SHADOW_SET_MAX];
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/* Special registers */
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target_ulong PC[MIPS_TC_MAX];
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#if TARGET_LONG_BITS > HOST_LONG_BITS
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target_ulong t0;
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target_ulong t1;
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target_ulong t2;
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#endif
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target_ulong HI[MIPS_DSP_ACC][MIPS_TC_MAX];
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target_ulong LO[MIPS_DSP_ACC][MIPS_TC_MAX];
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target_ulong ACX[MIPS_DSP_ACC][MIPS_TC_MAX];
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target_ulong DSPControl[MIPS_TC_MAX];
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CPUMIPSMVPContext *mvp;
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CPUMIPSTLBContext *tlb;
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CPUMIPSFPUContext *fpu;
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uint32_t current_tc;
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uint32_t SEGBITS;
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target_ulong SEGMask;
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int32_t CP0_Index;
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/* CP0_MVP* are per MVP registers. */
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int32_t CP0_Random;
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int32_t CP0_VPEControl;
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#define CP0VPECo_YSI 21
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#define CP0VPECo_GSI 20
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#define CP0VPECo_EXCPT 16
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#define CP0VPECo_TE 15
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#define CP0VPECo_TargTC 0
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int32_t CP0_VPEConf0;
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#define CP0VPEC0_M 31
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#define CP0VPEC0_XTC 21
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#define CP0VPEC0_TCS 19
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#define CP0VPEC0_SCS 18
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#define CP0VPEC0_DSC 17
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#define CP0VPEC0_ICS 16
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#define CP0VPEC0_MVP 1
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#define CP0VPEC0_VPA 0
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int32_t CP0_VPEConf1;
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#define CP0VPEC1_NCX 20
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#define CP0VPEC1_NCP2 10
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#define CP0VPEC1_NCP1 0
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target_ulong CP0_YQMask;
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target_ulong CP0_VPESchedule;
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target_ulong CP0_VPEScheFBack;
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int32_t CP0_VPEOpt;
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#define CP0VPEOpt_IWX7 15
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#define CP0VPEOpt_IWX6 14
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#define CP0VPEOpt_IWX5 13
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#define CP0VPEOpt_IWX4 12
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#define CP0VPEOpt_IWX3 11
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#define CP0VPEOpt_IWX2 10
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#define CP0VPEOpt_IWX1 9
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#define CP0VPEOpt_IWX0 8
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#define CP0VPEOpt_DWX7 7
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#define CP0VPEOpt_DWX6 6
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#define CP0VPEOpt_DWX5 5
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#define CP0VPEOpt_DWX4 4
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#define CP0VPEOpt_DWX3 3
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#define CP0VPEOpt_DWX2 2
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#define CP0VPEOpt_DWX1 1
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#define CP0VPEOpt_DWX0 0
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target_ulong CP0_EntryLo0;
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int32_t CP0_TCStatus[MIPS_TC_MAX];
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#define CP0TCSt_TCU3 31
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#define CP0TCSt_TCU2 30
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#define CP0TCSt_TCU1 29
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#define CP0TCSt_TCU0 28
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#define CP0TCSt_TMX 27
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#define CP0TCSt_RNST 23
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#define CP0TCSt_TDS 21
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#define CP0TCSt_DT 20
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#define CP0TCSt_DA 15
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#define CP0TCSt_A 13
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#define CP0TCSt_TKSU 11
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#define CP0TCSt_IXMT 10
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#define CP0TCSt_TASID 0
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int32_t CP0_TCBind[MIPS_TC_MAX];
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#define CP0TCBd_CurTC 21
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#define CP0TCBd_TBE 17
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#define CP0TCBd_CurVPE 0
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target_ulong CP0_TCHalt[MIPS_TC_MAX];
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target_ulong CP0_TCContext[MIPS_TC_MAX];
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target_ulong CP0_TCSchedule[MIPS_TC_MAX];
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target_ulong CP0_TCScheFBack[MIPS_TC_MAX];
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target_ulong CP0_EntryLo1;
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target_ulong CP0_Context;
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int32_t CP0_PageMask;
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int32_t CP0_PageGrain;
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int32_t CP0_Wired;
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int32_t CP0_SRSConf0_rw_bitmask;
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int32_t CP0_SRSConf0;
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#define CP0SRSC0_M 31
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#define CP0SRSC0_SRS3 20
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#define CP0SRSC0_SRS2 10
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#define CP0SRSC0_SRS1 0
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int32_t CP0_SRSConf1_rw_bitmask;
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int32_t CP0_SRSConf1;
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#define CP0SRSC1_M 31
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#define CP0SRSC1_SRS6 20
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#define CP0SRSC1_SRS5 10
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#define CP0SRSC1_SRS4 0
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int32_t CP0_SRSConf2_rw_bitmask;
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int32_t CP0_SRSConf2;
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#define CP0SRSC2_M 31
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#define CP0SRSC2_SRS9 20
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#define CP0SRSC2_SRS8 10
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#define CP0SRSC2_SRS7 0
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int32_t CP0_SRSConf3_rw_bitmask;
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int32_t CP0_SRSConf3;
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#define CP0SRSC3_M 31
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#define CP0SRSC3_SRS12 20
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#define CP0SRSC3_SRS11 10
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#define CP0SRSC3_SRS10 0
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int32_t CP0_SRSConf4_rw_bitmask;
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int32_t CP0_SRSConf4;
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#define CP0SRSC4_SRS15 20
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#define CP0SRSC4_SRS14 10
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#define CP0SRSC4_SRS13 0
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int32_t CP0_HWREna;
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target_ulong CP0_BadVAddr;
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int32_t CP0_Count;
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target_ulong CP0_EntryHi;
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int32_t CP0_Compare;
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int32_t CP0_Status;
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#define CP0St_CU3 31
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#define CP0St_CU2 30
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#define CP0St_CU1 29
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#define CP0St_CU0 28
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#define CP0St_RP 27
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#define CP0St_FR 26
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#define CP0St_RE 25
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#define CP0St_MX 24
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#define CP0St_PX 23
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#define CP0St_BEV 22
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#define CP0St_TS 21
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#define CP0St_SR 20
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#define CP0St_NMI 19
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#define CP0St_IM 8
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#define CP0St_KX 7
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#define CP0St_SX 6
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#define CP0St_UX 5
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#define CP0St_UM 4
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#define CP0St_R0 3
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#define CP0St_ERL 2
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#define CP0St_EXL 1
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#define CP0St_IE 0
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int32_t CP0_IntCtl;
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#define CP0IntCtl_IPTI 29
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#define CP0IntCtl_IPPC1 26
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#define CP0IntCtl_VS 5
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int32_t CP0_SRSCtl;
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#define CP0SRSCtl_HSS 26
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#define CP0SRSCtl_EICSS 18
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#define CP0SRSCtl_ESS 12
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#define CP0SRSCtl_PSS 6
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#define CP0SRSCtl_CSS 0
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int32_t CP0_SRSMap;
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#define CP0SRSMap_SSV7 28
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#define CP0SRSMap_SSV6 24
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#define CP0SRSMap_SSV5 20
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#define CP0SRSMap_SSV4 16
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#define CP0SRSMap_SSV3 12
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#define CP0SRSMap_SSV2 8
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#define CP0SRSMap_SSV1 4
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#define CP0SRSMap_SSV0 0
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int32_t CP0_Cause;
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#define CP0Ca_BD 31
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#define CP0Ca_TI 30
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#define CP0Ca_CE 28
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#define CP0Ca_DC 27
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#define CP0Ca_PCI 26
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#define CP0Ca_IV 23
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#define CP0Ca_WP 22
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#define CP0Ca_IP 8
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#define CP0Ca_IP_mask 0x0000FF00
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#define CP0Ca_EC 2
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target_ulong CP0_EPC;
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int32_t CP0_PRid;
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int32_t CP0_EBase;
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int32_t CP0_Config0;
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#define CP0C0_M 31
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#define CP0C0_K23 28
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#define CP0C0_KU 25
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#define CP0C0_MDU 20
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#define CP0C0_MM 17
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#define CP0C0_BM 16
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#define CP0C0_BE 15
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#define CP0C0_AT 13
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#define CP0C0_AR 10
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#define CP0C0_MT 7
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#define CP0C0_VI 3
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#define CP0C0_K0 0
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int32_t CP0_Config1;
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#define CP0C1_M 31
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#define CP0C1_MMU 25
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#define CP0C1_IS 22
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#define CP0C1_IL 19
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#define CP0C1_IA 16
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#define CP0C1_DS 13
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#define CP0C1_DL 10
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#define CP0C1_DA 7
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#define CP0C1_C2 6
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#define CP0C1_MD 5
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#define CP0C1_PC 4
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#define CP0C1_WR 3
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#define CP0C1_CA 2
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#define CP0C1_EP 1
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#define CP0C1_FP 0
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int32_t CP0_Config2;
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#define CP0C2_M 31
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#define CP0C2_TU 28
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#define CP0C2_TS 24
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#define CP0C2_TL 20
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#define CP0C2_TA 16
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#define CP0C2_SU 12
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#define CP0C2_SS 8
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#define CP0C2_SL 4
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#define CP0C2_SA 0
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int32_t CP0_Config3;
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#define CP0C3_M 31
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#define CP0C3_DSPP 10
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#define CP0C3_LPA 7
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#define CP0C3_VEIC 6
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#define CP0C3_VInt 5
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#define CP0C3_SP 4
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#define CP0C3_MT 2
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#define CP0C3_SM 1
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#define CP0C3_TL 0
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int32_t CP0_Config6;
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int32_t CP0_Config7;
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/* XXX: Maybe make LLAddr per-TC? */
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target_ulong CP0_LLAddr;
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target_ulong CP0_WatchLo[8];
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int32_t CP0_WatchHi[8];
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target_ulong CP0_XContext;
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int32_t CP0_Framemask;
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int32_t CP0_Debug;
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#define CP0DB_DBD 31
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#define CP0DB_DM 30
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#define CP0DB_LSNM 28
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#define CP0DB_Doze 27
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#define CP0DB_Halt 26
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#define CP0DB_CNT 25
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#define CP0DB_IBEP 24
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#define CP0DB_DBEP 21
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#define CP0DB_IEXI 20
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#define CP0DB_VER 15
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#define CP0DB_DEC 10
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#define CP0DB_SSt 8
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#define CP0DB_DINT 5
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#define CP0DB_DIB 4
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#define CP0DB_DDBS 3
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#define CP0DB_DDBL 2
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#define CP0DB_DBp 1
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#define CP0DB_DSS 0
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int32_t CP0_Debug_tcstatus[MIPS_TC_MAX];
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target_ulong CP0_DEPC;
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int32_t CP0_Performance0;
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int32_t CP0_TagLo;
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int32_t CP0_DataLo;
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int32_t CP0_TagHi;
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int32_t CP0_DataHi;
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target_ulong CP0_ErrorEPC;
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int32_t CP0_DESAVE;
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/* Qemu */
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int interrupt_request;
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jmp_buf jmp_env;
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int exception_index;
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int error_code;
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int user_mode_only; /* user mode only simulation */
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uint32_t hflags; /* CPU State */
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/* TMASK defines different execution modes */
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#define MIPS_HFLAG_TMASK 0x00FF
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#define MIPS_HFLAG_MODE 0x0007 /* execution modes */
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#define MIPS_HFLAG_UM 0x0001 /* user mode */
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#define MIPS_HFLAG_DM 0x0002 /* Debug mode */
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#define MIPS_HFLAG_SM 0x0004 /* Supervisor mode */
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#define MIPS_HFLAG_64 0x0008 /* 64-bit instructions enabled */
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#define MIPS_HFLAG_CP0 0x0010 /* CP0 enabled */
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#define MIPS_HFLAG_FPU 0x0020 /* FPU enabled */
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#define MIPS_HFLAG_F64 0x0040 /* 64-bit FPU enabled */
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#define MIPS_HFLAG_RE 0x0080 /* Reversed endianness */
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/* If translation is interrupted between the branch instruction and
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* the delay slot, record what type of branch it is so that we can
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* resume translation properly. It might be possible to reduce
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* this from three bits to two. */
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#define MIPS_HFLAG_BMASK 0x0700
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#define MIPS_HFLAG_B 0x0100 /* Unconditional branch */
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#define MIPS_HFLAG_BC 0x0200 /* Conditional branch */
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#define MIPS_HFLAG_BL 0x0300 /* Likely branch */
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#define MIPS_HFLAG_BR 0x0400 /* branch to register (can't link TB) */
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target_ulong btarget; /* Jump / branch target */
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int bcond; /* Branch condition (if needed) */
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int halted; /* TRUE if the CPU is in suspend state */
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int SYNCI_Step; /* Address step size for SYNCI */
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int CCRes; /* Cycle count resolution/divisor */
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uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */
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uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */
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int insn_flags; /* Supported instruction set */
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#ifdef CONFIG_USER_ONLY
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target_ulong tls_value;
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#endif
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CPU_COMMON
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int ram_size;
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const char *kernel_filename;
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const char *kernel_cmdline;
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const char *initrd_filename;
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mips_def_t *cpu_model;
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#ifndef CONFIG_USER_ONLY
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void *irq[8];
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#endif
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struct QEMUTimer *timer; /* Internal timer */
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};
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int no_mmu_map_address (CPUMIPSState *env, target_ulong *physical, int *prot,
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target_ulong address, int rw, int access_type);
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int fixed_mmu_map_address (CPUMIPSState *env, target_ulong *physical, int *prot,
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target_ulong address, int rw, int access_type);
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int r4k_map_address (CPUMIPSState *env, target_ulong *physical, int *prot,
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target_ulong address, int rw, int access_type);
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void r4k_do_tlbwi (void);
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void r4k_do_tlbwr (void);
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void r4k_do_tlbp (void);
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void r4k_do_tlbr (void);
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int mips_find_by_name (const unsigned char *name, mips_def_t **def);
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void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
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int cpu_mips_register (CPUMIPSState *env, mips_def_t *def);
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|
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#define CPUState CPUMIPSState
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#define cpu_init cpu_mips_init
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#define cpu_exec cpu_mips_exec
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#define cpu_gen_code cpu_mips_gen_code
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#define cpu_signal_handler cpu_mips_signal_handler
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|
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#include "cpu-all.h"
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|
|
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/* Memory access type :
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* may be needed for precise access rights control and precise exceptions.
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*/
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enum {
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/* 1 bit to define user level / supervisor access */
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ACCESS_USER = 0x00,
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ACCESS_SUPER = 0x01,
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/* 1 bit to indicate direction */
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ACCESS_STORE = 0x02,
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/* Type of instruction that generated the access */
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ACCESS_CODE = 0x10, /* Code fetch access */
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ACCESS_INT = 0x20, /* Integer load/store access */
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ACCESS_FLOAT = 0x30, /* floating point load/store access */
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};
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|
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/* Exceptions */
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enum {
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EXCP_NONE = -1,
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EXCP_RESET = 0,
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EXCP_SRESET,
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EXCP_DSS,
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|
EXCP_DINT,
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|
EXCP_NMI,
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EXCP_MCHECK,
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|
EXCP_EXT_INTERRUPT,
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|
EXCP_DFWATCH,
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|
EXCP_DIB, /* 8 */
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|
EXCP_IWATCH,
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|
EXCP_AdEL,
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|
EXCP_AdES,
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|
EXCP_TLBF,
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|
EXCP_IBE,
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|
EXCP_DBp,
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|
EXCP_SYSCALL,
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|
EXCP_BREAK, /* 16 */
|
|
EXCP_CpU,
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|
EXCP_RI,
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|
EXCP_OVERFLOW,
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|
EXCP_TRAP,
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|
EXCP_FPE,
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|
EXCP_DDBS,
|
|
EXCP_DWATCH,
|
|
EXCP_LAE, /* 24 */
|
|
EXCP_SAE,
|
|
EXCP_LTLBL,
|
|
EXCP_TLBL,
|
|
EXCP_TLBS,
|
|
EXCP_DBE,
|
|
EXCP_DDBL,
|
|
EXCP_THREAD,
|
|
EXCP_MTCP0 = 0x104, /* mtmsr instruction: */
|
|
/* may change privilege level */
|
|
EXCP_BRANCH = 0x108, /* branch instruction */
|
|
EXCP_ERET = 0x10C, /* return from interrupt */
|
|
EXCP_SYSCALL_USER = 0x110, /* System call in user mode only */
|
|
EXCP_FLUSH = 0x109,
|
|
};
|
|
|
|
int cpu_mips_exec(CPUMIPSState *s);
|
|
CPUMIPSState *cpu_mips_init(void);
|
|
uint32_t cpu_mips_get_clock (void);
|
|
int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
|
|
|
|
#endif /* !defined (__MIPS_CPU_H__) */
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