mirror of
https://github.com/yuzu-emu/unicorn.git
synced 2024-12-23 18:45:27 +00:00
cd27da0d88
cpu_init(cpu_model) were replaced by cpu_create(cpu_type) so no users are left, remove it. Backports commit 3f71e724e283233753f1b5b3d6a30948d3084636 from qemu
777 lines
22 KiB
C
777 lines
22 KiB
C
#ifndef MIPS_CPU_H
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#define MIPS_CPU_H
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#define ALIGNED_ONLY
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#define CPUArchState struct CPUMIPSState
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#include "config.h"
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#include "qemu-common.h"
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#include "cpu-qom.h"
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#include "mips-defs.h"
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#include "exec/cpu-defs.h"
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#include "fpu/softfloat.h"
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struct CPUMIPSState;
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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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/* 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 defined(HOST_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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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) |= ((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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#define NB_MMU_MODES 4
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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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typedef struct TCState TCState;
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struct TCState {
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target_ulong gpr[32];
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target_ulong PC;
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target_ulong HI[MIPS_DSP_ACC];
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target_ulong LO[MIPS_DSP_ACC];
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target_ulong ACX[MIPS_DSP_ACC];
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target_ulong DSPControl;
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int32_t CP0_TCStatus;
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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;
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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;
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target_ulong CP0_TCContext;
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target_ulong CP0_TCSchedule;
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target_ulong CP0_TCScheFBack;
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int32_t CP0_Debug_tcstatus;
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target_ulong CP0_UserLocal;
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int32_t msacsr;
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#define MSACSR_FS 24
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#define MSACSR_FS_MASK (1 << MSACSR_FS)
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#define MSACSR_NX 18
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#define MSACSR_NX_MASK (1 << MSACSR_NX)
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#define MSACSR_CEF 2
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#define MSACSR_CEF_MASK (0xffff << MSACSR_CEF)
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#define MSACSR_RM 0
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#define MSACSR_RM_MASK (0x3 << MSACSR_RM)
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#define MSACSR_MASK (MSACSR_RM_MASK | MSACSR_CEF_MASK | MSACSR_NX_MASK | \
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MSACSR_FS_MASK)
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float_status msa_fp_status;
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};
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typedef struct CPUMIPSState CPUMIPSState;
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struct CPUMIPSState {
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TCState active_tc;
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CPUMIPSFPUContext active_fpu;
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uint32_t current_tc;
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uint32_t current_fpu;
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uint32_t SEGBITS;
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uint32_t PABITS;
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#if defined(TARGET_MIPS64)
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# define PABITS_BASE 36
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#else
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# define PABITS_BASE 32
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#endif
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target_ulong SEGMask;
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uint64_t PAMask;
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#define PAMASK_BASE ((1ULL << PABITS_BASE) - 1)
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int32_t msair;
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#define MSAIR_ProcID 8
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#define MSAIR_Rev 0
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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_VPControl;
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#define CP0VPCtl_DIS 0
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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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uint64_t CP0_EntryLo0;
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uint64_t CP0_EntryLo1;
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#if defined(TARGET_MIPS64)
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# define CP0EnLo_RI 63
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# define CP0EnLo_XI 62
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#else
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# define CP0EnLo_RI 31
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# define CP0EnLo_XI 30
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#endif
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int32_t CP0_GlobalNumber;
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#define CP0GN_VPId 0
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target_ulong CP0_Context;
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target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM];
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int32_t CP0_PageMask;
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int32_t CP0_PageGrain_rw_bitmask;
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int32_t CP0_PageGrain;
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#define CP0PG_RIE 31
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#define CP0PG_XIE 30
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#define CP0PG_ELPA 29
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#define CP0PG_IEC 27
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target_ulong CP0_SegCtl0;
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target_ulong CP0_SegCtl1;
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target_ulong CP0_SegCtl2;
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#define CP0SC_PA 9
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#define CP0SC_PA_MASK (0x7FULL << CP0SC_PA)
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#define CP0SC_PA_1GMASK (0x7EULL << CP0SC_PA)
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#define CP0SC_AM 4
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#define CP0SC_AM_MASK (0x7ULL << CP0SC_AM)
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#define CP0SC_AM_UK 0ULL
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#define CP0SC_AM_MK 1ULL
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#define CP0SC_AM_MSK 2ULL
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#define CP0SC_AM_MUSK 3ULL
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#define CP0SC_AM_MUSUK 4ULL
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#define CP0SC_AM_USK 5ULL
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#define CP0SC_AM_UUSK 7ULL
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#define CP0SC_EU 3
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#define CP0SC_EU_MASK (1ULL << CP0SC_EU)
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#define CP0SC_C 0
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#define CP0SC_C_MASK (0x7ULL << CP0SC_C)
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#define CP0SC_MASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \
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CP0SC_PA_MASK)
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#define CP0SC_1GMASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \
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CP0SC_PA_1GMASK)
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#define CP0SC0_MASK (CP0SC_MASK | (CP0SC_MASK << 16))
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#define CP0SC1_XAM 59
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#define CP0SC1_XAM_MASK (0x7ULL << CP0SC1_XAM)
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#define CP0SC1_MASK (CP0SC_MASK | (CP0SC_MASK << 16) | CP0SC1_XAM_MASK)
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#define CP0SC2_XR 56
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#define CP0SC2_XR_MASK (0xFFULL << CP0SC2_XR)
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#define CP0SC2_MASK (CP0SC_1GMASK | (CP0SC_1GMASK << 16) | CP0SC2_XR_MASK)
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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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uint32_t CP0_BadInstr;
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uint32_t CP0_BadInstrP;
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int32_t CP0_Count;
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target_ulong CP0_EntryHi;
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#define CP0EnHi_EHINV 10
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target_ulong CP0_EntryHi_ASID_mask;
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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_KSU 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_IPPCI 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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target_ulong CP0_EBase;
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target_ulong CP0_EBaseWG_rw_bitmask;
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#define CP0EBase_WG 11
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target_ulong CP0_CMGCRBase;
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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 18
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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
|
|
#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_IPLW 21
|
|
#define CP0C3_MMAR 18
|
|
#define CP0C3_MCU 17
|
|
#define CP0C3_ISA_ON_EXC 16
|
|
#define CP0C3_ISA 14
|
|
#define CP0C3_ULRI 13
|
|
#define CP0C3_RXI 12
|
|
#define CP0C3_DSP2P 11
|
|
#define CP0C3_DSPP 10
|
|
#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
|
|
#define CP0C4_AE 28
|
|
#define CP0C4_KScrExist 16
|
|
#define CP0C4_MMUExtDef 14
|
|
#define CP0C4_FTLBPageSize 8
|
|
#define CP0C4_FTLBWays 4
|
|
#define CP0C4_FTLBSets 0
|
|
#define CP0C4_MMUSizeExt 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_XNP 13
|
|
#define CP0C5_UFE 9
|
|
#define CP0C5_FRE 8
|
|
#define CP0C5_VP 7
|
|
#define CP0C5_SBRI 6
|
|
#define CP0C5_MVH 5
|
|
#define CP0C5_LLB 4
|
|
#define CP0C5_MRP 3
|
|
#define CP0C5_UFR 2
|
|
#define CP0C5_NFExists 0
|
|
int32_t CP0_Config6;
|
|
int32_t CP0_Config7;
|
|
uint64_t CP0_MAAR[MIPS_MAAR_MAX];
|
|
int32_t CP0_MAARI;
|
|
/* XXX: Maybe make LLAddr per-TC? */
|
|
uint64_t lladdr;
|
|
target_ulong llval;
|
|
target_ulong llnewval;
|
|
target_ulong llreg;
|
|
uint64_t CP0_LLAddr_rw_bitmask;
|
|
int CP0_LLAddr_shift;
|
|
target_ulong CP0_WatchLo[8];
|
|
int32_t CP0_WatchHi[8];
|
|
#define CP0WH_ASID 16
|
|
target_ulong CP0_XContext;
|
|
int32_t CP0_Framemask;
|
|
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
|
|
target_ulong CP0_DEPC;
|
|
int32_t CP0_Performance0;
|
|
int32_t CP0_ErrCtl;
|
|
#define CP0EC_WST 29
|
|
#define CP0EC_SPR 28
|
|
#define CP0EC_ITC 26
|
|
uint64_t CP0_TagLo;
|
|
int32_t CP0_DataLo;
|
|
int32_t CP0_TagHi;
|
|
int32_t CP0_DataHi;
|
|
target_ulong CP0_ErrorEPC;
|
|
int32_t CP0_DESAVE;
|
|
/* We waste some space so we can handle shadow registers like TCs. */
|
|
TCState tcs[MIPS_SHADOW_SET_MAX];
|
|
CPUMIPSFPUContext fpus[MIPS_FPU_MAX];
|
|
/* QEMU */
|
|
int error_code;
|
|
#define EXCP_TLB_NOMATCH 0x1
|
|
#define EXCP_INST_NOTAVAIL 0x2 /* No valid instruction word for BadInstr */
|
|
uint32_t hflags; /* CPU State */
|
|
/* TMASK defines different execution modes */
|
|
#define MIPS_HFLAG_TMASK 0x1F5807FF
|
|
#define MIPS_HFLAG_MODE 0x00007 /* execution modes */
|
|
/* The KSU flags must be the lowest bits in hflags. The flag order
|
|
must be the same as defined for CP0 Status. This allows to use
|
|
the bits as the value of mmu_idx. */
|
|
#define MIPS_HFLAG_KSU 0x00003 /* kernel/supervisor/user mode mask */
|
|
#define MIPS_HFLAG_UM 0x00002 /* user mode flag */
|
|
#define MIPS_HFLAG_SM 0x00001 /* supervisor mode flag */
|
|
#define MIPS_HFLAG_KM 0x00000 /* kernel mode flag */
|
|
#define MIPS_HFLAG_DM 0x00004 /* Debug mode */
|
|
#define MIPS_HFLAG_64 0x00008 /* 64-bit instructions enabled */
|
|
#define MIPS_HFLAG_CP0 0x00010 /* CP0 enabled */
|
|
#define MIPS_HFLAG_FPU 0x00020 /* FPU enabled */
|
|
#define MIPS_HFLAG_F64 0x00040 /* 64-bit FPU enabled */
|
|
/* True if the MIPS IV COP1X instructions can be used. This also
|
|
controls the non-COP1X instructions RECIP.S, RECIP.D, RSQRT.S
|
|
and RSQRT.D. */
|
|
#define MIPS_HFLAG_COP1X 0x00080 /* COP1X instructions enabled */
|
|
#define MIPS_HFLAG_RE 0x00100 /* Reversed endianness */
|
|
#define MIPS_HFLAG_AWRAP 0x00200 /* 32-bit compatibility address wrapping */
|
|
#define MIPS_HFLAG_M16 0x00400 /* MIPS16 mode flag */
|
|
#define MIPS_HFLAG_M16_SHIFT 10
|
|
/* If translation is interrupted between the branch instruction and
|
|
* the delay slot, record what type of branch it is so that we can
|
|
* resume translation properly. It might be possible to reduce
|
|
* this from three bits to two. */
|
|
#define MIPS_HFLAG_BMASK_BASE 0x803800
|
|
#define MIPS_HFLAG_B 0x00800 /* Unconditional branch */
|
|
#define MIPS_HFLAG_BC 0x01000 /* Conditional branch */
|
|
#define MIPS_HFLAG_BL 0x01800 /* Likely branch */
|
|
#define MIPS_HFLAG_BR 0x02000 /* branch to register (can't link TB) */
|
|
/* Extra flags about the current pending branch. */
|
|
#define MIPS_HFLAG_BMASK_EXT 0x7C000
|
|
#define MIPS_HFLAG_B16 0x04000 /* branch instruction was 16 bits */
|
|
#define MIPS_HFLAG_BDS16 0x08000 /* branch requires 16-bit delay slot */
|
|
#define MIPS_HFLAG_BDS32 0x10000 /* branch requires 32-bit delay slot */
|
|
#define MIPS_HFLAG_BDS_STRICT 0x20000 /* Strict delay slot size */
|
|
#define MIPS_HFLAG_BX 0x40000 /* branch exchanges execution mode */
|
|
#define MIPS_HFLAG_BMASK (MIPS_HFLAG_BMASK_BASE | MIPS_HFLAG_BMASK_EXT)
|
|
/* MIPS DSP resources access. */
|
|
#define MIPS_HFLAG_DSP 0x080000 /* Enable access to MIPS DSP resources. */
|
|
#define MIPS_HFLAG_DSPR2 0x100000 /* Enable access to MIPS DSPR2 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 */
|
|
int insn_flags; /* Supported instruction set */
|
|
|
|
/* Fields up to this point are cleared by a CPU reset */
|
|
struct {} end_reset_fields;
|
|
|
|
CPU_COMMON
|
|
|
|
/* Fields from here on are preserved across CPU reset. */
|
|
CPUMIPSMVPContext *mvp;
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
CPUMIPSTLBContext *tlb;
|
|
#endif
|
|
|
|
const mips_def_t *cpu_model;
|
|
//void *irq[8];
|
|
//QEMUTimer *timer; /* Internal timer */
|
|
target_ulong exception_base; /* ExceptionBase input to the core */
|
|
MemoryRegion *itc_tag; /* ITC Configuration Tags */
|
|
|
|
// Unicorn engine
|
|
struct uc_struct *uc;
|
|
};
|
|
|
|
/**
|
|
* MIPSCPU:
|
|
* @env: #CPUMIPSState
|
|
*
|
|
* A MIPS CPU.
|
|
*/
|
|
typedef struct MIPSCPU {
|
|
/*< private >*/
|
|
CPUState parent_obj;
|
|
/*< public >*/
|
|
|
|
CPUMIPSState env;
|
|
} MIPSCPU;
|
|
|
|
static inline MIPSCPU *mips_env_get_cpu(CPUMIPSState *env)
|
|
{
|
|
return container_of(env, MIPSCPU, env);
|
|
}
|
|
|
|
#define ENV_GET_CPU(e) CPU(mips_env_get_cpu(e))
|
|
|
|
#define ENV_OFFSET offsetof(MIPSCPU, env)
|
|
|
|
void mips_cpu_list (FILE *f, fprintf_function cpu_fprintf);
|
|
|
|
#define cpu_signal_handler cpu_mips_signal_handler
|
|
#define cpu_list mips_cpu_list
|
|
|
|
extern void cpu_wrdsp(uint32_t rs, uint32_t mask_num, CPUMIPSState *env);
|
|
extern uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env);
|
|
|
|
#define CPU_SAVE_VERSION 5
|
|
|
|
/* MMU modes definitions. We carefully match the indices with our
|
|
hflags layout. */
|
|
#define MMU_MODE0_SUFFIX _kernel
|
|
#define MMU_MODE1_SUFFIX _super
|
|
#define MMU_MODE2_SUFFIX _user
|
|
#define MMU_MODE3_SUFFIX _error
|
|
#define MMU_USER_IDX 2
|
|
|
|
static inline int hflags_mmu_index(uint32_t hflags)
|
|
{
|
|
if (hflags & MIPS_HFLAG_ERL) {
|
|
return 3; /* ERL */
|
|
} else {
|
|
return hflags & MIPS_HFLAG_KSU;
|
|
}
|
|
}
|
|
|
|
static inline int cpu_mmu_index (CPUMIPSState *env, bool ifetch)
|
|
{
|
|
return hflags_mmu_index(env->hflags);
|
|
}
|
|
|
|
#include "exec/cpu-all.h"
|
|
|
|
/* Memory access type :
|
|
* may be needed for precise access rights control and precise exceptions.
|
|
*/
|
|
enum {
|
|
/* 1 bit to define user level / supervisor access */
|
|
ACCESS_USER = 0x00,
|
|
ACCESS_SUPER = 0x01,
|
|
/* 1 bit to indicate direction */
|
|
ACCESS_STORE = 0x02,
|
|
/* Type of instruction that generated the access */
|
|
ACCESS_CODE = 0x10, /* Code fetch access */
|
|
ACCESS_INT = 0x20, /* Integer load/store access */
|
|
ACCESS_FLOAT = 0x30, /* floating point load/store access */
|
|
};
|
|
|
|
/* Exceptions */
|
|
enum {
|
|
EXCP_NONE = -1,
|
|
EXCP_RESET = 0,
|
|
EXCP_SRESET,
|
|
EXCP_DSS,
|
|
EXCP_DINT,
|
|
EXCP_DDBL,
|
|
EXCP_DDBS,
|
|
EXCP_NMI,
|
|
EXCP_MCHECK,
|
|
EXCP_EXT_INTERRUPT, /* 8 */
|
|
EXCP_DFWATCH,
|
|
EXCP_DIB,
|
|
EXCP_IWATCH,
|
|
EXCP_AdEL,
|
|
EXCP_AdES,
|
|
EXCP_TLBF,
|
|
EXCP_IBE,
|
|
EXCP_DBp, /* 16 */
|
|
EXCP_SYSCALL,
|
|
EXCP_BREAK,
|
|
EXCP_CpU,
|
|
EXCP_RI,
|
|
EXCP_OVERFLOW,
|
|
EXCP_TRAP,
|
|
EXCP_FPE,
|
|
EXCP_DWATCH, /* 24 */
|
|
EXCP_LTLBL,
|
|
EXCP_TLBL,
|
|
EXCP_TLBS,
|
|
EXCP_DBE,
|
|
EXCP_THREAD,
|
|
EXCP_MDMX,
|
|
EXCP_C2E,
|
|
EXCP_CACHE, /* 32 */
|
|
EXCP_DSPDIS,
|
|
EXCP_MSADIS,
|
|
EXCP_MSAFPE,
|
|
EXCP_TLBXI,
|
|
EXCP_TLBRI,
|
|
|
|
EXCP_LAST = EXCP_TLBRI,
|
|
};
|
|
/* Dummy exception for conditional stores. */
|
|
#define EXCP_SC 0x100
|
|
|
|
/*
|
|
* This is an internally generated WAKE request line.
|
|
* It is driven by the CPU itself. Raised when the MT
|
|
* block wants to wake a VPE from an inactive state and
|
|
* cleared when VPE goes from active to inactive.
|
|
*/
|
|
#define CPU_INTERRUPT_WAKE CPU_INTERRUPT_TGT_INT_0
|
|
|
|
#define MIPS_CPU_TYPE_SUFFIX "-" TYPE_MIPS_CPU
|
|
#define MIPS_CPU_TYPE_NAME(model) model MIPS_CPU_TYPE_SUFFIX
|
|
#define CPU_RESOLVING_TYPE TYPE_MIPS_CPU
|
|
|
|
int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
|
|
bool cpu_supports_isa(struct uc_struct *uc, const char *cpu_model, unsigned int isa);
|
|
bool cpu_supports_cps_smp(struct uc_struct *uc, const char *cpu_type);
|
|
void cpu_set_exception_base(struct uc_struct *uc, int vp_index, target_ulong address);
|
|
|
|
/* mips_int.c */
|
|
void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level);
|
|
|
|
/* helper.c */
|
|
target_ulong exception_resume_pc (CPUMIPSState *env);
|
|
|
|
/* op_helper.c */
|
|
static inline void restore_snan_bit_mode(CPUMIPSState *env)
|
|
{
|
|
set_snan_bit_is_one((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) == 0,
|
|
&env->active_fpu.fp_status);
|
|
}
|
|
|
|
static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc,
|
|
target_ulong *cs_base, uint32_t *flags)
|
|
{
|
|
*pc = env->active_tc.PC;
|
|
*cs_base = 0;
|
|
*flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK |
|
|
MIPS_HFLAG_HWRENA_ULR);
|
|
}
|
|
#endif /* MIPS_CPU_H */
|