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#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 |
383 |
#define CP0DB_DM 30 |
384 |
#define CP0DB_LSNM 28 |
385 |
#define CP0DB_Doze 27 |
386 |
#define CP0DB_Halt 26 |
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#define CP0DB_CNT 25 |
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#define CP0DB_IBEP 24 |
389 |
#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 |
394 |
#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 |
399 |
#define CP0DB_DSS 0 |
400 |
int32_t CP0_Debug_tcstatus[MIPS_TC_MAX]; |
401 |
target_ulong CP0_DEPC; |
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int32_t CP0_Performance0; |
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int32_t CP0_TagLo; |
404 |
int32_t CP0_DataLo; |
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int32_t CP0_TagHi; |
406 |
int32_t CP0_DataHi; |
407 |
target_ulong CP0_ErrorEPC; |
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int32_t CP0_DESAVE; |
409 |
/* 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 */ |
415 |
uint32_t hflags; /* CPU State */
|
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/* TMASK defines different execution modes */
|
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#define MIPS_HFLAG_TMASK 0x00FF |
418 |
#define MIPS_HFLAG_MODE 0x0007 /* execution modes */ |
419 |
#define MIPS_HFLAG_UM 0x0001 /* user mode */ |
420 |
#define MIPS_HFLAG_DM 0x0002 /* Debug mode */ |
421 |
#define MIPS_HFLAG_SM 0x0004 /* Supervisor mode */ |
422 |
#define MIPS_HFLAG_64 0x0008 /* 64-bit instructions enabled */ |
423 |
#define MIPS_HFLAG_CP0 0x0010 /* CP0 enabled */ |
424 |
#define MIPS_HFLAG_FPU 0x0020 /* FPU enabled */ |
425 |
#define MIPS_HFLAG_F64 0x0040 /* 64-bit FPU enabled */ |
426 |
#define MIPS_HFLAG_RE 0x0080 /* Reversed endianness */ |
427 |
/* 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
|
430 |
* this from three bits to two. */
|
431 |
#define MIPS_HFLAG_BMASK 0x0700 |
432 |
#define MIPS_HFLAG_B 0x0100 /* Unconditional branch */ |
433 |
#define MIPS_HFLAG_BC 0x0200 /* Conditional branch */ |
434 |
#define MIPS_HFLAG_BL 0x0300 /* Likely branch */ |
435 |
#define MIPS_HFLAG_BR 0x0400 /* branch to register (can't link TB) */ |
436 |
target_ulong btarget; /* Jump / branch target */
|
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int bcond; /* Branch condition (if needed) */ |
438 |
|
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int halted; /* TRUE if the CPU is in suspend state */ |
440 |
|
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int SYNCI_Step; /* Address step size for SYNCI */ |
442 |
int CCRes; /* Cycle count resolution/divisor */ |
443 |
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 */ |
446 |
|
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#ifdef CONFIG_USER_ONLY
|
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target_ulong tls_value; |
449 |
#endif
|
450 |
|
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CPU_COMMON |
452 |
|
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int ram_size;
|
454 |
const char *kernel_filename; |
455 |
const char *kernel_cmdline; |
456 |
const char *initrd_filename; |
457 |
|
458 |
mips_def_t *cpu_model; |
459 |
#ifndef CONFIG_USER_ONLY
|
460 |
void *irq[8]; |
461 |
#endif
|
462 |
|
463 |
struct QEMUTimer *timer; /* Internal timer */ |
464 |
}; |
465 |
|
466 |
int no_mmu_map_address (CPUMIPSState *env, target_ulong *physical, int *prot, |
467 |
target_ulong address, int rw, int access_type); |
468 |
int fixed_mmu_map_address (CPUMIPSState *env, target_ulong *physical, int *prot, |
469 |
target_ulong address, int rw, int access_type); |
470 |
int r4k_map_address (CPUMIPSState *env, target_ulong *physical, int *prot, |
471 |
target_ulong address, int rw, int access_type); |
472 |
void r4k_do_tlbwi (void); |
473 |
void r4k_do_tlbwr (void); |
474 |
void r4k_do_tlbp (void); |
475 |
void r4k_do_tlbr (void); |
476 |
int mips_find_by_name (const unsigned char *name, mips_def_t **def); |
477 |
void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)); |
478 |
int cpu_mips_register (CPUMIPSState *env, mips_def_t *def);
|
479 |
|
480 |
#define CPUState CPUMIPSState
|
481 |
#define cpu_init cpu_mips_init
|
482 |
#define cpu_exec cpu_mips_exec
|
483 |
#define cpu_gen_code cpu_mips_gen_code
|
484 |
#define cpu_signal_handler cpu_mips_signal_handler
|
485 |
#define cpu_list mips_cpu_list
|
486 |
|
487 |
#include "cpu-all.h" |
488 |
|
489 |
/* Memory access type :
|
490 |
* may be needed for precise access rights control and precise exceptions.
|
491 |
*/
|
492 |
enum {
|
493 |
/* 1 bit to define user level / supervisor access */
|
494 |
ACCESS_USER = 0x00,
|
495 |
ACCESS_SUPER = 0x01,
|
496 |
/* 1 bit to indicate direction */
|
497 |
ACCESS_STORE = 0x02,
|
498 |
/* Type of instruction that generated the access */
|
499 |
ACCESS_CODE = 0x10, /* Code fetch access */ |
500 |
ACCESS_INT = 0x20, /* Integer load/store access */ |
501 |
ACCESS_FLOAT = 0x30, /* floating point load/store access */ |
502 |
}; |
503 |
|
504 |
/* Exceptions */
|
505 |
enum {
|
506 |
EXCP_NONE = -1,
|
507 |
EXCP_RESET = 0,
|
508 |
EXCP_SRESET, |
509 |
EXCP_DSS, |
510 |
EXCP_DINT, |
511 |
EXCP_NMI, |
512 |
EXCP_MCHECK, |
513 |
EXCP_EXT_INTERRUPT, |
514 |
EXCP_DFWATCH, |
515 |
EXCP_DIB, /* 8 */
|
516 |
EXCP_IWATCH, |
517 |
EXCP_AdEL, |
518 |
EXCP_AdES, |
519 |
EXCP_TLBF, |
520 |
EXCP_IBE, |
521 |
EXCP_DBp, |
522 |
EXCP_SYSCALL, |
523 |
EXCP_BREAK, /* 16 */
|
524 |
EXCP_CpU, |
525 |
EXCP_RI, |
526 |
EXCP_OVERFLOW, |
527 |
EXCP_TRAP, |
528 |
EXCP_FPE, |
529 |
EXCP_DDBS, |
530 |
EXCP_DWATCH, |
531 |
EXCP_LAE, /* 24 */
|
532 |
EXCP_SAE, |
533 |
EXCP_LTLBL, |
534 |
EXCP_TLBL, |
535 |
EXCP_TLBS, |
536 |
EXCP_DBE, |
537 |
EXCP_DDBL, |
538 |
EXCP_THREAD, |
539 |
EXCP_MTCP0 = 0x104, /* mtmsr instruction: */ |
540 |
/* may change privilege level */
|
541 |
EXCP_BRANCH = 0x108, /* branch instruction */ |
542 |
EXCP_ERET = 0x10C, /* return from interrupt */ |
543 |
EXCP_SYSCALL_USER = 0x110, /* System call in user mode only */ |
544 |
EXCP_FLUSH = 0x109,
|
545 |
}; |
546 |
|
547 |
int cpu_mips_exec(CPUMIPSState *s);
|
548 |
CPUMIPSState *cpu_mips_init(void);
|
549 |
uint32_t cpu_mips_get_clock (void);
|
550 |
int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc); |
551 |
|
552 |
#endif /* !defined (__MIPS_CPU_H__) */ |