#ifndef MIPS_CPU_H
#define MIPS_CPU_H
-//#define DEBUG_OP
-
#define ALIGNED_ONLY
#define CPUArchState struct CPUMIPSState
struct CPUMIPSState;
-typedef struct r4k_tlb_t r4k_tlb_t;
-struct r4k_tlb_t {
- target_ulong VPN;
- uint32_t PageMask;
- uint16_t ASID;
- unsigned int G:1;
- unsigned int C0:3;
- unsigned int C1:3;
- unsigned int V0:1;
- unsigned int V1:1;
- unsigned int D0:1;
- unsigned int D1:1;
- unsigned int XI0:1;
- unsigned int XI1:1;
- unsigned int RI0:1;
- unsigned int RI1:1;
- unsigned int EHINV:1;
- uint64_t PFN[2];
-};
-
-#if !defined(CONFIG_USER_ONLY)
typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
-struct CPUMIPSTLBContext {
- uint32_t nb_tlb;
- uint32_t tlb_in_use;
- int (*map_address) (struct CPUMIPSState *env, hwaddr *physical, int *prot, target_ulong address, int rw, int access_type);
- void (*helper_tlbwi)(struct CPUMIPSState *env);
- void (*helper_tlbwr)(struct CPUMIPSState *env);
- void (*helper_tlbp)(struct CPUMIPSState *env);
- void (*helper_tlbr)(struct CPUMIPSState *env);
- void (*helper_tlbinv)(struct CPUMIPSState *env);
- void (*helper_tlbinvf)(struct CPUMIPSState *env);
- union {
- struct {
- r4k_tlb_t tlb[MIPS_TLB_MAX];
- } r4k;
- } mmu;
-};
-#endif
/* MSA Context */
#define MSA_WRLEN (128)
-enum CPUMIPSMSADataFormat {
- DF_BYTE = 0,
- DF_HALF,
- DF_WORD,
- DF_DOUBLE
-};
-
typedef union wr_t wr_t;
union wr_t {
int8_t b[MSA_WRLEN/8];
#define FP_UNIMPLEMENTED 32
};
-#define NB_MMU_MODES 3
+#define NB_MMU_MODES 4
#define TARGET_INSN_START_EXTRA_WORDS 2
typedef struct CPUMIPSMVPContext CPUMIPSMVPContext;
#define MSAIR_ProcID 8
#define MSAIR_Rev 0
+/*
+ * Summary of CP0 registers
+ * ========================
+ *
+ *
+ * Register 0 Register 1 Register 2 Register 3
+ * ---------- ---------- ---------- ----------
+ *
+ * 0 Index Random EntryLo0 EntryLo1
+ * 1 MVPControl VPEControl TCStatus GlobalNumber
+ * 2 MVPConf0 VPEConf0 TCBind
+ * 3 MVPConf1 VPEConf1 TCRestart
+ * 4 VPControl YQMask TCHalt
+ * 5 VPESchedule TCContext
+ * 6 VPEScheFBack TCSchedule
+ * 7 VPEOpt TCScheFBack TCOpt
+ *
+ *
+ * Register 4 Register 5 Register 6 Register 7
+ * ---------- ---------- ---------- ----------
+ *
+ * 0 Context PageMask Wired HWREna
+ * 1 ContextConfig PageGrain SRSConf0
+ * 2 UserLocal SegCtl0 SRSConf1
+ * 3 XContextConfig SegCtl1 SRSConf2
+ * 4 DebugContextID SegCtl2 SRSConf3
+ * 5 MemoryMapID PWBase SRSConf4
+ * 6 PWField PWCtl
+ * 7 PWSize
+ *
+ *
+ * Register 8 Register 9 Register 10 Register 11
+ * ---------- ---------- ----------- -----------
+ *
+ * 0 BadVAddr Count EntryHi Compare
+ * 1 BadInstr
+ * 2 BadInstrP
+ * 3 BadInstrX
+ * 4 GuestCtl1 GuestCtl0Ext
+ * 5 GuestCtl2
+ * 6 GuestCtl3
+ * 7
+ *
+ *
+ * Register 12 Register 13 Register 14 Register 15
+ * ----------- ----------- ----------- -----------
+ *
+ * 0 Status Cause EPC PRId
+ * 1 IntCtl EBase
+ * 2 SRSCtl NestedEPC CDMMBase
+ * 3 SRSMap CMGCRBase
+ * 4 View_IPL View_RIPL BEVVA
+ * 5 SRSMap2 NestedExc
+ * 6 GuestCtl0
+ * 7 GTOffset
+ *
+ *
+ * Register 16 Register 17 Register 18 Register 19
+ * ----------- ----------- ----------- -----------
+ *
+ * 0 Config LLAddr WatchLo WatchHi
+ * 1 Config1 MAAR WatchLo WatchHi
+ * 2 Config2 MAARI WatchLo WatchHi
+ * 3 Config3 WatchLo WatchHi
+ * 4 Config4 WatchLo WatchHi
+ * 5 Config5 WatchLo WatchHi
+ * 6 WatchLo WatchHi
+ * 7 WatchLo WatchHi
+ *
+ *
+ * Register 20 Register 21 Register 22 Register 23
+ * ----------- ----------- ----------- -----------
+ *
+ * 0 XContext Debug
+ * 1 TraceControl
+ * 2 TraceControl2
+ * 3 UserTraceData1
+ * 4 TraceIBPC
+ * 5 TraceDBPC
+ * 6 Debug2
+ * 7
+ *
+ *
+ * Register 24 Register 25 Register 26 Register 27
+ * ----------- ----------- ----------- -----------
+ *
+ * 0 DEPC PerfCnt ErrCtl CacheErr
+ * 1 PerfCnt
+ * 2 TraceControl3 PerfCnt
+ * 3 UserTraceData2 PerfCnt
+ * 4 PerfCnt
+ * 5 PerfCnt
+ * 6 PerfCnt
+ * 7 PerfCnt
+ *
+ *
+ * Register 28 Register 29 Register 30 Register 31
+ * ----------- ----------- ----------- -----------
+ *
+ * 0 DataLo DataHi ErrorEPC DESAVE
+ * 1 TagLo TagHi
+ * 2 DataLo DataHi KScratch<n>
+ * 3 TagLo TagHi KScratch<n>
+ * 4 DataLo DataHi KScratch<n>
+ * 5 TagLo TagHi KScratch<n>
+ * 6 DataLo DataHi KScratch<n>
+ * 7 TagLo TagHi KScratch<n>
+ *
+ */
+/*
+ * CP0 Register 0
+ */
int32_t CP0_Index;
/* CP0_MVP* are per MVP registers. */
int32_t CP0_VPControl;
#define CP0VPCtl_DIS 0
+/*
+ * CP0 Register 1
+ */
int32_t CP0_Random;
int32_t CP0_VPEControl;
#define CP0VPECo_YSI 21
#define CP0VPEOpt_DWX2 2
#define CP0VPEOpt_DWX1 1
#define CP0VPEOpt_DWX0 0
+/*
+ * CP0 Register 2
+ */
uint64_t CP0_EntryLo0;
+/*
+ * CP0 Register 3
+ */
uint64_t CP0_EntryLo1;
#if defined(TARGET_MIPS64)
# define CP0EnLo_RI 63
#endif
int32_t CP0_GlobalNumber;
#define CP0GN_VPId 0
+/*
+ * CP0 Register 4
+ */
target_ulong CP0_Context;
target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM];
+/*
+ * CP0 Register 5
+ */
int32_t CP0_PageMask;
int32_t CP0_PageGrain_rw_bitmask;
int32_t CP0_PageGrain;
#define CP0PG_XIE 30
#define CP0PG_ELPA 29
#define CP0PG_IEC 27
+ target_ulong CP0_SegCtl0;
+ target_ulong CP0_SegCtl1;
+ target_ulong CP0_SegCtl2;
+#define CP0SC_PA 9
+#define CP0SC_PA_MASK (0x7FULL << CP0SC_PA)
+#define CP0SC_PA_1GMASK (0x7EULL << CP0SC_PA)
+#define CP0SC_AM 4
+#define CP0SC_AM_MASK (0x7ULL << CP0SC_AM)
+#define CP0SC_AM_UK 0ULL
+#define CP0SC_AM_MK 1ULL
+#define CP0SC_AM_MSK 2ULL
+#define CP0SC_AM_MUSK 3ULL
+#define CP0SC_AM_MUSUK 4ULL
+#define CP0SC_AM_USK 5ULL
+#define CP0SC_AM_UUSK 7ULL
+#define CP0SC_EU 3
+#define CP0SC_EU_MASK (1ULL << CP0SC_EU)
+#define CP0SC_C 0
+#define CP0SC_C_MASK (0x7ULL << CP0SC_C)
+#define CP0SC_MASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \
+ CP0SC_PA_MASK)
+#define CP0SC_1GMASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \
+ CP0SC_PA_1GMASK)
+#define CP0SC0_MASK (CP0SC_MASK | (CP0SC_MASK << 16))
+#define CP0SC1_XAM 59
+#define CP0SC1_XAM_MASK (0x7ULL << CP0SC1_XAM)
+#define CP0SC1_MASK (CP0SC_MASK | (CP0SC_MASK << 16) | CP0SC1_XAM_MASK)
+#define CP0SC2_XR 56
+#define CP0SC2_XR_MASK (0xFFULL << CP0SC2_XR)
+#define CP0SC2_MASK (CP0SC_1GMASK | (CP0SC_1GMASK << 16) | CP0SC2_XR_MASK)
+/*
+ * CP0 Register 6
+ */
int32_t CP0_Wired;
int32_t CP0_SRSConf0_rw_bitmask;
int32_t CP0_SRSConf0;
#define CP0SRSC4_SRS15 20
#define CP0SRSC4_SRS14 10
#define CP0SRSC4_SRS13 0
+/*
+ * CP0 Register 7
+ */
int32_t CP0_HWREna;
+/*
+ * CP0 Register 8
+ */
target_ulong CP0_BadVAddr;
uint32_t CP0_BadInstr;
uint32_t CP0_BadInstrP;
+ uint32_t CP0_BadInstrX;
+/*
+ * CP0 Register 9
+ */
int32_t CP0_Count;
+/*
+ * CP0 Register 10
+ */
target_ulong CP0_EntryHi;
#define CP0EnHi_EHINV 10
target_ulong CP0_EntryHi_ASID_mask;
+/*
+ * CP0 Register 11
+ */
int32_t CP0_Compare;
+/*
+ * CP0 Register 12
+ */
int32_t CP0_Status;
#define CP0St_CU3 31
#define CP0St_CU2 30
#define CP0SRSMap_SSV2 8
#define CP0SRSMap_SSV1 4
#define CP0SRSMap_SSV0 0
+/*
+ * CP0 Register 13
+ */
int32_t CP0_Cause;
#define CP0Ca_BD 31
#define CP0Ca_TI 30
#define CP0Ca_IP 8
#define CP0Ca_IP_mask 0x0000FF00
#define CP0Ca_EC 2
+/*
+ * CP0 Register 14
+ */
target_ulong CP0_EPC;
+/*
+ * CP0 Register 15
+ */
int32_t CP0_PRid;
- int32_t CP0_EBase;
+ target_ulong CP0_EBase;
+ target_ulong CP0_EBaseWG_rw_bitmask;
+#define CP0EBase_WG 11
target_ulong CP0_CMGCRBase;
+/*
+ * CP0 Register 16
+ */
int32_t CP0_Config0;
#define CP0C0_M 31
-#define CP0C0_K23 28
-#define CP0C0_KU 25
+#define CP0C0_K23 28 /* 30..28 */
+#define CP0C0_KU 25 /* 27..25 */
#define CP0C0_MDU 20
#define CP0C0_MM 18
#define CP0C0_BM 16
+#define CP0C0_Impl 16 /* 24..16 */
#define CP0C0_BE 15
-#define CP0C0_AT 13
-#define CP0C0_AR 10
-#define CP0C0_MT 7
+#define CP0C0_AT 13 /* 14..13 */
+#define CP0C0_AR 10 /* 12..10 */
+#define CP0C0_MT 7 /* 9..7 */
#define CP0C0_VI 3
-#define CP0C0_K0 0
+#define CP0C0_K0 0 /* 2..0 */
int32_t CP0_Config1;
#define CP0C1_M 31
-#define CP0C1_MMU 25
-#define CP0C1_IS 22
-#define CP0C1_IL 19
-#define CP0C1_IA 16
-#define CP0C1_DS 13
-#define CP0C1_DL 10
-#define CP0C1_DA 7
+#define CP0C1_MMU 25 /* 30..25 */
+#define CP0C1_IS 22 /* 24..22 */
+#define CP0C1_IL 19 /* 21..19 */
+#define CP0C1_IA 16 /* 18..16 */
+#define CP0C1_DS 13 /* 15..13 */
+#define CP0C1_DL 10 /* 12..10 */
+#define CP0C1_DA 7 /* 9..7 */
#define CP0C1_C2 6
#define CP0C1_MD 5
#define CP0C1_PC 4
#define CP0C1_FP 0
int32_t CP0_Config2;
#define CP0C2_M 31
-#define CP0C2_TU 28
-#define CP0C2_TS 24
-#define CP0C2_TL 20
-#define CP0C2_TA 16
-#define CP0C2_SU 12
-#define CP0C2_SS 8
-#define CP0C2_SL 4
-#define CP0C2_SA 0
+#define CP0C2_TU 28 /* 30..28 */
+#define CP0C2_TS 24 /* 27..24 */
+#define CP0C2_TL 20 /* 23..20 */
+#define CP0C2_TA 16 /* 19..16 */
+#define CP0C2_SU 12 /* 15..12 */
+#define CP0C2_SS 8 /* 11..8 */
+#define CP0C2_SL 4 /* 7..4 */
+#define CP0C2_SA 0 /* 3..0 */
int32_t CP0_Config3;
-#define CP0C3_M 31
-#define CP0C3_BPG 30
-#define CP0C3_CMGCR 29
-#define CP0C3_MSAP 28
-#define CP0C3_BP 27
-#define CP0C3_BI 26
-#define CP0C3_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
+#define CP0C3_M 31
+#define CP0C3_BPG 30
+#define CP0C3_CMGCR 29
+#define CP0C3_MSAP 28
+#define CP0C3_BP 27
+#define CP0C3_BI 26
+#define CP0C3_SC 25
+#define CP0C3_PW 24
+#define CP0C3_VZ 23
+#define CP0C3_IPLV 21 /* 22..21 */
+#define CP0C3_MMAR 18 /* 20..18 */
+#define CP0C3_MCU 17
+#define CP0C3_ISA_ON_EXC 16
+#define CP0C3_ISA 14 /* 15..14 */
+#define CP0C3_ULRI 13
+#define CP0C3_RXI 12
+#define CP0C3_DSP2P 11
+#define CP0C3_DSPP 10
+#define CP0C3_CTXTC 9
+#define CP0C3_ITL 8
+#define CP0C3_LPA 7
+#define CP0C3_VEIC 6
+#define CP0C3_VInt 5
+#define CP0C3_SP 4
+#define CP0C3_CDMM 3
+#define CP0C3_MT 2
+#define CP0C3_SM 1
+#define CP0C3_TL 0
int32_t CP0_Config4;
int32_t CP0_Config4_rw_bitmask;
-#define CP0C4_M 31
-#define CP0C4_IE 29
-#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
+#define CP0C4_M 31
+#define CP0C4_IE 29 /* 30..29 */
+#define CP0C4_AE 28
+#define CP0C4_VTLBSizeExt 24 /* 27..24 */
+#define CP0C4_KScrExist 16
+#define CP0C4_MMUExtDef 14
+#define CP0C4_FTLBPageSize 8 /* 12..8 */
+/* bit layout if MMUExtDef=1 */
+#define CP0C4_MMUSizeExt 0 /* 7..0 */
+/* bit layout if MMUExtDef=2 */
+#define CP0C4_FTLBWays 4 /* 7..4 */
+#define CP0C4_FTLBSets 0 /* 3..0 */
int32_t CP0_Config5;
int32_t CP0_Config5_rw_bitmask;
-#define CP0C5_M 31
-#define CP0C5_K 30
-#define CP0C5_CV 29
-#define CP0C5_EVA 28
-#define CP0C5_MSAEn 27
-#define CP0C5_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
+#define CP0C5_M 31
+#define CP0C5_K 30
+#define CP0C5_CV 29
+#define CP0C5_EVA 28
+#define CP0C5_MSAEn 27
+#define CP0C5_PMJ 23 /* 25..23 */
+#define CP0C5_WR2 22
+#define CP0C5_NMS 21
+#define CP0C5_ULS 20
+#define CP0C5_XPA 19
+#define CP0C5_CRCP 18
+#define CP0C5_MI 17
+#define CP0C5_GI 15 /* 16..15 */
+#define CP0C5_CA2 14
+#define CP0C5_XNP 13
+#define CP0C5_DEC 11
+#define CP0C5_L2C 10
+#define CP0C5_UFE 9
+#define CP0C5_FRE 8
+#define CP0C5_VP 7
+#define CP0C5_SBRI 6
+#define CP0C5_MVH 5
+#define CP0C5_LLB 4
+#define CP0C5_MRP 3
+#define CP0C5_UFR 2
+#define CP0C5_NFExists 0
int32_t CP0_Config6;
int32_t CP0_Config7;
uint64_t CP0_MAAR[MIPS_MAAR_MAX];
int32_t CP0_MAARI;
/* XXX: Maybe make LLAddr per-TC? */
+/*
+ * CP0 Register 17
+ */
uint64_t lladdr;
target_ulong llval;
target_ulong llnewval;
+ uint64_t llval_wp;
+ uint32_t llnewval_wp;
target_ulong llreg;
uint64_t CP0_LLAddr_rw_bitmask;
int CP0_LLAddr_shift;
+/*
+ * CP0 Register 18
+ */
target_ulong CP0_WatchLo[8];
+/*
+ * CP0 Register 19
+ */
int32_t CP0_WatchHi[8];
#define CP0WH_ASID 16
+/*
+ * CP0 Register 20
+ */
target_ulong CP0_XContext;
int32_t CP0_Framemask;
+/*
+ * CP0 Register 23
+ */
int32_t CP0_Debug;
#define CP0DB_DBD 31
#define CP0DB_DM 30
#define CP0DB_DDBL 2
#define CP0DB_DBp 1
#define CP0DB_DSS 0
+/*
+ * CP0 Register 24
+ */
target_ulong CP0_DEPC;
+/*
+ * CP0 Register 25
+ */
int32_t CP0_Performance0;
+/*
+ * CP0 Register 26
+ */
int32_t CP0_ErrCtl;
#define CP0EC_WST 29
#define CP0EC_SPR 28
#define CP0EC_ITC 26
+/*
+ * CP0 Register 28
+ */
uint64_t CP0_TagLo;
int32_t CP0_DataLo;
+/*
+ * CP0 Register 29
+ */
int32_t CP0_TagHi;
int32_t CP0_DataHi;
+/*
+ * CP0 Register 30
+ */
target_ulong CP0_ErrorEPC;
+/*
+ * CP0 Register 31
+ */
int32_t CP0_DESAVE;
+
/* We waste some space so we can handle shadow registers like TCs. */
TCState tcs[MIPS_SHADOW_SET_MAX];
CPUMIPSFPUContext fpus[MIPS_FPU_MAX];
#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 0xF5807FF
+#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
#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. */
+#define MIPS_HFLAG_DSP 0x080000 /* Enable access to DSP resources. */
+#define MIPS_HFLAG_DSP_R2 0x100000 /* Enable access to DSP R2 resources. */
+#define MIPS_HFLAG_DSP_R3 0x20000000 /* Enable access to DSP R3 resources. */
/* Extra flag about HWREna register. */
#define MIPS_HFLAG_HWRENA_ULR 0x200000 /* ULR bit from HWREna is set. */
#define MIPS_HFLAG_SBRI 0x400000 /* R6 SDBBP causes RI excpt. in user mode */
#define MIPS_HFLAG_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 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 */
+ uint64_t insn_flags; /* Supported instruction set */
/* Fields up to this point are cleared by a CPU reset */
struct {} end_reset_fields;
#define ENV_OFFSET offsetof(MIPSCPU, env)
-#ifndef CONFIG_USER_ONLY
-extern const struct VMStateDescription vmstate_mips_cpu;
-#endif
-
-void mips_cpu_do_interrupt(CPUState *cpu);
-bool mips_cpu_exec_interrupt(CPUState *cpu, int int_req);
-void mips_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
- int flags);
-hwaddr mips_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
-int mips_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
-int mips_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
-void mips_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
- MMUAccessType access_type,
- int mmu_idx, uintptr_t retaddr);
-
-#if !defined(CONFIG_USER_ONLY)
-int no_mmu_map_address (CPUMIPSState *env, hwaddr *physical, int *prot,
- target_ulong address, int rw, int access_type);
-int fixed_mmu_map_address (CPUMIPSState *env, hwaddr *physical, int *prot,
- target_ulong address, int rw, int access_type);
-int r4k_map_address (CPUMIPSState *env, hwaddr *physical, int *prot,
- target_ulong address, int rw, int access_type);
-void r4k_helper_tlbwi(CPUMIPSState *env);
-void r4k_helper_tlbwr(CPUMIPSState *env);
-void r4k_helper_tlbp(CPUMIPSState *env);
-void r4k_helper_tlbr(CPUMIPSState *env);
-void r4k_helper_tlbinv(CPUMIPSState *env);
-void r4k_helper_tlbinvf(CPUMIPSState *env);
-
-void mips_cpu_unassigned_access(CPUState *cpu, hwaddr addr,
- bool is_write, bool is_exec, int unused,
- unsigned size);
-#endif
-
void mips_cpu_list (FILE *f, fprintf_function cpu_fprintf);
#define cpu_signal_handler cpu_mips_signal_handler
#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 cpu_mmu_index (CPUMIPSState *env, bool ifetch)
-{
- return env->hflags & MIPS_HFLAG_KSU;
-}
-static inline bool cpu_mips_hw_interrupts_enabled(CPUMIPSState *env)
+static inline int hflags_mmu_index(uint32_t hflags)
{
- return (env->CP0_Status & (1 << CP0St_IE)) &&
- !(env->CP0_Status & (1 << CP0St_EXL)) &&
- !(env->CP0_Status & (1 << CP0St_ERL)) &&
- !(env->hflags & MIPS_HFLAG_DM) &&
- /* Note that the TCStatus IXMT field is initialized to zero,
- and only MT capable cores can set it to one. So we don't
- need to check for MT capabilities here. */
- !(env->active_tc.CP0_TCStatus & (1 << CP0TCSt_IXMT));
+ if (hflags & MIPS_HFLAG_ERL) {
+ return 3; /* ERL */
+ } else {
+ return hflags & MIPS_HFLAG_KSU;
+ }
}
-/* Check if there is pending and not masked out interrupt */
-static inline bool cpu_mips_hw_interrupts_pending(CPUMIPSState *env)
+static inline int cpu_mmu_index (CPUMIPSState *env, bool ifetch)
{
- int32_t pending;
- int32_t status;
- bool r;
-
- pending = env->CP0_Cause & CP0Ca_IP_mask;
- status = env->CP0_Status & CP0Ca_IP_mask;
-
- if (env->CP0_Config3 & (1 << CP0C3_VEIC)) {
- /* A MIPS configured with a vectorizing external interrupt controller
- will feed a vector into the Cause pending lines. The core treats
- the status lines as a vector level, not as indiviual masks. */
- r = pending > status;
- } else {
- /* A MIPS configured with compatibility or VInt (Vectored Interrupts)
- treats the pending lines as individual interrupt lines, the status
- lines are individual masks. */
- r = (pending & status) != 0;
- }
- return r;
+ return hflags_mmu_index(env->hflags);
}
#include "exec/cpu-all.h"
#define EXCP_SC 0x100
/*
- * This is an interrnally generated WAKE request line.
+ * 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
-void mips_tcg_init(void);
-MIPSCPU *cpu_mips_init(const char *cpu_model);
int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
-#define cpu_init(cpu_model) CPU(cpu_mips_init(cpu_model))
-bool cpu_supports_cps_smp(const char *cpu_model);
-bool cpu_supports_isa(const char *cpu_model, unsigned int isa);
-void cpu_set_exception_base(int vp_index, target_ulong address);
-
-/* TODO QOM'ify CPU reset and remove */
-void cpu_state_reset(CPUMIPSState *s);
+#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
-/* mips_timer.c */
-uint32_t cpu_mips_get_random (CPUMIPSState *env);
-uint32_t cpu_mips_get_count (CPUMIPSState *env);
-void cpu_mips_store_count (CPUMIPSState *env, uint32_t value);
-void cpu_mips_store_compare (CPUMIPSState *env, uint32_t value);
-void cpu_mips_start_count(CPUMIPSState *env);
-void cpu_mips_stop_count(CPUMIPSState *env);
+bool cpu_supports_cps_smp(const char *cpu_type);
+bool cpu_supports_isa(const char *cpu_type, unsigned int isa);
+void cpu_set_exception_base(int vp_index, target_ulong address);
/* mips_int.c */
void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level);
/* helper.c */
-int mips_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw,
- int mmu_idx);
-
-/* op_helper.c */
-uint32_t float_class_s(uint32_t arg, float_status *fst);
-uint64_t float_class_d(uint64_t arg, float_status *fst);
-
-#if !defined(CONFIG_USER_ONLY)
-void r4k_invalidate_tlb (CPUMIPSState *env, int idx, int use_extra);
-hwaddr cpu_mips_translate_address (CPUMIPSState *env, target_ulong address,
- int rw);
-#endif
target_ulong exception_resume_pc (CPUMIPSState *env);
-/* op_helper.c */
-extern unsigned int ieee_rm[];
-int ieee_ex_to_mips(int xcpt);
-
-static inline void restore_rounding_mode(CPUMIPSState *env)
-{
- set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3],
- &env->active_fpu.fp_status);
-}
-
-static inline void restore_flush_mode(CPUMIPSState *env)
-{
- set_flush_to_zero((env->active_fpu.fcr31 & (1 << FCR31_FS)) != 0,
- &env->active_fpu.fp_status);
-}
-
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 restore_fp_status(CPUMIPSState *env)
-{
- restore_rounding_mode(env);
- restore_flush_mode(env);
- restore_snan_bit_mode(env);
-}
-
-static inline void restore_msa_fp_status(CPUMIPSState *env)
-{
- float_status *status = &env->active_tc.msa_fp_status;
- int rounding_mode = (env->active_tc.msacsr & MSACSR_RM_MASK) >> MSACSR_RM;
- bool flush_to_zero = (env->active_tc.msacsr & MSACSR_FS_MASK) != 0;
-
- set_float_rounding_mode(ieee_rm[rounding_mode], status);
- set_flush_to_zero(flush_to_zero, status);
- set_flush_inputs_to_zero(flush_to_zero, status);
-}
-
-static inline void restore_pamask(CPUMIPSState *env)
-{
- if (env->hflags & MIPS_HFLAG_ELPA) {
- env->PAMask = (1ULL << env->PABITS) - 1;
- } else {
- env->PAMask = PAMASK_BASE;
- }
-}
-
static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc,
target_ulong *cs_base, uint32_t *flags)
{
MIPS_HFLAG_HWRENA_ULR);
}
-static inline int mips_vpe_active(CPUMIPSState *env)
-{
- int active = 1;
-
- /* Check that the VPE is enabled. */
- if (!(env->mvp->CP0_MVPControl & (1 << CP0MVPCo_EVP))) {
- active = 0;
- }
- /* Check that the VPE is activated. */
- if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))) {
- active = 0;
- }
-
- /* Now verify that there are active thread contexts in the VPE.
-
- This assumes the CPU model will internally reschedule threads
- if the active one goes to sleep. If there are no threads available
- the active one will be in a sleeping state, and we can turn off
- the entire VPE. */
- if (!(env->active_tc.CP0_TCStatus & (1 << CP0TCSt_A))) {
- /* TC is not activated. */
- active = 0;
- }
- if (env->active_tc.CP0_TCHalt & 1) {
- /* TC is in halt state. */
- active = 0;
- }
-
- return active;
-}
-
-static inline int mips_vp_active(CPUMIPSState *env)
-{
- CPUState *other_cs = first_cpu;
-
- /* Check if the VP disabled other VPs (which means the VP is enabled) */
- if ((env->CP0_VPControl >> CP0VPCtl_DIS) & 1) {
- return 1;
- }
-
- /* Check if the virtual processor is disabled due to a DVP */
- CPU_FOREACH(other_cs) {
- MIPSCPU *other_cpu = MIPS_CPU(other_cs);
- if ((&other_cpu->env != env) &&
- ((other_cpu->env.CP0_VPControl >> CP0VPCtl_DIS) & 1)) {
- return 0;
- }
- }
- return 1;
-}
-
-static inline void compute_hflags(CPUMIPSState *env)
-{
- env->hflags &= ~(MIPS_HFLAG_COP1X | MIPS_HFLAG_64 | MIPS_HFLAG_CP0 |
- MIPS_HFLAG_F64 | MIPS_HFLAG_FPU | MIPS_HFLAG_KSU |
- MIPS_HFLAG_AWRAP | MIPS_HFLAG_DSP | MIPS_HFLAG_DSPR2 |
- MIPS_HFLAG_SBRI | MIPS_HFLAG_MSA | MIPS_HFLAG_FRE |
- MIPS_HFLAG_ELPA);
- if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
- !(env->CP0_Status & (1 << CP0St_ERL)) &&
- !(env->hflags & MIPS_HFLAG_DM)) {
- env->hflags |= (env->CP0_Status >> CP0St_KSU) & MIPS_HFLAG_KSU;
- }
-#if defined(TARGET_MIPS64)
- if ((env->insn_flags & ISA_MIPS3) &&
- (((env->hflags & MIPS_HFLAG_KSU) != MIPS_HFLAG_UM) ||
- (env->CP0_Status & (1 << CP0St_PX)) ||
- (env->CP0_Status & (1 << CP0St_UX)))) {
- env->hflags |= MIPS_HFLAG_64;
- }
-
- if (!(env->insn_flags & ISA_MIPS3)) {
- env->hflags |= MIPS_HFLAG_AWRAP;
- } else if (((env->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
- !(env->CP0_Status & (1 << CP0St_UX))) {
- env->hflags |= MIPS_HFLAG_AWRAP;
- } else if (env->insn_flags & ISA_MIPS64R6) {
- /* Address wrapping for Supervisor and Kernel is specified in R6 */
- if ((((env->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_SM) &&
- !(env->CP0_Status & (1 << CP0St_SX))) ||
- (((env->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_KM) &&
- !(env->CP0_Status & (1 << CP0St_KX)))) {
- env->hflags |= MIPS_HFLAG_AWRAP;
- }
- }
-#endif
- if (((env->CP0_Status & (1 << CP0St_CU0)) &&
- !(env->insn_flags & ISA_MIPS32R6)) ||
- !(env->hflags & MIPS_HFLAG_KSU)) {
- env->hflags |= MIPS_HFLAG_CP0;
- }
- if (env->CP0_Status & (1 << CP0St_CU1)) {
- env->hflags |= MIPS_HFLAG_FPU;
- }
- if (env->CP0_Status & (1 << CP0St_FR)) {
- env->hflags |= MIPS_HFLAG_F64;
- }
- if (((env->hflags & MIPS_HFLAG_KSU) != MIPS_HFLAG_KM) &&
- (env->CP0_Config5 & (1 << CP0C5_SBRI))) {
- env->hflags |= MIPS_HFLAG_SBRI;
- }
- if (env->insn_flags & ASE_DSPR2) {
- /* Enables access MIPS DSP resources, now our cpu is DSP ASER2,
- so enable to access DSPR2 resources. */
- if (env->CP0_Status & (1 << CP0St_MX)) {
- env->hflags |= MIPS_HFLAG_DSP | MIPS_HFLAG_DSPR2;
- }
-
- } else if (env->insn_flags & ASE_DSP) {
- /* Enables access MIPS DSP resources, now our cpu is DSP ASE,
- so enable to access DSP resources. */
- if (env->CP0_Status & (1 << CP0St_MX)) {
- env->hflags |= MIPS_HFLAG_DSP;
- }
-
- }
- if (env->insn_flags & ISA_MIPS32R2) {
- if (env->active_fpu.fcr0 & (1 << FCR0_F64)) {
- env->hflags |= MIPS_HFLAG_COP1X;
- }
- } else if (env->insn_flags & ISA_MIPS32) {
- if (env->hflags & MIPS_HFLAG_64) {
- env->hflags |= MIPS_HFLAG_COP1X;
- }
- } else if (env->insn_flags & ISA_MIPS4) {
- /* All supported MIPS IV CPUs use the XX (CU3) to enable
- and disable the MIPS IV extensions to the MIPS III ISA.
- Some other MIPS IV CPUs ignore the bit, so the check here
- would be too restrictive for them. */
- if (env->CP0_Status & (1U << CP0St_CU3)) {
- env->hflags |= MIPS_HFLAG_COP1X;
- }
- }
- if (env->insn_flags & ASE_MSA) {
- if (env->CP0_Config5 & (1 << CP0C5_MSAEn)) {
- env->hflags |= MIPS_HFLAG_MSA;
- }
- }
- if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) {
- if (env->CP0_Config5 & (1 << CP0C5_FRE)) {
- env->hflags |= MIPS_HFLAG_FRE;
- }
- }
- if (env->CP0_Config3 & (1 << CP0C3_LPA)) {
- if (env->CP0_PageGrain & (1 << CP0PG_ELPA)) {
- env->hflags |= MIPS_HFLAG_ELPA;
- }
- }
-}
-
-void cpu_mips_tlb_flush(CPUMIPSState *env);
-void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc);
-void cpu_mips_store_status(CPUMIPSState *env, target_ulong val);
-void cpu_mips_store_cause(CPUMIPSState *env, target_ulong val);
-
-void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env, uint32_t exception,
- int error_code, uintptr_t pc);
-
-static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
- uint32_t exception,
- uintptr_t pc)
-{
- do_raise_exception_err(env, exception, 0, pc);
-}
-
#endif /* MIPS_CPU_H */
projects / qemu.git / blobdiff