typedef unsigned int uint_fast16_t;
#endif
-typedef union fpr_t fpr_t;
-union fpr_t {
- float64 fd; /* ieee double precision */
- float32 fs[2];/* ieee single precision */
- uint64_t d; /* binary double fixed-point */
- uint32_t w[2]; /* binary single fixed-point */
-};
-/* define FP_ENDIAN_IDX to access the same location
- * in the fpr_t union regardless of the host endianess
- */
-#if defined(WORDS_BIGENDIAN)
-# define FP_ENDIAN_IDX 1
-#else
-# define FP_ENDIAN_IDX 0
-#endif
+struct CPUMIPSState;
typedef struct r4k_tlb_t r4k_tlb_t;
struct r4k_tlb_t {
target_ulong PFN[2];
};
-typedef struct mips_def_t mips_def_t;
+typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
+struct CPUMIPSTLBContext {
+ uint32_t nb_tlb;
+ uint32_t tlb_in_use;
+ int (*map_address) (struct CPUMIPSState *env, target_ulong *physical, int *prot, target_ulong address, int rw, int access_type);
+ void (*do_tlbwi) (void);
+ void (*do_tlbwr) (void);
+ void (*do_tlbp) (void);
+ void (*do_tlbr) (void);
+ union {
+ struct {
+ r4k_tlb_t tlb[MIPS_TLB_MAX];
+ } r4k;
+ } mmu;
+};
-typedef struct CPUMIPSState CPUMIPSState;
-struct CPUMIPSState {
- /* General integer registers */
- target_ulong gpr[32];
- /* Special registers */
- target_ulong PC;
-#if TARGET_LONG_BITS > HOST_LONG_BITS
- target_ulong t0;
- target_ulong t1;
- target_ulong t2;
+typedef union fpr_t fpr_t;
+union fpr_t {
+ float64 fd; /* ieee double precision */
+ float32 fs[2];/* ieee single precision */
+ uint64_t d; /* binary double fixed-point */
+ uint32_t w[2]; /* binary single fixed-point */
+};
+/* define FP_ENDIAN_IDX to access the same location
+ * in the fpr_t union regardless of the host endianess
+ */
+#if defined(WORDS_BIGENDIAN)
+# define FP_ENDIAN_IDX 1
+#else
+# define FP_ENDIAN_IDX 0
#endif
- target_ulong HI, LO;
+
+typedef struct CPUMIPSFPUContext CPUMIPSFPUContext;
+struct CPUMIPSFPUContext {
/* Floating point registers */
fpr_t fpr[32];
-#ifndef USE_HOST_FLOAT_REGS
- fpr_t ft0;
- fpr_t ft1;
- fpr_t ft2;
-#endif
float_status fp_status;
/* fpu implementation/revision register (fir) */
uint32_t fcr0;
#define FP_DIV0 8
#define FP_INVALID 16
#define FP_UNIMPLEMENTED 32
+};
- uint32_t nb_tlb;
- uint32_t tlb_in_use;
- int (*map_address) (CPUMIPSState *env, target_ulong *physical, int *prot, target_ulong address, int rw, int access_type);
- void (*do_tlbwi) (void);
- void (*do_tlbwr) (void);
- void (*do_tlbp) (void);
- void (*do_tlbr) (void);
- union {
- struct {
- r4k_tlb_t tlb[MIPS_TLB_MAX];
- } r4k;
- } mmu;
+#define NB_MMU_MODES 3
+
+typedef struct CPUMIPSMVPContext CPUMIPSMVPContext;
+struct CPUMIPSMVPContext {
+ int32_t CP0_MVPControl;
+#define CP0MVPCo_CPA 3
+#define CP0MVPCo_STLB 2
+#define CP0MVPCo_VPC 1
+#define CP0MVPCo_EVP 0
+ int32_t CP0_MVPConf0;
+#define CP0MVPC0_M 31
+#define CP0MVPC0_TLBS 29
+#define CP0MVPC0_GS 28
+#define CP0MVPC0_PCP 27
+#define CP0MVPC0_PTLBE 16
+#define CP0MVPC0_TCA 15
+#define CP0MVPC0_PVPE 10
+#define CP0MVPC0_PTC 0
+ int32_t CP0_MVPConf1;
+#define CP0MVPC1_CIM 31
+#define CP0MVPC1_CIF 30
+#define CP0MVPC1_PCX 20
+#define CP0MVPC1_PCP2 10
+#define CP0MVPC1_PCP1 0
+};
+
+typedef struct mips_def_t mips_def_t;
+
+#define MIPS_SHADOW_SET_MAX 16
+#define MIPS_TC_MAX 5
+#define MIPS_DSP_ACC 4
+
+typedef struct CPUMIPSState CPUMIPSState;
+struct CPUMIPSState {
+ /* General integer registers */
+ target_ulong gpr[MIPS_SHADOW_SET_MAX][32];
+ /* Special registers */
+ target_ulong PC[MIPS_TC_MAX];
+#if TARGET_LONG_BITS > HOST_LONG_BITS
+ target_ulong t0;
+ target_ulong t1;
+#endif
+ /* temporary hack for FP globals */
+#ifndef USE_HOST_FLOAT_REGS
+ fpr_t ft0;
+ fpr_t ft1;
+ fpr_t ft2;
+#endif
+ target_ulong HI[MIPS_TC_MAX][MIPS_DSP_ACC];
+ target_ulong LO[MIPS_TC_MAX][MIPS_DSP_ACC];
+ target_ulong ACX[MIPS_TC_MAX][MIPS_DSP_ACC];
+ target_ulong DSPControl[MIPS_TC_MAX];
+
+ CPUMIPSMVPContext *mvp;
+ CPUMIPSTLBContext *tlb;
+ CPUMIPSFPUContext *fpu;
+ uint32_t current_tc;
+ target_ulong *current_tc_gprs;
+ target_ulong *current_tc_hi;
+
+ uint32_t SEGBITS;
+ target_ulong SEGMask;
+ uint32_t PABITS;
+ target_ulong PAMask;
int32_t CP0_Index;
+ /* CP0_MVP* are per MVP registers. */
int32_t CP0_Random;
+ int32_t CP0_VPEControl;
+#define CP0VPECo_YSI 21
+#define CP0VPECo_GSI 20
+#define CP0VPECo_EXCPT 16
+#define CP0VPECo_TE 15
+#define CP0VPECo_TargTC 0
+ int32_t CP0_VPEConf0;
+#define CP0VPEC0_M 31
+#define CP0VPEC0_XTC 21
+#define CP0VPEC0_TCS 19
+#define CP0VPEC0_SCS 18
+#define CP0VPEC0_DSC 17
+#define CP0VPEC0_ICS 16
+#define CP0VPEC0_MVP 1
+#define CP0VPEC0_VPA 0
+ int32_t CP0_VPEConf1;
+#define CP0VPEC1_NCX 20
+#define CP0VPEC1_NCP2 10
+#define CP0VPEC1_NCP1 0
+ target_ulong CP0_YQMask;
+ target_ulong CP0_VPESchedule;
+ target_ulong CP0_VPEScheFBack;
+ int32_t CP0_VPEOpt;
+#define CP0VPEOpt_IWX7 15
+#define CP0VPEOpt_IWX6 14
+#define CP0VPEOpt_IWX5 13
+#define CP0VPEOpt_IWX4 12
+#define CP0VPEOpt_IWX3 11
+#define CP0VPEOpt_IWX2 10
+#define CP0VPEOpt_IWX1 9
+#define CP0VPEOpt_IWX0 8
+#define CP0VPEOpt_DWX7 7
+#define CP0VPEOpt_DWX6 6
+#define CP0VPEOpt_DWX5 5
+#define CP0VPEOpt_DWX4 4
+#define CP0VPEOpt_DWX3 3
+#define CP0VPEOpt_DWX2 2
+#define CP0VPEOpt_DWX1 1
+#define CP0VPEOpt_DWX0 0
target_ulong CP0_EntryLo0;
+ int32_t CP0_TCStatus[MIPS_TC_MAX];
+#define CP0TCSt_TCU3 31
+#define CP0TCSt_TCU2 30
+#define CP0TCSt_TCU1 29
+#define CP0TCSt_TCU0 28
+#define CP0TCSt_TMX 27
+#define CP0TCSt_RNST 23
+#define CP0TCSt_TDS 21
+#define CP0TCSt_DT 20
+#define CP0TCSt_DA 15
+#define CP0TCSt_A 13
+#define CP0TCSt_TKSU 11
+#define CP0TCSt_IXMT 10
+#define CP0TCSt_TASID 0
+ int32_t CP0_TCBind[MIPS_TC_MAX];
+#define CP0TCBd_CurTC 21
+#define CP0TCBd_TBE 17
+#define CP0TCBd_CurVPE 0
+ target_ulong CP0_TCHalt[MIPS_TC_MAX];
+ target_ulong CP0_TCContext[MIPS_TC_MAX];
+ target_ulong CP0_TCSchedule[MIPS_TC_MAX];
+ target_ulong CP0_TCScheFBack[MIPS_TC_MAX];
target_ulong CP0_EntryLo1;
target_ulong CP0_Context;
int32_t CP0_PageMask;
int32_t CP0_PageGrain;
int32_t CP0_Wired;
+ int32_t CP0_SRSConf0_rw_bitmask;
+ int32_t CP0_SRSConf0;
+#define CP0SRSC0_M 31
+#define CP0SRSC0_SRS3 20
+#define CP0SRSC0_SRS2 10
+#define CP0SRSC0_SRS1 0
+ int32_t CP0_SRSConf1_rw_bitmask;
+ int32_t CP0_SRSConf1;
+#define CP0SRSC1_M 31
+#define CP0SRSC1_SRS6 20
+#define CP0SRSC1_SRS5 10
+#define CP0SRSC1_SRS4 0
+ int32_t CP0_SRSConf2_rw_bitmask;
+ int32_t CP0_SRSConf2;
+#define CP0SRSC2_M 31
+#define CP0SRSC2_SRS9 20
+#define CP0SRSC2_SRS8 10
+#define CP0SRSC2_SRS7 0
+ int32_t CP0_SRSConf3_rw_bitmask;
+ int32_t CP0_SRSConf3;
+#define CP0SRSC3_M 31
+#define CP0SRSC3_SRS12 20
+#define CP0SRSC3_SRS11 10
+#define CP0SRSC3_SRS10 0
+ int32_t CP0_SRSConf4_rw_bitmask;
+ int32_t CP0_SRSConf4;
+#define CP0SRSC4_SRS15 20
+#define CP0SRSC4_SRS14 10
+#define CP0SRSC4_SRS13 0
int32_t CP0_HWREna;
target_ulong CP0_BadVAddr;
int32_t CP0_Count;
#define CP0St_KX 7
#define CP0St_SX 6
#define CP0St_UX 5
-#define CP0St_UM 4
-#define CP0St_R0 3
+#define CP0St_KSU 3
#define CP0St_ERL 2
#define CP0St_EXL 1
#define CP0St_IE 0
int32_t CP0_IntCtl;
+#define CP0IntCtl_IPTI 29
+#define CP0IntCtl_IPPC1 26
+#define CP0IntCtl_VS 5
int32_t CP0_SRSCtl;
+#define CP0SRSCtl_HSS 26
+#define CP0SRSCtl_EICSS 18
+#define CP0SRSCtl_ESS 12
+#define CP0SRSCtl_PSS 6
+#define CP0SRSCtl_CSS 0
int32_t CP0_SRSMap;
+#define CP0SRSMap_SSV7 28
+#define CP0SRSMap_SSV6 24
+#define CP0SRSMap_SSV5 20
+#define CP0SRSMap_SSV4 16
+#define CP0SRSMap_SSV3 12
+#define CP0SRSMap_SSV2 8
+#define CP0SRSMap_SSV1 4
+#define CP0SRSMap_SSV0 0
int32_t CP0_Cause;
#define CP0Ca_BD 31
#define CP0Ca_TI 30
#define CP0C3_TL 0
int32_t CP0_Config6;
int32_t CP0_Config7;
+ /* XXX: Maybe make LLAddr per-TC? */
target_ulong CP0_LLAddr;
target_ulong CP0_WatchLo[8];
int32_t CP0_WatchHi[8];
target_ulong CP0_XContext;
int32_t CP0_Framemask;
int32_t CP0_Debug;
-#define CPDB_DBD 31
+#define CP0DB_DBD 31
#define CP0DB_DM 30
#define CP0DB_LSNM 28
#define CP0DB_Doze 27
#define CP0DB_DDBL 2
#define CP0DB_DBp 1
#define CP0DB_DSS 0
+ int32_t CP0_Debug_tcstatus[MIPS_TC_MAX];
target_ulong CP0_DEPC;
int32_t CP0_Performance0;
int32_t CP0_TagLo;
int32_t CP0_DESAVE;
/* Qemu */
int interrupt_request;
- jmp_buf jmp_env;
- int exception_index;
int error_code;
int user_mode_only; /* user mode only simulation */
uint32_t hflags; /* CPU State */
/* TMASK defines different execution modes */
-#define MIPS_HFLAG_TMASK 0x007F
+#define MIPS_HFLAG_TMASK 0x01FF
#define MIPS_HFLAG_MODE 0x0007 /* execution modes */
-#define MIPS_HFLAG_UM 0x0001 /* user mode */
-#define MIPS_HFLAG_DM 0x0002 /* Debug mode */
-#define MIPS_HFLAG_SM 0x0004 /* Supervisor mode */
+ /* 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 0x0003 /* kernel/supervisor/user mode mask */
+#define MIPS_HFLAG_UM 0x0002 /* user mode flag */
+#define MIPS_HFLAG_SM 0x0001 /* supervisor mode flag */
+#define MIPS_HFLAG_KM 0x0000 /* kernel mode flag */
+#define MIPS_HFLAG_DM 0x0004 /* Debug mode */
#define MIPS_HFLAG_64 0x0008 /* 64-bit instructions enabled */
-#define MIPS_HFLAG_FPU 0x0010 /* FPU enabled */
-#define MIPS_HFLAG_F64 0x0020 /* 64-bit FPU enabled */
-#define MIPS_HFLAG_RE 0x0040 /* Reversed endianness */
+#define MIPS_HFLAG_CP0 0x0010 /* CP0 enabled */
+#define MIPS_HFLAG_FPU 0x0020 /* FPU enabled */
+#define MIPS_HFLAG_F64 0x0040 /* 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 0x0080 /* COP1X instructions enabled */
+#define MIPS_HFLAG_RE 0x0100 /* Reversed endianness */
/* 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 0x0380
-#define MIPS_HFLAG_B 0x0080 /* Unconditional branch */
-#define MIPS_HFLAG_BC 0x0100 /* Conditional branch */
-#define MIPS_HFLAG_BL 0x0180 /* Likely branch */
-#define MIPS_HFLAG_BR 0x0200 /* branch to register (can't link TB) */
+#define MIPS_HFLAG_BMASK 0x0e00
+#define MIPS_HFLAG_B 0x0200 /* Unconditional branch */
+#define MIPS_HFLAG_BC 0x0400 /* Conditional branch */
+#define MIPS_HFLAG_BL 0x0600 /* Likely branch */
+#define MIPS_HFLAG_BR 0x0800 /* branch to register (can't link TB) */
target_ulong btarget; /* Jump / branch target */
int bcond; /* Branch condition (if needed) */
- int halted; /* TRUE if the CPU is in suspend state */
-
int SYNCI_Step; /* Address step size for SYNCI */
int CCRes; /* Cycle count resolution/divisor */
- int Status_rw_bitmask; /* Read/write bits in CP0_Status */
+ 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 */
#ifdef CONFIG_USER_ONLY
target_ulong tls_value;
CPU_COMMON
- int ram_size;
- const char *kernel_filename;
- const char *kernel_cmdline;
- const char *initrd_filename;
-
- mips_def_t *cpu_model;
+ const mips_def_t *cpu_model;
#ifndef CONFIG_USER_ONLY
void *irq[8];
#endif
void r4k_do_tlbwr (void);
void r4k_do_tlbp (void);
void r4k_do_tlbr (void);
-int mips_find_by_name (const unsigned char *name, mips_def_t **def);
void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
-int cpu_mips_register (CPUMIPSState *env, mips_def_t *def);
+
+void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
+ int unused);
+
+#define CPUState CPUMIPSState
+#define cpu_init cpu_mips_init
+#define cpu_exec cpu_mips_exec
+#define cpu_gen_code cpu_mips_gen_code
+#define cpu_signal_handler cpu_mips_signal_handler
+#define cpu_list mips_cpu_list
+
+/* 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_USER_IDX 2
+static inline int cpu_mmu_index (CPUState *env)
+{
+ return env->hflags & MIPS_HFLAG_KSU;
+}
+
+#if defined(CONFIG_USER_ONLY)
+static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
+{
+ if (newsp)
+ env->gpr[env->current_tc][29] = newsp;
+ env->gpr[env->current_tc][7] = 0;
+ env->gpr[env->current_tc][2] = 0;
+}
+#endif
#include "cpu-all.h"
EXCP_SRESET,
EXCP_DSS,
EXCP_DINT,
+ EXCP_DDBL,
+ EXCP_DDBS,
EXCP_NMI,
EXCP_MCHECK,
- EXCP_EXT_INTERRUPT,
+ EXCP_EXT_INTERRUPT, /* 8 */
EXCP_DFWATCH,
- EXCP_DIB, /* 8 */
+ EXCP_DIB,
EXCP_IWATCH,
EXCP_AdEL,
EXCP_AdES,
EXCP_TLBF,
EXCP_IBE,
- EXCP_DBp,
+ EXCP_DBp, /* 16 */
EXCP_SYSCALL,
- EXCP_BREAK, /* 16 */
+ EXCP_BREAK,
EXCP_CpU,
EXCP_RI,
EXCP_OVERFLOW,
EXCP_TRAP,
EXCP_FPE,
- EXCP_DDBS,
- EXCP_DWATCH,
- EXCP_LAE, /* 24 */
- EXCP_SAE,
+ EXCP_DWATCH, /* 24 */
EXCP_LTLBL,
EXCP_TLBL,
EXCP_TLBS,
EXCP_DBE,
- EXCP_DDBL,
- EXCP_MTCP0 = 0x104, /* mtmsr instruction: */
- /* may change privilege level */
- EXCP_BRANCH = 0x108, /* branch instruction */
- EXCP_ERET = 0x10C, /* return from interrupt */
- EXCP_SYSCALL_USER = 0x110, /* System call in user mode only */
- EXCP_FLUSH = 0x109,
+ EXCP_THREAD,
+ EXCP_MDMX,
+ EXCP_C2E,
+ EXCP_CACHE, /* 32 */
+
+ EXCP_LAST = EXCP_CACHE,
};
int cpu_mips_exec(CPUMIPSState *s);
-CPUMIPSState *cpu_mips_init(void);
+CPUMIPSState *cpu_mips_init(const char *cpu_model);
uint32_t cpu_mips_get_clock (void);
int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
projects / qemu.git / blobdiff