#define ELF_MACHINE EM_MIPS
+#define CPUState struct CPUMIPSState
+
#include "config.h"
#include "mips-defs.h"
#include "cpu-defs.h"
// uint_fast8_t and uint_fast16_t not in <sys/int_types.h>
// XXX: move that elsewhere
-#if defined(HOST_SOLARIS) && HOST_SOLARIS < 10
+#if defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 10
typedef unsigned char uint_fast8_t;
typedef unsigned int uint_fast16_t;
#endif
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);
+ void (*helper_tlbwi) (void);
+ void (*helper_tlbwr) (void);
+ void (*helper_tlbp) (void);
+ void (*helper_tlbr) (void);
union {
struct {
r4k_tlb_t tlb[MIPS_TLB_MAX];
/* define FP_ENDIAN_IDX to access the same location
* in the fpr_t union regardless of the host endianess
*/
-#if defined(WORDS_BIGENDIAN)
+#if defined(HOST_WORDS_BIGENDIAN)
# define FP_ENDIAN_IDX 1
#else
# define FP_ENDIAN_IDX 0
#define FCR0_REV 0
/* fcsr */
uint32_t fcr31;
-#define SET_FP_COND(num,env) do { ((env)->fcr31) |= ((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
-#define CLEAR_FP_COND(num,env) do { ((env)->fcr31) &= ~((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
-#define GET_FP_COND(env) ((((env)->fcr31 >> 24) & 0xfe) | (((env)->fcr31 >> 23) & 0x1))
+#define SET_FP_COND(num,env) do { ((env).fcr31) |= ((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
+#define CLEAR_FP_COND(num,env) do { ((env).fcr31) &= ~((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
+#define GET_FP_COND(env) ((((env).fcr31 >> 24) & 0xfe) | (((env).fcr31 >> 23) & 0x1))
#define GET_FP_CAUSE(reg) (((reg) >> 12) & 0x3f)
#define GET_FP_ENABLE(reg) (((reg) >> 7) & 0x1f)
#define GET_FP_FLAGS(reg) (((reg) >> 2) & 0x1f)
#define MIPS_SHADOW_SET_MAX 16
#define MIPS_TC_MAX 5
+#define MIPS_FPU_MAX 1
#define MIPS_DSP_ACC 4
+typedef struct TCState TCState;
+struct TCState {
+ target_ulong gpr[32];
+ target_ulong PC;
+ target_ulong HI[MIPS_DSP_ACC];
+ target_ulong LO[MIPS_DSP_ACC];
+ target_ulong ACX[MIPS_DSP_ACC];
+ target_ulong DSPControl;
+ int32_t CP0_TCStatus;
+#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;
+#define CP0TCBd_CurTC 21
+#define CP0TCBd_TBE 17
+#define CP0TCBd_CurVPE 0
+ target_ulong CP0_TCHalt;
+ target_ulong CP0_TCContext;
+ target_ulong CP0_TCSchedule;
+ target_ulong CP0_TCScheFBack;
+ int32_t CP0_Debug_tcstatus;
+};
+
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;
-#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];
+ TCState active_tc;
+ CPUMIPSFPUContext active_fpu;
CPUMIPSMVPContext *mvp;
CPUMIPSTLBContext *tlb;
- CPUMIPSFPUContext *fpu;
uint32_t current_tc;
- target_ulong *current_tc_gprs;
- target_ulong *current_tc_hi;
+ uint32_t current_fpu;
uint32_t SEGBITS;
- target_ulong SEGMask;
uint32_t PABITS;
+ target_ulong SEGMask;
target_ulong PAMask;
int32_t CP0_Index;
#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_Config7;
/* XXX: Maybe make LLAddr per-TC? */
target_ulong CP0_LLAddr;
+ target_ulong llval;
+ target_ulong llnewval;
+ target_ulong llreg;
target_ulong CP0_WatchLo[8];
int32_t CP0_WatchHi[8];
target_ulong CP0_XContext;
#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_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 interrupt_request;
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 0x01FF
+#define MIPS_HFLAG_TMASK 0x03FF
#define MIPS_HFLAG_MODE 0x0007 /* 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
and RSQRT.D. */
#define MIPS_HFLAG_COP1X 0x0080 /* COP1X instructions enabled */
#define MIPS_HFLAG_RE 0x0100 /* Reversed endianness */
+#define MIPS_HFLAG_UX 0x0200 /* 64-bit user mode */
/* 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 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) */
+#define MIPS_HFLAG_BMASK 0x1C00
+#define MIPS_HFLAG_B 0x0400 /* Unconditional branch */
+#define MIPS_HFLAG_BC 0x0800 /* Conditional branch */
+#define MIPS_HFLAG_BL 0x0C00 /* Likely branch */
+#define MIPS_HFLAG_BR 0x1000 /* branch to register (can't link TB) */
target_ulong btarget; /* Jump / branch target */
- int bcond; /* Branch condition (if needed) */
+ target_ulong bcond; /* Branch condition (if needed) */
int SYNCI_Step; /* Address step size for SYNCI */
int CCRes; /* Cycle count resolution/divisor */
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;
-#endif
+ target_ulong tls_value; /* For usermode emulation */
CPU_COMMON
const mips_def_t *cpu_model;
-#ifndef CONFIG_USER_ONLY
void *irq[8];
-#endif
-
struct QEMUTimer *timer; /* Internal timer */
};
target_ulong address, int rw, int access_type);
int r4k_map_address (CPUMIPSState *env, target_ulong *physical, int *prot,
target_ulong address, int rw, int access_type);
-void r4k_do_tlbwi (void);
-void r4k_do_tlbwr (void);
-void r4k_do_tlbp (void);
-void r4k_do_tlbr (void);
+void r4k_helper_tlbwi (void);
+void r4k_helper_tlbwr (void);
+void r4k_helper_tlbp (void);
+void r4k_helper_tlbr (void);
void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
- int unused);
+ int unused, int size);
-#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
+#define CPU_SAVE_VERSION 3
+
/* MMU modes definitions. We carefully match the indices with our
hflags layout. */
#define MMU_MODE0_SUFFIX _kernel
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;
+ env->active_tc.gpr[29] = newsp;
+ env->active_tc.gpr[7] = 0;
+ env->active_tc.gpr[2] = 0;
}
-#endif
#include "cpu-all.h"
+#include "exec-all.h"
/* Memory access type :
* may be needed for precise access rights control and precise exceptions.
EXCP_LAST = EXCP_CACHE,
};
+/* Dummy exception for conditional stores. */
+#define EXCP_SC 0x100
int cpu_mips_exec(CPUMIPSState *s);
CPUMIPSState *cpu_mips_init(const char *cpu_model);
-uint32_t cpu_mips_get_clock (void);
+//~ uint32_t cpu_mips_get_clock (void);
int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
+/* mips_timer.c */
+uint32_t cpu_mips_get_random (CPUState *env);
+uint32_t cpu_mips_get_count (CPUState *env);
+void cpu_mips_store_count (CPUState *env, uint32_t value);
+void cpu_mips_store_compare (CPUState *env, uint32_t value);
+void cpu_mips_start_count(CPUState *env);
+void cpu_mips_stop_count(CPUState *env);
+
+/* mips_int.c */
+void cpu_mips_update_irq (CPUState *env);
+
+/* helper.c */
+int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
+ int mmu_idx, int is_softmmu);
+#define cpu_handle_mmu_fault cpu_mips_handle_mmu_fault
+void do_interrupt (CPUState *env);
+void r4k_invalidate_tlb (CPUState *env, int idx, int use_extra);
+
+static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
+{
+ env->active_tc.PC = tb->pc;
+ env->hflags &= ~MIPS_HFLAG_BMASK;
+ env->hflags |= tb->flags & MIPS_HFLAG_BMASK;
+}
+
+static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
+ target_ulong *cs_base, int *flags)
+{
+ *pc = env->active_tc.PC;
+ *cs_base = 0;
+ *flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK);
+}
+
+static inline void cpu_set_tls(CPUState *env, target_ulong newtls)
+{
+ env->tls_value = newtls;
+}
+
#endif /* !defined (__MIPS_CPU_H__) */
projects / qemu / blobdiff