Commit 168c12b0 authored by Max Filippov's avatar Max Filippov
Browse files

target/xtensa: extract core opcode translators 



Move implementations of core opcodes into separate translation
functions. Introduce data structures for mapping opcode name to
translator function. Make an array of core opcode/translator structures.

Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent 7f709ce7

target/xtensa/cpu.h

+24 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ 
#include "cpu-qom.h"

#include "exec/cpu-defs.h"

#include "fpu/softfloat.h"

#include "xtensa-isa.h"



#define NB_MMU_MODES 4
@@ -205,6 +206,8 @@ enum { 
#define MEMCTL_DSNP 0x2

#define MEMCTL_IL0EN 0x1



#define MAX_INSN_LENGTH 64

#define MAX_OPCODE_ARGS 16

#define MAX_NAREG 64

#define MAX_NINTERRUPT 32

#define MAX_NLEVEL 6
@@ -330,6 +333,23 @@ typedef struct XtensaMemory { 
    } location[MAX_NMEMORY];

} XtensaMemory;



typedef struct DisasContext DisasContext;

typedef void (*XtensaOpcodeOp)(DisasContext *dc, const uint32_t arg[],

                               const uint32_t par[]);



typedef struct XtensaOpcodeOps {

    const char *name;

    XtensaOpcodeOp translate;

    const uint32_t *par;

} XtensaOpcodeOps;



typedef struct XtensaOpcodeTranslators {

    unsigned num_opcodes;

    const XtensaOpcodeOps *opcode;

} XtensaOpcodeTranslators;



extern const XtensaOpcodeTranslators xtensa_core_opcodes;



struct XtensaConfig {

    const char *name;

    uint64_t options;
@@ -370,6 +390,8 @@ struct XtensaConfig { 


    uint32_t configid[2];



    void *isa_internal;



    uint32_t clock_freq_khz;



    xtensa_tlb itlb;
@@ -522,6 +544,8 @@ static inline void xtensa_select_static_vectors(CPUXtensaState *env, 
    env->static_vectors = n;

}

void xtensa_runstall(CPUXtensaState *env, bool runstall);

XtensaOpcodeOps *xtensa_find_opcode_ops(const XtensaOpcodeTranslators *t,

                                        const char *opcode);



#define XTENSA_OPTION_BIT(opt) (((uint64_t)1) << (opt))

#define XTENSA_OPTION_ALL (~(uint64_t)0)

target/xtensa/translate.c

+3121 −0

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