Archipelago » qemu

#ifndef CPU_SPARC_H

#define CPU_SPARC_H

#define TARGET_LONG_BITS 32

#include "cpu-defs.h"

/*#define EXCP_INTERRUPT 0x100*/

/* trap definitions */

#define TT_ILL_INSN 0x02

#define TT_WIN_OVF  0x05

#define TT_WIN_UNF  0x06 

#define TT_DIV_ZERO 0x2a

#define TT_TRAP     0x80

#define PSR_NEG   (1<<23)

#define PSR_ZERO  (1<<22)

#define PSR_OVF   (1<<21)

#define PSR_CARRY (1<<20)

#define NWINDOWS  32

typedef struct CPUSPARCState {

    uint32_t gregs[8]; /* general registers */

    uint32_t *regwptr; /* pointer to current register window */

    double   *regfptr; /* floating point registers */

    uint32_t pc;       /* program counter */

    uint32_t npc;      /* next program counter */

    uint32_t sp;       /* stack pointer */

    uint32_t y;        /* multiply/divide register */

    uint32_t psr;      /* processor state register */

    uint32_t T2;

    uint32_t cwp;      /* index of current register window (extracted

                          from PSR) */

    uint32_t wim;      /* window invalid mask */

    jmp_buf  jmp_env;

    int user_mode_only;

    int exception_index;

    int interrupt_index;

    int interrupt_request;

    struct TranslationBlock *current_tb;

    void *opaque;

    /* NOTE: we allow 8 more registers to handle wrapping */

    uint32_t regbase[NWINDOWS * 16 + 8];

    /* in order to avoid passing too many arguments to the memory

       write helpers, we store some rarely used information in the CPU

       context) */

    unsigned long mem_write_pc; /* host pc at which the memory was

                                   written */

    unsigned long mem_write_vaddr; /* target virtual addr at which the

                                      memory was written */

} CPUSPARCState;

CPUSPARCState *cpu_sparc_init(void);

int cpu_sparc_exec(CPUSPARCState *s);

int cpu_sparc_close(CPUSPARCState *s);

struct siginfo;

int cpu_sparc_signal_handler(int hostsignum, struct siginfo *info, void *puc);

void cpu_sparc_dump_state(CPUSPARCState *env, FILE *f, int flags);

#define TARGET_PAGE_BITS 13

#include "cpu-all.h"

#endif