Archipelago » qemu

/*

 *  PPC emulation for qemu: syscall definitions.

 * 

 *  Copyright (c) 2003 Jocelyn Mayer

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

/* XXX: ABSOLUTELY BUGGY:

 * for now, this is quite just a cut-and-paste from i386 target...

 */

/* default linux values for the selectors */

#define __USER_DS        (1)

struct target_pt_regs {

        unsigned long gpr[32];

        unsigned long nip;

        unsigned long msr;

        unsigned long orig_gpr3;        /* Used for restarting system calls */

        unsigned long ctr;

        unsigned long link;

        unsigned long xer;

        unsigned long ccr;

        unsigned long mq;                /* 601 only (not used at present) */

                                        /* Used on APUS to hold IPL value. */

        unsigned long trap;                /* Reason for being here */

        unsigned long dar;                /* Fault registers */

        unsigned long dsisr;

        unsigned long result;                 /* Result of a system call */

};

/* ioctls */

struct target_revectored_struct {

        target_ulong __map[8];                        /* 256 bits */

};

/*

 * flags masks

 */

/* ipcs */

#define TARGET_SEMOP           1

#define TARGET_SEMGET          2

#define TARGET_SEMCTL          3 

#define TARGET_MSGSND          11 

#define TARGET_MSGRCV          12

#define TARGET_MSGGET          13

#define TARGET_MSGCTL          14

#define TARGET_SHMAT           21

#define TARGET_SHMDT           22

#define TARGET_SHMGET          23

#define TARGET_SHMCTL          24

struct target_msgbuf {

        int mtype;

        char mtext[1];

};

struct target_ipc_kludge {

        unsigned int        msgp;        /* Really (struct msgbuf *) */

        int msgtyp;

};        

struct target_ipc_perm {

        int        key;

        unsigned short        uid;

        unsigned short        gid;

        unsigned short        cuid;

        unsigned short        cgid;

        unsigned short        mode;

        unsigned short        seq;

};

struct target_msqid_ds {

        struct target_ipc_perm        msg_perm;

        unsigned int                msg_first;        /* really struct target_msg* */

        unsigned int                msg_last;        /* really struct target_msg* */

        unsigned int                msg_stime;        /* really target_time_t */

        unsigned int                msg_rtime;        /* really target_time_t */

        unsigned int                msg_ctime;        /* really target_time_t */

        unsigned int                wwait;                /* really struct wait_queue* */

        unsigned int                rwait;                /* really struct wait_queue* */

        unsigned short                msg_cbytes;

        unsigned short                msg_qnum;

        unsigned short                msg_qbytes;

        unsigned short                msg_lspid;

        unsigned short                msg_lrpid;

};

struct target_shmid_ds {

        struct target_ipc_perm        shm_perm;

        int                        shm_segsz;

        unsigned int                shm_atime;        /* really target_time_t */

        unsigned int                shm_dtime;        /* really target_time_t */

        unsigned int                shm_ctime;        /* really target_time_t */

        unsigned short                shm_cpid;

        unsigned short                shm_lpid;

        short                        shm_nattch;

        unsigned short                shm_npages;

        unsigned long                *shm_pages;

        void                         *attaches;        /* really struct shm_desc * */

};

#define TARGET_IPC_RMID        0

#define TARGET_IPC_SET        1

#define TARGET_IPC_STAT        2

union target_semun {

    int val;

    unsigned int buf;        /* really struct semid_ds * */

    unsigned int array; /* really unsigned short * */

    unsigned int __buf;        /* really struct seminfo * */

    unsigned int __pad;        /* really void* */

};

#define UNAME_MACHINE "ppc"