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, see <http://www.gnu.org/licenses/>.

 */

/* 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 {

        abi_ulong gpr[32];

        abi_ulong nip;

        abi_ulong msr;

        abi_ulong orig_gpr3;        /* Used for restarting system calls */

        abi_ulong ctr;

        abi_ulong link;

        abi_ulong xer;

        abi_ulong ccr;

#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)

        abi_ulong softe;

#else

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

#endif

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

        abi_ulong trap;                /* Reason for being here */

        abi_ulong dar;                /* Fault registers */

        abi_ulong dsisr;

        abi_ulong result;                 /* Result of a system call */

};

/* ioctls */

struct target_revectored_struct {

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

};

/* Nasty hack: define a fake errno value for use by sigreturn.  */

#define TARGET_QEMU_ESIGRETURN 255

/*

 * flags masks

 */

#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)

#define UNAME_MACHINE "ppc64"

#else

#define UNAME_MACHINE "ppc"

#endif