linux-user/ppc/syscall.h

   1 /*
   2  *  PPC emulation for qemu: syscall definitions.
   3  *
   4  *  Copyright (c) 2003 Jocelyn Mayer
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA
  19  */
  20
  21 /* XXX: ABSOLUTELY BUGGY:
  22  * for now, this is quite just a cut-and-paste from i386 target...
  23  */
  24
  25 /* default linux values for the selectors */
  26 #define __USER_DS       (1)
  27
  28 struct target_pt_regs {
  29         abi_ulong gpr[32];
  30         abi_ulong nip;
  31         abi_ulong msr;
  32         abi_ulong orig_gpr3;    /* Used for restarting system calls */
  33         abi_ulong ctr;
  34         abi_ulong link;
  35         abi_ulong xer;
  36         abi_ulong ccr;
  37 #if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
  38         abi_ulong softe;
  39 #else
  40         abi_ulong mq;           /* 601 only (not used at present) */
  41 #endif
  42                                         /* Used on APUS to hold IPL value. */
  43         abi_ulong trap;         /* Reason for being here */
  44         abi_ulong dar;          /* Fault registers */
  45         abi_ulong dsisr;
  46         abi_ulong result;               /* Result of a system call */
  47 };
  48
  49 /* ioctls */
  50 struct target_revectored_struct {
  51         abi_ulong __map[8];                     /* 256 bits */
  52 };
  53
  54 /* Nasty hack: define a fake errno value for use by sigreturn.  */
  55 #define TARGET_QEMU_ESIGRETURN 255
  56
  57 /*
  58  * flags masks
  59  */
  60
  61 #if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
  62 #define UNAME_MACHINE "ppc64"
  63 #else
  64 #define UNAME_MACHINE "ppc"
  65 #endif