linux-user/ppc/target_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, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef TARGET_SYSCALL_H
  21 #define TARGET_SYSCALL_H
  22
  23 /* XXX: ABSOLUTELY BUGGY:
  24  * for now, this is quite just a cut-and-paste from i386 target...
  25  */
  26
  27 /* default linux values for the selectors */
  28 #define __USER_DS       (1)
  29
  30 struct target_pt_regs {
  31         abi_ulong gpr[32];
  32         abi_ulong nip;
  33         abi_ulong msr;
  34         abi_ulong orig_gpr3;    /* Used for restarting system calls */
  35         abi_ulong ctr;
  36         abi_ulong link;
  37         abi_ulong xer;
  38         abi_ulong ccr;
  39 #if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
  40         abi_ulong softe;
  41 #else
  42         abi_ulong mq;           /* 601 only (not used at present) */
  43 #endif
  44                                         /* Used on APUS to hold IPL value. */
  45         abi_ulong trap;         /* Reason for being here */
  46         abi_ulong dar;          /* Fault registers */
  47         abi_ulong dsisr;
  48         abi_ulong result;               /* Result of a system call */
  49 };
  50
  51 /* ioctls */
  52 struct target_revectored_struct {
  53         abi_ulong __map[8];                     /* 256 bits */
  54 };
  55
  56 /* Nasty hack: define a fake errno value for use by sigreturn.  */
  57 #define TARGET_QEMU_ESIGRETURN 255
  58
  59 /*
  60  * flags masks
  61  */
  62
  63 #if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
  64 #ifdef TARGET_WORDS_BIGENDIAN
  65 #define UNAME_MACHINE "ppc64"
  66 #else
  67 #define UNAME_MACHINE "ppc64le"
  68 #endif
  69 #else
  70 #define UNAME_MACHINE "ppc"
  71 #endif
  72 #define UNAME_MINIMUM_RELEASE "2.6.32"
  73
  74 #define TARGET_CLONE_BACKWARDS
  75
  76 #define TARGET_MINSIGSTKSZ 2048
  77 #define TARGET_MLOCKALL_MCL_CURRENT 0x2000
  78 #define TARGET_MLOCKALL_MCL_FUTURE  0x4000
  79
  80 #endif  /* TARGET_SYSCALL_H */