LXR qemu/linux-user/ppc/target

   1/*
   2 * PowerPC specific CPU ABI and functions for linux-user
   3 *
   4 * Copyright (c) 2003-2007 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#ifndef TARGET_CPU_H
  20#define TARGET_CPU_H
  21
  22static inline void cpu_clone_regs(CPUPPCState *env, target_ulong newsp)
  23{
  24    if (newsp) {
  25        env->gpr[1] = newsp;
  26    }
  27    env->gpr[3] = 0;
  28}
  29
  30static inline void cpu_set_tls(CPUPPCState *env, target_ulong newtls)
  31{
  32#if defined(TARGET_PPC64)
  33    /* The kernel checks TIF_32BIT here; we don't support loading 32-bit
  34       binaries on PPC64 yet. */
  35    env->gpr[13] = newtls;
  36#else
  37    env->gpr[2] = newtls;
  38#endif
  39}
  40
  41#ifndef EF_PPC64_ABI
  42#define EF_PPC64_ABI           0x3
  43#endif
  44
  45static inline uint32_t get_ppc64_abi(struct image_info *infop)
  46{
  47  return infop->elf_flags & EF_PPC64_ABI;
  48}
  49
  50
  51#endif
  52