target_cpu.h 1.4 KB

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  1. /*
  2. * m68k specific CPU ABI and functions for linux-user
  3. *
  4. * Copyright (c) 2005-2007 CodeSourcery
  5. * Written by Paul Brook
  6. *
  7. * This library is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Lesser General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2.1 of the License, or (at your option) any later version.
  11. *
  12. * This library is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  19. */
  20. #ifndef M68K_TARGET_CPU_H
  21. #define M68K_TARGET_CPU_H
  22. static inline void cpu_clone_regs_child(CPUM68KState *env, target_ulong newsp,
  23. unsigned flags)
  24. {
  25. if (newsp) {
  26. env->aregs[7] = newsp;
  27. }
  28. env->dregs[0] = 0;
  29. }
  30. static inline void cpu_clone_regs_parent(CPUM68KState *env, unsigned flags)
  31. {
  32. }
  33. static inline void cpu_set_tls(CPUM68KState *env, target_ulong newtls)
  34. {
  35. CPUState *cs = env_cpu(env);
  36. TaskState *ts = cs->opaque;
  37. ts->tp_value = newtls;
  38. }
  39. static inline abi_ulong get_sp_from_cpustate(CPUM68KState *state)
  40. {
  41. return state->aregs[7];
  42. }
  43. #endif