target_cpu.h 1.4 KB

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  1. /*
  2. * MIPS specific CPU ABI and functions for linux-user
  3. *
  4. * Copyright (c) 2004-2005 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 MIPS_TARGET_CPU_H
  20. #define MIPS_TARGET_CPU_H
  21. static inline void cpu_clone_regs_child(CPUMIPSState *env, target_ulong newsp,
  22. unsigned flags)
  23. {
  24. if (newsp) {
  25. env->active_tc.gpr[29] = newsp;
  26. }
  27. env->active_tc.gpr[7] = 0;
  28. env->active_tc.gpr[2] = 0;
  29. }
  30. static inline void cpu_clone_regs_parent(CPUMIPSState *env, unsigned flags)
  31. {
  32. }
  33. static inline void cpu_set_tls(CPUMIPSState *env, target_ulong newtls)
  34. {
  35. env->active_tc.CP0_UserLocal = newtls;
  36. }
  37. static inline abi_ulong get_sp_from_cpustate(CPUMIPSState *state)
  38. {
  39. return state->active_tc.gpr[29];
  40. }
  41. #endif