linux-user/xtensa/target_cpu.h

   1 /*
   2  * Xtensa-specific CPU ABI and functions for linux-user
   3  */
   4 #ifndef XTENSA_TARGET_CPU_H
   5 #define XTENSA_TARGET_CPU_H
   6
   7 static inline void cpu_clone_regs(CPUXtensaState *env, target_ulong newsp)
   8 {
   9     if (newsp) {
  10         env->regs[1] = newsp;
  11         env->sregs[WINDOW_BASE] = 0;
  12         env->sregs[WINDOW_START] = 0x1;
  13     }
  14     env->regs[2] = 0;
  15 }
  16
  17 static inline void cpu_set_tls(CPUXtensaState *env, target_ulong newtls)
  18 {
  19     env->uregs[THREADPTR] = newtls;
  20 }
  21
  22 static inline abi_ulong get_sp_from_cpustate(CPUXtensaState *state)
  23 {
  24     return state->regs[1];
  25 }
  26 #endif