new file mode 100644
@@ -0,0 +1,21 @@
+#ifndef NANOMIPS_TARGET_CPU_H
+#define NANOMIPS_TARGET_CPU_H
+
+static inline void cpu_clone_regs(CPUMIPSState *env, target_ulong newsp)
+{
+ if (newsp) {
+ env->active_tc.gpr[29] = newsp;
+ }
+ env->active_tc.gpr[4] = 0;
+}
+
+static inline void cpu_set_tls(CPUMIPSState *env, target_ulong newtls)
+{
+ env->active_tc.CP0_UserLocal = newtls;
+}
+
+static inline abi_ulong get_sp_from_cpustate(CPUMIPSState *state)
+{
+ return state->active_tc.gpr[29];
+}
+#endif