feat(esp8266): Move xtensa to esp8266 of components

components/esp8266/include/xtensa/sim.h

@@ -0,0 +1,60 @@
+/* Copyright (c) 2004-2006 by Tensilica Inc.  ALL RIGHTS RESERVED.
+/  These coded instructions, statements, and computer programs are the
+/  copyrighted works and confidential proprietary information of Tensilica Inc.
+/  They may not be modified, copied, reproduced, distributed, or disclosed to
+/  third parties in any manner, medium, or form, in whole or in part, without
+/  the prior written consent of Tensilica Inc.
+*/
+
+/*  sim.h 
+ *
+ *  Definitions and prototypes for specific ISS SIMCALLs
+ *  (ie. outside the standard C library).
+ */
+
+#ifndef _INC_SIM_H_
+#define _INC_SIM_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Shortcuts for enabling/disabling profiling in the Xtensa ISS  */
+extern void xt_iss_profile_enable(void);
+extern void xt_iss_profile_disable(void);
+
+/* Shortcut for setting the trace level in the Xtensa ISS */
+extern void xt_iss_trace_level(unsigned level);
+
+/* Generic interface for passing client commands in the Xtensa ISS:
+ *   returns 0 on success, -1 on failure.
+ */
+extern int xt_iss_client_command(const char *client, const char *command);
+
+/* Interface for switching simulation modes in the Xtensa ISS:
+ *   returns 0 on success, -1 on failure.
+ */
+#define XT_ISS_CYCLE_ACCURATE 0
+#define XT_ISS_FUNCTIONAL     1
+extern int xt_iss_switch_mode(int mode);
+
+
+/* Interface for waiting on a system synchronization event */
+extern void xt_iss_event_wait(unsigned event_id);
+
+/* Interface for firing a system synchronization event */
+extern void xt_iss_event_fire(unsigned event_id);
+
+/* Interface for invoking a user simcall action,
+ * which can be registered in XTMP or XTSC.
+ */
+extern int xt_iss_simcall(int arg1, int arg2, int arg3,
+                          int arg4, int arg5, int arg6);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_INC_SIM_H_*/
+