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      1 /*	$NetBSD: start.h,v 1.1 2011/01/26 01:18:54 pooka Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code was written by Alessandro Forin and Neil Pittman
      8  * at Microsoft Research and contributed to The NetBSD Foundation
      9  * by Microsoft Corporation.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 extern int PutWord(uint32_t Word);
     34 extern int Puts(char *String);
     35 extern int GetChar(void);
     36 extern  int PutChar(uint8_t v);
     37 extern void Delay(uint32_t count);
     38 extern uint32_t GetPsr(void);
     39 extern void SetPsr(uint32_t Psr);
     40 extern uint32_t GetCause(void);
     41 extern uint32_t GetEpc(void);
     42 extern volatile void Stop(void);
     43 extern void switch_stack_and_call(void *arg, void (*function)(void *));
     44 
     45 typedef struct  _CXTINFO {
     46     /* Structure must match with mips_asm.h etc. */
     47     uint32_t gpr[32];
     48     uint32_t pc;
     49     uint32_t sr;           /* c0_status */
     50     uint32_t hi;
     51     uint32_t lo;
     52 } CXTINFO, *PCXTINFO;
     53 
     54 typedef PCXTINFO (*USER_EXCEPTION_HANDLER)(PCXTINFO pContext);
     55 extern char ExceptionHandler[];
     56 extern char ExceptionHandlerEnd[];
     57 extern USER_EXCEPTION_HANDLER *UserInterruptHandler;
     58 
     59 extern char start[];
     60 extern char _end[]; /* ..and beginning of free memory */
     61