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