HelenOS Kernel (ppc32): kernel/arch/ppc32/include/exception.h Source File

00001 /*
00002  * Copyright (C) 2006 Martin Decky
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  *   notice, this list of conditions and the following disclaimer.
00011  * - Redistributions in binary form must reproduce the above copyright
00012  *   notice, this list of conditions and the following disclaimer in the
00013  *   documentation and/or other materials provided with the distribution.
00014  * - The name of the author may not be used to endorse or promote products
00015  *   derived from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00019  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00020  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00022  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00023  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00024  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00025  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00026  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 
00035 #ifndef __ppc32_EXCEPTION_H__
00036 #define __ppc32_EXCEPTION_H__
00037 
00038 #ifndef __ppc32_TYPES_H__
00039 #  include <arch/types.h>
00040 #endif
00041 
00042 #include <typedefs.h>
00043 
00044 struct istate {
00045         __u32 r0;
00046         __u32 r2;
00047         __u32 r3;
00048         __u32 r4;
00049         __u32 r5;
00050         __u32 r6;
00051         __u32 r7;
00052         __u32 r8;
00053         __u32 r9;
00054         __u32 r10;
00055         __u32 r11;
00056         __u32 r13;
00057         __u32 r14;
00058         __u32 r15;
00059         __u32 r16;
00060         __u32 r17;
00061         __u32 r18;
00062         __u32 r19;
00063         __u32 r20;
00064         __u32 r21;
00065         __u32 r22;
00066         __u32 r23;
00067         __u32 r24;
00068         __u32 r25;
00069         __u32 r26;
00070         __u32 r27;
00071         __u32 r28;
00072         __u32 r29;
00073         __u32 r30;
00074         __u32 r31;
00075         __u32 cr;
00076         __u32 pc;
00077         __u32 srr1;
00078         __u32 lr;
00079         __u32 ctr;
00080         __u32 xer;
00081         __u32 r12;
00082         __u32 sp;
00083 };
00084 
00085 static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
00086 {
00087         istate->pc = retaddr;
00088 }
00090 #include <panic.h>
00091 static inline int istate_from_uspace(istate_t *istate)
00092 {
00093         panic("istate_from_uspace not yet implemented");
00094         return 0;
00095 }
00096 static inline __native istate_get_pc(istate_t *istate)
00097 {
00098         return istate->pc;
00099 }
00100 
00101 #endif
00102