| 1 | /*
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| 2 | * Copyright (C) 2006 Martin Decky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #ifndef __ppc64_EXCEPTION_H__
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| 30 | #define __ppc64_EXCEPTION_H__
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| 31 |
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| 32 | #ifndef __ppc64_TYPES_H__
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| 33 | # include <arch/types.h>
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| 34 | #endif
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| 35 |
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| 36 | #include <typedefs.h>
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| 37 |
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| 38 | struct istate {
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| 39 | __u64 r0;
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| 40 | __u64 r2;
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| 41 | __u64 r3;
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| 42 | __u64 r4;
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| 43 | __u64 r5;
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| 44 | __u64 r6;
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| 45 | __u64 r7;
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| 46 | __u64 r8;
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| 47 | __u64 r9;
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| 48 | __u64 r10;
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| 49 | __u64 r11;
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| 50 | __u64 r13;
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| 51 | __u64 r14;
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| 52 | __u64 r15;
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| 53 | __u64 r16;
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| 54 | __u64 r17;
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| 55 | __u64 r18;
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| 56 | __u64 r19;
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| 57 | __u64 r20;
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| 58 | __u64 r21;
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| 59 | __u64 r22;
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| 60 | __u64 r23;
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| 61 | __u64 r24;
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| 62 | __u64 r25;
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| 63 | __u64 r26;
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| 64 | __u64 r27;
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| 65 | __u64 r28;
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| 66 | __u64 r29;
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| 67 | __u64 r30;
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| 68 | __u64 r31;
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| 69 | __u64 cr;
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| 70 | __u64 pc;
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| 71 | __u64 srr1;
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| 72 | __u64 lr;
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| 73 | __u64 ctr;
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| 74 | __u64 xer;
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| 75 | __u64 r12;
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| 76 | __u64 sp;
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| 77 | };
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| 78 |
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| 79 | static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
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| 80 | {
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| 81 | istate->pc = retaddr;
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| 82 | }
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| 83 | /** Return true if exception happened while in userspace */
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| 84 | #include <panic.h>
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| 85 | static inline int istate_from_uspace(istate_t *istate)
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| 86 | {
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| 87 | panic("istate_from_uspace not yet implemented");
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| 88 | return 0;
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| 89 | }
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| 90 | static inline __native istate_get_pc(istate_t *istate)
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| 91 | {
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| 92 | return istate->pc;
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| 93 | }
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| 94 |
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| 95 | #endif
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