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| Rev | Author | Line No. | Line |
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| 1215 | decky | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2006 Martin Decky |
| 1215 | decky | 3 | * All rights reserved. |
| 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 | |||
| 1730 | decky | 29 | /** @addtogroup ppc32 |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1888 | jermar | 35 | #ifndef KERN_ppc32_EXCEPTION_H_ |
| 36 | #define KERN_ppc32_EXCEPTION_H_ |
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| 1215 | decky | 37 | |
| 1948 | jermar | 38 | #include <arch/types.h> |
| 3492 | rimsky | 39 | #include <arch/regutils.h> |
| 1215 | decky | 40 | |
| 2089 | decky | 41 | typedef struct { |
| 1780 | jermar | 42 | uint32_t r0; |
| 43 | uint32_t r2; |
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| 44 | uint32_t r3; |
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| 45 | uint32_t r4; |
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| 46 | uint32_t r5; |
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| 47 | uint32_t r6; |
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| 48 | uint32_t r7; |
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| 49 | uint32_t r8; |
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| 50 | uint32_t r9; |
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| 51 | uint32_t r10; |
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| 52 | uint32_t r11; |
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| 53 | uint32_t r13; |
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| 54 | uint32_t r14; |
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| 55 | uint32_t r15; |
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| 56 | uint32_t r16; |
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| 57 | uint32_t r17; |
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| 58 | uint32_t r18; |
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| 59 | uint32_t r19; |
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| 60 | uint32_t r20; |
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| 61 | uint32_t r21; |
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| 62 | uint32_t r22; |
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| 63 | uint32_t r23; |
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| 64 | uint32_t r24; |
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| 65 | uint32_t r25; |
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| 66 | uint32_t r26; |
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| 67 | uint32_t r27; |
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| 68 | uint32_t r28; |
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| 69 | uint32_t r29; |
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| 70 | uint32_t r30; |
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| 71 | uint32_t r31; |
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| 72 | uint32_t cr; |
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| 73 | uint32_t pc; |
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| 74 | uint32_t srr1; |
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| 75 | uint32_t lr; |
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| 76 | uint32_t ctr; |
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| 77 | uint32_t xer; |
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| 78 | uint32_t r12; |
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| 79 | uint32_t sp; |
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| 2089 | decky | 80 | } istate_t; |
| 1215 | decky | 81 | |
| 1780 | jermar | 82 | static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
| 1288 | jermar | 83 | { |
| 1371 | decky | 84 | istate->pc = retaddr; |
| 1288 | jermar | 85 | } |
| 3071 | decky | 86 | |
| 1595 | palkovsky | 87 | /** Return true if exception happened while in userspace */ |
| 88 | static inline int istate_from_uspace(istate_t *istate) |
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| 89 | { |
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| 3492 | rimsky | 90 | /* true if privilege level PR (copied from MSR) == 1 */ |
| 91 | return (istate->srr1 & MSR_PR) != 0; |
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| 1595 | palkovsky | 92 | } |
| 3071 | decky | 93 | |
| 1780 | jermar | 94 | static inline unative_t istate_get_pc(istate_t *istate) |
| 1595 | palkovsky | 95 | { |
| 96 | return istate->pc; |
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| 97 | } |
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| 1288 | jermar | 98 | |
| 1215 | decky | 99 | #endif |
| 1702 | cejka | 100 | |
| 1730 | decky | 101 | /** @} |
| 1702 | cejka | 102 | */ |