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1215 | decky | 1 | /* |
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 | |||
29 | #ifndef __ppc32_EXCEPTION_H__ |
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30 | #define __ppc32_EXCEPTION_H__ |
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31 | |||
32 | #ifndef __ppc32_TYPES_H__ |
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33 | # include <arch/types.h> |
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34 | #endif |
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35 | |||
36 | #include <typedefs.h> |
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37 | |||
38 | struct istate { |
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39 | __u32 r0; |
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40 | __u32 r2; |
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41 | __u32 r3; |
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42 | __u32 r4; |
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43 | __u32 r5; |
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44 | __u32 r6; |
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45 | __u32 r7; |
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46 | __u32 r8; |
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47 | __u32 r9; |
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48 | __u32 r10; |
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49 | __u32 r11; |
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50 | __u32 r13; |
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51 | __u32 r14; |
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52 | __u32 r15; |
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53 | __u32 r16; |
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54 | __u32 r17; |
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55 | __u32 r18; |
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56 | __u32 r19; |
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57 | __u32 r20; |
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58 | __u32 r21; |
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59 | __u32 r22; |
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60 | __u32 r23; |
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61 | __u32 r24; |
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62 | __u32 r25; |
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63 | __u32 r26; |
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64 | __u32 r27; |
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65 | __u32 r28; |
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66 | __u32 r29; |
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67 | __u32 r30; |
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68 | __u32 r31; |
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1277 | decky | 69 | __u32 cr; |
1215 | decky | 70 | __u32 pc; |
71 | __u32 srr1; |
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72 | __u32 lr; |
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73 | __u32 ctr; |
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74 | __u32 xer; |
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1277 | decky | 75 | __u32 r12; |
76 | __u32 sp; |
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1215 | decky | 77 | }; |
78 | |||
1288 | jermar | 79 | static inline void istate_set_retaddr(istate_t *istate, __address retaddr) |
80 | { |
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1371 | decky | 81 | istate->pc = retaddr; |
1288 | jermar | 82 | } |
1595 | palkovsky | 83 | /** Return true if exception happened while in userspace */ |
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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1288 | jermar | 94 | |
1215 | decky | 95 | #endif |