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| 35 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
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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 __ia64_CONTEXT_H__ |
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| 30 | #define __ia64_CONTEXT_H__ |
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| 31 | |||
| 32 | #include <arch/types.h> |
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| 33 | |||
| 82 | jermar | 34 | /* |
| 35 | * context_save() and context_restore() are both leaf procedures. |
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| 36 | * No need to allocate scratch area. |
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| 37 | */ |
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| 38 | #define SP_DELTA 0 |
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| 81 | jermar | 39 | |
| 35 | jermar | 40 | struct context { |
| 83 | jermar | 41 | __u64 pfs; |
| 42 | __u64 unat_caller; |
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| 43 | __u64 unat_callee; |
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| 44 | |||
| 82 | jermar | 45 | /* |
| 46 | * General registers |
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| 47 | */ |
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| 59 | jermar | 48 | __u64 r1; |
| 49 | __u64 r2; |
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| 50 | __u64 r3; |
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| 51 | __u64 r4; |
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| 52 | __u64 r5; |
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| 53 | __u64 r6; |
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| 54 | __u64 r7; |
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| 55 | __u64 r8; |
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| 56 | __u64 r9; |
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| 57 | __u64 r10; |
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| 58 | __u64 r11; |
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| 59 | __u64 sp; /* r12 */ |
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| 60 | __u64 r13; |
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| 61 | __u64 r14; |
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| 62 | __u64 r15; |
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| 63 | __u64 r16; |
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| 64 | __u64 r17; |
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| 65 | __u64 r18; |
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| 66 | __u64 r19; |
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| 67 | __u64 r20; |
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| 68 | __u64 r21; |
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| 69 | __u64 r22; |
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| 70 | __u64 r23; |
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| 71 | __u64 r24; |
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| 72 | __u64 r25; |
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| 73 | __u64 r26; |
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| 74 | __u64 r27; |
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| 75 | __u64 r28; |
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| 76 | __u64 r29; |
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| 77 | __u64 r30; |
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| 78 | __u64 r31; |
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| 82 | jermar | 79 | |
| 80 | /* |
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| 81 | * Branch registers |
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| 82 | */ |
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| 59 | jermar | 83 | __u64 pc; /* b0 */ |
| 82 | jermar | 84 | __u64 b1; |
| 85 | __u64 b2; |
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| 86 | __u64 b3; |
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| 87 | __u64 b4; |
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| 88 | __u64 b5; |
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| 89 | __u64 b6; |
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| 90 | __u64 b7; |
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| 91 | |||
| 92 | /* |
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| 93 | * Predicate registers |
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| 94 | */ |
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| 95 | __u64 pr; |
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| 96 | |||
| 35 | jermar | 97 | pri_t pri; |
| 59 | jermar | 98 | } __attribute__ ((packed)); |
| 35 | jermar | 99 | |
| 100 | #endif |