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| Rev | Author | Line No. | Line |
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| 418 | 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 __sparc64_CONTEXT_H__ |
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| 30 | #define __sparc64_CONTEXT_H__ |
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| 31 | |||
| 526 | jermar | 32 | #ifndef __sparc64_STACK_H__ |
| 564 | jermar | 33 | # include <arch/stack.h> |
| 526 | jermar | 34 | #endif |
| 525 | jermar | 35 | |
| 426 | jermar | 36 | #ifndef __sparc64_TYPES_H__ |
| 37 | # include <arch/types.h> |
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| 38 | #endif |
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| 418 | jermar | 39 | |
| 426 | jermar | 40 | #ifndef __ALIGN_H__ |
| 41 | # include <align.h> |
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| 42 | #endif |
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| 43 | |||
| 525 | jermar | 44 | #define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE |
| 418 | jermar | 45 | |
| 426 | jermar | 46 | #ifdef context_set |
| 47 | #undef context_set |
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| 48 | #endif |
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| 49 | |||
| 528 | jermar | 50 | #define context_set(c, _pc, stack, size) \ |
| 51 | (c)->pc = ((__address) _pc) - 8; \ |
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| 564 | jermar | 52 | (c)->sp = ((__address) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \ |
| 666 | jermar | 53 | (c)->fp = -STACK_BIAS; \ |
| 54 | (c)->cleanwin = 0 |
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| 528 | jermar | 55 | |
| 426 | jermar | 56 | |
| 418 | jermar | 57 | /* |
| 58 | * Only save registers that must be preserved across |
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| 657 | jermar | 59 | * function calls. |
| 418 | jermar | 60 | */ |
| 61 | struct context { |
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| 527 | jermar | 62 | __address sp; /* %o6 */ |
| 63 | __address pc; /* %o7 */ |
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| 657 | jermar | 64 | __u64 i0; |
| 65 | __u64 i1; |
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| 66 | __u64 i2; |
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| 67 | __u64 i3; |
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| 68 | __u64 i4; |
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| 69 | __u64 i5; |
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| 650 | jermar | 70 | __address fp; /* %i6 */ |
| 71 | __address i7; |
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| 657 | jermar | 72 | __u64 l0; |
| 73 | __u64 l1; |
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| 74 | __u64 l2; |
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| 75 | __u64 l3; |
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| 76 | __u64 l4; |
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| 77 | __u64 l5; |
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| 78 | __u64 l6; |
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| 79 | __u64 l7; |
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| 418 | jermar | 80 | ipl_t ipl; |
| 666 | jermar | 81 | __u64 cleanwin; |
| 426 | jermar | 82 | }; |
| 418 | jermar | 83 | |
| 84 | #endif |