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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 | |||
| 1851 | jermar | 29 | /** @addtogroup sparc64 |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1860 | jermar | 35 | #ifndef KERN_sparc64_CONTEXT_H_ |
| 36 | #define KERN_sparc64_CONTEXT_H_ |
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| 418 | jermar | 37 | |
| 1948 | jermar | 38 | #include <arch/stack.h> |
| 39 | #include <arch/types.h> |
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| 40 | #include <align.h> |
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| 525 | jermar | 41 | |
| 42 | #define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE |
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| 418 | jermar | 43 | |
| 426 | jermar | 44 | #ifdef context_set |
| 45 | #undef context_set |
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| 46 | #endif |
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| 47 | |||
| 528 | jermar | 48 | #define context_set(c, _pc, stack, size) \ |
| 1856 | jermar | 49 | (c)->pc = ((uintptr_t) _pc) - 8; \ |
| 50 | (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \ |
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| 1976 | jermar | 51 | (c)->fp = -STACK_BIAS |
| 528 | jermar | 52 | |
| 426 | jermar | 53 | |
| 418 | jermar | 54 | /* |
| 55 | * Only save registers that must be preserved across |
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| 657 | jermar | 56 | * function calls. |
| 418 | jermar | 57 | */ |
| 58 | struct context { |
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| 1780 | jermar | 59 | uintptr_t sp; /* %o6 */ |
| 60 | uintptr_t pc; /* %o7 */ |
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| 61 | uint64_t i0; |
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| 62 | uint64_t i1; |
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| 63 | uint64_t i2; |
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| 64 | uint64_t i3; |
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| 65 | uint64_t i4; |
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| 66 | uint64_t i5; |
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| 67 | uintptr_t fp; /* %i6 */ |
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| 68 | uintptr_t i7; |
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| 69 | uint64_t l0; |
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| 70 | uint64_t l1; |
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| 71 | uint64_t l2; |
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| 72 | uint64_t l3; |
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| 73 | uint64_t l4; |
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| 74 | uint64_t l5; |
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| 75 | uint64_t l6; |
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| 76 | uint64_t l7; |
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| 418 | jermar | 77 | ipl_t ipl; |
| 426 | jermar | 78 | }; |
| 418 | jermar | 79 | |
| 80 | #endif |
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| 1702 | cejka | 81 | |
| 1851 | jermar | 82 | /** @} |
| 1702 | cejka | 83 | */ |