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| Rev | Author | Line No. | Line |
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| 164 | palkovsky | 1 | /* |
| 306 | palkovsky | 2 | * Copyright (C) 2005 Ondrej Palkovsky |
| 164 | palkovsky | 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 | |||
| 29 | #ifndef __amd64_CONTEXT_H__ |
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| 30 | #define __amd64_CONTEXT_H__ |
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| 31 | |||
| 197 | palkovsky | 32 | #ifndef __amd64_TYPES_H__ |
| 33 | # include <arch/types.h> |
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| 34 | #endif |
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| 164 | palkovsky | 35 | |
| 36 | |||
| 282 | palkovsky | 37 | /* According to ABI the stack MUST be aligned on |
| 38 | * 16-byte boundary. If it is not, the va_arg calling will |
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| 39 | * panic sooner or later |
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| 40 | */ |
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| 41 | #define SP_DELTA 16 |
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| 42 | |||
| 306 | palkovsky | 43 | /* We include only registers that must be preserved |
| 44 | * during function call |
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| 45 | */ |
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| 164 | palkovsky | 46 | struct context { |
| 414 | jermar | 47 | __address sp; |
| 48 | __address pc; |
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| 197 | palkovsky | 49 | |
| 50 | __u64 rbx; |
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| 51 | __u64 rbp; |
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| 52 | |||
| 53 | __u64 r12; |
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| 54 | __u64 r13; |
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| 55 | __u64 r14; |
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| 56 | __u64 r15; |
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| 57 | |||
| 413 | jermar | 58 | ipl_t ipl; |
| 164 | palkovsky | 59 | } __attribute__ ((packed)); |
| 60 | |||
| 799 | palkovsky | 61 | /** This is passed to interrupt handlers */ |
| 62 | struct interrupt_context { |
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| 63 | __u64 rax; |
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| 64 | __u64 rbx; |
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| 65 | __u64 rcx; |
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| 66 | __u64 rdx; |
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| 67 | __u64 rsi; |
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| 68 | __u64 rdi; |
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| 69 | __u64 r8; |
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| 70 | __u64 r9; |
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| 71 | __u64 r10; |
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| 72 | __u64 r11; |
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| 73 | __u64 r12; |
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| 74 | __u64 r13; |
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| 75 | __u64 r14; |
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| 76 | __u64 r15; |
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| 77 | /* These 2 items MUST be last parts of the structure */ |
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| 78 | __u64 rbp; |
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| 79 | __u64 stack[0]; /* Additional data on stack */ |
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| 80 | } __attribute__ ((packed)); |
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| 81 | |||
| 164 | palkovsky | 82 | #endif |