| 1 | /*
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| 2 | * Copyright (c) 2005 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 |
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| 29 | #ifndef KERN_ppc32_CONTEXT_OFFSET_H_
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| 30 | #define KERN_ppc32_CONTEXT_OFFSET_H_
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| 31 |
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| 32 | #define OFFSET_SP 0x0
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| 33 | #define OFFSET_PC 0x4
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| 34 | #define OFFSET_R2 0x8
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| 35 | #define OFFSET_R13 0xc
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| 36 | #define OFFSET_R14 0x10
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| 37 | #define OFFSET_R15 0x14
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| 38 | #define OFFSET_R16 0x18
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| 39 | #define OFFSET_R17 0x1c
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| 40 | #define OFFSET_R18 0x20
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| 41 | #define OFFSET_R19 0x24
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| 42 | #define OFFSET_R20 0x28
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| 43 | #define OFFSET_R21 0x2c
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| 44 | #define OFFSET_R22 0x30
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| 45 | #define OFFSET_R23 0x34
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| 46 | #define OFFSET_R24 0x38
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| 47 | #define OFFSET_R25 0x3c
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| 48 | #define OFFSET_R26 0x40
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| 49 | #define OFFSET_R27 0x44
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| 50 | #define OFFSET_R28 0x48
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| 51 | #define OFFSET_R29 0x4c
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| 52 | #define OFFSET_R30 0x50
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| 53 | #define OFFSET_R31 0x54
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| 54 | #define OFFSET_CR 0x58
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| 55 |
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| 56 | #define OFFSET_FR14 0x0
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| 57 | #define OFFSET_FR15 0x8
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| 58 | #define OFFSET_FR16 0x10
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| 59 | #define OFFSET_FR17 0x18
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| 60 | #define OFFSET_FR18 0x20
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| 61 | #define OFFSET_FR19 0x28
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| 62 | #define OFFSET_FR20 0x30
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| 63 | #define OFFSET_FR21 0x38
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| 64 | #define OFFSET_FR22 0x40
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| 65 | #define OFFSET_FR23 0x48
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| 66 | #define OFFSET_FR24 0x50
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| 67 | #define OFFSET_FR25 0x58
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| 68 | #define OFFSET_FR26 0x60
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| 69 | #define OFFSET_FR27 0x68
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| 70 | #define OFFSET_FR28 0x70
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| 71 | #define OFFSET_FR29 0x78
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| 72 | #define OFFSET_FR30 0x80
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| 73 | #define OFFSET_FR31 0x88
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| 74 | #define OFFSET_FPSCR 0x90
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| 75 |
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| 76 | #ifdef __ASM__
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| 77 | # include <arch/asm/regname.h>
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| 78 |
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| 79 | # ctx: address of the structure with saved context
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| 80 | .macro CONTEXT_SAVE_ARCH_CORE ctx:req
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| 81 | stw sp, OFFSET_SP(\ctx)
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| 82 | stw r2, OFFSET_R2(\ctx)
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| 83 | stw r13, OFFSET_R13(\ctx)
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| 84 | stw r14, OFFSET_R14(\ctx)
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| 85 | stw r15, OFFSET_R15(\ctx)
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| 86 | stw r16, OFFSET_R16(\ctx)
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| 87 | stw r17, OFFSET_R17(\ctx)
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| 88 | stw r18, OFFSET_R18(\ctx)
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| 89 | stw r19, OFFSET_R19(\ctx)
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| 90 | stw r20, OFFSET_R20(\ctx)
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| 91 | stw r21, OFFSET_R21(\ctx)
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| 92 | stw r22, OFFSET_R22(\ctx)
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| 93 | stw r23, OFFSET_R23(\ctx)
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| 94 | stw r24, OFFSET_R24(\ctx)
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| 95 | stw r25, OFFSET_R25(\ctx)
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| 96 | stw r26, OFFSET_R26(\ctx)
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| 97 | stw r27, OFFSET_R27(\ctx)
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| 98 | stw r28, OFFSET_R28(\ctx)
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| 99 | stw r29, OFFSET_R29(\ctx)
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| 100 | stw r30, OFFSET_R30(\ctx)
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| 101 | stw r31, OFFSET_R31(\ctx)
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| 102 | .endm
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| 103 |
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| 104 | # ctx: address of the structure with saved context
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| 105 | .macro CONTEXT_RESTORE_ARCH_CORE ctx:req
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| 106 | lwz sp, OFFSET_SP(\ctx)
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| 107 | lwz r2, OFFSET_R2(\ctx)
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| 108 | lwz r13, OFFSET_R13(\ctx)
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| 109 | lwz r14, OFFSET_R14(\ctx)
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| 110 | lwz r15, OFFSET_R15(\ctx)
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| 111 | lwz r16, OFFSET_R16(\ctx)
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| 112 | lwz r17, OFFSET_R17(\ctx)
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| 113 | lwz r18, OFFSET_R18(\ctx)
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| 114 | lwz r19, OFFSET_R19(\ctx)
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| 115 | lwz r20, OFFSET_R20(\ctx)
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| 116 | lwz r21, OFFSET_R21(\ctx)
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| 117 | lwz r22, OFFSET_R22(\ctx)
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| 118 | lwz r23, OFFSET_R23(\ctx)
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| 119 | lwz r24, OFFSET_R24(\ctx)
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| 120 | lwz r25, OFFSET_R25(\ctx)
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| 121 | lwz r26, OFFSET_R26(\ctx)
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| 122 | lwz r27, OFFSET_R27(\ctx)
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| 123 | lwz r28, OFFSET_R28(\ctx)
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| 124 | lwz r29, OFFSET_R29(\ctx)
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| 125 | lwz r30, OFFSET_R30(\ctx)
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| 126 | lwz r31, OFFSET_R31(\ctx)
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| 127 | .endm
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| 128 |
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| 129 | #endif /* __ASM__ */
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| 130 |
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| 131 | #endif
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