| 1 | /*
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| 2 | * Copyright (c) 2014 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 |
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| 29 | #ifndef LIBC_ARCH_FIBRIL_CONTEXT_H_
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| 30 | #define LIBC_ARCH_FIBRIL_CONTEXT_H_
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| 31 |
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| 32 | #define CONTEXT_OFFSET_SP 0x00
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| 33 | #define CONTEXT_OFFSET_PC 0x04
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| 34 | #define CONTEXT_OFFSET_S0 0x08
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| 35 | #define CONTEXT_OFFSET_S1 0x0c
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| 36 | #define CONTEXT_OFFSET_S2 0x10
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| 37 | #define CONTEXT_OFFSET_S3 0x14
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| 38 | #define CONTEXT_OFFSET_S4 0x18
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| 39 | #define CONTEXT_OFFSET_S5 0x1c
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| 40 | #define CONTEXT_OFFSET_S6 0x20
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| 41 | #define CONTEXT_OFFSET_S7 0x24
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| 42 | #define CONTEXT_OFFSET_S8 0x28
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| 43 | #define CONTEXT_OFFSET_GP 0x2c
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| 44 | #define CONTEXT_OFFSET_TLS 0x30
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| 45 | #define CONTEXT_OFFSET_F20 0x34
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| 46 | #define CONTEXT_OFFSET_F21 0x38
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| 47 | #define CONTEXT_OFFSET_F22 0x3c
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| 48 | #define CONTEXT_OFFSET_F23 0x40
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| 49 | #define CONTEXT_OFFSET_F24 0x44
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| 50 | #define CONTEXT_OFFSET_F25 0x48
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| 51 | #define CONTEXT_OFFSET_F26 0x4c
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| 52 | #define CONTEXT_OFFSET_F27 0x50
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| 53 | #define CONTEXT_OFFSET_F28 0x54
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| 54 | #define CONTEXT_OFFSET_F29 0x58
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| 55 | #define CONTEXT_OFFSET_F30 0x5c
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| 56 | #define CONTEXT_SIZE 0x60
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| 57 |
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| 58 | #ifndef __ASSEMBLER__
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| 59 |
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| 60 | #include <stddef.h>
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| 61 | #include <stdint.h>
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| 62 |
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| 63 | typedef struct context {
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| 64 | uint32_t sp;
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| 65 | uint32_t pc;
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| 66 | uint32_t s0;
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| 67 | uint32_t s1;
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| 68 | uint32_t s2;
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| 69 | uint32_t s3;
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| 70 | uint32_t s4;
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| 71 | uint32_t s5;
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| 72 | uint32_t s6;
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| 73 | uint32_t s7;
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| 74 | uint32_t s8;
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| 75 | uint32_t gp;
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| 76 | /* Thread local storage (k1) */
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| 77 | uint32_t tls;
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| 78 | uint32_t f20;
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| 79 | uint32_t f21;
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| 80 | uint32_t f22;
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| 81 | uint32_t f23;
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| 82 | uint32_t f24;
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| 83 | uint32_t f25;
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| 84 | uint32_t f26;
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| 85 | uint32_t f27;
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| 86 | uint32_t f28;
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| 87 | uint32_t f29;
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| 88 | uint32_t f30;
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| 89 | } context_t;
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| 90 |
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| 91 | #endif
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| 92 | #endif
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