| 1 | /* Copyright (c) 2014 Jakub Jermar
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| 2 | * All rights preserved.
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| 3 | *
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| 4 | * Redistribution and use in source and binary forms, with or without
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| 5 | * modification, are permitted provided that the following conditions
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| 6 | * are met:
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| 7 | *
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| 8 | * - Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * - Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * - The name of the author may not be used to endorse or promote products
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| 14 | * derived from this software without specific prior written permission.
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| 15 | *
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 26 | */
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| 27 |
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| 28 | #ifndef LIBC_ARCH_FIBRIL_CONTEXT_H_
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| 29 | #define LIBC_ARCH_FIBRIL_CONTEXT_H_
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| 30 |
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| 31 | #define CONTEXT_OFFSET_AR_PFS 0x000
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| 32 | #define CONTEXT_OFFSET_AR_UNAT_CALLER 0x008
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| 33 | #define CONTEXT_OFFSET_AR_UNAT_CALLEE 0x010
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| 34 | #define CONTEXT_OFFSET_AR_RSC 0x018
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| 35 | #define CONTEXT_OFFSET_BSP 0x020
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| 36 | #define CONTEXT_OFFSET_AR_RNAT 0x028
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| 37 | #define CONTEXT_OFFSET_AR_LC 0x030
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| 38 | #define CONTEXT_OFFSET_R1 0x038
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| 39 | #define CONTEXT_OFFSET_R4 0x040
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| 40 | #define CONTEXT_OFFSET_R5 0x048
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| 41 | #define CONTEXT_OFFSET_R6 0x050
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| 42 | #define CONTEXT_OFFSET_R7 0x058
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| 43 | #define CONTEXT_OFFSET_SP 0x060
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| 44 | #define CONTEXT_OFFSET_TP 0x068
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| 45 | #define CONTEXT_OFFSET_PC 0x070
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| 46 | #define CONTEXT_OFFSET_B1 0x078
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| 47 | #define CONTEXT_OFFSET_B2 0x080
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| 48 | #define CONTEXT_OFFSET_B3 0x088
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| 49 | #define CONTEXT_OFFSET_B4 0x090
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| 50 | #define CONTEXT_OFFSET_B5 0x098
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| 51 | #define CONTEXT_OFFSET_PR 0x0a0
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| 52 | #define CONTEXT_OFFSET_F2 0x0b0
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| 53 | #define CONTEXT_OFFSET_F3 0x0c0
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| 54 | #define CONTEXT_OFFSET_F4 0x0d0
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| 55 | #define CONTEXT_OFFSET_F5 0x0e0
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| 56 | #define CONTEXT_OFFSET_F16 0x0f0
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| 57 | #define CONTEXT_OFFSET_F17 0x100
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| 58 | #define CONTEXT_OFFSET_F18 0x110
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| 59 | #define CONTEXT_OFFSET_F19 0x120
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| 60 | #define CONTEXT_OFFSET_F20 0x130
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| 61 | #define CONTEXT_OFFSET_F21 0x140
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| 62 | #define CONTEXT_OFFSET_F22 0x150
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| 63 | #define CONTEXT_OFFSET_F23 0x160
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| 64 | #define CONTEXT_OFFSET_F24 0x170
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| 65 | #define CONTEXT_OFFSET_F25 0x180
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| 66 | #define CONTEXT_OFFSET_F26 0x190
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| 67 | #define CONTEXT_OFFSET_F27 0x1a0
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| 68 | #define CONTEXT_OFFSET_F28 0x1b0
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| 69 | #define CONTEXT_OFFSET_F29 0x1c0
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| 70 | #define CONTEXT_OFFSET_F30 0x1d0
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| 71 | #define CONTEXT_OFFSET_F31 0x1e0
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| 72 | #define CONTEXT_SIZE 0x1f0
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| 73 |
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| 74 | #ifndef __ASSEMBLER__
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| 75 |
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| 76 | #include <stdint.h>
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| 77 |
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| 78 | // Only save registers that must be preserved across function calls.
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| 79 | typedef struct context {
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| 80 | // Application registers.
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| 81 | uint64_t ar_pfs;
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| 82 | uint64_t ar_unat_caller;
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| 83 | uint64_t ar_unat_callee;
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| 84 | uint64_t ar_rsc;
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| 85 | // ar_bsp
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| 86 | uint64_t bsp;
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| 87 | uint64_t ar_rnat;
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| 88 | uint64_t ar_lc;
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| 89 |
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| 90 | // General registers.
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| 91 | uint64_t r1;
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| 92 | uint64_t r4;
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| 93 | uint64_t r5;
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| 94 | uint64_t r6;
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| 95 | uint64_t r7;
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| 96 | // r12
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| 97 | uint64_t sp;
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| 98 | // r13
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| 99 | uint64_t tp;
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| 100 |
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| 101 | // Branch registers.
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| 102 | // b0
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| 103 | uint64_t pc;
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| 104 | uint64_t b1;
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| 105 | uint64_t b2;
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| 106 | uint64_t b3;
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| 107 | uint64_t b4;
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| 108 | uint64_t b5;
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| 109 |
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| 110 | // Predicate registers.
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| 111 | uint64_t pr;
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| 112 | uint128_t f2;
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| 113 | uint128_t f3;
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| 114 | uint128_t f4;
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| 115 | uint128_t f5;
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| 116 | uint128_t f16;
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| 117 | uint128_t f17;
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| 118 | uint128_t f18;
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| 119 | uint128_t f19;
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| 120 | uint128_t f20;
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| 121 | uint128_t f21;
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| 122 | uint128_t f22;
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| 123 | uint128_t f23;
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| 124 | uint128_t f24;
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| 125 | uint128_t f25;
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| 126 | uint128_t f26;
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| 127 | uint128_t f27;
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| 128 | uint128_t f28;
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| 129 | uint128_t f29;
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| 130 | uint128_t f30;
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| 131 | uint128_t f31;
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| 132 | } context_t;
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| 133 |
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| 134 | #endif /* __ASSEMBLER__ */
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| 135 | #endif
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| 136 |
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