| 1 | /*
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| 2 | * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | /* X Macro Definitions for Specification of RISC-V Arch Capabilities */
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| 11 |
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| 12 | /*
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| 13 | * Each RISC-V capability ends up encoded as a single set bit in an array of
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| 14 | * words. When specifying a new capability, write a new RISCV_DEFINE_CAP
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| 15 | * statement, with an argument as the extension name in all-caps,
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| 16 | * second argument as the index in the array where the capability will be stored
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| 17 | * and third argument as the index of the bit to be used to encode the
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| 18 | * capability.
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| 19 | * RISCV_DEFINE_CAP(EXTENSION NAME, array index, bit index) */
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| 20 |
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| 21 | RISCV_DEFINE_CAP(ZBA, 0, 0)
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| 22 | RISCV_DEFINE_CAP(ZBB, 0, 1)
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| 23 | RISCV_DEFINE_CAP(ZBC, 0, 2)
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| 24 | RISCV_DEFINE_CAP(ZBS, 0, 3)
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| 25 | RISCV_DEFINE_CAP(ZBKB, 0, 4)
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| 26 | RISCV_DEFINE_CAP(ZBKC, 0, 5)
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| 27 | RISCV_DEFINE_CAP(ZBKX, 0, 6)
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| 28 | RISCV_DEFINE_CAP(ZKND, 0, 7)
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| 29 | RISCV_DEFINE_CAP(ZKNE, 0, 8)
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| 30 | RISCV_DEFINE_CAP(ZKNH, 0, 9)
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| 31 | RISCV_DEFINE_CAP(ZKSED, 0, 10)
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| 32 | RISCV_DEFINE_CAP(ZKSH, 0, 11)
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| 33 | RISCV_DEFINE_CAP(ZKR, 0, 12)
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| 34 | RISCV_DEFINE_CAP(ZKT, 0, 13)
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| 35 |
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| 36 | /*
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| 37 | * In the future ...
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| 38 | * RISCV_DEFINE_CAP(ZFOO, 0, 31)
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| 39 | * RISCV_DEFINE_CAP(ZBAR, 1, 0)
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| 40 | * ... and so on.
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| 41 | */
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| 42 |
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| 43 | #undef RISCV_DEFINE_CAP
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