openssl/include/crypto/riscv_arch.def
Hongren (Zenithal) Zheng d5dd608364 Add riscv scalar crypto extension capability
Signed-off-by: Hongren (Zenithal) Zheng <i@zenithal.me>

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18197)
2022-06-10 11:45:41 +02:00

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