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globals.svh
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globals.svh
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/*
* Copyright (C) 2022 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as published
* by the Free Software Foundation; either version 3 of the License,
* or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*/
`ifndef GLOBALS_SVH_ // guard
`define GLOBALS_SVH_
parameter EXP_BIAS = 11'sd1023;
parameter EXP_MAX = 11'd2047;
typedef logic [10:0] exponent_t; // -1023 biased exponent
// Separate typedef for acc and mul mantissa for future fp32 * fp32 + fp64 = fp64 extension
typedef logic signed [51 + 2:0] accMantNormalSigned_t; // Signed mantissa with leading 1
typedef logic signed [51 + 2:0] mulMantNormalSigned_t; // Signed mantissa with leading 1
typedef struct packed {
exponent_t Exp;
accMantNormalSigned_t Mant;
} accNormalSigned_t;
typedef struct packed {
exponent_t Exp;
mulMantNormalSigned_t Mant;
} mulNormalSigned_t;
typedef logic signed [2 * $bits(mulMantNormalSigned_t) - 1: 0] mulOut_t;
`endif // guard GLOBALS_SVH_