..
   Copyright 2024 CEA*
   *Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA)

   SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1

   Licensed under the Solderpad Hardware License v 2.1 (the “License”); you
   may not use this file except in compliance with the License, or, at your
   option, the Apache License version 2.0. You may obtain a copy of the
   License at

   https://solderpad.org/licenses/SHL-2.1/

   Unless required by applicable law or agreed to in writing, any work
   distributed under the License is distributed on an “AS IS” BASIS, WITHOUT
   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   License for the specific language governing permissions and limitations
   under the License.

   Authors       : Cesar Fuguet
   Description   : HPDcache References


References
==========

.. [RISCVUP2019] The RISC-V Instruction Set Manual, Volume I: Unpriviledged ISA,
   A. Waterman and K. Asanovic, 2019,
   https://github.com/riscv/riscv-isa-manual/releases/download/Ratified-IMAFDQC/riscv-spec-20191213.pdf

.. [RISCVP2019] The RISC-V Instruction Set Manual, Volume II: Priviledged
   Architecture,
   A. Waterman, K. Asanovic, and J. Hauser, 2021,
   https://github.com/riscv/riscv-isa-manual/releases/download/Priv-v1.12/riscv-privileged-20211203.pdf

.. [AXI2020] AMBA AXI and ACE Protocol Specification, ARM, 2020,
   https://developer.arm.com/documentation/ihi0022/hc/?lang=en