forked from Github_Repos/cvw
32 lines
1.6 KiB
Systemverilog
32 lines
1.6 KiB
Systemverilog
//////////////////////////////////////////
|
|
// wally-constants.vh
|
|
//
|
|
// Written: tfleming@hmc.edu 4 March 2021
|
|
// Modified:
|
|
//
|
|
// Purpose: Specify certain constants defined in the RISC-V 64-bit architecture.
|
|
// These macros should not be changed, except in the event of an
|
|
// update to the architecture or particularly special circumstances.
|
|
//
|
|
// A component of the Wally configurable RISC-V project.
|
|
//
|
|
// Copyright (C) 2021 Harvey Mudd College & Oklahoma State University
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
|
|
// files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
|
|
// modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
|
|
// is furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
// BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
|
|
// OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
///////////////////////////////////////////
|
|
|
|
// Virtual Memory Constants (sv39)
|
|
`define VPN_BITS 27
|
|
`define PPN_BITS 44
|
|
`define PA_BITS 56
|