rv32e

pipelined/config/rv32e/wally-config.vh

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+//////////////////////////////////////////
+// wally-config.vh
+//
+// Written: David_Harris@hmc.edu 4 January 2021
+// Modified: 
+//
+// Purpose: Specify which features are configured
+//          Macros to determine which modes are supported based on MISA
+// 
+// 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.
+///////////////////////////////////////////
+
+// include shared configuration
+`include "wally-shared.vh"
+
+`define FPGA 0
+`define QEMU 0
+`define DESIGN_COMPILER 0
+
+// RV32 or RV64: XLEN = 32 or 64
+`define XLEN 32
+
+// IEEE 754 compliance
+`define IEEE754 0
+
+// E
+`define MISA (32'h00000010) 
+`define ZICSR_SUPPORTED 0
+`define ZIFENCEI_SUPPORTED 0
+`define COUNTERS 0
+`define ZICOUNTERS_SUPPORTED 0
+
+// Microarchitectural Features
+`define UARCH_PIPELINED 1
+`define UARCH_SUPERSCALR 0
+`define UARCH_SINGLECYCLE 0
+`define DMEM `MEM_BUS
+`define IMEM `MEM_BUS
+`define VIRTMEM_SUPPORTED 0
+`define VECTORED_INTERRUPTS_SUPPORTED 0 
+
+// TLB configuration.  Entries should be a power of 2
+`define ITLB_ENTRIES 0
+`define DTLB_ENTRIES 0
+
+// Cache configuration.  Sizes should be a power of two
+// typical configuration 4 ways, 4096 bytes per way, 256 bit or more lines
+`define DCACHE_NUMWAYS 4
+`define DCACHE_WAYSIZEINBYTES 4096
+`define DCACHE_LINELENINBITS 256
+`define ICACHE_NUMWAYS 4
+`define ICACHE_WAYSIZEINBYTES 4096
+`define ICACHE_LINELENINBITS 256
+
+// Integer Divider Configuration
+// DIV_BITSPERCYCLE must be 1, 2, or 4
+`define DIV_BITSPERCYCLE 1
+
+// Legal number of PMP entries are 0, 16, or 64
+`define PMP_ENTRIES 0
+
+// Address space
+`define RESET_VECTOR 32'h80000000
+
+// Peripheral Addresses
+// Peripheral memory space extends from BASE to BASE+RANGE
+// Range should be a thermometer code with 0's in the upper bits and 1s in the lower bits
+`define BOOTROM_SUPPORTED 1'b1
+`define BOOTROM_BASE   34'h00001000 
+`define BOOTROM_RANGE  34'h000000FF
+`define RAM_SUPPORTED 1'b1
+`define RAM_BASE       34'h80000000
+`define RAM_RANGE      34'h000003FF
+`define EXT_MEM_SUPPORTED 1'b0
+`define EXT_MEM_BASE       34'h80000000
+`define EXT_MEM_RANGE      34'h07FFFFFF
+`define CLINT_SUPPORTED 1'b0
+`define CLINT_BASE  34'h02000000
+`define CLINT_RANGE 34'h0000FFFF
+`define GPIO_SUPPORTED 1'b0
+`define GPIO_BASE   34'h10060000
+`define GPIO_RANGE  34'h000000FF
+`define UART_SUPPORTED 1'b0
+`define UART_BASE   34'h10000000
+`define UART_RANGE  34'h00000007
+`define PLIC_SUPPORTED 1'b0
+`define PLIC_BASE   34'h0C000000
+`define PLIC_RANGE  34'h03FFFFFF
+`define SDC_SUPPORTED 1'b0
+`define SDC_BASE   34'h00012100
+`define SDC_RANGE  34'h0000001F
+
+// Bus Interface width
+`define AHBW 32
+
+// Test modes
+
+// Tie GPIO outputs back to inputs
+`define GPIO_LOOPBACK_TEST 1
+
+// Hardware configuration
+`define UART_PRESCALE 1
+
+// Interrupt configuration
+`define PLIC_NUM_SRC 4
+// comment out the following if >=32 sources
+`define PLIC_NUM_SRC_LT_32
+`define PLIC_GPIO_ID 3
+`define PLIC_UART_ID 4
+
+`define TWO_BIT_PRELOAD "../config/rv32ic/twoBitPredictor.txt"
+`define BTB_PRELOAD "../config/rv32ic/BTBPredictor.txt"
+`define BPRED_ENABLED 0
+`define BPTYPE "BPGSHARE" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
+`define TESTSBP 0