From 14c1d8695382c9a39eb4599cc56d4ff4734326c8 Mon Sep 17 00:00:00 2001 From: David Harris Date: Fri, 4 Feb 2022 01:56:30 +0000 Subject: [PATCH] rv32e --- pipelined/config/rv32e/BTBPredictor.txt | 1024 ++++++++++++++++++++ pipelined/config/rv32e/twoBitPredictor.txt | 1024 ++++++++++++++++++++ pipelined/config/rv32e/wally-config.vh | 129 +++ 3 files changed, 2177 insertions(+) create mode 100644 pipelined/config/rv32e/BTBPredictor.txt create mode 100644 pipelined/config/rv32e/twoBitPredictor.txt create mode 100644 pipelined/config/rv32e/wally-config.vh diff --git a/pipelined/config/rv32e/BTBPredictor.txt b/pipelined/config/rv32e/BTBPredictor.txt new file mode 100644 index 000000000..fd3eedffb --- /dev/null +++ b/pipelined/config/rv32e/BTBPredictor.txt @@ -0,0 +1,1024 @@ +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 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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