forked from Github_Repos/cvw
155 lines
4.7 KiB
Systemverilog
155 lines
4.7 KiB
Systemverilog
//////////////////////////////////////////
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// wally-config.vh
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//
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// Written: David_Harris@hmc.edu 4 January 2021
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// Modified:
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//
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// Purpose: Specify which features are configured
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// Macros to determine which modes are supported based on MISA
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//
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// A component of the Wally configurable RISC-V project.
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//
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// Copyright (C) 2021 Harvey Mudd College & Oklahoma State University
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//
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// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
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//
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// Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file
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// except in compliance with the License, or, at your option, the Apache License version 2.0. You
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// may obtain a copy of the License at
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//
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// https://solderpad.org/licenses/SHL-2.1/
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//
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// Unless required by applicable law or agreed to in writing, any work distributed under the
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// License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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////////////////////////////////////////////////////////////////////////////////////////////////
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// include shared configuration
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`include "wally-shared.vh"
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`define FPGA 0
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`define QEMU 0
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// RV32 or RV64: XLEN = 32 or 64
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`define XLEN 64
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// IEEE 754 compliance
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`define IEEE754 0
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// MISA RISC-V configuration per specification
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`define MISA (32'h00000104 | 1 << 5 | 1 << 3 | 1 << 18 | 1 << 20 | 1 << 12 | 1 << 0 )
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`define ZICSR_SUPPORTED 1
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`define ZIFENCEI_SUPPORTED 1
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`define COUNTERS 32
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`define ZICOUNTERS_SUPPORTED 1
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`define ZFH_SUPPORTED 0
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// LSU microarchitectural Features
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`define BUS_SUPPORTED 1
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`define DCACHE_SUPPORTED 1
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`define ICACHE_SUPPORTED 1
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`define VIRTMEM_SUPPORTED 1
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`define VECTORED_INTERRUPTS_SUPPORTED 1
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`define BIGENDIAN_SUPPORTED 1
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// TLB configuration. Entries should be a power of 2
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`define ITLB_ENTRIES 32
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`define DTLB_ENTRIES 32
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// Cache configuration. Sizes should be a power of two
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// typical configuration 4 ways, 4096 bytes per way, 256 bit or more lines
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`define DCACHE_NUMWAYS 4
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`define DCACHE_WAYSIZEINBYTES 4096
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`define DCACHE_LINELENINBITS 512
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`define ICACHE_NUMWAYS 4
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`define ICACHE_WAYSIZEINBYTES 4096
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`define ICACHE_LINELENINBITS 512
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// Integer Divider Configuration
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// IDIV_BITSPERCYCLE must be 1, 2, or 4
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`define IDIV_BITSPERCYCLE 4
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`define IDIV_ON_FPU 1
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// Legal number of PMP entries are 0, 16, or 64
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`define PMP_ENTRIES 16
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// Address space
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`define RESET_VECTOR 64'h0000000080000000
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// Bus Interface width
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`define AHBW 64
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// WFI Timeout Wait
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`define WFI_TIMEOUT_BIT 16
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// Peripheral Physical Addresses
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// Peripheral memory space extends from BASE to BASE+RANGE
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// Range should be a thermometer code with 0's in the upper bits and 1s in the lower bits
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// *** each of these is `PA_BITS wide. is this paramaterizable INSIDE the config file?
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`define DTIM_SUPPORTED 1'b0
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`define DTIM_BASE 56'h80000000
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`define DTIM_RANGE 56'h007FFFFF
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`define IROM_SUPPORTED 1'b0
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`define IROM_BASE 56'h80000000
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`define IROM_RANGE 56'h007FFFFF
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`define BOOTROM_SUPPORTED 1'b1
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`define BOOTROM_BASE 56'h00001000 // spec had been 0x1000 to 0x2FFF, but dh truncated to 0x1000 to 0x1FFF because upper half seems to be all zeros and this is easier for decoder
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`define BOOTROM_RANGE 56'h00000FFF
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`define UNCORE_RAM_SUPPORTED 1'b1
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`define UNCORE_RAM_BASE 56'h80000000
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`define UNCORE_RAM_RANGE 56'h7FFFFFFF
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`define EXT_MEM_SUPPORTED 1'b0
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`define EXT_MEM_BASE 56'h80000000
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`define EXT_MEM_RANGE 56'h07FFFFFF
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`define CLINT_SUPPORTED 1'b1
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`define CLINT_BASE 56'h02000000
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`define CLINT_RANGE 56'h0000FFFF
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`define GPIO_SUPPORTED 1'b1
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`define GPIO_BASE 56'h10060000
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`define GPIO_RANGE 56'h000000FF
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`define UART_SUPPORTED 1'b1
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`define UART_BASE 56'h10000000
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`define UART_RANGE 56'h00000007
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`define PLIC_SUPPORTED 1'b1
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`define PLIC_BASE 56'h0C000000
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`define PLIC_RANGE 56'h03FFFFFF
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`define SDC_SUPPORTED 1'b0
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`define SDC_BASE 56'h00012100
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`define SDC_RANGE 56'h0000001F
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// Test modes
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// Tie GPIO outputs back to inputs
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`define GPIO_LOOPBACK_TEST 1
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// Hardware configuration
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`define UART_PRESCALE 1
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// Interrupt configuration
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`define PLIC_NUM_SRC 10
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// comment out the following if >=32 sources
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`define PLIC_NUM_SRC_LT_32
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`define PLIC_GPIO_ID 3
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`define PLIC_UART_ID 10
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`define BPRED_SUPPORTED 1
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`define BPRED_TYPE "BPSPECULATIVEGSHARE" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE or BPSPECULATIVEGLOBAL or BPSPECULATIVEGSHARE or BPOLDGSHARE or BPOLDGSHARE2
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`define BPRED_SIZE 10
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`define HPTW_WRITES_SUPPORTED 0
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// FPU division architecture
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`define RADIX 32'h4
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`define DIVCOPIES 32'h4
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// bit manipulation
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`define ZBA_SUPPORTED 0
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`define ZBB_SUPPORTED 0
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`define ZBC_SUPPORTED 0
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`define ZBS_SUPPORTED 0
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// Memory synthesis configuration
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`define USE_SRAM 0
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