From b63e53bbdb4dac63d40c21b75f0d3ba4dc352692 Mon Sep 17 00:00:00 2001 From: David Harris Date: Mon, 17 Jan 2022 14:01:01 +0000 Subject: [PATCH] Defined rv32e and rv32emc configs --- pipelined/config/rv32e/BTBPredictor.txt | 1024 ++++++++++++++++++ pipelined/config/rv32e/twoBitPredictor.txt | 1024 ++++++++++++++++++ pipelined/config/rv32e/wally-config.vh | 134 +++ pipelined/config/rv32emc/BTBPredictor.txt | 1024 ++++++++++++++++++ pipelined/config/rv32emc/twoBitPredictor.txt | 1024 ++++++++++++++++++ pipelined/config/rv32emc/wally-config.vh | 134 +++ pipelined/config/shared/wally-shared.vh | 2 + pipelined/testbench/testbench.sv | 1 + 8 files changed, 4367 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 create mode 100644 pipelined/config/rv32emc/BTBPredictor.txt create mode 100644 pipelined/config/rv32emc/twoBitPredictor.txt create mode 100644 pipelined/config/rv32emc/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 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 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a/pipelined/config/rv32e/wally-config.vh b/pipelined/config/rv32e/wally-config.vh new file mode 100644 index 000000000..53541e737 --- /dev/null +++ b/pipelined/config/rv32e/wally-config.vh @@ -0,0 +1,134 @@ +////////////////////////////////////////// +// 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 BUILDROOT 0 +`define BUSYBEAR 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 1 +`define ZIFENCEI_SUPPORTED 0 +`define COUNTERS 32 +`define ZICOUNTERS_SUPPORTED 0 + +// Microarchitectural Features +`define UARCH_PIPELINED 1 +`define UARCH_SUPERSCALR 0 +`define UARCH_SINGLECYCLE 0 +`define MEM_DTIM 0 +`define MEM_DCACHE 0 +`define MEM_IROM 0 +`define MEM_ICACHE 0 +`define MEM_VIRTMEM 0 +`define VECTORED_INTERRUPTS_SUPPORTED 1 + +// 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 DCACHE_REPLBITS 3 +`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 4 + +// 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'h00000FFF +`define RAM_SUPPORTED 1'b1 +`define RAM_BASE 34'h80000000 +`define RAM_RANGE 34'h07FFFFFF +`define EXT_MEM_SUPPORTED 1'b0 +`define EXT_MEM_BASE 34'h80000000 +`define EXT_MEM_RANGE 34'h07FFFFFF +`define CLINT_SUPPORTED 1'b1 +`define CLINT_BASE 34'h02000000 +`define CLINT_RANGE 34'h0000FFFF +`define GPIO_SUPPORTED 1'b1 +`define GPIO_BASE 34'h10012000 +`define GPIO_RANGE 34'h000000FF +`define UART_SUPPORTED 1'b1 +`define UART_BASE 34'h10000000 +`define UART_RANGE 34'h00000007 +`define PLIC_SUPPORTED 1'b1 +`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 1 +`define BPTYPE "BPGSHARE" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE +`define TESTSBP 0 diff --git a/pipelined/config/rv32emc/BTBPredictor.txt b/pipelined/config/rv32emc/BTBPredictor.txt new file mode 100644 index 000000000..fd3eedffb --- /dev/null +++ b/pipelined/config/rv32emc/BTBPredictor.txt @@ -0,0 +1,1024 @@ +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 +000000000000000000000000000000000000 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+00 +00 +00 +00 +00 +00 +00 +00 +00 +00 +00 +00 +00 +00 diff --git a/pipelined/config/rv32emc/wally-config.vh b/pipelined/config/rv32emc/wally-config.vh new file mode 100644 index 000000000..28a195249 --- /dev/null +++ b/pipelined/config/rv32emc/wally-config.vh @@ -0,0 +1,134 @@ +////////////////////////////////////////// +// 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 BUILDROOT 0 +`define BUSYBEAR 0 +`define DESIGN_COMPILER 0 + +// RV32 or RV64: XLEN = 32 or 64 +`define XLEN 32 + +// IEEE 754 compliance +`define IEEE754 0 + +// E, M, C +`define MISA (32'h00001014) +`define ZICSR_SUPPORTED 1 +`define ZIFENCEI_SUPPORTED 0 +`define COUNTERS 32 +`define ZICOUNTERS_SUPPORTED 0 + +// Microarchitectural Features +`define UARCH_PIPELINED 1 +`define UARCH_SUPERSCALR 0 +`define UARCH_SINGLECYCLE 0 +`define MEM_DTIM 0 +`define MEM_DCACHE 0 +`define MEM_IROM 0 +`define MEM_ICACHE 0 +`define MEM_VIRTMEM 0 +`define VECTORED_INTERRUPTS_SUPPORTED 1 + +// 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 DCACHE_REPLBITS 3 +`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 4 + +// 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'h00000FFF +`define RAM_SUPPORTED 1'b1 +`define RAM_BASE 34'h80000000 +`define RAM_RANGE 34'h07FFFFFF +`define EXT_MEM_SUPPORTED 1'b0 +`define EXT_MEM_BASE 34'h80000000 +`define EXT_MEM_RANGE 34'h07FFFFFF +`define CLINT_SUPPORTED 1'b1 +`define CLINT_BASE 34'h02000000 +`define CLINT_RANGE 34'h0000FFFF +`define GPIO_SUPPORTED 1'b1 +`define GPIO_BASE 34'h10012000 +`define GPIO_RANGE 34'h000000FF +`define UART_SUPPORTED 1'b1 +`define UART_BASE 34'h10000000 +`define UART_RANGE 34'h00000007 +`define PLIC_SUPPORTED 1'b1 +`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 1 +`define BPTYPE "BPGSHARE" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE +`define TESTSBP 0 diff --git a/pipelined/config/shared/wally-shared.vh b/pipelined/config/shared/wally-shared.vh index b19ba9082..277814f80 100644 --- a/pipelined/config/shared/wally-shared.vh +++ b/pipelined/config/shared/wally-shared.vh @@ -31,7 +31,9 @@ `define A_SUPPORTED ((`MISA >> 0) % 2 == 1) `define C_SUPPORTED ((`MISA >> 2) % 2 == 1) `define D_SUPPORTED ((`MISA >> 3) % 2 == 1) +`define E_SUPPORTED ((`MISA >> 4) % 2 == 1) `define F_SUPPORTED ((`MISA >> 5) % 2 == 1) +`define I_SUPPORTED ((`MISA >> 8) % 2 == 1) `define M_SUPPORTED ((`MISA >> 12) % 2 == 1) `define Q_SUPPORTED ((`MISA >> 16) % 2 == 1) `define S_SUPPORTED ((`MISA >> 18) % 2 == 1) diff --git a/pipelined/testbench/testbench.sv b/pipelined/testbench/testbench.sv index 854252d27..51c271c77 100644 --- a/pipelined/testbench/testbench.sv +++ b/pipelined/testbench/testbench.sv @@ -333,6 +333,7 @@ module riscvassertions; assert (`S_SUPPORTED | `MEM_VIRTMEM == 0) else $error("Virtual memory requires S mode support"); assert (`DIV_BITSPERCYCLE == 1 | `DIV_BITSPERCYCLE==2 | `DIV_BITSPERCYCLE==4) else $error("Illegal number of divider bits/cycle: DIV_BITSPERCYCLE must be 1, 2, or 4"); assert (`F_SUPPORTED | ~`D_SUPPORTED) else $error("Can't support double (D) without supporting float (F)"); + assert (`I_SUPPORTED ^ `E_SUPPORTED) else $error("Exactly one of I and E must be supported"); assert (`XLEN == 64 | ~`D_SUPPORTED) else $error("Wally does not yet support D extensions on RV32"); assert (`DCACHE_WAYSIZEINBYTES <= 4096 | `MEM_DCACHE == 0 | `MEM_VIRTMEM == 0) else $error("DCACHE_WAYSIZEINBYTES cannot exceed 4 KiB when caches and vitual memory is enabled (to prevent aliasing)"); assert (`DCACHE_LINELENINBITS >= 128 | `MEM_DCACHE == 0) else $error("DCACHE_LINELENINBITS must be at least 128 when caches are enabled");