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verilator suppor for opae (partial)

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This commit is contained in:
Blaise Tine
2020-06-03 06:22:49 -04:00
parent 16d5a8a09c
commit 106d707024
35 changed files with 621 additions and 128 deletions
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5
Makefile Normal file
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@@ -0,0 +1,5 @@
all:
$(MAKE) -C hw
$(MAKE) -C driver
$(MAKE) -C runtime
$(MAKE) -C simX

2
driver/common/vx_utils.cpp
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@@ -2,7 +2,7 @@
#include <fstream>
#include <cstring>
#include <vortex.h>
#include <config.h>
#include <VX_config.h>
extern int vx_dev_caps(int caps_id) {
switch (caps_id) {

2
driver/opae/Makefile
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@@ -1,7 +1,7 @@
CXXFLAGS += -std=c++11 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
CXXFLAGS += -I../include -I/tools/opae/1.4.0/include -I../../runtime
CXXFLAGS += -I../include -I/tools/opae/1.4.0/include -I../../hw
LDFLAGS += -L/tools/opae/1.4.0/lib

15
driver/rtlsim/Makefile
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@@ -19,6 +19,7 @@ DBG_PRINT_FLAGS = -DDBG_PRINT_CORE_ICACHE \
MULTICORE += -DNUM_CLUSTERS=1 -DNUM_CORES=2
#DEBUG = 1
AFU=1
CFLAGS += -fPIC
@@ -27,6 +28,8 @@ CFLAGS += -DUSE_RTLSIM $(MULTICORE)
LDFLAGS += -shared -pthread
# LDFLAGS += -dynamiclib -pthread
TOP = Vortex_Socket
SRCS = vortex.cpp ../common/vx_utils.cpp ../../hw/simulate/simulator.cpp
RTL_INCLUDE = -I../../hw/rtl -I../../hw/rtl/libs -I../../hw/rtl/interfaces -I../../hw/rtl/pipe_regs -I../../hw/rtl/cache
@@ -48,14 +51,22 @@ else
VL_FLAGS += -DNDEBUG
endif
# AFU
ifdef AFU
TOP = vortex_afu_sim
VL_FLAGS += -DNOPAE
CFLAGS += -DNOPAE
RTL_INCLUDE += -I../../hw/opae -I../../hw/opae/ccip
endif
PROJECT = libvortex.so
# PROJECT = libvortex.dylib
all: $(PROJECT)
$(PROJECT): $(SRCS)
verilator --exe --cc Vortex_Socket.v $(RTL_INCLUDE) $(VL_FLAGS) $(SRCS) -CFLAGS '$(CFLAGS)' -LDFLAGS '$(LDFLAGS)' -o ../$(PROJECT)
make -j -C obj_dir -f VVortex_Socket.mk
verilator --exe --cc $(TOP) $(RTL_INCLUDE) $(VL_FLAGS) $(SRCS) -CFLAGS '$(CFLAGS)' -LDFLAGS '$(LDFLAGS)' -o ../$(PROJECT)
make -j -C obj_dir -f V$(TOP).mk
clean:
rm -rf $(PROJECT) obj_dir

64
driver/rtlsim/ram.h Normal file
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@@ -0,0 +1,64 @@
#pragma once
#include <stdio.h>
#include <stdint.h>
class RAM {
private:
mutable uint8_t *mem_[(1 << 12)];
uint8_t *get(uint32_t address) const {
uint32_t block_addr = address >> 20;
uint32_t block_offset = address & 0x000FFFFF;
if (mem_[block_addr] == NULL) {
mem_[block_addr] = new uint8_t[(1 << 20)];
}
return mem_[block_addr] + block_offset;
}
public:
RAM() {
for (uint32_t i = 0; i < (1 << 12); i++) {
mem_[i] = NULL;
}
}
~RAM() {
this->clear();
}
size_t size() const {
return (1ull << 32);
}
void clear() {
for (uint32_t i = 0; i < (1 << 12); i++) {
if (mem_[i]) {
delete mem_[i];
mem_[i] = NULL;
}
}
}
void read(uint32_t address, uint32_t length, uint8_t *data) const {
for (unsigned i = 0; i < length; i++) {
data[i] = *this->get(address + i);
}
}
void write(uint32_t address, uint32_t length, const uint8_t *data) {
for (unsigned i = 0; i < length; i++) {
*this->get(address + i) = data[i];
}
}
uint8_t& operator[](uint32_t address) {
return *get(address);
}
const uint8_t& operator[](uint32_t address) const {
return *get(address);
}
};

70
driver/rtlsim/simulator.cpp Normal file
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@@ -0,0 +1,70 @@
#include "simulator.h"
#include <iostream>
#include <fstream>
#include <iomanip>
uint64_t timestamp = 0;
double sc_time_stamp() {
return timestamp;
}
Simulator::Simulator() {
// force random values for unitialized signals
const char* args[] = {"", "+verilator+rand+reset+2", "+verilator+seed+50"};
Verilated::commandArgs(3, args);
vortex_ = new Vvortex_afu_sim();
#ifdef VCD_OUTPUT
Verilated::traceEverOn(true);
trace_ = new VerilatedVcdC;
vortex_->trace(trace_, 99);
trace_->open("trace.vcd");
#endif
}
Simulator::~Simulator() {
#ifdef VCD_OUTPUT
trace_->close();
#endif
delete vortex_;
}
void Simulator::reset() {
#ifndef NDEBUG
std::cout << timestamp << ": [sim] reset()" << std::endl;
#endif
vortex_->reset = 1;
this->step();
vortex_->reset = 0;
dram_rsp_vec_.clear();
}
void Simulator::step() {
vortex_->clk = 0;
this->eval();
vortex_->clk = 1;
this->eval();
avs_driver();
ccip_driver();
}
void Simulator::eval() {
vortex_->eval();
#ifdef VCD_OUTPUT
trace_->dump(timestamp);
#endif
++timestamp;
}
void Simulator::avs_driver() {
//--
}
void Simulator::ccip_driver() {
//--
}

59
driver/rtlsim/simulator.h Normal file
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@@ -0,0 +1,59 @@
#pragma once
#include "Vvortex_afu_sim.h"
#include "Vvortex_afu_sim__Syms.h"
#include "verilated.h"
#ifdef VCD_OUTPUT
#include <verilated_vcd_c.h>
#endif
#include <VX_config.h>
#include "ram.h"
#include <ostream>
#include <vector>
#define ENABLE_DRAM_STALLS
#define DRAM_LATENCY 100
#define DRAM_RQ_SIZE 16
#define DRAM_STALLS_MODULO 16
typedef struct {
int cycles_left;
uint8_t *data;
unsigned tag;
} dram_req_t;
class Simulator {
public:
Simulator();
virtual ~Simulator();
void reset();
void step();
int mmio_read(uint64_t addr, uint64_t* value);
int mmio_write(uint64_t addr, uint64_t value);
private:
void eval();
void avs_driver();
void ccip_driver();
std::vector<dram_req_t> dram_rsp_vec_;
RAM ram_;
Vvortex_afu_sim *vortex_;
#ifdef VCD_OUTPUT
VerilatedVcdC *trace_;
#endif
};

3
driver/rtlsim/vortex.cpp
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@@ -7,7 +7,6 @@
#include <chrono>
#include <vortex.h>
#include <ram.h>
#include <simulator.h>
///////////////////////////////////////////////////////////////////////////////
@@ -60,7 +59,6 @@ class vx_device {
public:
vx_device() {
mem_allocation_ = vx_dev_caps(VX_CAPS_ALLOC_BASE_ADDR);
simulator_.attach_ram(&ram_);
}
~vx_device() {
@@ -146,7 +144,6 @@ public:
private:
size_t mem_allocation_;
RAM ram_;
Simulator simulator_;
std::future<void> future_;
};

2
driver/simx/Makefile
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@@ -1,7 +1,7 @@
CFLAGS += -std=c++11 -O3 -Wall -Wextra -pedantic -Wfatal-errors
#CFLAGS += -std=c++11 -g -O0 -Wall -Wextra -pedantic -Wfatal-errors
CFLAGS += -I../../include -I../../../simX/include -I../../../runtime
CFLAGS += -I../../include -I../../../simX/include -I../../../hw
CFLAGS += -fPIC

2
driver/simx/vortex.cpp
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@@ -9,7 +9,7 @@
#include <vortex.h>
#include <core.h>
#include <config.h>
#include <VX_config.h>
#define PAGE_SIZE 4096

1
driver/tests/basic/Makefile
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@@ -15,6 +15,7 @@ VX_API = $(VX_RT_PATH)/vx_api/vx_api.c
VX_FIO = $(VX_RT_PATH)/fileio/fileio.S
VX_CFLAGS = -march=rv32im -mabi=ilp32 -O3 -Wl,-Bstatic,-T,$(VX_RT_PATH)/startup/vx_link.ld -ffreestanding -nostartfiles -Wl,--gc-sections
VX_CFLAGS += -I../../../hw
VX_SRCS = kernel.c

4
driver/tests/basic/common.h
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@@ -1,8 +1,8 @@
#ifndef _COMMON_H_
#define _COMMON_H_
#define DEV_MEM_SRC_ADDR 0x10000000
#define DEV_MEM_DST_ADDR 0x20000000
#define DEV_MEM_SRC_ADDR 0x10000040
#define DEV_MEM_DST_ADDR 0x20000080
#define NUM_BLOCKS 64
#endif

BIN
driver/tests/basic/kernel.bin
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Binary file not shown.

2
driver/tests/basic/kernel.c
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@@ -1,5 +1,5 @@
#include <stdint.h>
#include "config.h"
#include <VX_config.h>
#include "intrinsics/vx_intrinsics.h"
#include "common.h"

1
driver/tests/demo/Makefile
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@@ -14,6 +14,7 @@ VX_API = $(VX_RT_PATH)/vx_api/vx_api.c
#VX_FIO = $(VX_RT_PATH)/fileio/fileio.S
VX_CFLAGS = -march=rv32im -mabi=ilp32 -O3 -Wl,-Bstatic,-T,$(VX_RT_PATH)/startup/vx_link.ld -ffreestanding -nostartfiles -Wl,--gc-sections
VX_CFLAGS += -I../../../hw
VX_SRCS = kernel.c

93
hw/Makefile
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@@ -1,95 +1,4 @@
all: build-s
CF += -std=c++11 -fms-extensions
VF += --language 1800-2009 --assert -Wall -Wpedantic
VF += -Wno-DECLFILENAME
VF += --x-initial unique
VF += -exe $(SRCS) $(INCLUDE)
#MULTICORE += -DNUM_CLUSTERS=2 -DNUM_CORES=4
#MULTICORE += -DNUM_CLUSTERS=1 -DNUM_CORES=4
MULTICORE += -DNUM_CLUSTERS=1 -DNUM_CORES=2
# control RTL debug print states
DBG_PRINT_FLAGS = -DDBG_PRINT_CORE_ICACHE \
-DDBG_PRINT_CORE_DCACHE \
-DDBG_PRINT_CACHE_BANK \
-DDBG_PRINT_CACHE_SNP \
-DDBG_PRINT_CACHE_MSRQ \
-DDBG_PRINT_DRAM \
-DDBG_PRINT_OPAE
#DBG_PRINT=$(DBG_PRINT_FLAGS)
INCLUDE = -I./rtl/ -I./rtl/libs -I./rtl/interfaces -I./rtl/pipe_regs -I./rtl/cache -I./rtl/simulate
SRCS += ./simulate/testbench.cpp ./simulate/simulator.cpp
DBG += -DVCD_OUTPUT $(DBG_PRINT)
THREADS ?= $(shell python3 -c 'import multiprocessing as mp; print(max(1, mp.cpu_count() // 2))')
.PHONY: build_config
build_config:
./scripts/gen_config.py --outv ./rtl/VX_user_config.vh --outc ./simulate/VX_config.h
gen-s: build_config
verilator $(VF) -DNDEBUG -cc Vortex_Socket.v -CFLAGS '$(CF) -DNDEBUG'
gen-sd: build_config
verilator $(VF) -cc Vortex_Socket.v -CFLAGS '$(CF) -g -O0 $(DBG)' --trace $(DBG)
gen-st: build_config
verilator $(VF) -DNDEBUG -cc Vortex_Socket.v -CFLAGS '$(CF) -DNDEBUG -O2' --threads $(THREADS)
gen-m: build_config
verilator $(VF) -DNDEBUG -cc Vortex_Socket.v $(MULTICORE) -CFLAGS '$(CF) -DNDEBUG $(MULTICORE)'
gen-md: build_config
verilator $(VF) -cc Vortex_Socket.v $(MULTICORE) -CFLAGS '$(CF) -g -O0 $(DBG) $(MULTICORE)' --trace $(DBG)
gen-mt: build_config
verilator $(VF) -DNDEBUG -cc Vortex_Socket.v $(MULTICORE) -CFLAGS '$(CF) -DNDEBUG -O2 $(MULTICORE)' --threads $(THREADS)
build-s: gen-s
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-sd: gen-sd
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-st: gen-st
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-m: gen-m
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-md: gen-md
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-mt: gen-mt
(cd obj_dir && make -j -f VVortex_Socket.mk)
run: run-s
run-s: build-s
(cd obj_dir && ./VVortex_Socket)
run-sd: build-sd
(cd obj_dir && ./VVortex_Socket)
run-st: build-st
(cd obj_dir && ./VVortex_Socket)
run-m: build-m
(cd obj_dir && ./VVortex_Socket)
run-md: build-md
(cd obj_dir && ./VVortex_Socket)
run-mt: build-mt
(cd obj_dir && ./VVortex_Socket)
clean:
rm -rf obj_dir
./scripts/gen_config.py --outv ./rtl/VX_user_config.vh --outc ./VX_config.h

238
hw/opae/ccip/ccip_if_pkg.sv Normal file
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@@ -0,0 +1,238 @@
// Date: 02/2/2016
// Compliant with CCI-P spec v0.71
package ccip_if_pkg;
//=====================================================================
// CCI-P interface defines
//=====================================================================
parameter CCIP_VERSION_NUMBER = 12'h071;
parameter CCIP_CLADDR_WIDTH = 42;
parameter CCIP_CLDATA_WIDTH = 512;
parameter CCIP_MMIOADDR_WIDTH = 16;
parameter CCIP_MMIODATA_WIDTH = 64;
parameter CCIP_TID_WIDTH = 9;
parameter CCIP_MDATA_WIDTH = 16;
// Number of requests that can be accepted after almost full is asserted.
parameter CCIP_TX_ALMOST_FULL_THRESHOLD = 8;
parameter CCIP_MMIO_RD_TIMEOUT = 512;
parameter CCIP_SYNC_RESET_POLARITY=1; // Active High Reset
// Base types
//----------------------------------------------------------------------
typedef logic [CCIP_CLADDR_WIDTH-1:0] t_ccip_clAddr;
typedef logic [CCIP_CLDATA_WIDTH-1:0] t_ccip_clData;
typedef logic [CCIP_MMIOADDR_WIDTH-1:0] t_ccip_mmioAddr;
typedef logic [CCIP_MMIODATA_WIDTH-1:0] t_ccip_mmioData;
typedef logic [CCIP_TID_WIDTH-1:0] t_ccip_tid;
typedef logic [CCIP_MDATA_WIDTH-1:0] t_ccip_mdata;
typedef logic [1:0] t_ccip_clNum;
typedef logic [2:0] t_ccip_qwIdx;
// Request Type Encodings
//----------------------------------------------------------------------
// Channel 0
typedef enum logic [3:0] {
eREQ_RDLINE_I = 4'h0, // Memory Read with FPGA Cache Hint=Invalid
eREQ_RDLINE_S = 4'h1 // Memory Read with FPGA Cache Hint=Shared
} t_ccip_c0_req;
// Channel 1
typedef enum logic [3:0] {
eREQ_WRLINE_I = 4'h0, // Memory Write with FPGA Cache Hint=Invalid
eREQ_WRLINE_M = 4'h1, // Memory Write with FPGA Cache Hint=Modified
eREQ_WRPUSH_I = 4'h2, // Memory Write with DDIO Hint ** NOT SUPPORTED CURRENTLY **
eREQ_WRFENCE = 4'h4, // Memory Write Fence
// eREQ_ATOMIC = 4'h5, // Atomic operation: Compare-Exchange for Memory Addr ** NOT SUPPORTED CURRENTELY **
eREQ_INTR = 4'h6 // Interrupt the CPU ** NOT SUPPORTED CURRENTLY **
} t_ccip_c1_req;
// Response Type Encodings
//----------------------------------------------------------------------
// Channel 0
typedef enum logic [3:0] {
eRSP_RDLINE = 4'h0, // Memory Read
eRSP_UMSG = 4'h4 // UMsg received
// eRSP_ATOMIC = 4'h5 // Atomic Operation: Compare-Exchange for Memory Addr
} t_ccip_c0_rsp;
// Channel 1
typedef enum logic [3:0] {
eRSP_WRLINE = 4'h0, // Memory Write
eRSP_WRFENCE = 4'h4, // Memory Write Fence
eRSP_INTR = 4'h6 // Interrupt delivered to the CPU ** NOT SUPPORTED CURRENTLY **
} t_ccip_c1_rsp;
//
// Virtual Channel Select
//----------------------------------------------------------------------
typedef enum logic [1:0] {
eVC_VA = 2'b00,
eVC_VL0 = 2'b01,
eVC_VH0 = 2'b10,
eVC_VH1 = 2'b11
} t_ccip_vc;
// Multi-CL Memory Request
//----------------------------------------------------------------------
typedef enum logic [1:0] {
eCL_LEN_1 = 2'b00,
eCL_LEN_2 = 2'b01,
eCL_LEN_4 = 2'b11
} t_ccip_clLen;
//
// Structures for Request and Response headers
//----------------------------------------------------------------------
typedef struct packed {
t_ccip_vc vc_sel;
logic [1:0] rsvd1; // reserved, drive 0
t_ccip_clLen cl_len;
t_ccip_c0_req req_type;
logic [5:0] rsvd0; // reserved, drive 0
t_ccip_clAddr address;
t_ccip_mdata mdata;
} t_ccip_c0_ReqMemHdr;
parameter CCIP_C0TX_HDR_WIDTH = $bits(t_ccip_c0_ReqMemHdr);
typedef struct packed {
logic [5:0] rsvd2;
t_ccip_vc vc_sel;
logic sop;
logic rsvd1; // reserved, drive 0
t_ccip_clLen cl_len;
t_ccip_c1_req req_type;
logic [5:0] rsvd0; // reserved, drive 0
t_ccip_clAddr address;
t_ccip_mdata mdata;
} t_ccip_c1_ReqMemHdr;
parameter CCIP_C1TX_HDR_WIDTH = $bits(t_ccip_c1_ReqMemHdr);
typedef struct packed {
logic [5:0] rsvd2; // reserved, drive 0
t_ccip_vc vc_sel;
logic [3:0] rsvd1; // reserved, drive 0
t_ccip_c1_req req_type;
logic [47:0] rsvd0; // reserved, drive 0
t_ccip_mdata mdata;
}t_ccip_c1_ReqFenceHdr;
typedef struct packed {
t_ccip_vc vc_used;
logic rsvd1; // reserved, don't care
logic hit_miss;
logic [1:0] rsvd0; // reserved, don't care
t_ccip_clNum cl_num;
t_ccip_c0_rsp resp_type;
t_ccip_mdata mdata;
} t_ccip_c0_RspMemHdr;
parameter CCIP_C0RX_HDR_WIDTH = $bits(t_ccip_c0_RspMemHdr);
typedef struct packed {
t_ccip_vc vc_used;
logic rsvd1; // reserved, don't care
logic hit_miss;
logic format;
logic rsvd0; // reserved, don't care
t_ccip_clNum cl_num;
t_ccip_c1_rsp resp_type;
t_ccip_mdata mdata;
} t_ccip_c1_RspMemHdr;
parameter CCIP_C1RX_HDR_WIDTH = $bits(t_ccip_c1_RspMemHdr);
typedef struct packed {
logic [7:0] rsvd0; // reserved, don't care
t_ccip_c1_rsp resp_type;
t_ccip_mdata mdata;
} t_ccip_c1_RspFenceHdr;
// Alternate Channel 0 MMIO request from host :
// MMIO requests arrive on the same channel as read responses, sharing
// t_if_ccip_c0_Rx below. When either mmioRdValid or mmioWrValid is set
// the message is an MMIO request and should be processed by casting
// t_if_ccip_c0_Rx.hdr to t_ccip_c0_ReqMmioHdr.
typedef struct packed {
t_ccip_mmioAddr address; // 4B aligned Mmio address
logic [1:0] length; // 2'b00- 4B, 2'b01- 8B, 2'b10- 64B
logic rsvd; // reserved, don't care
t_ccip_tid tid;
} t_ccip_c0_ReqMmioHdr;
typedef struct packed {
t_ccip_tid tid; // Returned back from ReqMmioHdr
} t_ccip_c2_RspMmioHdr;
parameter CCIP_C2TX_HDR_WIDTH = $bits(t_ccip_c2_RspMmioHdr);
//------------------------------------------------------------------------
// CCI-P Input & Output bus structures
//
// Users are encouraged to use these for AFU development
//------------------------------------------------------------------------
// Channel 0 : Memory Reads
typedef struct packed {
t_ccip_c0_ReqMemHdr hdr; // Request Header
logic valid; // Request Valid
} t_if_ccip_c0_Tx;
// Channel 1 : Memory Writes, Interrupts, CmpXchg
typedef struct packed {
t_ccip_c1_ReqMemHdr hdr; // Request Header
t_ccip_clData data; // Request Data
logic valid; // Request Wr Valid
} t_if_ccip_c1_Tx;
// Channel 2 : MMIO Read response
typedef struct packed {
t_ccip_c2_RspMmioHdr hdr; // Response Header
logic mmioRdValid; // Response Read Valid
t_ccip_mmioData data; // Response Data
} t_if_ccip_c2_Tx;
// Wrap all Tx channels
typedef struct packed {
t_if_ccip_c0_Tx c0;
t_if_ccip_c1_Tx c1;
t_if_ccip_c2_Tx c2;
} t_if_ccip_Tx;
// Channel 0: Memory Read response, MMIO Request
typedef struct packed {
t_ccip_c0_RspMemHdr hdr; // Rd Response/ MMIO req Header
t_ccip_clData data; // Rd Data / MMIO req Data
// Only one of valid, mmioRdValid and mmioWrValid may be set
// in a cycle. When either mmioRdValid or mmioWrValid are true
// the hdr must be processed specially. See t_ccip_c0_ReqMmioHdr
// above.
logic rspValid; // Rd Response Valid
logic mmioRdValid; // MMIO Read Valid
logic mmioWrValid; // MMIO Write Valid
} t_if_ccip_c0_Rx;
// Channel 1: Memory Writes
typedef struct packed {
t_ccip_c1_RspMemHdr hdr; // Response Header
logic rspValid; // Response Valid
} t_if_ccip_c1_Rx;
// Wrap all channels
typedef struct packed {
logic c0TxAlmFull; // C0 Request Channel Almost Full
logic c1TxAlmFull; // C1 Request Channel Almost Full
t_if_ccip_c0_Rx c0;
t_if_ccip_c1_Rx c1;
} t_if_ccip_Rx;
endpackage

61
hw/opae/ccip/local_mem_cfg_pkg.sv Normal file
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@@ -0,0 +1,61 @@
//
// Copyright (c) 2017, Intel Corporation
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// Neither the name of the Intel Corporation nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//`include "platform_afu_top_config.vh"
`ifdef PLATFORM_PROVIDES_LOCAL_MEMORY
package local_mem_cfg_pkg;
parameter LOCAL_MEM_VERSION_NUMBER = 1;
parameter LOCAL_MEM_ADDR_WIDTH = `PLATFORM_PARAM_LOCAL_MEMORY_ADDR_WIDTH;
parameter LOCAL_MEM_DATA_WIDTH = `PLATFORM_PARAM_LOCAL_MEMORY_DATA_WIDTH;
parameter LOCAL_MEM_BURST_CNT_WIDTH = `PLATFORM_PARAM_LOCAL_MEMORY_BURST_CNT_WIDTH;
// Number of bytes in a data line
parameter LOCAL_MEM_DATA_N_BYTES = LOCAL_MEM_DATA_WIDTH / 8;
// Base types
// --------------------------------------------------------------------
typedef logic [LOCAL_MEM_ADDR_WIDTH-1:0] t_local_mem_addr;
typedef logic [LOCAL_MEM_DATA_WIDTH-1:0] t_local_mem_data;
typedef logic [LOCAL_MEM_BURST_CNT_WIDTH-1:0] t_local_mem_burst_cnt;
// Byte-level mask of a data line
typedef logic [LOCAL_MEM_DATA_N_BYTES-1:0] t_local_mem_byte_mask;
endpackage // local_mem_cfg_pkg
`endif // PLATFORM_PROVIDES_LOCAL_MEMORY

2
hw/rtl/VX_dram_arb.v
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@@ -1,4 +1,4 @@
`include "VX_cache_config.vh"
`include "VX_define.vh"
module VX_dram_arb #(
parameter BANK_LINE_SIZE = 1,

1
hw/rtl/Vortex.v
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@@ -1,5 +1,4 @@
`include "VX_define.vh"
`include "VX_cache_config.vh"
module Vortex #(
parameter CORE_ID = 0

1
hw/rtl/Vortex_Cluster.v
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@@ -1,5 +1,4 @@
`include "VX_define.vh"
`include "VX_cache_config.vh"
module Vortex_Cluster #(
parameter CLUSTER_ID = 0

1
hw/rtl/Vortex_Socket.v
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@@ -1,5 +1,4 @@
`include "VX_define.vh"
`include "VX_cache_config.vh"
module Vortex_Socket (
// Clock

2
hw/rtl/libs/VX_generic_queue.v
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@@ -132,7 +132,7 @@ module VX_generic_queue #(
wr_ptr_r <= wr_ptr_r + 1;
if (!reading) begin
empty_r <= 0;
if (size_r == SIZE-1) begin
if (size_r == $bits(size_r)'(SIZE-1)) begin
full_r <= 1;
end
size_r <= size_r + 1;

89
hw/simulate/Makefile Normal file
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@@ -0,0 +1,89 @@
#MULTICORE += -DNUM_CLUSTERS=2 -DNUM_CORES=4
#MULTICORE += -DNUM_CLUSTERS=1 -DNUM_CORES=4
MULTICORE += -DNUM_CLUSTERS=1 -DNUM_CORES=2
# control RTL debug print states
DBG_PRINT_FLAGS = -DDBG_PRINT_CORE_ICACHE \
-DDBG_PRINT_CORE_DCACHE \
-DDBG_PRINT_CACHE_BANK \
-DDBG_PRINT_CACHE_SNP \
-DDBG_PRINT_CACHE_MSRQ \
-DDBG_PRINT_DRAM \
-DDBG_PRINT_OPAE
#DBG_PRINT=$(DBG_PRINT_FLAGS)
INCLUDE = -I../rtl/ -I../rtl/libs -I../rtl/interfaces -I../rtl/pipe_regs -I../rtl/cache -I../rtl/simulate
SRCS = simulator.cpp testbench.cpp
all: build-s
CF += -std=c++11 -fms-extensions -I../..
VF += --language 1800-2009 --assert -Wall -Wpedantic
VF += -Wno-DECLFILENAME
VF += --x-initial unique
VF += -exe $(SRCS) $(INCLUDE)
DBG += -DVCD_OUTPUT $(DBG_PRINT)
THREADS ?= $(shell python3 -c 'import multiprocessing as mp; print(max(1, mp.cpu_count() // 2))')
gen-s:
verilator $(VF) -DNDEBUG -cc Vortex_Socket.v -CFLAGS '$(CF) -DNDEBUG'
gen-sd:
verilator $(VF) -cc Vortex_Socket.v -CFLAGS '$(CF) -g -O0 $(DBG)' --trace $(DBG)
gen-st:
verilator $(VF) -DNDEBUG -cc Vortex_Socket.v -CFLAGS '$(CF) -DNDEBUG -O2' --threads $(THREADS)
gen-m:
verilator $(VF) -DNDEBUG -cc Vortex_Socket.v $(MULTICORE) -CFLAGS '$(CF) -DNDEBUG $(MULTICORE)'
gen-md:
verilator $(VF) -cc Vortex_Socket.v $(MULTICORE) -CFLAGS '$(CF) -g -O0 $(DBG) $(MULTICORE)' --trace $(DBG)
gen-mt:
verilator $(VF) -DNDEBUG -cc Vortex_Socket.v $(MULTICORE) -CFLAGS '$(CF) -DNDEBUG -O2 $(MULTICORE)' --threads $(THREADS)
build-s: gen-s
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-sd: gen-sd
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-st: gen-st
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-m: gen-m
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-md: gen-md
(cd obj_dir && make -j -f VVortex_Socket.mk)
build-mt: gen-mt
(cd obj_dir && make -j -f VVortex_Socket.mk)
run: run-s
run-s: build-s
(cd obj_dir && ./VVortex_Socket)
run-sd: build-sd
(cd obj_dir && ./VVortex_Socket)
run-st: build-st
(cd obj_dir && ./VVortex_Socket)
run-m: build-m
(cd obj_dir && ./VVortex_Socket)
run-md: build-md
(cd obj_dir && ./VVortex_Socket)
run-mt: build-mt
(cd obj_dir && ./VVortex_Socket)
clean:
rm -rf obj_dir

8
hw/simulate/simulator.cpp
View File

@@ -17,14 +17,6 @@ Simulator::Simulator() {
ram_ = nullptr;
vortex_ = new VVortex_Socket();
// initial values
vortex_->dram_req_ready = 0;
vortex_->dram_rsp_valid = 0;
vortex_->io_req_ready = 0;
vortex_->io_rsp_valid = 0;
vortex_->snp_req_valid = 0;
vortex_->snp_rsp_ready = 0;
#ifdef VCD_OUTPUT
Verilated::traceEverOn(true);
trace_ = new VerilatedVcdC;

2
hw/simulate/simulator.h
View File

@@ -8,7 +8,7 @@
#include <verilated_vcd_c.h>
#endif
#include "VX_config.h"
#include <VX_config.h>
#include "ram.h"
#include <ostream>

4
runtime/Makefile
View File

@@ -1,6 +1,4 @@
.PHONY: build_config
build_config:
../hw/scripts/gen_config.py --outv none --outc ./config.h
all:

3
runtime/fileio/fileio.S
View File

@@ -1,5 +1,4 @@
#include "../config.h"
#include <VX_config.h>
# .section .FileIO

2
runtime/intrinsics/vx_intrinsics.S
View File

@@ -1,4 +1,4 @@
#include "../config.h"
#include <VX_config.h>
.section .text

2
runtime/io/vx_io.S
View File

@@ -1,4 +1,4 @@
#include "../config.h"
#include <VX_config.h>
.type vx_print_str, @function
.global vx_print_str

2
runtime/startup/vx_start.S
View File

@@ -1,4 +1,4 @@
#include "../config.h"
#include <VX_config.h>
.section .init, "ax"
.global _start

2
runtime/tests/simple/Makefile
View File

@@ -4,6 +4,8 @@ COMP = ~/dev/riscv-gnu-toolchain/drops/bin/riscv32-unknown-elf-g++
CC_FLAGS = -march=rv32im -mabi=ilp32 -O3 -Wl,-Bstatic,-T,../../startup/vx_link.ld
CC_FLAGS += -nostartfiles -ffreestanding -fno-rtti -fno-exceptions -Wl,--gc-sections
CC_FLAGS += -I../../../hw
DMP = ~/dev/riscv-gnu-toolchain/drops/bin/riscv32-unknown-elf-objdump
CPY = ~/dev/riscv-gnu-toolchain/drops/bin/riscv32-unknown-elf-objcopy

BIN
runtime/tests/simple/vx_simple_main.elf
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2
runtime/vx_api/vx_api.c
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@@ -1,4 +1,4 @@
#include "../config.h"
#include <VX_config.h>
#include "../intrinsics/vx_intrinsics.h"
#include "vx_api.h"
#include <inttypes.h>

2
simX/simX.cpp
View File

@@ -21,7 +21,7 @@
#include "include/args.h"
#include "include/help.h"
#include "../runtime/config.h"
#include <VX_config.h>
#include <sys/stat.h>