Compare commits
No commits in common. "f9a738ff3f53d2ac6a165e8c6226232055149d25" and "8190fc9684cec488e53f19280141f0002a38758b" have entirely different histories.
f9a738ff3f
...
8190fc9684
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
|
@ -0,0 +1,81 @@
|
||||||
|
|
||||||
|
ARCH=riscv64-unknown-elf
|
||||||
|
GNU_DIR=$(HOME)/riscv/riscv/
|
||||||
|
GNU_BIN=$(GNU_DIR)/bin
|
||||||
|
|
||||||
|
|
||||||
|
CC=$(GNU_BIN)/$(ARCH)-gcc
|
||||||
|
CXX=$(GNU_BIN)/$(ARCH)-g++
|
||||||
|
AS=$(GNU_BIN)/$(ARCH)-as
|
||||||
|
LD=$(GNU_BIN)/$(ARCH)-ld
|
||||||
|
OBJCOPY=$(GNU_BIN)/$(ARCH)-objcopy
|
||||||
|
OBJDUMP=$(GNU_BIN)/$(ARCH)-objdump
|
||||||
|
SIZE=$(GNU_BIN)/$(ARCH)-size
|
||||||
|
AR=$(GNU_BIN)/$(ARCH)-ar
|
||||||
|
RANLIB=$(GNU_BIN)/$(ARCH)-ranlib
|
||||||
|
|
||||||
|
|
||||||
|
CFLAGS+=-ffreestanding
|
||||||
|
CFLAGS+=-fno-pic
|
||||||
|
CFLAGS+=-march=rv32i -mabi=ilp32
|
||||||
|
CFLAGS+= -g
|
||||||
|
|
||||||
|
|
||||||
|
LDFLAGS+=-nostdlib
|
||||||
|
LDFLAGS+=-Wl,-Ttext=0x00000000
|
||||||
|
|
||||||
|
# see: https://github.com/riscv/riscv-gcc/issues/120
|
||||||
|
#LDFLAGS+=-Wl,--no-relax
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
ASFLAGS+=$(CFLAGS)
|
||||||
|
CXXFLAGS+=$(CFLAGS)
|
||||||
|
|
||||||
|
CLEAN_DIRS=$(SUBDIRS:%=clean-%)
|
||||||
|
ALL_DIRS=$(SUBDIRS:%=all-%)
|
||||||
|
|
||||||
|
OBJDUMPFLAGS+=-Mnumeric,no-aliases
|
||||||
|
|
||||||
|
.PHONY: all clean world $(CLEAN_DIRS) $(ALL_DIRS)
|
||||||
|
|
||||||
|
|
||||||
|
%.bin : %
|
||||||
|
$(OBJCOPY) $< -O binary $@
|
||||||
|
|
||||||
|
%.lst : %
|
||||||
|
$(OBJDUMP) $(OBJDUMPFLAGS) -dr --disassemble-all $< > $<.lst
|
||||||
|
|
||||||
|
% : %.o
|
||||||
|
$(LINK.cc) $(LDFLAGS) -o $@ $^ $(LDLIBS)
|
||||||
|
$(SIZE) -x -A $@
|
||||||
|
|
||||||
|
%.s: %.c
|
||||||
|
$(COMPILE.c) -S -o $@ $<
|
||||||
|
|
||||||
|
%.s: %.cc
|
||||||
|
$(COMPILE.cc) -S -o $@ $<
|
||||||
|
|
||||||
|
%.o: %.c
|
||||||
|
$(COMPILE.c) -o $@ $<
|
||||||
|
|
||||||
|
%.o: %.cc
|
||||||
|
$(COMPILE.cc) -o $@ $<
|
||||||
|
|
||||||
|
%.srec: %
|
||||||
|
$(OBJCOPY) $< -O srec $@
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
all:: $(ALL_DIRS)
|
||||||
|
|
||||||
|
clean:: $(CLEAN_DIRS)
|
||||||
|
|
||||||
|
$(ALL_DIRS)::
|
||||||
|
$(MAKE) -C $(@:all-%=%) all
|
||||||
|
|
||||||
|
$(CLEAN_DIRS)::
|
||||||
|
$(MAKE) -C $(@:clean-%=%) clean
|
||||||
|
|
||||||
|
world:: clean all
|
|
@ -0,0 +1,543 @@
|
||||||
|
package vexriscv.demo
|
||||||
|
|
||||||
|
import spinal.core._
|
||||||
|
import spinal.lib._
|
||||||
|
import spinal.lib.bus.amba3.apb._
|
||||||
|
import spinal.lib.bus.misc.SizeMapping
|
||||||
|
import spinal.lib.bus.simple.PipelinedMemoryBus
|
||||||
|
import spinal.lib.com.jtag.Jtag
|
||||||
|
import spinal.lib.com.spi.ddr.SpiXdrMaster
|
||||||
|
import spinal.lib.com.uart._
|
||||||
|
import spinal.lib.io.{InOutWrapper, TriStateArray}
|
||||||
|
import spinal.lib.misc.{InterruptCtrl, Prescaler, Timer}
|
||||||
|
import spinal.lib.soc.pinsec.{PinsecTimerCtrl, PinsecTimerCtrlExternal}
|
||||||
|
import vexriscv.plugin._
|
||||||
|
import vexriscv.{VexRiscv, VexRiscvConfig, plugin}
|
||||||
|
import spinal.lib.com.spi.ddr._
|
||||||
|
import spinal.lib.bus.simple._
|
||||||
|
import scala.collection.mutable.ArrayBuffer
|
||||||
|
import scala.collection.Seq
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Created by PIC32F_USER on 28/07/2017.
|
||||||
|
*
|
||||||
|
* Murax is a very light SoC which could work without any external component.
|
||||||
|
* - ICE40-hx8k + icestorm => 53 Mhz, 2142 LC
|
||||||
|
* - 0.37 DMIPS/Mhz
|
||||||
|
* - 8 kB of on-chip ram
|
||||||
|
* - JTAG debugger (eclipse/GDB/openocd ready)
|
||||||
|
* - Interrupt support
|
||||||
|
* - APB bus for peripherals
|
||||||
|
* - 32 GPIO pin
|
||||||
|
* - one 16 bits prescaler, two 16 bits timers
|
||||||
|
* - one UART with tx/rx fifo
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
case class MuraxConfig(coreFrequency : HertzNumber,
|
||||||
|
onChipRamSize : BigInt,
|
||||||
|
onChipRamHexFile : String,
|
||||||
|
pipelineDBus : Boolean,
|
||||||
|
pipelineMainBus : Boolean,
|
||||||
|
pipelineApbBridge : Boolean,
|
||||||
|
gpioWidth : Int,
|
||||||
|
uartCtrlConfig : UartCtrlMemoryMappedConfig,
|
||||||
|
xipConfig : SpiXdrMasterCtrl.MemoryMappingParameters,
|
||||||
|
hardwareBreakpointCount : Int,
|
||||||
|
cpuPlugins : ArrayBuffer[Plugin[VexRiscv]]){
|
||||||
|
require(pipelineApbBridge || pipelineMainBus, "At least pipelineMainBus or pipelineApbBridge should be enable to avoid wipe transactions")
|
||||||
|
val genXip = xipConfig != null
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
object MuraxConfig{
|
||||||
|
def default : MuraxConfig = default(false, false)
|
||||||
|
def default(withXip : Boolean = false, bigEndian : Boolean = false) = MuraxConfig(
|
||||||
|
coreFrequency = 12 MHz,
|
||||||
|
onChipRamSize = 128 kB,
|
||||||
|
onChipRamHexFile = null,
|
||||||
|
pipelineDBus = true,
|
||||||
|
pipelineMainBus = false,
|
||||||
|
pipelineApbBridge = true,
|
||||||
|
gpioWidth = 32,
|
||||||
|
xipConfig = ifGen(withXip) (SpiXdrMasterCtrl.MemoryMappingParameters(
|
||||||
|
SpiXdrMasterCtrl.Parameters(8, 12, SpiXdrParameter(2, 2, 1)).addFullDuplex(0,1,false),
|
||||||
|
cmdFifoDepth = 32,
|
||||||
|
rspFifoDepth = 32,
|
||||||
|
xip = SpiXdrMasterCtrl.XipBusParameters(addressWidth = 24, lengthWidth = 2)
|
||||||
|
)),
|
||||||
|
hardwareBreakpointCount = if(withXip) 3 else 0,
|
||||||
|
cpuPlugins = ArrayBuffer( //DebugPlugin added by the toplevel
|
||||||
|
new IBusSimplePlugin(
|
||||||
|
resetVector = if(withXip) 0xF001E000l else 0x00000000l,
|
||||||
|
cmdForkOnSecondStage = true,
|
||||||
|
cmdForkPersistence = withXip, //Required by the Xip controller
|
||||||
|
prediction = NONE,
|
||||||
|
catchAccessFault = false,
|
||||||
|
compressedGen = false,
|
||||||
|
bigEndian = bigEndian
|
||||||
|
),
|
||||||
|
new DBusSimplePlugin(
|
||||||
|
catchAddressMisaligned = false,
|
||||||
|
catchAccessFault = false,
|
||||||
|
earlyInjection = false,
|
||||||
|
bigEndian = bigEndian
|
||||||
|
),
|
||||||
|
new CsrPlugin(CsrPluginConfig.smallest(mtvecInit = if(withXip) 0xE0040020l else 0x00000020l)),
|
||||||
|
new DecoderSimplePlugin(
|
||||||
|
catchIllegalInstruction = false
|
||||||
|
),
|
||||||
|
new RegFilePlugin(
|
||||||
|
regFileReadyKind = plugin.SYNC,
|
||||||
|
zeroBoot = false
|
||||||
|
),
|
||||||
|
new IntAluPlugin,
|
||||||
|
new SrcPlugin(
|
||||||
|
separatedAddSub = false,
|
||||||
|
executeInsertion = false
|
||||||
|
),
|
||||||
|
new LightShifterPlugin,
|
||||||
|
new HazardSimplePlugin(
|
||||||
|
bypassExecute = false,
|
||||||
|
bypassMemory = false,
|
||||||
|
bypassWriteBack = false,
|
||||||
|
bypassWriteBackBuffer = false,
|
||||||
|
pessimisticUseSrc = false,
|
||||||
|
pessimisticWriteRegFile = false,
|
||||||
|
pessimisticAddressMatch = false
|
||||||
|
),
|
||||||
|
new BranchPlugin(
|
||||||
|
earlyBranch = false,
|
||||||
|
catchAddressMisaligned = false
|
||||||
|
),
|
||||||
|
new YamlPlugin("cpu0.yaml")
|
||||||
|
),
|
||||||
|
uartCtrlConfig = UartCtrlMemoryMappedConfig(
|
||||||
|
uartCtrlConfig = UartCtrlGenerics(
|
||||||
|
dataWidthMax = 8,
|
||||||
|
clockDividerWidth = 20,
|
||||||
|
preSamplingSize = 1,
|
||||||
|
samplingSize = 3,
|
||||||
|
postSamplingSize = 1
|
||||||
|
),
|
||||||
|
initConfig = UartCtrlInitConfig(
|
||||||
|
baudrate = 115200,
|
||||||
|
dataLength = 7, //7 => 8 bits
|
||||||
|
parity = UartParityType.NONE,
|
||||||
|
stop = UartStopType.ONE
|
||||||
|
),
|
||||||
|
busCanWriteClockDividerConfig = false,
|
||||||
|
busCanWriteFrameConfig = false,
|
||||||
|
txFifoDepth = 16,
|
||||||
|
rxFifoDepth = 16
|
||||||
|
)
|
||||||
|
|
||||||
|
)
|
||||||
|
|
||||||
|
def fast = {
|
||||||
|
val config = default
|
||||||
|
|
||||||
|
//Replace HazardSimplePlugin to get datapath bypass
|
||||||
|
config.cpuPlugins(config.cpuPlugins.indexWhere(_.isInstanceOf[HazardSimplePlugin])) = new HazardSimplePlugin(
|
||||||
|
bypassExecute = true,
|
||||||
|
bypassMemory = true,
|
||||||
|
bypassWriteBack = true,
|
||||||
|
bypassWriteBackBuffer = true
|
||||||
|
)
|
||||||
|
// config.cpuPlugins(config.cpuPlugins.indexWhere(_.isInstanceOf[LightShifterPlugin])) = new FullBarrelShifterPlugin()
|
||||||
|
|
||||||
|
config
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
case class Murax(config : MuraxConfig) extends Component{
|
||||||
|
import config._
|
||||||
|
|
||||||
|
val io = new Bundle {
|
||||||
|
//Clocks / reset
|
||||||
|
val asyncReset = in Bool()
|
||||||
|
val mainClk = in Bool()
|
||||||
|
|
||||||
|
//Main components IO
|
||||||
|
val jtag = slave(Jtag())
|
||||||
|
|
||||||
|
//Peripherals IO
|
||||||
|
val gpioA = master(TriStateArray(gpioWidth bits))
|
||||||
|
val uart = master(Uart())
|
||||||
|
|
||||||
|
val xip = ifGen(genXip)(master(SpiXdrMaster(xipConfig.ctrl.spi)))
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
val resetCtrlClockDomain = ClockDomain(
|
||||||
|
clock = io.mainClk,
|
||||||
|
config = ClockDomainConfig(
|
||||||
|
resetKind = BOOT
|
||||||
|
)
|
||||||
|
)
|
||||||
|
|
||||||
|
val resetCtrl = new ClockingArea(resetCtrlClockDomain) {
|
||||||
|
val mainClkResetUnbuffered = False
|
||||||
|
|
||||||
|
//Implement an counter to keep the reset axiResetOrder high 64 cycles
|
||||||
|
// Also this counter will automatically do a reset when the system boot.
|
||||||
|
val systemClkResetCounter = Reg(UInt(6 bits)) init(0)
|
||||||
|
when(systemClkResetCounter =/= U(systemClkResetCounter.range -> true)){
|
||||||
|
systemClkResetCounter := systemClkResetCounter + 1
|
||||||
|
mainClkResetUnbuffered := True
|
||||||
|
}
|
||||||
|
when(BufferCC(io.asyncReset)){
|
||||||
|
systemClkResetCounter := 0
|
||||||
|
}
|
||||||
|
|
||||||
|
//Create all reset used later in the design
|
||||||
|
val mainClkReset = RegNext(mainClkResetUnbuffered)
|
||||||
|
val systemReset = RegNext(mainClkResetUnbuffered)
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
val systemClockDomain = ClockDomain(
|
||||||
|
clock = io.mainClk,
|
||||||
|
reset = resetCtrl.systemReset,
|
||||||
|
frequency = FixedFrequency(coreFrequency)
|
||||||
|
)
|
||||||
|
|
||||||
|
val debugClockDomain = ClockDomain(
|
||||||
|
clock = io.mainClk,
|
||||||
|
reset = resetCtrl.mainClkReset,
|
||||||
|
frequency = FixedFrequency(coreFrequency)
|
||||||
|
)
|
||||||
|
|
||||||
|
val system = new ClockingArea(systemClockDomain) {
|
||||||
|
val pipelinedMemoryBusConfig = PipelinedMemoryBusConfig(
|
||||||
|
addressWidth = 32,
|
||||||
|
dataWidth = 32
|
||||||
|
)
|
||||||
|
|
||||||
|
val bigEndianDBus = config.cpuPlugins.exists(_ match{ case plugin : DBusSimplePlugin => plugin.bigEndian case _ => false})
|
||||||
|
|
||||||
|
//Arbiter of the cpu dBus/iBus to drive the mainBus
|
||||||
|
//Priority to dBus, !! cmd transactions can change on the fly !!
|
||||||
|
val mainBusArbiter = new MuraxMasterArbiter(pipelinedMemoryBusConfig, bigEndianDBus)
|
||||||
|
|
||||||
|
//Instanciate the CPU
|
||||||
|
val cpu = new VexRiscv(
|
||||||
|
config = VexRiscvConfig(
|
||||||
|
plugins = cpuPlugins += new DebugPlugin(debugClockDomain, hardwareBreakpointCount)
|
||||||
|
)
|
||||||
|
)
|
||||||
|
|
||||||
|
//Checkout plugins used to instanciate the CPU to connect them to the SoC
|
||||||
|
val timerInterrupt = False
|
||||||
|
val externalInterrupt = False
|
||||||
|
for(plugin <- cpu.plugins) plugin match{
|
||||||
|
case plugin : IBusSimplePlugin =>
|
||||||
|
mainBusArbiter.io.iBus.cmd <> plugin.iBus.cmd
|
||||||
|
mainBusArbiter.io.iBus.rsp <> plugin.iBus.rsp
|
||||||
|
case plugin : DBusSimplePlugin => {
|
||||||
|
if(!pipelineDBus)
|
||||||
|
mainBusArbiter.io.dBus <> plugin.dBus
|
||||||
|
else {
|
||||||
|
mainBusArbiter.io.dBus.cmd << plugin.dBus.cmd.halfPipe()
|
||||||
|
mainBusArbiter.io.dBus.rsp <> plugin.dBus.rsp
|
||||||
|
}
|
||||||
|
}
|
||||||
|
case plugin : CsrPlugin => {
|
||||||
|
plugin.externalInterrupt := externalInterrupt
|
||||||
|
plugin.timerInterrupt := timerInterrupt
|
||||||
|
}
|
||||||
|
case plugin : DebugPlugin => plugin.debugClockDomain{
|
||||||
|
resetCtrl.systemReset setWhen(RegNext(plugin.io.resetOut))
|
||||||
|
io.jtag <> plugin.io.bus.fromJtag()
|
||||||
|
}
|
||||||
|
case _ =>
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
//****** MainBus slaves ********
|
||||||
|
val mainBusMapping = ArrayBuffer[(PipelinedMemoryBus,SizeMapping)]()
|
||||||
|
val ram = new MuraxPipelinedMemoryBusRam(
|
||||||
|
onChipRamSize = onChipRamSize,
|
||||||
|
onChipRamHexFile = onChipRamHexFile,
|
||||||
|
pipelinedMemoryBusConfig = pipelinedMemoryBusConfig,
|
||||||
|
bigEndian = bigEndianDBus
|
||||||
|
)
|
||||||
|
mainBusMapping += ram.io.bus -> (0x00000000l, onChipRamSize)
|
||||||
|
|
||||||
|
val apbBridge = new PipelinedMemoryBusToApbBridge(
|
||||||
|
apb3Config = Apb3Config(
|
||||||
|
addressWidth = 20,
|
||||||
|
dataWidth = 32
|
||||||
|
),
|
||||||
|
pipelineBridge = pipelineApbBridge,
|
||||||
|
pipelinedMemoryBusConfig = pipelinedMemoryBusConfig
|
||||||
|
)
|
||||||
|
mainBusMapping += apbBridge.io.pipelinedMemoryBus -> (0xF0000000l, 1 MB)
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
//******** APB peripherals *********
|
||||||
|
val apbMapping = ArrayBuffer[(Apb3, SizeMapping)]()
|
||||||
|
val gpioACtrl = Apb3Gpio(gpioWidth = gpioWidth, withReadSync = true)
|
||||||
|
io.gpioA <> gpioACtrl.io.gpio
|
||||||
|
apbMapping += gpioACtrl.io.apb -> (0x00000, 4 kB)
|
||||||
|
|
||||||
|
val uartCtrl = Apb3UartCtrl(uartCtrlConfig)
|
||||||
|
uartCtrl.io.uart <> io.uart
|
||||||
|
externalInterrupt setWhen(uartCtrl.io.interrupt)
|
||||||
|
apbMapping += uartCtrl.io.apb -> (0x10000, 4 kB)
|
||||||
|
|
||||||
|
val timer = new MuraxApb3Timer()
|
||||||
|
timerInterrupt setWhen(timer.io.interrupt)
|
||||||
|
apbMapping += timer.io.apb -> (0x20000, 4 kB)
|
||||||
|
|
||||||
|
val xip = ifGen(genXip)(new Area{
|
||||||
|
val ctrl = Apb3SpiXdrMasterCtrl(xipConfig)
|
||||||
|
ctrl.io.spi <> io.xip
|
||||||
|
externalInterrupt setWhen(ctrl.io.interrupt)
|
||||||
|
apbMapping += ctrl.io.apb -> (0x1F000, 4 kB)
|
||||||
|
|
||||||
|
val accessBus = new PipelinedMemoryBus(PipelinedMemoryBusConfig(24,32))
|
||||||
|
mainBusMapping += accessBus -> (0xE0000000l, 16 MB)
|
||||||
|
|
||||||
|
ctrl.io.xip.fromPipelinedMemoryBus() << accessBus
|
||||||
|
val bootloader = Apb3Rom("src/main/c/murax/xipBootloader/crt.bin")
|
||||||
|
apbMapping += bootloader.io.apb -> (0x1E000, 4 kB)
|
||||||
|
})
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
//******** Memory mappings *********
|
||||||
|
val apbDecoder = Apb3Decoder(
|
||||||
|
master = apbBridge.io.apb,
|
||||||
|
slaves = apbMapping.toSeq
|
||||||
|
)
|
||||||
|
|
||||||
|
val mainBusDecoder = new Area {
|
||||||
|
val logic = new MuraxPipelinedMemoryBusDecoder(
|
||||||
|
master = mainBusArbiter.io.masterBus,
|
||||||
|
specification = mainBusMapping.toSeq,
|
||||||
|
pipelineMaster = pipelineMainBus
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
object Murax{
|
||||||
|
def main(args: Array[String]) {
|
||||||
|
SpinalVerilog(Murax(MuraxConfig.default))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
object MuraxCfu{
|
||||||
|
def main(args: Array[String]) {
|
||||||
|
SpinalVerilog{
|
||||||
|
val config = MuraxConfig.default
|
||||||
|
config.cpuPlugins += new CfuPlugin(
|
||||||
|
stageCount = 1,
|
||||||
|
allowZeroLatency = true,
|
||||||
|
encodings = List(
|
||||||
|
CfuPluginEncoding (
|
||||||
|
instruction = M"-------------------------0001011",
|
||||||
|
functionId = List(14 downto 12),
|
||||||
|
input2Kind = CfuPlugin.Input2Kind.RS
|
||||||
|
)
|
||||||
|
),
|
||||||
|
busParameter = CfuBusParameter(
|
||||||
|
CFU_VERSION = 0,
|
||||||
|
CFU_INTERFACE_ID_W = 0,
|
||||||
|
CFU_FUNCTION_ID_W = 3,
|
||||||
|
CFU_REORDER_ID_W = 0,
|
||||||
|
CFU_REQ_RESP_ID_W = 0,
|
||||||
|
CFU_INPUTS = 2,
|
||||||
|
CFU_INPUT_DATA_W = 32,
|
||||||
|
CFU_OUTPUTS = 1,
|
||||||
|
CFU_OUTPUT_DATA_W = 32,
|
||||||
|
CFU_FLOW_REQ_READY_ALWAYS = false,
|
||||||
|
CFU_FLOW_RESP_READY_ALWAYS = false,
|
||||||
|
CFU_WITH_STATUS = true,
|
||||||
|
CFU_RAW_INSN_W = 32,
|
||||||
|
CFU_CFU_ID_W = 4,
|
||||||
|
CFU_STATE_INDEX_NUM = 5
|
||||||
|
)
|
||||||
|
)
|
||||||
|
|
||||||
|
val toplevel = Murax(config)
|
||||||
|
|
||||||
|
toplevel.rework {
|
||||||
|
for (plugin <- toplevel.system.cpu.plugins) plugin match {
|
||||||
|
case plugin: CfuPlugin => plugin.bus.toIo().setName("miaou")
|
||||||
|
case _ =>
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
toplevel
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
object Murax_iCE40_hx8k_breakout_board_xip{
|
||||||
|
|
||||||
|
case class SB_GB() extends BlackBox{
|
||||||
|
val USER_SIGNAL_TO_GLOBAL_BUFFER = in Bool()
|
||||||
|
val GLOBAL_BUFFER_OUTPUT = out Bool()
|
||||||
|
}
|
||||||
|
|
||||||
|
case class SB_IO_SCLK() extends BlackBox{
|
||||||
|
addGeneric("PIN_TYPE", B"010000")
|
||||||
|
val PACKAGE_PIN = out Bool()
|
||||||
|
val OUTPUT_CLK = in Bool()
|
||||||
|
val CLOCK_ENABLE = in Bool()
|
||||||
|
val D_OUT_0 = in Bool()
|
||||||
|
val D_OUT_1 = in Bool()
|
||||||
|
setDefinitionName("SB_IO")
|
||||||
|
}
|
||||||
|
|
||||||
|
case class SB_IO_DATA() extends BlackBox{
|
||||||
|
addGeneric("PIN_TYPE", B"110000")
|
||||||
|
val PACKAGE_PIN = inout(Analog(Bool))
|
||||||
|
val CLOCK_ENABLE = in Bool()
|
||||||
|
val INPUT_CLK = in Bool()
|
||||||
|
val OUTPUT_CLK = in Bool()
|
||||||
|
val OUTPUT_ENABLE = in Bool()
|
||||||
|
val D_OUT_0 = in Bool()
|
||||||
|
val D_OUT_1 = in Bool()
|
||||||
|
val D_IN_0 = out Bool()
|
||||||
|
val D_IN_1 = out Bool()
|
||||||
|
setDefinitionName("SB_IO")
|
||||||
|
}
|
||||||
|
|
||||||
|
case class Murax_iCE40_hx8k_breakout_board_xip() extends Component{
|
||||||
|
val io = new Bundle {
|
||||||
|
val mainClk = in Bool()
|
||||||
|
val jtag_tck = in Bool()
|
||||||
|
val jtag_tdi = in Bool()
|
||||||
|
val jtag_tdo = out Bool()
|
||||||
|
val jtag_tms = in Bool()
|
||||||
|
val uart_txd = out Bool()
|
||||||
|
val uart_rxd = in Bool()
|
||||||
|
|
||||||
|
val mosi = inout(Analog(Bool))
|
||||||
|
val miso = inout(Analog(Bool))
|
||||||
|
val sclk = out Bool()
|
||||||
|
val spis = out Bool()
|
||||||
|
|
||||||
|
val led = out Bits(8 bits)
|
||||||
|
}
|
||||||
|
val murax = Murax(MuraxConfig.default(withXip = true).copy(onChipRamSize = 8 kB))
|
||||||
|
murax.io.asyncReset := False
|
||||||
|
|
||||||
|
val mainClkBuffer = SB_GB()
|
||||||
|
mainClkBuffer.USER_SIGNAL_TO_GLOBAL_BUFFER <> io.mainClk
|
||||||
|
mainClkBuffer.GLOBAL_BUFFER_OUTPUT <> murax.io.mainClk
|
||||||
|
|
||||||
|
val jtagClkBuffer = SB_GB()
|
||||||
|
jtagClkBuffer.USER_SIGNAL_TO_GLOBAL_BUFFER <> io.jtag_tck
|
||||||
|
jtagClkBuffer.GLOBAL_BUFFER_OUTPUT <> murax.io.jtag.tck
|
||||||
|
|
||||||
|
io.led <> murax.io.gpioA.write(7 downto 0)
|
||||||
|
|
||||||
|
murax.io.jtag.tdi <> io.jtag_tdi
|
||||||
|
murax.io.jtag.tdo <> io.jtag_tdo
|
||||||
|
murax.io.jtag.tms <> io.jtag_tms
|
||||||
|
murax.io.gpioA.read <> 0
|
||||||
|
murax.io.uart.txd <> io.uart_txd
|
||||||
|
murax.io.uart.rxd <> io.uart_rxd
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
val xip = new ClockingArea(murax.systemClockDomain) {
|
||||||
|
RegNext(murax.io.xip.ss.asBool) <> io.spis
|
||||||
|
|
||||||
|
val sclkIo = SB_IO_SCLK()
|
||||||
|
sclkIo.PACKAGE_PIN <> io.sclk
|
||||||
|
sclkIo.CLOCK_ENABLE := True
|
||||||
|
|
||||||
|
sclkIo.OUTPUT_CLK := ClockDomain.current.readClockWire
|
||||||
|
sclkIo.D_OUT_0 <> murax.io.xip.sclk.write(0)
|
||||||
|
sclkIo.D_OUT_1 <> RegNext(murax.io.xip.sclk.write(1))
|
||||||
|
|
||||||
|
val datas = for ((data, pin) <- (murax.io.xip.data, List(io.mosi, io.miso)).zipped) yield new Area {
|
||||||
|
val dataIo = SB_IO_DATA()
|
||||||
|
dataIo.PACKAGE_PIN := pin
|
||||||
|
dataIo.CLOCK_ENABLE := True
|
||||||
|
|
||||||
|
dataIo.OUTPUT_CLK := ClockDomain.current.readClockWire
|
||||||
|
dataIo.OUTPUT_ENABLE <> data.writeEnable
|
||||||
|
dataIo.D_OUT_0 <> data.write(0)
|
||||||
|
dataIo.D_OUT_1 <> RegNext(data.write(1))
|
||||||
|
|
||||||
|
dataIo.INPUT_CLK := ClockDomain.current.readClockWire
|
||||||
|
data.read(0) := dataIo.D_IN_0
|
||||||
|
data.read(1) := RegNext(dataIo.D_IN_1)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
def main(args: Array[String]) {
|
||||||
|
SpinalVerilog(Murax_iCE40_hx8k_breakout_board_xip())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
object MuraxDhrystoneReady{
|
||||||
|
def main(args: Array[String]) {
|
||||||
|
SpinalVerilog(Murax(MuraxConfig.fast.copy(onChipRamSize = 256 kB)))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
object MuraxDhrystoneReadyMulDivStatic{
|
||||||
|
def main(args: Array[String]) {
|
||||||
|
SpinalVerilog({
|
||||||
|
val config = MuraxConfig.fast.copy(onChipRamSize = 256 kB)
|
||||||
|
config.cpuPlugins += new MulPlugin
|
||||||
|
config.cpuPlugins += new DivPlugin
|
||||||
|
config.cpuPlugins.remove(config.cpuPlugins.indexWhere(_.isInstanceOf[BranchPlugin]))
|
||||||
|
config.cpuPlugins +=new BranchPlugin(
|
||||||
|
earlyBranch = false,
|
||||||
|
catchAddressMisaligned = false
|
||||||
|
)
|
||||||
|
config.cpuPlugins += new IBusSimplePlugin(
|
||||||
|
resetVector = 0x00000000l,
|
||||||
|
cmdForkOnSecondStage = true,
|
||||||
|
cmdForkPersistence = false,
|
||||||
|
prediction = STATIC,
|
||||||
|
catchAccessFault = false,
|
||||||
|
compressedGen = false
|
||||||
|
)
|
||||||
|
config.cpuPlugins.remove(config.cpuPlugins.indexWhere(_.isInstanceOf[LightShifterPlugin]))
|
||||||
|
config.cpuPlugins += new FullBarrelShifterPlugin
|
||||||
|
Murax(config)
|
||||||
|
})
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//Will blink led and echo UART RX to UART TX (in the verilator sim, type some text and press enter to send UART frame to the Murax RX pin)
|
||||||
|
object MuraxWithRamInit{
|
||||||
|
def main(args: Array[String]) {
|
||||||
|
SpinalVerilog(Murax(MuraxConfig.default.copy(onChipRamSize = 4 kB, onChipRamHexFile = "src/main/ressource/hex/muraxDemo.hex")))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
object Murax_arty{
|
||||||
|
def main(args: Array[String]) {
|
||||||
|
val hex = "src/main/c/murax/hello_world/build/hello_world.hex"
|
||||||
|
SpinalVerilog(Murax(MuraxConfig.default(false).copy(coreFrequency = 100 MHz,onChipRamSize = 32 kB, onChipRamHexFile = hex)))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
object MuraxAsicBlackBox extends App{
|
||||||
|
println("Warning this soc do not has any rom to boot on.")
|
||||||
|
val config = SpinalConfig()
|
||||||
|
config.addStandardMemBlackboxing(blackboxAll)
|
||||||
|
config.generateVerilog(Murax(MuraxConfig.default()))
|
||||||
|
}
|
||||||
|
|
|
@ -0,0 +1,42 @@
|
||||||
|
.text
|
||||||
|
.global _start
|
||||||
|
.type _start, @function
|
||||||
|
|
||||||
|
_start:
|
||||||
|
# Initialize global pointer
|
||||||
|
.option push
|
||||||
|
.option norelax
|
||||||
|
la gp, __global_pointer$
|
||||||
|
.option pop
|
||||||
|
|
||||||
|
li sp, 0x1fff0
|
||||||
|
|
||||||
|
# Clear the bss segment
|
||||||
|
la a0, __bss_start
|
||||||
|
la a1, __BSS_END__
|
||||||
|
|
||||||
|
clear_bss:
|
||||||
|
bgeu a0, a1, finish_bss
|
||||||
|
sb x0, 0(a0)
|
||||||
|
addi a0, a0, 1
|
||||||
|
beq x0, x0, clear_bss
|
||||||
|
finish_bss:
|
||||||
|
|
||||||
|
nop //!
|
||||||
|
|
||||||
|
call main
|
||||||
|
|
||||||
|
nop //!
|
||||||
|
|
||||||
|
# abort execution here
|
||||||
|
ebreak
|
||||||
|
|
||||||
|
.section .rodata
|
||||||
|
alfabet:
|
||||||
|
.string "abcdefghijklmnopqrstuwxyz"
|
||||||
|
slowo:
|
||||||
|
|
||||||
|
.section .data
|
||||||
|
wynik:
|
||||||
|
.string "mpabi"
|
||||||
|
.space 26 # rezerwuje 26 bajtów dla wyniku, zainicjowane na 0
|
|
@ -0,0 +1,39 @@
|
||||||
|
.text
|
||||||
|
.global _start
|
||||||
|
.type _start, @function
|
||||||
|
|
||||||
|
_start:
|
||||||
|
# Initialize global pointer
|
||||||
|
.option push
|
||||||
|
.option norelax
|
||||||
|
la gp, __global_pointer$
|
||||||
|
.option pop
|
||||||
|
|
||||||
|
# Initialize stack pointer from linker script symbol
|
||||||
|
la sp, __stack_top
|
||||||
|
|
||||||
|
# Clear the BSS segment
|
||||||
|
la a0, __bss_start
|
||||||
|
la a1, __bss_end
|
||||||
|
|
||||||
|
clear_bss:
|
||||||
|
bgeu a0, a1, finish_bss
|
||||||
|
sb x0, 0(a0)
|
||||||
|
addi a0, a0, 1
|
||||||
|
j clear_bss
|
||||||
|
finish_bss:
|
||||||
|
|
||||||
|
call main
|
||||||
|
|
||||||
|
ebreak
|
||||||
|
|
||||||
|
.section .rodata
|
||||||
|
|
||||||
|
alfabet:
|
||||||
|
.string "abcdefghijklmnopqrstuwxyz"
|
||||||
|
slowo:
|
||||||
|
|
||||||
|
.section .data
|
||||||
|
wynik:
|
||||||
|
.string "mpabi"
|
||||||
|
.space 26 # rezerwuje 26 bajtów dla wyniku, zainicjowane na 0
|
|
@ -41,7 +41,15 @@ struct model {
|
||||||
uint32_t len ;
|
uint32_t len ;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
|
//alg
|
||||||
|
// prosta implementacji func. z bibl. std. strok przy uzyciu gpt3.5
|
||||||
|
//
|
||||||
|
|
||||||
#define NULL ((void*) 0)
|
#define NULL ((void*) 0)
|
||||||
|
|
||||||
|
//
|
||||||
|
// Funkcja pomocnicza do sprawdzania, czy znak jest wśród delimiterów
|
||||||
bool is_delim(char c, const char *delims) {
|
bool is_delim(char c, const char *delims) {
|
||||||
while (*delims) {
|
while (*delims) {
|
||||||
if (c == *delims) {
|
if (c == *delims) {
|
||||||
|
@ -52,65 +60,101 @@ bool is_delim(char c, const char *delims) {
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Najprostsza implementacja funkcji strtok
|
||||||
char *simple_strtok(char *str, const char *delims) {
|
char *simple_strtok(char *str, const char *delims) {
|
||||||
static char *static_str =(char *) NULL; // Stores the position in the string
|
char *static_str = (char *) NULL; // Przechowuje wskaźnik do bieżącej pozycji w ciągu
|
||||||
|
|
||||||
if (str !=(char *) NULL) {
|
// Jeśli przekazano nowy ciąg, zaktualizuj static_str
|
||||||
|
if (str == NULL) {
|
||||||
|
return (char *) NULL; // str nie wskazuje na zdanie !!!
|
||||||
|
}
|
||||||
static_str = str;
|
static_str = str;
|
||||||
}
|
|
||||||
|
|
||||||
if (static_str == (char *) NULL) {
|
// " .,mpabi"
|
||||||
return (char *)NULL;
|
// ^
|
||||||
}
|
// Pomiń początkowe delimitery
|
||||||
|
|
||||||
// Skip initial delimiters
|
|
||||||
while (*static_str && is_delim(*static_str, delims)) {
|
while (*static_str && is_delim(*static_str, delims)) {
|
||||||
static_str++;
|
static_str++;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Jeśli doszliśmy do końca ciągu, zwróć NULL
|
||||||
if (*static_str == '\0') {
|
if (*static_str == '\0') {
|
||||||
return (char *)NULL;
|
return (char *) NULL;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Zapisz początek tokenu
|
||||||
char *token_start = static_str;
|
char *token_start = static_str;
|
||||||
|
|
||||||
// Find the end of the token
|
|
||||||
|
//,. mpabi pabi
|
||||||
|
// Znajdź koniec tokenu
|
||||||
while (*static_str && !is_delim(*static_str, delims)) {
|
while (*static_str && !is_delim(*static_str, delims)) {
|
||||||
static_str++;
|
static_str++;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Jeśli znaleziono delimitery, zamień je na '\0' i zaktualizuj static_str
|
||||||
if (*static_str) {
|
if (*static_str) {
|
||||||
*static_str = '\0';
|
*static_str = '\0';
|
||||||
static_str++;
|
static_str++;
|
||||||
} else {
|
|
||||||
static_str = (char *)NULL;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Zwróć początek tokenu
|
||||||
return token_start;
|
return token_start;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
char buf[1000];
|
char buf[1000];
|
||||||
struct model * p = (struct model *) buf; //p[1]
|
struct model * p = (struct model *) buf; //p[1]
|
||||||
|
//
|
||||||
|
|
||||||
|
|
||||||
int alg(char *ptr) {
|
////func alg
|
||||||
|
//in: ptr to date
|
||||||
|
//return: count of words
|
||||||
|
int alg (char * ptr) {
|
||||||
|
|
||||||
const char *delims = " ,.!?:;\n\t";
|
const char *delims = " ,.!?:;\n\t";
|
||||||
|
|
||||||
int pos = 0;
|
int pos = 0;
|
||||||
|
|
||||||
char *token = simple_strtok(ptr, delims);
|
while (char *token = simple_strtok(ptr, delims)) {
|
||||||
while (token != (char *)NULL) {
|
|
||||||
p[pos].ptr = token;
|
p[pos].ptr = token;
|
||||||
p[pos].len = strlen(token);
|
//p[pos].len = strlen(token);
|
||||||
|
p[pos].len = pos;
|
||||||
|
|
||||||
|
token = token + strlen(token) + 1;
|
||||||
++pos;
|
++pos;
|
||||||
token = simple_strtok((char *)NULL, delims); // Set ptr to NULL after the first call to continue tokenizing the same string
|
|
||||||
}
|
}
|
||||||
|
|
||||||
return pos;
|
return pos;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
struct model {
|
||||||
|
char * str;
|
||||||
|
uint32_t len ;
|
||||||
|
} tab [10] ;
|
||||||
|
*/
|
||||||
|
|
||||||
int main() {
|
int main() {
|
||||||
|
// Seccess is often
|
||||||
|
// ^
|
||||||
char *str = " Success is often defined as the ability to reach your goals in life, whatever those goals may be. In some ways, a better word for success might be attainment, accomplishment, or progress. It is not necessarily a destination but a journey that helps develop the skills and resources you need to thrive.";
|
char *str = " Success is often defined as the ability to reach your goals in life, whatever those goals may be. In some ways, a better word for success might be attainment, accomplishment, or progress. It is not necessarily a destination but a journey that helps develop the skills and resources you need to thrive.";
|
||||||
alg(str);
|
|
||||||
|
/*
|
||||||
|
struct model *ptr = (struct model *) alloc(LEN);
|
||||||
|
if (ptr != (struct model *)NULL) {
|
||||||
|
ptr->str = alloc(strlen((char *)str) + 1);
|
||||||
|
if (ptr->str != (char *)NULL) {
|
||||||
|
strcpy (ptr->str, (char *)str);
|
||||||
|
ptr->len = strlen(ptr->str);
|
||||||
|
|
||||||
|
int8_t count = alg(ptr->str);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
*/
|
||||||
|
int w = alg(str);
|
||||||
asm ("nop");
|
asm ("nop");
|
||||||
|
|
||||||
return 1;
|
return 1;
|
||||||
|
|
|
@ -0,0 +1,43 @@
|
||||||
|
MEMORY
|
||||||
|
{
|
||||||
|
RAM (wx) : ORIGIN = 0x0, LENGTH = 128K
|
||||||
|
}
|
||||||
|
|
||||||
|
SECTIONS
|
||||||
|
{
|
||||||
|
.text :
|
||||||
|
{
|
||||||
|
*(.text*)
|
||||||
|
*(.rodata*)
|
||||||
|
} > RAM
|
||||||
|
|
||||||
|
.data :
|
||||||
|
{
|
||||||
|
*(.data*)
|
||||||
|
} > RAM
|
||||||
|
|
||||||
|
.bss :
|
||||||
|
{
|
||||||
|
*(.bss*)
|
||||||
|
*(COMMON)
|
||||||
|
} > RAM
|
||||||
|
|
||||||
|
/* Add stack at the end of RAM */
|
||||||
|
. = ALIGN(4);
|
||||||
|
_end = .;
|
||||||
|
PROVIDE(end = .);
|
||||||
|
|
||||||
|
/* Define stack size and location */
|
||||||
|
_stack_size = 0x4000; /* Example stack size: 16KB */
|
||||||
|
_stack_end = ORIGIN(RAM) + LENGTH(RAM); /* End of RAM */
|
||||||
|
_stack_start = _stack_end - _stack_size; /* Calculate start of the stack */
|
||||||
|
.stack (NOLOAD) :
|
||||||
|
{
|
||||||
|
. = ALIGN(4);
|
||||||
|
. = . + _stack_size;
|
||||||
|
. = ALIGN(4);
|
||||||
|
_sp = .;
|
||||||
|
} > RAM
|
||||||
|
|
||||||
|
PROVIDE(__stack = _sp);
|
||||||
|
}
|
|
@ -0,0 +1,67 @@
|
||||||
|
/* Linker script for a system with 128KB RAM starting at 0x10000 */
|
||||||
|
MEMORY
|
||||||
|
{
|
||||||
|
RAM (wx) : ORIGIN = 0x0000, LENGTH = 128K
|
||||||
|
}
|
||||||
|
|
||||||
|
SECTIONS
|
||||||
|
{
|
||||||
|
/* Place code and readonly data at the beginning of RAM */
|
||||||
|
.text :
|
||||||
|
{
|
||||||
|
*(.text*)
|
||||||
|
*(.rodata*)
|
||||||
|
} > RAM
|
||||||
|
|
||||||
|
/* Place initialized data right after the .text section */
|
||||||
|
.data :
|
||||||
|
{
|
||||||
|
. = ALIGN(4);
|
||||||
|
*(.data*)
|
||||||
|
} > RAM
|
||||||
|
|
||||||
|
/* Uninitialized data (BSS) follows initialized data */
|
||||||
|
.bss :
|
||||||
|
{
|
||||||
|
. = ALIGN(4);
|
||||||
|
__bss_start = .;
|
||||||
|
*(.bss*)
|
||||||
|
*(COMMON)
|
||||||
|
. = ALIGN(4);
|
||||||
|
__bss_end = .;
|
||||||
|
} > RAM
|
||||||
|
|
||||||
|
/* Define heap start right after bss */
|
||||||
|
. = ALIGN(4);
|
||||||
|
__heap_start = .;
|
||||||
|
PROVIDE(heap_start = __heap_start);
|
||||||
|
|
||||||
|
/* Leave space for the heap by not explicitly defining its end */
|
||||||
|
/* The heap grows towards the stack */
|
||||||
|
|
||||||
|
/* Reserve space for the stack at the end of RAM */
|
||||||
|
/* Let's say we want a 16KB stack */
|
||||||
|
. = ALIGN(4);
|
||||||
|
__stack_size = 16K; /* Size of the stack */
|
||||||
|
__stack_top = ORIGIN(RAM) + LENGTH(RAM); /* Top of the stack */
|
||||||
|
__stack_start = __stack_top - __stack_size; /* Start of the stack */
|
||||||
|
.stack (NOLOAD) :
|
||||||
|
{
|
||||||
|
. = __stack_start;
|
||||||
|
. += __stack_size; /* Allocate space for the stack */
|
||||||
|
. = ALIGN(4);
|
||||||
|
} > RAM
|
||||||
|
|
||||||
|
PROVIDE(__stack = __stack_top);
|
||||||
|
PROVIDE(stack_top = __stack_top);
|
||||||
|
PROVIDE(stack_start = __stack_start);
|
||||||
|
|
||||||
|
/* Heap end is dynamically located at the start of the stack */
|
||||||
|
__heap_end = __stack_start;
|
||||||
|
PROVIDE(heap_end = __heap_end);
|
||||||
|
|
||||||
|
/* End of RAM usage */
|
||||||
|
. = ALIGN(4);
|
||||||
|
_end = .;
|
||||||
|
PROVIDE(end = _end);
|
||||||
|
}
|
|
@ -0,0 +1,13 @@
|
||||||
|
MEMORY
|
||||||
|
{
|
||||||
|
RAM (wx) : ORIGIN = 0x10000, LENGTH = 128K
|
||||||
|
}
|
||||||
|
|
||||||
|
SECTIONS
|
||||||
|
{
|
||||||
|
.text : { *(.text*) } > RAM
|
||||||
|
.rodata : { *(.rodata*) } > RAM
|
||||||
|
.data : { *(.data*) } > RAM
|
||||||
|
.bss : { *(.bss*) } > RAM
|
||||||
|
_end = .; /* Definiuje koniec sekcji danych, może być używane do określenia rozmiaru sterty */
|
||||||
|
}
|
Loading…
Reference in New Issue