Compare commits
No commits in common. "dev" and "Denys-2024-05-27" have entirely different histories.
dev
...
Denys-2024
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@ -0,0 +1,16 @@
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{
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"user": "Denys",
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"email": "denys@mpabi.pl",
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"remotes": [
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{
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"name": "r",
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"protocol": "http",
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"domain": "qstack.pl",
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"port": "3000",
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"token_name": "t",
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"token": "dea9ac442c449a245cbdbb6796bccf78f082db7e",
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"group": "1i-2023",
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"project": "strlen-c"
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}
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]
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}
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source gdb/z.py
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source gdb/z.py
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source gdb/z.py
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source gdb/z.py
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load
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exit
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target extended-remote localhost:3333
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file prog
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exit
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target extended-remote localhost:3333
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file prog
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exit
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target extended-remote localhost:3333
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||||
file prog
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file prog
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load
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||||
dashboard -layout registers stack memory variables expressions
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||||
exit
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@ -0,0 +1,81 @@
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ARCH=riscv64-unknown-elf
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GNU_DIR=$(HOME)/riscv/riscv/
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GNU_BIN=$(GNU_DIR)/bin
|
||||
|
||||
|
||||
CC=$(GNU_BIN)/$(ARCH)-gcc
|
||||
CXX=$(GNU_BIN)/$(ARCH)-g++
|
||||
AS=$(GNU_BIN)/$(ARCH)-as
|
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LD=$(GNU_BIN)/$(ARCH)-ld
|
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OBJCOPY=$(GNU_BIN)/$(ARCH)-objcopy
|
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OBJDUMP=$(GNU_BIN)/$(ARCH)-objdump
|
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SIZE=$(GNU_BIN)/$(ARCH)-size
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AR=$(GNU_BIN)/$(ARCH)-ar
|
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RANLIB=$(GNU_BIN)/$(ARCH)-ranlib
|
||||
|
||||
|
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CFLAGS+=-ffreestanding
|
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CFLAGS+=-fno-pic
|
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CFLAGS+=-march=rv32i -mabi=ilp32
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CFLAGS+= -g
|
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|
||||
|
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LDFLAGS+=-nostdlib
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LDFLAGS+=-Wl,-Ttext=0x00000000
|
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# see: https://github.com/riscv/riscv-gcc/issues/120
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#LDFLAGS+=-Wl,--no-relax
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||||
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ASFLAGS+=$(CFLAGS)
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CXXFLAGS+=$(CFLAGS)
|
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|
||||
CLEAN_DIRS=$(SUBDIRS:%=clean-%)
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ALL_DIRS=$(SUBDIRS:%=all-%)
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|
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OBJDUMPFLAGS+=-Mnumeric,no-aliases
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.PHONY: all clean world $(CLEAN_DIRS) $(ALL_DIRS)
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||||
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%.bin : %
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$(OBJCOPY) $< -O binary $@
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%.lst : %
|
||||
$(OBJDUMP) $(OBJDUMPFLAGS) -dr --disassemble-all $< > $<.lst
|
||||
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% : %.o
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$(LINK.cc) $(LDFLAGS) -o $@ $^ $(LDLIBS)
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$(SIZE) -x -A $@
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%.s: %.c
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$(COMPILE.c) -S -o $@ $<
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|
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%.s: %.cc
|
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$(COMPILE.cc) -S -o $@ $<
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|
||||
%.o: %.c
|
||||
$(COMPILE.c) -o $@ $<
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|
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%.o: %.cc
|
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$(COMPILE.cc) -o $@ $<
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%.srec: %
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$(OBJCOPY) $< -O srec $@
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||||
|
||||
|
||||
|
||||
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all:: $(ALL_DIRS)
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clean:: $(CLEAN_DIRS)
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$(ALL_DIRS)::
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$(MAKE) -C $(@:all-%=%) all
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|
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$(CLEAN_DIRS)::
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$(MAKE) -C $(@:clean-%=%) clean
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||||
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world:: clean all
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|
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@ -7,7 +7,7 @@ LDLIBS=
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CFLAGS+=-O0 -ggdb3
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||||
|
||||
LDFLAGS+=-Wl,--no-relax
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LDFLAGS+=-Wl,-Ttext=0x80000000,-Tdata=0x80010000
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LDFLAGS+=-Wl,-Tdata=0x10000
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||||
# LDFLAGS+=-T murax_128k_ram.ld
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||||
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||||
PROGS=prog prog.bin prog.lst
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||||
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@ -0,0 +1,543 @@
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|||
package vexriscv.demo
|
||||
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||||
import spinal.core._
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||||
import spinal.lib._
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||||
import spinal.lib.bus.amba3.apb._
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||||
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._
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||||
import spinal.lib.io.{InOutWrapper, TriStateArray}
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||||
import spinal.lib.misc.{InterruptCtrl, Prescaler, Timer}
|
||||
import spinal.lib.soc.pinsec.{PinsecTimerCtrl, PinsecTimerCtrlExternal}
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||||
import vexriscv.plugin._
|
||||
import vexriscv.{VexRiscv, VexRiscvConfig, plugin}
|
||||
import spinal.lib.com.spi.ddr._
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||||
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)
|
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def default(withXip : Boolean = false, bigEndian : Boolean = false) = MuraxConfig(
|
||||
coreFrequency = 12 MHz,
|
||||
onChipRamSize = 128 kB,
|
||||
onChipRamHexFile = null,
|
||||
pipelineDBus = true,
|
||||
pipelineMainBus = false,
|
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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(
|
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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()))
|
||||
}
|
||||
|
||||
|
|
@ -9,8 +9,8 @@ _start:
|
|||
la gp, __global_pointer$
|
||||
.option pop
|
||||
|
||||
li sp, 0x800ffff0
|
||||
|
||||
li sp, 0x1fff0
|
||||
j finish_bss
|
||||
# Clear the bss segment
|
||||
la a0, __bss_start
|
||||
la a1, __BSS_END__
|
||||
|
|
|
|||
|
|
@ -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
|
||||
Binary file not shown.
|
|
@ -1,73 +1,56 @@
|
|||
#include <stdint.h>
|
||||
|
||||
char * ptr1 = "janek";
|
||||
char * ptr2 = "kowalskii";
|
||||
|
||||
int strlen(char *s)
|
||||
{
|
||||
char *p = s;
|
||||
while (*p != '\0')
|
||||
p++;
|
||||
return p - s;
|
||||
}
|
||||
|
||||
void strcpy(char *s, char *t)
|
||||
{
|
||||
while (*s++ = *t++);
|
||||
int strlen(const char *s) {
|
||||
const char *p = s;
|
||||
while (*p != '\0') {
|
||||
p++;
|
||||
}
|
||||
return p - s;
|
||||
}
|
||||
|
||||
|
||||
#define ALLOCSIZE 10000
|
||||
void strcpy(char *s, const char *t) {
|
||||
while ((*s++ = *t++) != '\0');
|
||||
}
|
||||
|
||||
#define ALLOCSIZE 100
|
||||
|
||||
|
||||
static char allocbuf[ALLOCSIZE];
|
||||
static char *allocp = allocbuf;
|
||||
|
||||
char *alloc(int n)
|
||||
{
|
||||
|
||||
char *alloc(int n) {
|
||||
if (n % 4 != 0) {
|
||||
n += 4 - (n % 4);
|
||||
}
|
||||
|
||||
|
||||
if (allocbuf + ALLOCSIZE - allocp >= n) {
|
||||
allocp += n;
|
||||
return allocp - n;
|
||||
} else
|
||||
return 0;
|
||||
if (allocbuf + ALLOCSIZE - allocp >= n) {
|
||||
allocp += n;
|
||||
return allocp - n;
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
int main() {
|
||||
|
||||
char * s = "mpabi";
|
||||
|
||||
|
||||
uint8_t wynik =0;
|
||||
wynik = strlen (s);
|
||||
int main(char *p) {
|
||||
const char *s = "Mpabi ";
|
||||
int wynik = strlen(s);
|
||||
char tablica[100];
|
||||
char *v = tablica ;
|
||||
const char* u = "mpabi" ;
|
||||
|
||||
asm("nop");
|
||||
int i;
|
||||
for (i = 0; u[i] != '\0'; ++i) {
|
||||
v[i] = u[i];
|
||||
}
|
||||
v[i] = '\0';
|
||||
|
||||
|
||||
char * p1 = alloc(strlen(ptr1));
|
||||
strcpy (p1, ptr1);
|
||||
asm("nop");
|
||||
|
||||
char * p2 = alloc(strlen(ptr2));
|
||||
strcpy (p2, ptr2);
|
||||
asm("nop");
|
||||
|
||||
struct point {
|
||||
int16_t x;
|
||||
int16_t y;
|
||||
};
|
||||
|
||||
struct point * ptrS = (struct point *) alloc(sizeof(point));
|
||||
ptrS->x=0x10;
|
||||
ptrS->y=0x20;
|
||||
asm("nop");
|
||||
|
||||
(*ptrS).y= strlen (p1)+ strlen(p2);
|
||||
|
||||
return 1;
|
||||
int wynik2 = strlen(v);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Binary file not shown.
|
|
@ -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 */
|
||||
}
|
||||
Binary file not shown.
Binary file not shown.
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,111 @@
|
|||
import argparse
|
||||
import json
|
||||
import sys
|
||||
import subprocess
|
||||
import os
|
||||
from datetime import datetime
|
||||
|
||||
DEFAULT_CONFIG = {
|
||||
"user": "Denys",
|
||||
"email": "denys@mpabi.pl",
|
||||
"remotes": [{
|
||||
"name": "r", # Zaktualizowano z "default" na "mpabi"
|
||||
"protocol": "http",
|
||||
"domain": "qstack.pl",
|
||||
"port": "3000",
|
||||
"token_name": "t",
|
||||
"token": "dea9ac442c449a245cbdbb6796bccf78f082db7e",
|
||||
"group": "1i-2023",
|
||||
"project": "strlen-c"
|
||||
}]
|
||||
}
|
||||
|
||||
def load_or_create_config(config_file, args):
|
||||
config_exists = os.path.exists(config_file) and os.stat(config_file).st_size != 0
|
||||
if config_exists:
|
||||
with open(config_file, 'r') as file:
|
||||
config = json.load(file)
|
||||
else:
|
||||
config = DEFAULT_CONFIG.copy()
|
||||
|
||||
# Znajdź istniejące zdalne repozytorium o podanej nazwie
|
||||
remote = next((remote for remote in config['remotes'] if remote['name'] == args.remote), None)
|
||||
|
||||
# Jeśli istnieje zdalne repozytorium i podano argumenty związane z konfiguracją zdalnego repozytorium
|
||||
if remote:
|
||||
for field in ['protocol', 'domain', 'port', 'token_name', 'token', 'group', 'project']:
|
||||
# Aktualizuj tylko, jeśli argument został jawnie podany
|
||||
if getattr(args, field, None) is not None:
|
||||
remote[field] = getattr(args, field)
|
||||
|
||||
# Jeśli zdalne repozytorium nie istnieje, ale podano nazwę, tworzymy nowe zdalne repozytorium
|
||||
elif args.remote:
|
||||
new_remote = {'name': args.remote}
|
||||
for field in ['protocol', 'domain', 'port', 'token_name', 'token', 'group', 'project']:
|
||||
new_remote[field] = getattr(args, field, DEFAULT_CONFIG['remotes'][0].get(field, ''))
|
||||
if new_remote[field] == None:
|
||||
new_remote[field] = DEFAULT_CONFIG['remotes'][0].get(field, '')
|
||||
config['remotes'].append(new_remote)
|
||||
|
||||
# Aktualizuj informacje o użytkowniku i email, tylko jeśli zostały podane
|
||||
if getattr(args, 'user', None):
|
||||
config['user'] = args.user
|
||||
if getattr(args, 'email_domain', None):
|
||||
config['email'] = f"{args.user}@{args.email_domain}"
|
||||
|
||||
# Zapisz zmodyfikowaną konfigurację
|
||||
with open(config_file, 'w') as file:
|
||||
json.dump(config, file, indent=4)
|
||||
|
||||
return config
|
||||
|
||||
|
||||
def init_git_repo(config):
|
||||
user_name = config['user']
|
||||
user_email = config['email']
|
||||
branch_name = f"{user_name}-{datetime.now().strftime('%Y-%m-%d')}"
|
||||
|
||||
if subprocess.run(["git", "rev-parse", "--git-dir"], stderr=subprocess.DEVNULL).returncode != 0:
|
||||
subprocess.run(["git", "init"])
|
||||
subprocess.run(["git", "config", "user.name", user_name])
|
||||
subprocess.run(["git", "config", "user.email", user_email])
|
||||
subprocess.run(["git", "checkout", "-b", branch_name])
|
||||
print("Git repository initialized.")
|
||||
else:
|
||||
print("Already inside a Git repository. Skipping initialization.")
|
||||
|
||||
remotesFromList = str(subprocess.run(["git", "remote", "-v"], capture_output=True).stdout)
|
||||
remotesFromList = remotesFromList.replace('b\'', "").replace('\'', "").split('\\n')
|
||||
for rm in remotesFromList:
|
||||
name = rm.split("\\t")[0]
|
||||
subprocess.run(["git", "remote", "remove", name], stderr=subprocess.DEVNULL)
|
||||
|
||||
for remote in config['remotes']:
|
||||
remote_url = f"{remote['protocol']}://{remote['token_name']}:{remote['token']}@{remote['domain']}:{remote['port']}/{remote['group']}/{remote['project']}"
|
||||
# Usunięcie i ponowne dodanie zdalnego repozytorium, jeśli jest zaktualizowane
|
||||
#subprocess.run(["git", "remote", "remove", remote['name']], stderr=subprocess.DEVNULL)
|
||||
subprocess.run(["git", "remote", "add", remote['name'], remote_url])
|
||||
print(f"Remote '{remote['name']}' added or updated.")
|
||||
|
||||
def main():
|
||||
parser = argparse.ArgumentParser(description="Git repository initializer with custom configuration.")
|
||||
parser.add_argument("--user", help="User name")
|
||||
parser.add_argument("--email_domain", help="Email domain")
|
||||
parser.add_argument("--config", help="Path to the JSON config file", default="conf.json")
|
||||
parser.add_argument("--remote", help="Name of the remote to add or update")
|
||||
parser.add_argument("--protocol", help="Remote protocol")
|
||||
parser.add_argument("--domain", help="Remote domain")
|
||||
parser.add_argument("--port", help="Remote port")
|
||||
parser.add_argument("--token_name", help="Remote token name")
|
||||
parser.add_argument("--token", help="Remote token")
|
||||
parser.add_argument("--group", help="Group name")
|
||||
parser.add_argument("--project", help="Project name")
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
config = load_or_create_config(args.config, args)
|
||||
init_git_repo(config)
|
||||
print("Git repository initialized and configured based on the provided configuration.")
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
BIN
tex/main.pdf
BIN
tex/main.pdf
Binary file not shown.
110
tex/main.tex
110
tex/main.tex
|
|
@ -1,110 +0,0 @@
|
|||
\documentclass{article}
|
||||
\usepackage[a4paper, margin=2cm]{geometry}
|
||||
|
||||
\usepackage[utf8]{inputenc}
|
||||
\usepackage[T1]{fontenc}
|
||||
\usepackage[polish]{babel}
|
||||
\usepackage{listings}
|
||||
\usepackage{color}
|
||||
|
||||
\definecolor{codegreen}{rgb}{0,0.6,0}
|
||||
\definecolor{codegray}{rgb}{0.5,0.5,0.5}
|
||||
\definecolor{codepurple}{rgb}{0.58,0,0.82}
|
||||
\definecolor{backcolour}{rgb}{0.95,0.95,0.92}
|
||||
|
||||
\lstdefinestyle{mystyle}{
|
||||
backgroundcolor=\color{backcolour},
|
||||
commentstyle=\color{codegreen},
|
||||
keywordstyle=\color{magenta},
|
||||
numberstyle=\tiny\color{codegray},
|
||||
stringstyle=\color{codepurple},
|
||||
basicstyle=\ttfamily\footnotesize,
|
||||
breakatwhitespace=false,
|
||||
breaklines=true,
|
||||
captionpos=b,
|
||||
keepspaces=true,
|
||||
showspaces=false,
|
||||
showstringspaces=false,
|
||||
showtabs=false,
|
||||
tabsize=2
|
||||
}
|
||||
|
||||
\lstset{style=mystyle}
|
||||
|
||||
\begin{document}
|
||||
|
||||
\title{GDB and DASHBOARD}
|
||||
\author{}
|
||||
\date{}
|
||||
\maketitle
|
||||
|
||||
\section{Dashboard memory watch}
|
||||
Dashboard GDB pozwala na dynamiczne obserwowanie określonych obszarów pamięci. Używając funkcji \texttt{dashboard memory watch}, można ustawić obserwację na konkretne adresy pamięci.
|
||||
|
||||
\begin{lstlisting}[language=bash]
|
||||
dashboard memory watch 0x1ff80 128
|
||||
\end{lstlisting}
|
||||
|
||||
\noindent
|
||||
Powyższa komenda skonfiguruje dashboard do obserwacji 128 bajtów pamięci, począwszy od adresu \texttt{0x1ff80}.
|
||||
|
||||
\section{Obserwacja pamięci przy użyciu watch w GDB}
|
||||
Aby obserwować pamięć na niskim poziomie w GDB, można użyć komendy \texttt{watch} w połączeniu z rzutowaniem i rozmiarem obserwowanego obszaru. Przykładowo, aby obserwować 128 bajty pamięci zaczynając od adresu \texttt{0x1ff80}, użyjemy następującej komendy:
|
||||
|
||||
\begin{lstlisting}[language=bash]
|
||||
watch *(char*)0x1ff80 @ 128
|
||||
\end{lstlisting}
|
||||
|
||||
Ta komenda spowoduje przerwanie wykonania programu, gdy wartości w obserwowanym obszarze pamięci ulegną zmianie. Użycie rzutowania na typ \texttt{(char*)} pozwala na interpretację adresu jako wskaźnika na bajty, a operator \texttt{@} określa ilość obserwowanych bajtów.
|
||||
|
||||
\section{Clear Memory}
|
||||
|
||||
\subsection{Basic Usage}
|
||||
To clear 128 bytes of memory starting from 0x1FF80, use the following script:
|
||||
|
||||
\begin{lstlisting}[language=bash]
|
||||
#./gdb/zero.py
|
||||
|
||||
import gdb
|
||||
for i in range(0, 128): # 128 bajtów
|
||||
gdb.execute("set *((char*)0x1FF80 + %d) = 0" % i)
|
||||
\end{lstlisting}
|
||||
|
||||
Run this script from GDB dashboard by:
|
||||
|
||||
\begin{lstlisting}[language=bash]
|
||||
source gdb/zero.py
|
||||
\end{lstlisting}
|
||||
|
||||
\subsection{Option 2: With Parameters}
|
||||
To dynamically set the starting address, number of bytes, and pattern from the command line, modify the script as follows:
|
||||
|
||||
\begin{lstlisting}[language=bash]
|
||||
#./gdb/zero_with_params.py
|
||||
|
||||
import gdb
|
||||
import sys
|
||||
|
||||
# Parse arguments from the GDB command
|
||||
args = gdb.string_to_argv(gdb.parameter("args"))
|
||||
if len(args) != 3:
|
||||
print("Usage: source gdb/zero_with_params.py <start_address> <num_bytes> <pattern>")
|
||||
else:
|
||||
start_address = int(args[0], 16) # Convert start address from hex to int
|
||||
num_bytes = int(args[1], 16) # Convert number of bytes from hex to int
|
||||
pattern = int(args[2], 16) # Convert pattern from hex to int
|
||||
|
||||
for i in range(num_bytes):
|
||||
gdb.execute("set *((char*)%d + %d) = %d" % (start_address, i, pattern))
|
||||
\end{lstlisting}
|
||||
|
||||
To run this script with parameters, set GDB's `args` parameter before sourcing the script:
|
||||
|
||||
\begin{lstlisting}[language=bash]
|
||||
set args 0x1FF80 0x80 0x30
|
||||
source gdb/zero_with_params.py
|
||||
\end{lstlisting}
|
||||
|
||||
This allows specifying the starting address, number of bytes to clear, and the pattern to use directly from the GDB command line.
|
||||
|
||||
\end{document}
|
||||
Loading…
Reference in New Issue