move HexTools into SpinalHDL lib
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@ -1,58 +0,0 @@
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package spinal.lib.misc
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import spinal.core._
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import scala.collection.mutable.ArrayBuffer
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object HexTools{
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def readHexFile(path : String, hexOffset : Int, callback : (Int, Int) => Unit) : Unit ={
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import scala.io.Source
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def hToI(that : String, start : Int, size : Int) = Integer.parseInt(that.substring(start,start + size), 16)
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var offset = 0
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for (line <- Source.fromFile(path).getLines) {
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if (line.charAt(0) == ':'){
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val byteCount = hToI(line, 1, 2)
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val nextAddr = hToI(line, 3, 4) + offset
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val key = hToI(line, 7, 2)
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key match {
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case 0 =>
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for(i <- 0 until byteCount){
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callback(nextAddr + i - hexOffset, hToI(line, 9 + i * 2, 2))
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}
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case 2 =>
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offset = hToI(line, 9, 4) << 4
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case 4 =>
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offset = hToI(line, 9, 4) << 16
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case 3 =>
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case 5 =>
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case 1 =>
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}
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}
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}
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}
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def readHexFile(path : String, hexOffset : Int): Array[BigInt] ={
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var onChipRomSize = 0
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readHexFile(path, hexOffset ,(address, _) => {
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onChipRomSize = Math.max((address).toInt, onChipRomSize) + 1
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})
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val initContent = Array.fill[BigInt]((onChipRomSize+3)/4)(0)
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readHexFile(path, hexOffset,(address,data) => {
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val addressWithoutOffset = (address).toInt
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if(addressWithoutOffset < onChipRomSize)
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initContent(addressWithoutOffset >> 2) |= BigInt(data) << ((addressWithoutOffset & 3)*8)
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})
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initContent
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}
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def initRam[T <: Data](ram : Mem[T], onChipRamHexFile : String, hexOffset : BigInt): Unit ={
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val initContent = Array.fill[BigInt](ram.wordCount)(0)
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HexTools.readHexFile(onChipRamHexFile, 0,(address,data) => {
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val addressWithoutOffset = (address - hexOffset).toInt
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initContent(addressWithoutOffset >> 2) |= BigInt(data) << ((addressWithoutOffset & 3)*8)
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})
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ram.initBigInt(initContent)
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}
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}
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