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Better HexTools

This commit is contained in:
Dolu1990 2018-05-26 11:51:42 +02:00
parent 6142b04603
commit 346338f084
1 changed files with 19 additions and 2 deletions
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21
src/main/scala/spinal/lib/misc/HexTools.scala
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@ -2,8 +2,10 @@ package spinal.lib.misc
import spinal.core._
import scala.collection.mutable.ArrayBuffer
object HexTools{
def readHexFile(path : String, callback : (Int, Int) => Unit, hexOffset : Int = 0): Unit ={
def readHexFile(path : String, hexOffset : Int, callback : (Int, Int) => Unit) : Unit ={
import scala.io.Source
def hToI(that : String, start : Int, size : Int) = Integer.parseInt(that.substring(start,start + size), 16)
@ -30,9 +32,24 @@ object HexTools{
}
}
def readHexFile(path : String, hexOffset : Int): Array[BigInt] ={
var onChipRomSize = 0
readHexFile(path, hexOffset ,(address, _) => {
onChipRomSize = Math.max((address).toInt, onChipRomSize) + 1
})
val initContent = Array.fill[BigInt]((onChipRomSize+3)/4)(0)
readHexFile(path, hexOffset,(address,data) => {
val addressWithoutOffset = (address).toInt
if(addressWithoutOffset < onChipRomSize)
initContent(addressWithoutOffset >> 2) |= BigInt(data) << ((addressWithoutOffset & 3)*8)
})
initContent
}
def initRam[T <: Data](ram : Mem[T], onChipRamHexFile : String, hexOffset : BigInt): Unit ={
val initContent = Array.fill[BigInt](ram.wordCount)(0)
HexTools.readHexFile(onChipRamHexFile,(address,data) => {
HexTools.readHexFile(onChipRamHexFile, 0,(address,data) => {
val addressWithoutOffset = (address - hexOffset).toInt
initContent(addressWithoutOffset >> 2) |= BigInt(data) << ((addressWithoutOffset & 3)*8)
})