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tilelink2 Fragmenter: combine AccessAck errors

This commit is contained in:
Wesley W. Terpstra 2016-10-12 16:56:51 -07:00
parent 4caa543ad7
commit 538437384a
1 changed files with 6 additions and 1 deletions
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7
src/main/scala/uncore/tilelink2/Fragmenter.scala
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@ -167,6 +167,12 @@ class TLFragmenter(minSize: Int, maxSize: Int, alwaysMin: Boolean = false) exten
in.d.bits.source := out.d.bits.source >> fragmentBits
in.d.bits.size := Mux(dFirst, dFirst_size, dOrig)
// Combine the error flag
val r_error = RegInit(Bool(false))
val d_error = r_error | out.d.bits.error
when (out.d.fire()) { r_error := Mux(drop, d_error, UInt(0)) }
in.d.bits.error := d_error
// What maximum transfer sizes do downstream devices support?
val maxArithmetics = managers.map(_.supportsArithmetic.max)
val maxLogicals = managers.map(_.supportsLogical.max)
@ -264,4 +270,3 @@ class TLRAMFragmenter(ramBeatBytes: Int, maxSize: Int) extends LazyModule {
class TLRAMFragmenterTest(ramBeatBytes: Int, maxSize: Int) extends UnitTest(timeout = 500000) {
io.finished := Module(LazyModule(new TLRAMFragmenter(ramBeatBytes,maxSize)).module).io.finished
}