summaryrefslogtreecommitdiff
path: root/chiselFrontend/src/main/scala/chisel3/core/Mem.scala
diff options
context:
space:
mode:
authorJim Lawson2016-09-30 12:13:58 -0700
committerGitHub2016-09-30 12:13:58 -0700
commitdb25e8180a53fb8f4912fd37b7a613e15a01564f (patch)
tree8bb5597746002ac98641f394cee4c94e1d154aff /chiselFrontend/src/main/scala/chisel3/core/Mem.scala
parent785620b1403d827986bf60c2a001d8d6f71eed72 (diff)
parent6edbdf279257d656b5eac38d9de8645a068611bf (diff)
Merge pull request #265 from ucb-bar/gsdt
Gsdt - Fixup to Chisel connections and direction - PR 200 revisited.
Diffstat (limited to 'chiselFrontend/src/main/scala/chisel3/core/Mem.scala')
-rw-r--r--chiselFrontend/src/main/scala/chisel3/core/Mem.scala29
1 files changed, 22 insertions, 7 deletions
diff --git a/chiselFrontend/src/main/scala/chisel3/core/Mem.scala b/chiselFrontend/src/main/scala/chisel3/core/Mem.scala
index 38f5ef14..b24d463a 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/Mem.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/Mem.scala
@@ -8,6 +8,8 @@ import chisel3.internal._
import chisel3.internal.Builder.pushCommand
import chisel3.internal.firrtl._
import chisel3.internal.sourceinfo.{SourceInfo, DeprecatedSourceInfo, UnlocatableSourceInfo, MemTransform}
+// TODO: remove this once we have CompileOptions threaded through the macro system.
+import chisel3.core.ExplicitCompileOptions.NotStrict
object Mem {
@deprecated("Mem argument order should be size, t; this will be removed by the official release", "chisel3")
@@ -19,9 +21,11 @@ object Mem {
* @param t data type of memory element
*/
def apply[T <: Data](size: Int, t: T): Mem[T] = macro MemTransform.apply[T]
-
def do_apply[T <: Data](size: Int, t: T)(implicit sourceInfo: SourceInfo): Mem[T] = {
- val mt = t.cloneType
+ val mt = t.chiselCloneType
+ Binding.bind(mt, NoDirectionBinder, "Error: fresh t")
+ // TODO(twigg): Remove need for this Binding
+
val mem = new Mem(mt, size)
pushCommand(DefMemory(sourceInfo, mem, mt, size)) // TODO multi-clock
mem
@@ -60,7 +64,7 @@ sealed abstract class MemBase[T <: Data](t: T, val length: Int) extends HasId wi
*
* @param idx memory element index to write into
* @param data new data to write
- * @param mask write mask as a Vec of Bool: a write to the Vec element in
+ * @param mask write mask as a Seq of Bool: a write to the Vec element in
* memory is only performed if the corresponding mask index is true.
*
* @note this is only allowed if the memory's element data type is a Vec
@@ -79,9 +83,17 @@ sealed abstract class MemBase[T <: Data](t: T, val length: Int) extends HasId wi
when (cond) { port := datum }
}
- private def makePort(sourceInfo: SourceInfo, idx: UInt, dir: MemPortDirection): T =
- pushCommand(DefMemPort(sourceInfo,
- t.cloneType, Node(this), dir, idx.ref, Node(idx._parent.get.clock))).id
+ private def makePort(sourceInfo: SourceInfo, idx: UInt, dir: MemPortDirection): T = {
+ Binding.checkSynthesizable(idx, s"'idx' ($idx)")
+
+ val port = pushCommand(
+ DefMemPort(sourceInfo,
+ t.chiselCloneType, Node(this), dir, idx.ref, Node(idx._parent.get.clock))
+ ).id
+ // Bind each element of port to being a MemoryPort
+ Binding.bind(port, MemoryPortBinder(Builder.forcedModule), "Error: Fresh t")
+ port
+ }
}
/** A combinational-read, sequential-write memory.
@@ -107,7 +119,10 @@ object SeqMem {
def apply[T <: Data](size: Int, t: T): SeqMem[T] = macro MemTransform.apply[T]
def do_apply[T <: Data](size: Int, t: T)(implicit sourceInfo: SourceInfo): SeqMem[T] = {
- val mt = t.cloneType
+ val mt = t.chiselCloneType
+ Binding.bind(mt, NoDirectionBinder, "Error: fresh t")
+ // TODO(twigg): Remove need for this Binding
+
val mem = new SeqMem(mt, size)
pushCommand(DefSeqMemory(sourceInfo, mem, mt, size)) // TODO multi-clock
mem