Add compress-acc

.gitmodules

@@ -145,3 +145,6 @@
 [submodule "generators/rerocc"]
 	path = generators/rerocc
 	url = https://github.com/ucb-bar/rerocc.git
+[submodule "generators/compress-acc"]
+	path = generators/compress-acc
+	url = [email protected]:ucb-bar/compress-acc.git

build.sbt

@@ -173,7 +173,8 @@ lazy val chipyard = (project in file("generators/chipyard"))
   .dependsOn(testchipip, rocketchip, boom, rocketchip_blocks, rocketchip_inclusive_cache,
     dsptools, rocket_dsp_utils,
     gemmini, icenet, tracegen, cva6, nvdla, sodor, ibex, fft_generator,
-    constellation, mempress, barf, shuttle, caliptra_aes, rerocc)
+    constellation, mempress, barf, shuttle, caliptra_aes, rerocc,
+    compressacc)
   .settings(libraryDependencies ++= rocketLibDeps.value)
   .settings(
     libraryDependencies ++= Seq(
@@ -183,6 +184,11 @@ lazy val chipyard = (project in file("generators/chipyard"))
   .settings(commonSettings)
   .settings(Compile / unmanagedSourceDirectories += file(stageDir))
 
+lazy val compressacc = (project in file("generators/compress-acc"))
+  .dependsOn(rocketchip)
+  .settings(libraryDependencies ++= rocketLibDeps.value)
+  .settings(commonSettings)
+
 lazy val mempress = (project in file("generators/mempress"))
   .dependsOn(rocketchip)
   .settings(libraryDependencies ++= rocketLibDeps.value)

generators/chipyard/src/main/scala/config/RoCCAcceleratorConfigs.scala

@@ -67,3 +67,9 @@ class ReRoCCManyGemminiConfig extends Config(
   new gemmini.LeanGemminiConfig ++                              // rerocc tile0 is gemmini
   new freechips.rocketchip.subsystem.WithNBigCores(4) ++        // 4 rocket cores
   new chipyard.config.AbstractConfig)
+
+class ZstdCompressorRocketConfig extends Config(
+  new compressacc.WithZstdCompressor ++
+  new chipyard.config.WithSystemBusWidth(256) ++
+  new freechips.rocketchip.subsystem.WithNBigCores(1) ++
+  new chipyard.config.AbstractConfig)