wu-arch/chipyard
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Add fragment to configure PMPs

Browse Source 
Surprisingly there is no existing fragment to do this defined in rocketchip. Add our own here.
This commit is contained in:
Jerry Zhao
2021-03-09 00:02:24 -08:00
committed by GitHub
parent d98d6d1875
commit 8f511aeaf3
1 changed files with 10 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
generators/chipyard/src/main/scala/ConfigFragments.scala
View File

@@ -151,6 +151,16 @@ class WithNPerfCounters(n: Int = 29) extends Config((site, here, up) => {
} }
}) })
class WithNPMPs(n: Int = 8) extends Config((site, here, up) => {
case TilesLocated(InSubsystem) => up(TilesLocated(InSubsystem), site) map {
case tp: RocketTileAttachParams => tp.copy(tileParams = tp.tileParams.copy(
core = tp.tileParams.core.copy(nPMPs = n)))
case tp: BoomTileAttachParams => tp.copy(tileParams = tp.tileParams.copy(
core = tp.tileParams.core.copy(nPMPs = n)))
case other => other
}
})
class WithRocketICacheScratchpad extends Config((site, here, up) => { class WithRocketICacheScratchpad extends Config((site, here, up) => {
case RocketTilesKey => up(RocketTilesKey, site) map { r => case RocketTilesKey => up(RocketTilesKey, site) map { r =>
r.copy(icache = r.icache.map(_.copy(itimAddr = Some(0x300000 + r.hartId * 0x10000)))) r.copy(icache = r.icache.map(_.copy(itimAddr = Some(0x300000 + r.hartId * 0x10000))))