Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

CSR: default mstatus.SXL/UXL to b10 #121

Merged
merged 1 commit into from
Sep 10, 2023
Merged

CSR: default mstatus.SXL/UXL to b10 #121

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions src/main/scala/nutcore/backend/fu/CSR.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -275,13 +275,13 @@ class CSR(implicit val p: NutCoreConfig) extends NutCoreModule with HasCSRConst{
val marchid = RegInit(UInt(XLEN.W), 0.U) // return 0 to indicate the field is not implemented
val mimpid = RegInit(UInt(XLEN.W), 0.U) // provides a unique encoding of the version of the processor implementation
val mhartid = RegInit(UInt(XLEN.W), 0.U) // the hardware thread running the code
val mstatus = RegInit(UInt(XLEN.W), "h00001800".U)
val mstatus = RegInit(UInt(XLEN.W), "ha00001800".U)
// val mstatus = RegInit(UInt(XLEN.W), "h8000c0100".U)
// mstatus Value Table
// | sd |
// | pad1 |
// | sxl | hardlinked to 10, use 00 to pass xv6 test
// | uxl | hardlinked to 00
// | uxl | hardlinked to 10
// | pad0 |
// | tsr |
// | tw |
Expand Down
Loading