riscv/rocket-chip
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Don't write badaddr on misaligned fetch exceptions

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It's optional, and we were doing it wrong before, so just don't do it.
This commit is contained in:
Andrew Waterman 2017-09-20 10:52:41 -07:00
parent acea94bcef
commit f5bd639863
1 changed files with 1 additions and 1 deletions
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src/main/scala/rocket/CSR.scala
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@ -510,7 +510,7 @@ class CSRFile(perfEventSets: EventSets = new EventSets(Seq()))(implicit p: Param
val epc = ~(~io.pc | (coreInstBytes-1))
val write_badaddr = cause isOneOf (Causes.illegal_instruction, Causes.breakpoint,
Causes.misaligned_load, Causes.misaligned_store, Causes.misaligned_fetch,
Causes.misaligned_load, Causes.misaligned_store,
Causes.load_access, Causes.store_access, Causes.fetch_access,
Causes.load_page_fault, Causes.store_page_fault, Causes.fetch_page_fault)
val badaddr_value = Mux(write_badaddr, io.badaddr, 0.U)