riscv/rocket-chip
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Don't check for exceptions on ScratchpadSlavePort accesses

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This commit is contained in:
Andrew Waterman 2017-03-23 23:43:19 -07:00
parent ccd5bc9a91
commit 30415215b8
1 changed files with 5 additions and 4 deletions
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9
src/main/scala/rocket/DCache.scala
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@ -181,10 +181,11 @@ class DCacheModule(outer: DCache) extends HellaCacheModule(outer) {
// exceptions // exceptions
val s1_storegen = new StoreGen(s1_req.typ, s1_req.addr, UInt(0), wordBytes) val s1_storegen = new StoreGen(s1_req.typ, s1_req.addr, UInt(0), wordBytes)
io.cpu.xcpt.ma.ld := s1_read && s1_storegen.misaligned val no_xcpt = Bool(usingDataScratchpad) && s1_req.phys /* slave port */ && s1_hit_state.isValid()
io.cpu.xcpt.ma.st := s1_write && s1_storegen.misaligned io.cpu.xcpt.ma.ld := !no_xcpt && s1_read && s1_storegen.misaligned
io.cpu.xcpt.pf.ld := s1_read && tlb.io.resp.xcpt_ld io.cpu.xcpt.ma.st := !no_xcpt && s1_write && s1_storegen.misaligned
io.cpu.xcpt.pf.st := s1_write && tlb.io.resp.xcpt_st io.cpu.xcpt.pf.ld := !no_xcpt && s1_read && tlb.io.resp.xcpt_ld
io.cpu.xcpt.pf.st := !no_xcpt && s1_write && tlb.io.resp.xcpt_st
// load reservations // load reservations
val s2_lr = Bool(usingAtomics) && s2_req.cmd === M_XLR val s2_lr = Bool(usingAtomics) && s2_req.cmd === M_XLR