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exe访存时需要allow_to_go

This commit is contained in:
Liphen 2024-05-11 14:56:38 +08:00
parent 140dad44a8
commit b9f0def62e
1 changed files with 4 additions and 5 deletions
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9
chisel/playground/src/pipeline/execute/fu/Lsu.scala
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@ -14,6 +14,9 @@ class Lsu extends Module {
val dataSram = new DataSram()
})
val allow_to_go = Wire(Bool())
BoringUtils.addSink(allow_to_go, "exe_allow_to_go")
def genWmask(addr: UInt, sizeEncode: UInt): UInt = {
LookupTree(
sizeEncode,
@ -58,7 +61,7 @@ class Lsu extends Module {
)
}
val valid = io.info.valid && io.info.fusel === FuType.lsu // && 无异常
val valid = io.info.valid && io.info.fusel === FuType.lsu && allow_to_go// && 无异常
val op = io.info.op
val is_load = valid && LSUOpType.isLoad(op)
val is_store = valid && LSUOpType.isStore(op)
@ -114,10 +117,6 @@ class Lsu extends Module {
"b11".U -> (addr(2, 0) === 0.U) //d
)
)
val allow_to_go = Wire(Bool())
BoringUtils.addSink(allow_to_go, "exe_allow_to_go")
val addr_last = RegEnable(addr, allow_to_go)
io.dataSram.en := valid && addr_aligned