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[FASED] Default to line length of 64B in LLC #147

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[FASED] Default to line length of 64B in LLC #147

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6 changes: 3 additions & 3 deletions src/main/scala/midas/models/dram/LastLevelCache.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ class LLCProgrammableSettings(llcKey: LLCParams) extends Bundle
val registers = Seq(
wayBits -> RuntimeSetting(llcKey.ways.maxBits, "Log2(ways per set)"),
setBits -> RuntimeSetting(llcKey.sets.maxBits, "Log2(sets per bank"),
blockBits -> RuntimeSetting(llcKey.blockBytes.maxBits, "Log2(cache-block bytes"),
blockBits -> RuntimeSetting(6, "Log2(cache-block bytes"), // 64B is the typical line length in RC
activeMSHRs -> RuntimeSetting(llcKey.mshrs.max, "Number of MSHRs", min = 1, max = Some(llcKey.mshrs.max))
)

Expand All @@ -96,8 +96,8 @@ class LLCProgrammableSettings(llcKey: LLCParams) extends Bundle
def setLLCSettings(bytesPerBlock: Option[Int] = None): Unit = {
Console.println(s"\n${UNDERLINED}Last-Level Cache Settings${RESET}")

regMap(blockBits).set(log2Ceil(requestInput("Block size in bytes",
default = llcKey.blockBytes.max,
regMap(blockBits).set(log2Ceil(requestInput("Block size in bytes (must be a power of two)",
default = 64,
min = Some(llcKey.blockBytes.min),
max = Some(llcKey.blockBytes.max))))
regMap(setBits).set(log2Ceil(requestInput("Number of sets in LLC",
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