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Clarify setup instructions for IF.scala

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This commit is contained in:
peteraa 2019-08-28 16:13:15 +02:00
parent e640daffaa
commit 8982b5529c
1 changed files with 10 additions and 3 deletions
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13
src/main/scala/IF.scala
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@ -49,11 +49,18 @@ class InstructionFetch extends MultiIOModule {
/** /**
* Setup. You should not change this code * Setup.
*
* When you have added an instruction signal to this module you
* should ensure that it is set to NOP during program loading.
*
* If not you will end up issuing instructions during program load
* which will start executing before memory, registers and programs
* are fully loaded.
*/ */
when(testHarness.IMEMsetup.setup) { when(testHarness.IMEMsetup.setup) {
PC := 0.U PC := 0.U
// TODO: You must set the instruction to Instruction.NOP here. // TODO: You should probably set the instruction to Instruction.NOP here.
// throw new Exception("Just making sure you're seeing the line above") throw new Exception("Just making sure you're seeing the line above.\nYou can delete this exception now, it's found at line 64 at IF.scala")
} }
} }