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RegFieldDesc: Update reg field descs to be more correct for devices.

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This commit is contained in:
Megan Wachs
2018-03-09 12:22:28 -08:00
parent 3063fd1b46
commit 7458378a4a
3 changed files with 28 additions and 17 deletions
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12
src/main/scala/devices/debug/Debug.scala
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@ -254,7 +254,8 @@ object WNotifyWire {
set := valid
value := data
Bool(true)
}), Some(RegFieldDesc(name = name, desc = desc, access = RegFieldAccessType.WSPECIAL)))
}), Some(RegFieldDesc(name = name, desc = desc,
access = RegFieldAccessType.W)))
}
}
@ -898,12 +899,13 @@ class TLDebugModuleInner(device: Device, getNComponents: () => Int, beatBytes: I
programBufferMem.zipWithIndex.map {case (x, i) => RegField(8, x, RegFieldDesc(s"debug_progbuf_$i", ""))}),
// These sections are read-only.
IMPEBREAK(cfg)-> {if (cfg.hasImplicitEbreak) Seq(RegField.r(32, Instructions.EBREAK.value.U, RegFieldDesc("debug_impebreak", "Debug Implicit EBREAK"))) else Nil},
WHERETO -> Seq(RegField.r(32, jalAbstract.asUInt, RegFieldDesc("debug_whereto", "Instruction filled in by Debug Module to control hart in Debug Mode"))),
IMPEBREAK(cfg)-> {if (cfg.hasImplicitEbreak) Seq(RegField.r(32, Instructions.EBREAK.value.U,
RegFieldDesc("debug_impebreak", "Debug Implicit EBREAK", reset=Some(Instructions.EBREAK.value)))) else Nil},
WHERETO -> Seq(RegField.r(32, jalAbstract.asUInt, RegFieldDesc("debug_whereto", "Instruction filled in by Debug Module to control hart in Debug Mode", volatile = true))),
ABSTRACT(cfg) -> RegFieldGroup("debug_abstract", Some("Instructions generated by Debug Module"),
abstractGeneratedMem.zipWithIndex.map{ case (x,i) => RegField.r(32, x, RegFieldDesc(s"debug_abstract_$i", ""))}),
abstractGeneratedMem.zipWithIndex.map{ case (x,i) => RegField.r(32, x, RegFieldDesc(s"debug_abstract_$i", "", volatile=true))}),
FLAGS -> RegFieldGroup("debug_flags", Some("Memory region used to control hart going/resuming in Debug Mode"),
flags.zipWithIndex.map{case(x, i) => RegField.r(8, x.asUInt(), RegFieldDesc(s"debug_flags_${i}", ""))}),
flags.zipWithIndex.map{case(x, i) => RegField.r(8, x.asUInt(), RegFieldDesc(s"debug_flags_${i}", "", volatile=true))}),
ROMBASE -> RegFieldGroup("debug_rom", Some("Debug ROM"),
DebugRomContents().zipWithIndex.map{case (x, i) => RegField.r(8, (x & 0xFF).U(8.W),
RegFieldDesc(s"debug_rom_$i", "", reset=Some(x)))})