readback!
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@@ -96,7 +96,9 @@ X If a node ispresent=true, and any of it's properties are a reference,
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y->we = y;
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... it works, but should it be allowed? Seems like user-error
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! Signals marked as field_reset or cpuif_reset need to have activehigh/activelow
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specified. (8.2.1-d states that activehigh/low does not have an implied default state if unset!)
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Also aplies to signals referenced by fieldreset
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@@ -109,19 +111,27 @@ List of stuff in case I forget.
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! = No! exporter does not enforce this yet
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--------------------------------------------------------------------------------
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X Contents of target are all internal. No external regs
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X Does not contain any mem components
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X Warn/error on any signal with cpuif_reset set, that is not in the top-level
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addrmap. At the very least, warn that it will be ignored
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! "bridge" addrmap not supported
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export shall refuse to process an addrmap marked as a "bridge"
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Only need to check top-level. Compiler will enforce that child nodes arent bridges
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cpuif_resets
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! Warn/error on any signal with cpuif_reset set, that is not in the top-level
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addrmap. At the very least, warn that it will be ignored
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! async data signals
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Only supporting async signals if they are exclusively used in resets.
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Anyhting else declared as "async" shall be an error
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I have zero interest in implementing resynchronizers
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! Error if a property references a non-signal component, or property reference from
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outside the export hierarchy
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! regwidth/accesswidth is sane
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! accesswidth == regwidth
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Enforce this for now. Dont feel like supporting fancy modes yet
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@@ -135,9 +145,6 @@ cpuif_resets
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For now, probably limit to only allow the same regwidth everywhere?
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! Contents of target are all internal. No external regs
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! Does not contain any mem components
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! Do not allow unaligned addresses
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All offsets & strides shall be a multiple of the regwidth used
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