Add vsie.LCOFIE and vsip.LCOFIP (#1336)

src/hypervisor.adoc

@@ -976,6 +976,14 @@ include::images/bytefield/vsipreg-standard.edn[]
 .Standard portion (bits 15:0) of `vsie`.
 include::images/bytefield/vsiereg-standard.edn[]
 
+When bit 12 of `hideleg` is zero, `vsip`.LCOFIP and `vsie`.LCOFIE
+are read-only zeros.
+Else, `vsip`.LCOFIP and `vsie`.LCOFIE are aliases of `sip`.LCOFIP
+and `sie`.LCOFIE.
+
+NOTE: The `vsip`.LCOFIP and `vsie`.LCOFIE bits were added in Version 1.13 of
+the Privileged Architecture.
+
 When bit 10 of `hideleg` is zero, `vsip`.SEIP and `vsie`.SEIE are
 read-only zeros. Else, `vsip`.SEIP and `vsie`.SEIE are aliases of
 `hip`.VSEIP and `hie`.VSEIE.

src/images/bytefield/vsiereg-standard.edn

@@ -8,9 +8,11 @@
 (def boxes-per-row 32)
 
 (draw-box nil {:span 6 :borders {}})
-(draw-box "15" {:borders {}})
-(draw-box nil {:span 4 :borders {}})
-(draw-box "10" {:borders {}})
+(draw-box "15" {:text-anchor "start" :borders {}})
+(draw-box "14" {:text-anchor "end" :borders {}})
+(draw-box "13" {:span 2 :borders {}})
+(draw-box "12" {:text-anchor "start" :borders {}})
+(draw-box "10" {:text-anchor "end" :borders {}})
 (draw-box "9" {:span 2 :borders {}})
 (draw-box "8" {:borders {}})
 (draw-box nil {:borders {}})
@@ -24,7 +26,9 @@
 (draw-box nil {:span 7 :borders {}})
 
 (draw-box nil {:span 6 :borders {}})
-(draw-box "0" {:span 6})
+(draw-box "0" {:span 2})
+(draw-box (text "LCOFIE" {:font-size 20}) {:span 2})
+(draw-box "0" {:span 2})
 (draw-box "SEIE" {:span 2})
 (draw-box "0" {:span 3})
 (draw-box "STIE" {:span 2})
@@ -34,12 +38,14 @@
 (draw-box nil {:span 7 :borders {}})
 
 (draw-box nil {:span 6 :borders {}})
-(draw-box "6" {:span 6 :borders {}})
+(draw-box "2" {:span 2 :borders {}})
+(draw-box "1" {:span 2 :borders {}})
+(draw-box "3" {:span 2 :borders {}})
 (draw-box "1" {:span 2 :borders {}})
 (draw-box "3" {:span 3 :borders {}})
 (draw-box "1" {:span 2 :borders {}})
 (draw-box "3" {:span 3 :borders {}})
 (draw-box "1" {:span 2 :borders {}})
 (draw-box "1" {:borders {}})
 (draw-box nil {:span 7 :borders {}})
-----
+----

src/images/bytefield/vsipreg-standard.edn

@@ -8,9 +8,11 @@
 (def boxes-per-row 32)
 
 (draw-box nil {:span 6 :borders {}})
-(draw-box "15" {:borders {}})
-(draw-box nil {:span 4 :borders {}})
-(draw-box "10" {:borders {}})
+(draw-box "15" {:text-anchor "start" :borders {}})
+(draw-box "14" {:text-anchor "end" :borders {}})
+(draw-box "13" {:span 2 :borders {}})
+(draw-box "12" {:text-anchor "start" :borders {}})
+(draw-box "10" {:text-anchor "end" :borders {}})
 (draw-box "9" {:span 2 :borders {}})
 (draw-box "8" {:borders {}})
 (draw-box nil {:borders {}})
@@ -24,7 +26,9 @@
 (draw-box nil {:span 7 :borders {}})
 
 (draw-box nil {:span 6 :borders {}})
-(draw-box "0" {:span 6})
+(draw-box "0" {:span 2})
+(draw-box (text "LCOFIP" {:font-size 20}) {:span 2})
+(draw-box "0" {:span 2})
 (draw-box "SEIP" {:span 2})
 (draw-box "0" {:span 3})
 (draw-box "STIP" {:span 2})
@@ -34,12 +38,14 @@
 (draw-box nil {:span 7 :borders {}})
 
 (draw-box nil {:span 6 :borders {}})
-(draw-box "6" {:span 6 :borders {}})
+(draw-box "2" {:span 2 :borders {}})
+(draw-box "1" {:span 2 :borders {}})
+(draw-box "3" {:span 2 :borders {}})
 (draw-box "1" {:span 2 :borders {}})
 (draw-box "3" {:span 3 :borders {}})
 (draw-box "1" {:span 2 :borders {}})
 (draw-box "3" {:span 3 :borders {}})
 (draw-box "1" {:span 2 :borders {}})
 (draw-box "1" {:borders {}})
 (draw-box nil {:span 7 :borders {}})
-----
+----

src/priv-preface.adoc

@@ -139,6 +139,7 @@ in `menvcfg` and `henvcfg`.
 be set to a nonzero value but sometimes not.
 * Clarified exception behavior of unimplemented or inaccessible CSRs.
 * Clarified that Svpbmt allows implementations to override additional PMAs.
+* Exposed count-overflow interrups to VS-mode.
 
 [.big]*_Preface to Version 20211203_*