Cheri-research/cheri-cap-lib
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added delta value field

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This commit is contained in:
Akilan Selvacoumar
2026-02-17 13:49:05 +00:00
parent 27e63bd9fd
commit dc9fc2bd7d
64 changed files with 4754 additions and 36 deletions
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8
CHERICap.bsv
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@@ -119,7 +119,7 @@ endfunction
// XXX TODO augment with all architectural bounds/ repbounds ?
function Fmt showCHERICap (capT cap)
provisos (CHERICap #(capT , otypeW, flgW, addrW, inMemW, maskableW));
provisos (CHERICap #(capT , otypeW, flgW, addrW, inMemW, maskableW, delta));
return $format( "Valid: 0x%0x", isValidCap(cap)) +
$format(" Perms: 0x%0x", getPerms(cap)) +
$format(" Kind: ", fshow(getKind(cap))) +
@@ -153,8 +153,9 @@ typeclass CHERICap #( type capT // type of the CHERICap capability
, numeric type addrW // width of the address
, numeric type inMemW // width of the capability in mem
, numeric type maskableW // width of maskable bits
, numeric type delta // size of delta (tlb bypass)
)
dependencies (capT determines (otypeW, flgW, addrW, inMemW, maskableW));
dependencies (capT determines (otypeW, flgW, addrW, inMemW, maskableW, delta));
// capability validity
//////////////////////////////////////////////////////////////////////////////
@@ -320,6 +321,9 @@ typeclass CHERICap #( type capT // type of the CHERICap capability
// the null capability (requires a dummy proxy)
function capT nullCapFromDummy (capT dummy);
// define set delta function
function capT setDeltaValue (capT cap, Bit #(delta) length);
// Assert that the encoding is valid
//////////////////////////////////////////////////////////////////////////////