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Deal with separate kinds of sealing more explicitly

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This commit is contained in:
Peter Rugg
2020-05-13 11:42:57 +01:00
parent a6fd7acf3e
commit 7c0dad18d6
5 changed files with 36 additions and 27 deletions
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8
src_Core/ISA/ISA_Decls_CHERI.bsv
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@@ -104,7 +104,7 @@ endfunction
function CapPipe update_scr_via_csr (CapPipe old_scr, WordXL new_csr);
let new_scr = setOffset(old_scr, new_csr);
let ret = new_scr.value;
if (!new_scr.exact || isSealed(old_scr)) begin
if (!new_scr.exact || (getKind(old_scr) != UNSEALED)) begin
ret = setValidCap(ret, False);
end
return ret;
@@ -224,3 +224,9 @@ Bit #(3) w_SIZE_MAX = f3_SD;
`endif
Bit #(3) f3_AMO_CAP = w_SIZE_CAP;
// Special cases of Otypes that are extended to XLEN
Bit #(XLEN) otype_unsealed_ext = -1;
Bit #(XLEN) otype_sentry_ext = -2;
Bit #(XLEN) otype_res0_ext = -3;
Bit #(XLEN) otype_res1_ext = -4;