Add ALU bounds check

2020-04-20 11:21:51 +01:00
parent 1bb53e5e86
commit 7db3fa539f
7 changed files with 159 additions and 33 deletions
--- a/src_Core/ISA/ISA_Decls_CHERI.bsv
+++ b/src_Core/ISA/ISA_Decls_CHERI.bsv
@@ -67,6 +67,9 @@ typedef struct {
    CHERIException cheri_exc_code;
 } CSR_XCapCause deriving(Bits, FShow);

+CSR_XCapCause noCapCause = CSR_XCapCause {cheri_exc_code: None,
+                                          cheri_exc_reg: unpack(0)};
+
 function Bit#(64) xccsr_to_word(CSR_XCapCause xccsr);
    return zeroExtend({xccsr.cheri_exc_reg, pack(xccsr.cheri_exc_code), 3'b0, 1'b1, 1'b1});
 endfunction