Peter Rugg
913d14406e
Add explicit PCC and cap JALRs
2021-05-26 16:24:41 +01:00
Peter Rugg
3b07a2a17c
Add revocation 3.0 bits
2021-04-29 16:02:30 +01:00
Peter Rugg
fcea5365f6
Initial implementation CLoadTags
...
This currently just loads in the data on cache miss, so won't help to reduce DRAM overhead, but will be forwards compatible and save on instructions in the revoker loop.
2021-04-08 17:08:15 +01:00
Peter Rugg
5b6e8d88f6
Add CSetEqualExact
2021-02-22 17:44:36 +00:00
Jessica Clarke
7eff218288
Replace enums-for-constants with structs wrapping a plain Bit#(n)
...
BSC does not play nicely with enums whose labels do not start at 0 and
increase linearly. Instead, in such cases, it generates a whole bunch of
conditions to "legalise" any read values, which causes an explosion of
logic in places like the ROB. Thus, use this ugly (but still typed)
alternative that, other than naming conventions enforced by BSC, looks
almost the same as an enum.
2020-07-15 03:16:24 +01:00
Peter Rugg
c406d357c9
Add CHERI+RVFI_DII grant codes and copyrights
2020-07-06 17:39:25 +01:00
Peter Rugg
c8e4a64128
Add sentries
2020-06-29 23:29:08 +01:00
Peter Rugg
7c0dad18d6
Deal with separate kinds of sealing more explicitly
2020-05-13 12:02:03 +01:00
jon
d3e0908785
Check PCC bounds in rename.
2020-04-28 19:08:07 +01:00
Peter Rugg
28c09ef1df
Factor out SCR definitions
2020-04-23 13:15:26 +01:00
Peter Rugg
7db3fa539f
Add ALU bounds check
2020-04-20 11:21:51 +01:00
Peter Rugg
f1e04486b7
Work on SCR-related instructions
2020-04-16 20:53:08 +01:00
Peter Rugg
34c4e0f2fa
Comment out user exception delegation SCRs since the corresponding CSRs are not yet supported
2020-04-16 20:43:44 +01:00
jon
850e632140
Changes for CJALR to work in a basic case, as well as piping CHERI exceptions through to commit, though the register isn't piped and I've undone some useful work for that piping. Oh well.
2020-04-06 18:18:05 +01:00
Peter Rugg
4ce8f54903
Add initial exception checks
2020-04-06 12:26:19 +01:00
Jonathan Woodruff
db41e2b9ed
An initial implementation of mccsr.
2020-03-27 17:47:02 +00:00
Jonathan Woodruff
c035f359e8
Merge branch 'CHERI' into pdr32-tmp
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and get it to build!
2020-03-26 18:03:58 +00:00
Jonathan Woodruff
a299a763ed
Add a special capability register file and pass it's interfaces to all the places that the current CSR file goes.
...
We may need to trim some of these later, but most of them seem like places that we'll need access.
2020-03-23 10:10:11 +00:00
Jonathan Woodruff
c97ee15851
A couple initial files with beginnings of CHERI support.
2020-03-20 15:34:18 +00:00
