Cheri-research/Toooba
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0177c2cd6ed59b6150ecb73e5289cde72ca18ce4
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Author SHA1 Message Date
jon
0177c2cd6e Use the bounds of PCC to check legacy control flow instructions rather 
than the bounds of the newPCC after C(Set/Inc)Offset, which may have
become unrepresentable.
 2020-05-01 12:17:20 +01:00
jon
90d9d7cbc7 Move back to considering the instruction width when checking PCC. 2020-04-30 15:33:01 +01:00
Alexandre Joannou
b70498e00a Try new types to hold capabilities 2020-04-30 14:07:37 +01:00
jon
0b68498940 Fix interface with special capability register file trap handling. 
Call the correct trap function, and report the correct privilege level.
 2020-04-30 12:00:55 +01:00
Marno van der Maas
6dff23f30a Added BLUESPECDIR to read me 2020-04-30 11:56:13 +01:00
jon
44199a841b Only check the bounds of nextPc if the branch is taken... 2020-04-29 18:34:02 +01:00
jon
1439fe98c7 Fix 2 bugs. 
Restore from sepc on sret.
To "inclusive" bounds check on Jumps and Branches.
 2020-04-29 13:42:23 +01:00
jon
d3e0908785 Check PCC bounds in rename. 2020-04-28 19:08:07 +01:00
Marno van der Maas
68d4afa8c9 Added submodule update to read me 2020-04-28 14:58:35 +01:00
Marno van der Maas
1cf28c0d1d Added link to verilator build instructions 2020-04-28 14:41:01 +01:00
jon
ab6b8966db Bounds-check legacy jalr and br correctly. 2020-04-28 11:47:09 +01:00
jon
f63d55d4e5 Fix bug; consistently treat mepc as the offset of mepcc. 
Also remove PCC from the SCR file.
 2020-04-27 17:36:02 +01:00
Alexandre Joannou
e5b7ba6b13 Fixes to build with cap PCC for non RVFI-DII case 2020-04-27 16:48:34 +01:00
jon
d24750f0ec Bump the capability library. 2020-04-27 15:56:48 +01:00
Alexandre Joannou
1a3915d8a2 Fix display message when running the dependency script 2020-04-27 15:27:16 +01:00
jon
13d020cb9e Merge branch 'parallel-build' into CHERI 2020-04-27 15:19:05 +01:00
jon
5693af05e5 Changes to make PCC consistent. 
Specifically, attach the bounds to PC all the way back into the branch predictors.
 2020-04-27 15:13:36 +01:00
Alexandre Joannou
dfde021eb6 Avoid creation of outputfile on failure of dependency script + add beri license header 2020-04-24 15:09:04 +01:00
jon
b31c299da6 Merge branch 'parallel-build' of https://github.com/CTSRD-CHERI/Toooba into parallel-build 2020-04-24 11:48:15 +01:00
jon
6222ff6c9a Merge branch 'CHERI' into parallel-build 2020-04-24 11:47:27 +01:00
jon
2251457840 Implement target bounds-check for CJALR. 2020-04-23 17:54:18 +01:00
Peter Rugg
df7dde5759 Bump cheri-cap-lib 2020-04-23 15:44:47 +01:00
Alexandre Joannou
370ed61bc4 Integrate the generation of dependenices to Makefiles 2020-04-23 14:55:28 +01:00
Peter Rugg
28c09ef1df Factor out SCR definitions 2020-04-23 13:15:26 +01:00
jon
92e3216c69 Don't use special recursive build for the top level, as this just rebuilds everything. 2020-04-23 10:42:45 +01:00
Alexandre Joannou
aa79240629 generalise genDependencies a bit with env variables (no obvious getoptsin tcl AFAIK) 2020-04-23 02:04:19 +01:00
jon
f6b7132d4f Makefile updates to do a parallel build, including the tcl script to generate a dependency graph using the Bluespec compiler (which was written by Alexandre). 2020-04-22 22:44:19 +01:00
Peter Rugg
1859e86b4e Merge branch 'pdr32-wip' into HEAD 2020-04-22 18:11:37 +01:00
Peter Rugg
3b30d2db36 Add BuildCap unsealing 2020-04-22 15:52:23 +01:00
Peter Rugg
8cc8f71cb9 Perform bounds check on requested length rather than rounded length. 
This prevents issues with overflow in the top, and should be correct
based on the rounding used in the SetBounds function.
 2020-04-22 14:27:11 +01:00
Peter Rugg
a89a606a6d Factor out Opcodes and CSRs into separate files 2020-04-21 20:36:56 +01:00
Peter Rugg
3693326b62 Don't sign extend CSetBoundsImm immediate 2020-04-21 16:45:04 +01:00
Peter Rugg
8a4fa786dd Add CToPtr special case 2020-04-21 13:52:33 +01:00
Peter Rugg
1773530c72 Attempt to enable AUIPCC 2020-04-20 23:11:58 +01:00
Peter Rugg
923d4915cb Make SetBounds legal 2020-04-20 23:05:26 +01:00
Peter Rugg
8e01cf68df More concise FShow for CapChecks 2020-04-20 21:28:09 +01:00
Peter Rugg
b4be80eba1 Bounds Check fixes 2020-04-20 21:23:42 +01:00
Peter Rugg
7db3fa539f Add ALU bounds check 2020-04-20 11:21:51 +01:00
Marno van der Maas
b063497052 CHERI update to ReadMe 2020-04-18 09:47:56 +01:00
Peter Rugg
1bb53e5e86 Merge branch 'CHERI' into pdr32-wip 2020-04-16 20:58:37 +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
Peter Rugg
8269a0625e Initial implementation of set bounds 2020-04-16 20:39:54 +01:00
jon
4b2c3b1114 An attempt at doing the "right thing" with Jr targets and links with respect to PCC. 
This is not easy to test until we have CSetBounds.
 2020-04-16 18:07:39 +01:00
jon
a77ecc59af Checkpoint work to propagate register numbers into the exception code. 
There's another half of this left to do to propagate all the way into the CSR file.
 2020-04-16 17:28:28 +01:00
Jessica Clarke
3add2cac5e Move MakeReset0.v to src_bsc_lib_RTL like Piccolo and Flute 
This ensures it's shared across all simulator builds.
 2020-04-16 17:19:16 +01:00
Jessica Clarke
a2aee1969d verilator_config.vlt: Revert "fix" 
lint_off -rule is a very new feature that requires Verilator v4.026
released in Jan 2020, and is thus not in Ubuntu 18.04. Any breakage with
newer versions should be fixed in some other backwards-compatible way.
 2020-04-16 17:12:27 +01:00
jon
9bb3e835ac Fix operand of CCall. 
Also fix one case of CCopyType where it is meant to return nullWithAddr(-1).
 2020-04-16 11:38:38 +01:00
jon
c056d40a3a Trace the register that has been decoded rather than picking out the bits from the instruction. 
Duh.
 2020-04-15 14:08:36 +01:00
Peter Rugg
a0fb527ad7 Raise illegalInstruction for currently unsupported exceptions 2020-04-15 14:07:36 +01:00