BiriqIIE Stepping 9

• Fixing CSRFile and Memory Protection Unit

BiriqIIE Stepping 8

• Fix RCU to check for mem_block in certain cases
• Fix weak io not being fed to memory system.

BiriqIIE Stepping 7

• Enable I/O ordering to be selectable using MAUX
• Rename biriqBranchControl as MAUX.

BiriqIIE Stepping 6

• Make Data Cache write update instead of write invalidate with regards to the ACP.

BiriqIIE Stepping 5

• Addition of Physical Memory Protection at no extra cost to anyone who wants 0 PMP entries.

BiriqIIE Stepping 4

• Fix rcu_lock
• Allow interrupts to be taken on branch mispredicts/special instructions.

BiriqIIE Stepping 3

• FIx issues with mcounteren not preventing user-mode accesses.
• Fix instret counter not counting inc_commit1's.

BiriqIIE Stepping 2

Changes:

• Removed skid buffer from newStoreBuffer.sv, the skid buffer caused store forwarding to fail where the store buffer was stressed.
• Made multiplications/divisions conditional on packet_is_issueable
• Added protection from accessing I/O PMA regions for the instruction cache.

BiriqIIE Stepping 1

First working stepping.