# Revision history

Revision history

| **Revision** | **Date** | **Description** |
| --- | --- | --- |
| AA | September 2024 | <ul class="simple"><br><li><p>allocframe instruction updated to support stack frames greater than 16 KB</p></li><br><li><p>Added VTCM window exception</p></li><br><li><p>Added DMA exceptions</p></li><br><li><p>Stack overflow exception sends info to BADVA instead of VA</p></li><br><li><p>Added USR.FPCOPROC field</p></li><br><li><p>Added non allocating stores</p></li><br><li><p>Added non allocating dcfetch and dczero</p></li><br><li><p>Removed tlbmatch instruction from PRM</p></li><br><li><p>New UPMUCNT registers</p></li><br></ul> |
| AB | December 2024 | <ul class="simple"><br><li><p>Added <a href="https://docs.qualcomm.com/doc/80-N3040-23/topic/registers.html#v79-tbl-user-status-register"><span class="std std-ref">USR.NPC bit</span></a> for non performance critical feature</p></li><br></ul> |

Last Published: Oct 06, 2026

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