Changes between Version 12 and Version 13 of GcnMemHandling


Ignore:
Timestamp:
12/01/17 13:00:30 (6 years ago)
Author:
trac
Comment:

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  • GcnMemHandling

    v12 v13  
    16161616<h3>Flat addressing</h3>
    16171617<p>By default, FLAT instructions read or write values from main memory.
    1618 Special register FLAT scratch defines size and offset of scratch buffer to access
     1618Special register FLAT_SCRATCH defines size and offset of scratch buffer to access
    16191619scratch space for current wave. Bit fields:</p>
    16201620<table>
     
    16361636</tbody>
    16371637</table>
     1638<p>In GCN 1.4 (GFX900, VEGA) architecture FLAT_SCRATCH is 64-bit address of scratch buffer.</p>
    16381639<p>The base addresses to access scratch and LDS must be given by driver to some user place.</p>
    16391640}}}