Computer Hardware Algorithm Standard User's Guide

6.2 Algorithm and Framework ........................................................................................ 62
6.3 Requirements for the Use of the DMA Resource ............................................................. 63
6.4 Logical Channel ................................................................................................... 63
6.5 Data Transfer Properties ......................................................................................... 64
6.6 Data Transfer Synchronization .................................................................................. 64
6.7 Abstract Interface .................................................................................................. 65
6.8 Resource Characterization ....................................................................................... 66
6.9 Runtime APIs ...................................................................................................... 67
6.10 Strong Ordering of DMA Transfer Requests ................................................................... 67
6.11 Submitting DMA Transfer Requests ............................................................................ 68
6.12 Device Independent DMA Optimization Guideline ............................................................ 68
6.13 C6xxx Specific DMA Rules and Guidelines .................................................................... 69
6.13.1 Cache Coherency Issues for Algorithm Producers ................................................. 69
6.14 C55x Specific DMA Rules and Guidelines ..................................................................... 70
6.14.1 Supporting Packed/Burst Mode DMA Transfers .................................................... 70
6.14.2 Minimizing Logical Channel Reconfiguration Overhead ........................................... 71
6.14.3 Addressing Automatic Endianism Conversion Issues ............................................. 71
6.15 Inter-Algorithm Synchronization ................................................................................. 71
6.15.1 Non-Preemptive System ............................................................................... 71
6.15.3 Preemptive System ..................................................................................... 72
A Rules and Guidelines ................................................................................................ 75
A.1 General Rules ..................................................................................................... 76
A.2 Performance Characterization Rules ........................................................................... 77
A.3 DMA Rules ......................................................................................................... 77
A.4 General Guidelines ................................................................................................ 78
A.5 DMA Guidelines ................................................................................................... 79
B Core Run-Time APIs ................................................................................................. 81
B.1 TI C-Language Run-Time Support Library ..................................................................... 82
B.2 DSP/BIOS Run-time Support Library ........................................................................... 82
C Bibliography ............................................................................................................ 83
C.1 Books ............................................................................................................... 83
C.2 URLS ................................................................................................................ 83
D Glossary .................................................................................................................. 85
D.1 Glossary of Terms ................................................................................................. 85
SPRU352G – June 2005 – Revised February 2007 Contents 5
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