............................Figures


Figure 1-1 Possible device tree configurations	5
Figure 1-2 Example device trees	7
Figure 2-1 Sun-4 architecture VMEbus address spaces	20
Figure 2-2 Sun-4 architecture address mapping	35
Figure 4-1 Threads and lightweight processes	72
Figure 4-2 SunOS 4.x kernels on a multiprocessor	73
Figure 4-3 SunOS 5.x on a multiprocessor	74
Figure 5-1 Autoconfiguration Data Structures	86
Figure 7-1 The DMA Model	121
Figure 7-2 Caches	141
Figure 10-1 SCSA Block Diagram	191
Figure 11-1 Device context management	214
Figure 11-2 Device context switched to user process A	215