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Default branch: MAIN
Current tag: netbsd-1-5
Revision 18.104.22.168 / (download) - annotate - [select for diffs], Sat Sep 30 01:47:17 2000 UTC (20 years, 6 months ago) by mhitch
CVS Tags: netbsd-1-5-RELEASE, netbsd-1-5-PATCH003, netbsd-1-5-PATCH002, netbsd-1-5-PATCH001, netbsd-1-5-BETA2, netbsd-1-5-BETA
Changes since 1.9: +3 -3 lines
Diff to previous 1.9 (colored) next main 1.10 (colored)
Pull up rev 1.10 [approved by thorpej]. Set the boundary to NBPG for bus_dmamap_create(). The IOASIC DMA segment can not cross a page boundary. This fixes a problem when a dump(8) buffer just crossed a page boundary and bus_dmamap_load() would coalesce the the overlap onto the first segment. The NEXTPTR value would get set to -1 when starting the DMA transfer and the residual data for unaligned transfers would be copied to physical address 0x1ffffffc. On the R3000, this would result in corrupted data, and on the R4000 would usually result in a hard system hang.
Revision 1.9 / (download) - annotate - [select for diffs], Wed Jun 7 10:09:19 2000 UTC (20 years, 10 months ago) by nisimura
CVS Tags: netbsd-1-5-base, netbsd-1-5-ALPHA2
Branch point for: netbsd-1-5
Changes since 1.8: +53 -68 lines
Diff to previous 1.8 (colored)
- Take care of dm_segs.dm_len value whenever the offset is adjusted. Known not working well for 4MAX+ this moment. - White spacing.
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