Re: m68k cacheops header -- some questions
Hauke Fath <[email protected]> Fri, 14 Nov 2025 13:54:03 +0100
| Newsgroups | gmane.os.netbsd.ports.m68k |
|---|---|
| Organization | Lacking |
| Message-ID | <[email protected]> |
On Fri, 14 Nov 2025 21:28:03 +0900, Izumi Tsutsui wrote: > As you said, L1 D-cache on 030 should also be invalidated/flushed > on PREREAD. But I guess in most case all cached data in small > 256 byte D-cache are not preserved during complex DMA setup ops. >=20 > Furthermore, I wonder how many 030 models were there that had > "generic devices with modern drivers using MI bus_dma(9)". > (I see mac68k has NuBus Sonic Ethernet, but..) There is the Symbios 53c720 based 'Jackhammer' Nubus card, and a Qlogic=20 based one (sporting a Nubus-to-SBus bridge, no less). I have a=20 half-finished driver for the former, but haven't touched it in ages. ISTR the amiga port has support for Symbios based cards. Cheerio, Hauke --=20 Hauke Fath <[email protected]> Linn=E9weg 7 64342 Seeheim-Jugenheim Germany