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History log of /src/sys/arch/m68k/include/bus_dma.h
RevisionDateAuthorComments
 1.14  26-Sep-2023  tsutsui Remove trailing spaces and TABs.
 1.13  05-Dec-2021  msaitoh s/from from/from/ in comment.
 1.12  30-Jun-2011  wiz dependant -> dependent
 1.11  28-Apr-2008  martin Remove clause 3 and 4 from TNF licenses
 1.10  17-Oct-2007  garbled branches: 1.10.16; 1.10.18; 1.10.20;
Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree. Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches. The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.
 1.9  07-Jun-2007  tsutsui branches: 1.9.10;
Enable _pmap_set_page_cacheable(), _pmap_set_page_cacheinhibit() and
_pmap_page_is_cacheable() on all pmap_motorola.c ports and add
BUS_DMA_COHERENT support (from mvme68k) to common m68k bus_dma.c.

Tested with (not-yet-integrated) MI Sonic Ethernet driver on mac68k
http://mail-index.netbsd.org/port-mac68k/2007/06/07/0000.html
and ok'ed by thorpej.
 1.8  04-Mar-2007  christos branches: 1.8.2; 1.8.4; 1.8.10;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.7  21-Feb-2007  mrg add a pair of new bus_dma(9) functions:
int _bus_dmatag_subregion(bus_dma_tag_t tag,
bus_addr_t min_addr,
bus_addr_t max_addr,
bus_dma_tag_t *newtag,
int flags)
void _bus_dmatag_destroy(bus_dma_tag_t tag)

that allow a (normally broken/limited) device to restrict the bus address
range it can talk to. this is used by bce(4) to limit DMA addresses to
1GB range, the maximum the chip can address.

all this is from Yorick Hardy <yhardy@uj.ac.za> with input from several
people on tech-kern.

XXX: bus_dma(9) needs an update still.
 1.6  11-Dec-2005  christos branches: 1.6.26;
merge ktrace-lwp.
 1.5  09-Mar-2005  matt branches: 1.5.4;
Add a dm_maxsegsz public member to bus_dmamap_t. This allows a user of the API
to select the maximum segment size for each bus_dmamap_load (up to the maxsegsz
supplied to bus_dmamap_create). dm_maxsegsz is reset to the value supplied to
bus_dmamap_create when the dmamap is unloaded.
 1.4  28-Aug-2004  thorpej branches: 1.4.4; 1.4.6;
De-__P
 1.3  04-Dec-2003  keihan netbsd.org -> NetBSD.org

All "netbsd.org" is now gone from src/sys/arch.
 1.2  28-Jan-2003  kent branches: 1.2.2;
Introduce BUS_DMA_NOCACHE, and bus_dmamem_map() of i386 supports it.
 1.1  10-Apr-2002  briggs branches: 1.1.2; 1.1.8;
bus_dma(9) pulled pretty much verbatim from next68k.
 1.1.8.2  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.1.8.1  10-Apr-2002  jdolecek file bus_dma.h was added on branch kqueue on 2002-06-23 17:37:40 +0000
 1.1.2.2  17-Apr-2002  nathanw Catch up to -current.
 1.1.2.1  10-Apr-2002  nathanw file bus_dma.h was added on branch nathanw_sa on 2002-04-17 00:03:29 +0000
 1.2.2.5  01-Apr-2005  skrll Sync with HEAD.
 1.2.2.4  21-Sep-2004  skrll Fix the sync with head I botched.
 1.2.2.3  18-Sep-2004  skrll Sync with HEAD.
 1.2.2.2  03-Sep-2004  skrll Sync with HEAD
 1.2.2.1  03-Aug-2004  skrll Sync with HEAD
 1.4.6.1  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.4.4.1  29-Apr-2005  kent sync with -current
 1.5.4.2  03-Sep-2007  yamt sync with head.
 1.5.4.1  26-Feb-2007  yamt sync with head.
 1.6.26.2  12-Mar-2007  rmind Sync with HEAD.
 1.6.26.1  27-Feb-2007  yamt - sync with head.
- move sched_changepri back to kern_synch.c as it doesn't know PPQ anymore.
 1.8.10.1  26-Jun-2007  garbled Sync with HEAD.
 1.8.4.1  11-Jul-2007  mjf Sync with head.
 1.8.2.1  09-Jun-2007  ad Sync with head.
 1.9.10.1  06-Nov-2007  matt sync with HEAD
 1.10.20.1  16-May-2008  yamt sync with head.
 1.10.18.1  18-May-2008  yamt sync with head.
 1.10.16.1  02-Jun-2008  mjf Sync with HEAD.

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