src/sys/dev/gfb, branch release/5.4.0

MFC: /- and my license changes for sys/[a-d]

2005-01-30T01:00:13+00:00

Update for the KDB framework. Sanitize the alpha console code now that

2004-07-10T22:29:41+00:00

it's in the way even more. Basicly: remove all alpha specific console
support from gfb(4), sio(4) and syscons(4). Rewrite the alpha console
initialization to be identical to all other platforms. In a nutshell:
call cninit().
The platform specific code now only sets or clears RB_SERIAL and thus
automaticly causes the right console to be selected.

sio.c:
o  Replace the remote GDB hacks and use the GDB debug port interface
   instead.
o  Make debugging code conditional upon KDB instead of DDB.
o  Call kdb_alt_break() instead of db_alt_break().
o  Call kdb_enter() instead of breakpoint().
o  Remove the ugly compatibility of using the console as the debug
   port.

Do the dreaded s/dev_t/struct cdev */

2004-06-16T09:47:26+00:00

Bump __FreeBSD_version accordingly.

Convert callers to the new bus_alloc_resource_any(9) API.

2004-03-17T17:50:55+00:00

Submitted by:	Mark Santcroos 
Reviewed by:	imp, dfr, bde

Catch a few places where NULL (pointer) was used where 0 (integer) was

2003-12-23T02:36:43+00:00

expected.

Change fb_attach() and fb_detach() to take a integer unit number rather

2003-09-26T10:41:44+00:00

than a dev_t.

All of the dev_t's passed were bogusly created with makedev()

Use __FBSDID().

2003-08-24T17:55:58+00:00

Also some minor style cleanups.

Prefer new location of pci include files (which have only been in the

2003-08-22T06:00:27+00:00

tree for two or more years now), except in a few places where there's
code to be compatible with older versions of FreeBSD.

- Add vm_paddr_t, a physical address type. This is required for systems

2003-03-25T00:07:06+00:00

  where physical addresses larger than virtual addresses, such as i386s
  with PAE.
- Use this to represent physical addresses in the MI vm system and in the
  i386 pmap code.  This also changes the paddr parameter to d_mmap_t.
- Fix printf formats to handle physical addresses >4G in the i386 memory
  detection code, and due to kvtop returning vm_paddr_t instead of u_long.

Note that this is a name change only; vm_paddr_t is still the same as
vm_offset_t on all currently supported platforms.

Sponsored by:	DARPA, Network Associates Laboratories
Discussed with:	re, phk (cdevsw change)

Cleanup of the d_mmap_t interface.

2003-02-25T03:21:22+00:00

- Get rid of the useless atop() / pmap_phys_address() detour.  The
  device mmap handlers must now give back the physical address
  without atop()'ing it.
- Don't borrow the physical address of the mapping in the returned
  int.  Now we properly pass a vm_offset_t * and expect it to be
  filled by the mmap handler when the mapping was successful.  The
  mmap handler must now return 0 when successful, any other value
  is considered as an error.  Previously, returning -1 was the only
  way to fail.  This change thus accidentally fixes some devices
  which were bogusly returning errno constants which would have been
  considered as addresses by the device pager.
- Garbage collect the poorly named pmap_phys_address() now that it's
  no longer used.
- Convert all the d_mmap_t consumers to the new API.

I'm still not sure wheter we need a __FreeBSD_version bump for this,
since and we didn't guarantee API/ABI stability until 5.1-RELEASE.

Discussed with:		alc, phk, jake
Reviewed by:		peter
Compile-tested on:	LINT (i386), GENERIC (alpha and sparc64)
Runtime-tested on:	i386