(currently only CD-ROM drives on i386). The sys/dev/scsipi system provides 2
busses to which devices can attach (scsibus and atapibus). This needed to
change some include files and structure names in the low level scsi drivers.
Add DDB interface to /sys/arch/mips/mips..
Rework heuristic stack traceback to work with DDB.
Add hooks to print exception log from DDB.
Add hooks from pmax console drivers: call Debugger()
after break from serial console, or 'DO' key from LK-xxx.
recovering from a possible race condition in sii_intr, read the active
target from the destat register, and set the softc state pointer
`state' appropriately. (This warning is in a block that prints a
warning message, and the warning message has _never_ been seen. The
bug is probably innocuous.)
Also addresses the `more thought needed' in the log message for rev. 1.12.
respectively), so console setup code can test forconfiguration of the
correct front-end (via NDC_DC and NDC_IOASIC, respectively).
Delete 'needs-flags' from dc.c. GC obsolete uses of NDC, "dc.h".
(The operator-precdence changes in 1.11 were pulled up in rev 1.14).
* If the chip asserts a SCSI-bus error (SII_BER) in sii_intr,
reset the SII_BER bit instead of ignoring it.
XXX SII_BER May need checking and resetting elsewhere.
Fixes broken blitting from rcons.
* Put back old 4.4bsd range test on cursor movement. 1.2 code is broken.
* Disable screensaver, it reportedly never comes back on properly.
needed. When sfbattach() initializes the fbinfo data, it was corrupting
data past the struct device data actually allocated. This does not appear
to have caused a problem in the past, but causes a problem with the new
setroot() changes by Jason.
Where CACHED_TO_HYS() is still needed for kernel-virtual-to-physical
or physical-to-uncached mapping (fb drivers), replace with
`#include <mips/cpuregs.h>'.
* dcparam() with normal tty t_param interface, which calls
* cold_dcparam() called with explicit dc7085 register address
and flags, which does the work and is also callable when cold,
to set up console (or kgdb) line parameters.
DEC dc503 cursor chip) into Decstation 2100,3100 cfattach front-end
and ``machine-independent'' back-end.
pm_ds.c: pmin/pmax cfattach front-end
pm.c: bt478, 503 back-end
pmvar.h: declarations of back-end normal and console attach
entry points.
use the pre-autoconfig cold serial-console inititialization entry
points from the bus-specific cfattach front-end code.
* Delete post-autoconfig code to switch from PROM output to kernel
driver for machines with dc serial chips.
cfattach front-end code:
dc_ds for the decstation 2100( pmin), 3100 (pmax), and 5100.
dc_ioasic for the decstation 5000/200 (3max) which does not have a
DEC TC-style IOCTL asic, but is configured as if it did.
* Add pre-autoconfig code initialization of kerenl dc driver console I/O
for remote serial consoles. The hack to use PROM serial I/O until the
dc device is autoconfigured is no longer necessary.
serial consoles to the 1.2 branch. Includes:
* dynamically allocated new-config softc
* remove dependencies on Decstation CPU type, use flags in softc instead.
* pass in values for softc flags (q.v.) from parent-specific attach code
* #ifdef out rts/cts flow control support until it's known to work on
200s.
* redo initialization of serial consoles (needs more work).
The Lite2 changes include:
* Remove the last vestiges of high-bit-set-means-delay for output chars.
* Handle the 2100/3100 having partial modem control on line 2 only,
whereas the 5000/200 has modem control signals on lines 2 and 3.
* Add RTS/CTS support for lines 2 and 3 on a 5000/200.
* Add more s = spltty(); splx(s); where needed but not present.
as a console, initalize as white-on-black so console messages are legible.
(Sean Davidson reports that rcons still messes up the display, perhaps
due to using the wrong pixel depth).
1. Start at the specified entry instead of entry 0.
2. Use the blue value instead of the green when setting the blue color entry.
3. Don't use the starting index again for storing the saved entry - the cmap
pointer was previously initialized using the starting index. This fixes
a hard hang on the maxine when console output is done after calls to
set the color map (usually by the X server).
* Add interrupt handler for 3MIN, where we cannot disable TC slot interrupts.
* Change mfbinit() signature to match other (pmax) TC framebuffer init
routines.
* TODO after 1.2: add {cfb,mbf,sfb}var.h. Declare init functions there.
message-in. The remaining transfer count restored when a device is
reselected needs to be saved. The saved value is needed to compute
the number of bytes transferred if another disconnect occurs. This
fixes a random read data corruption that occurs on certain disks that
may disconnect more than once in the middle of a DMA transfer.
Show proper inquiry data when version >= 1, not <= 1 (SCSI-2 devices
now display their inquiry infor).
Correct transfer length passed to dk_unbusy (b_resid hasn't been
updated yet).
configure properly. Also fix devices with TurboChannel and mainbus
attachments so they will work if no TurboChannel was configured.
Fix clock.c for a missing variable if not including NTP support.
Also remove some extraneous includes files or use the right ones.
configure properly. Also fix devices with TurboChannel and mainbus
attachments so they will work if no TurboChannel was configured.
Fix a panic when the dtop keyboard handler receieves a character
before the device has been opened.
update the 4.3bsd/Ultrix-compatible qvss-style mmap'ed framebuffer/input-event
code to use mips_round_page() et.al., not pmax_round_page().
Add explicit "int" return types to functions. Add prototyped forward
declarations.
Fix the the definitions of dtop cdevsw entry point functions to match
their declarations. Add explicit "int" declarations to functions.
Add prototyped declarations for all local functions.
Return zero from dtopstop().
Include the external declarations from dtopvar.h.
lukem