Porting PCI board from Solaris Intel to Sparc

Our own PCI board which has been working on Solaris(8) Intel for years does not seem to be recognized by Solaris(8) for Sparc. At the prom level a show-devs shows the device ie: pci1234,5678 but booting with 'boot -rswv' does not. Two questions:
1. Is the process of scanning hardward and making entries in the /devices directory documented anywhere that I might access?
2. What might be different between Solaris-Intel and Solaris-Sparc when dealing with PCI devices?
The platform for our testing is an AXE-300 3 slot PCI Ultra Sparc.
Thanks in advance
[email protected]
(781)-482-1215

The 'prtconf -pv' command does show the presence of our board
pretty much matching what is displayed when running prtconf on
the Intel system with the exception that the Intel results under the
'compatible:' header shows a series of 32 bit hex values while the
Sparc output for 'compatible:' shows "'pci1234,5678' +
'pciclass,ff0000'".
Furthermore running:
truss -f -a add_drv -v -m '* 0666 root bin' -i '"pci1234,5678"' pixgen
seems to show the point of failure occurring in 'devfsadm -v -i pixgen'
as follows: (note I've cleaned up the output a bit for readability).
open("/devices/pseudo/devinfo@0:devinfo", O_RDONLY) = 5
ioctl(5, 0xDF81, 0xFFBEF8F8) Err#6 ENXIO
close(5)
devfsadm then returns an exit code=11 and reports that the driver
was 'successfully added ... but failed to attach'.
I added a number of trace statements to each entry point in the
driver using the cmn_err function and compiled for Intel and Sparc
and verified that the driver continued to work on Intel and indeed
showed each routine being entered but I never got even one line
of output on the Sparc. That presents a couple of questions.
1. I'm using an old compiler: Sun's CC workshop Compiler 4.2 30
Oct 1996 on both platforms. The Sparc platform is a sun4m (ss-10).
Is it possible that this old compiler is not generating proper code for
the sun4u platform? The compiler and linker switches are:
cc -xstrconst -DKERNEL -DDEBUG -DPIXGENDEBUG=255 -c driver.c
ld -r -m -o pixgen driver.o
pkgadd installs the driver as /usr/kernel/drv/pixgen
2. The driver installation using pkgadd places the following line in
/etc/devlink.tab: 'type=io;minor=pixgen0 pixgen'. Is this
possibly an issue?
Any help/insight would be much appreciated.
Thanks
Charlie Jack [email protected]
(781)-482-1215 (East Coast)

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