wendy wrote:
hello,
I am very new to network device driver. My manager asked me to investigate if
my Solaris driver needs a [b]Real Mode[/b] network driver for x86 in addition
to GLDv2 driver.
Can someone give me clarification?
Under recent updates of Solaris 10 and newer, there are no longer any
real mode drivers.
If you want to support older releases of Solaris, then a real-mode
driver is required for x86, but only if you need to support diskless
booting over that network device.
At this point, I would not seriously consider writing a new real-mode
driver for *any* network device.
-- Garrett
Wendy
"Real-Mode refers to the operating mode of the 8086 processor in which each
program is given direct access to memory and peripheral devices. In Real-
Mode, only one program can run in memory at a time."
"Currently, limits on Solaris x86/x64 require any boot device to have a real mode driver, and
boots into that and then protected mode," DuBoff says. "This means that any device you
want to boot from, such as a disk, would need a real-mode driver in addition to the protected-mode
driver. That's a limitation--and not a good one." (OS/2 did a similar thing, DuBoff notes.)
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