[LinuxBIOS] RESEND: patch: fix the problem with CONFIG_CONSOLE_VGA not pulling in the emulator
duwe at lst.de
Sat Jan 5 17:42:06 CET 2008
Here's the full story, which I'm hoping to address all related problems with.
We agreed that a VGA console and the need to run any option ROMs is mutually
not strictly dependent, Luc's problem was that LBv2 code doesn't reflect
that. There are 6 combinations:
* Console may be on VGA or not (e.g. serial)
* LB might run
- no option ROMs
- only VGA option ROMs
- all option ROMs
The combination "no option ROMs" / "VGA console" currently does not compile;
Ron fixed that.
I would now additionally introduce CONFIG_VGA_ROM_RUN, to map all 6
combinations. The implicit (broken) assumption that CONSOLE_VGA would also
run the ROMs is lifted, and transferred to this new config option instead;
the source code becomes less ambiguous.
This change is minimally intrusive, because all board configs that previously
assumed CONSOLE_VGA would also run the ROMs didn't compile, they had to also
specify PCI_ROM_RUN, so this new option only offers 2 new opportunities which
didn't work before or were impossible to specify, respectively.
This part combines Luc's and Ron's patches, and adds the new option to
Signed-off-by: Torsten Duwe <duwe at lst.de>
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