I have a problem loading agp. Every time I do load it at boot from rc.conf and do a startx the machine hard locks. So I decided to check the source code and maybe make some modifications. I have an epox 8rda with the nforce 2 chipset, and a radeon 8500. I am running 5.1.
I noticed in the driver for my chipset(agp_nvidia.c) "wbc_mask" was coming up, and it was only in 1 driver, mine. I checked for it in all related files and have found:
"#define AGP_NVIDIA_1_WBC 0xf0" in agpreg.h,
"#define PCIM_BRIO_MASK 0xf" in pcireg.h.
Would anyone know if BRIO_MASK = Base Register In Out_MASK, and what does PCIM and WBC mean? This is the first driver I have worked on or with and I am seeing allot of stuff that must be standard in linux(that is where agp_nvidia.c comes from) because it just does not look like other bsd code in the other agp drivers I have compared it too. Although I have also heard that the drivers nvidia writes for linux are pretty bad, I think they were referring to the style not the quality if I remember correctly.
Thanks,
Jason
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