Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- 04[22:57] <wpyh> mcuelenaere: I saw some progress on the vx747 port
- [22:57] <wpyh> does RB now run on it?
- 01[22:57] <mcuelenaere> nah
- 01[22:57] <mcuelenaere> the MMU is killing me :/
- [22:58] <wpyh> why?
- 01[22:58] <mcuelenaere> I really hate it and just want to get rid of it
- 01[22:58] <mcuelenaere> it gives me TLB errors
- [22:58] <wpyh> AFAIK RB doesn't use the MMU
- 01[22:58] <mcuelenaere> exactly
- [22:58] <wpyh> scorche: well, maybe next time then
- 01[22:58] <mcuelenaere> MIPS uses a TLB with 32 items
- [22:59] <wpyh> or... should we make a MMU-less and MMU-ful RB versions?
- 01[22:59] <mcuelenaere> and whenever a memory location isn't in one of those, the processor does an interrupt requesting for a refill
- 01[22:59] <mcuelenaere> but the problem is I don't want to refill it
- 01[22:59] <mcuelenaere> + it seems to give TLB errors on the framebuffer :/
- 04[22:59] <wpyh> mcuelenaere: can we disable the MMU?
- 01[22:59] <mcuelenaere> I tried, but it didn't work
- 01[22:59] <mcuelenaere> if I just had some more documentation
- 06[22:59] * wpyh is not too familiar with that
- 01[22:59] <mcuelenaere> like JzRISC
- 01[23:00] <mcuelenaere> neither am I :/
- 01[23:00] <mcuelenaere> the docs I have document all the other chips in the SoC, but not the processor itself
- [23:00] <gevaerts> Am I the only one who doesn't see the point of FS#9346 ?
- 04[23:01] <wpyh> mcuelenaere: for the time being, can we ignore those interrupts?
- 01[23:02] <mcuelenaere> no, then all the others are ignored too
- 01[23:02] <mcuelenaere> I think
- 01[23:02] <mcuelenaere> and we need them
- 06[23:02] * wpyh doesn't understand why...
- 01[23:02] <mcuelenaere> you don't understand why we need interrupts?
- 01[23:02] <mcuelenaere> because a lot of code is based on it
- 01[23:03] <mcuelenaere> s/based/dependant/
- 01[23:03] <mcuelenaere> like the current_tick
- [23:03] <wpyh> uh, I mean
- [23:03] <wpyh> can we ignore all such interrupts (that are raised because of the TLB miss)
- [23:04] <gevaerts> Is this development talk?
- 01[23:04] <mcuelenaere> yes, perhaps this should be moved to #rockbox
- [23:04] <wpyh> gevaerts: more like a lesson in OS design
- [23:04] <wpyh> :p
- [23:04] <gevaerts> wpyh: make sure the resulting OS doesn't have a name with rocks in it?
- [23:04] <gevaerts> s/?/:)/
- [23:05] <wpyh> :p
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement