From: Adrian M. <ad...@mc...> - 2001-11-19 22:29:27
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On Monday 19 Nov 2001 9:46 pm, M. R. Brown wrote: > * Adrian McMenamin <ad...@mc...> on Mon, Nov 19, 2001: > > At last I feel I am beginning to understand how to do this (write the > > sound driver) but I have a question about memory mapping, or rather > > wonder if soemone will confirm my understanding of the DC memory map - as > > there are a plethora of memory maps out there saying different things.... > > The best understanding comes from the SH7750 Hardware and Programming > manuals. The break down the SH4 memory space and MMU in *excrutiating* > detail. > > > The memory map appears to repeat itself over and over again, but the > > kernel is in the P1 area and (obviously) executes as privileged code with > > the bottom of system RAM at 0x80000000? > > Nope, it's 0x8c000000. Hmmm... I should learn to read. Many thanks for the rest of this too. |