Re: Any way to map physical address 0xe0000000?
"Alexandre Courbot" <[email protected]>
| Newsgroups | gmane.comp.micro-kernel.l4.l4ka.general |
|---|---|
| Message-ID | <[email protected]> |
> Yes, you're mistaken :-) -- sigma0 doesn't need to "touch" the memory before > mapping it to someone else. Sigma0 just sends a map IPC, which causes the > kernel to insert valid mappings into the receiver's address space. This is what I missed, indeed. Sorry about this, I have been disturbed by the fact sigma0 could not write to this memory. But mapping it to a valid address in another address space using sigma0 protocol works perfectly, as you and Espen stated. Thanks to the both of you! Alex.