[bikeshed] Re: Qemu Memory issue
- From: Sean Congden <stc4700@xxxxxxx>
- To: bikeshed@xxxxxxxxxxxxx
- Date: Thu, 24 May 2012 00:04:19 -0400
Pro tip: serial.h + serial_printf :)
On Thursday, May 24, 2012 at 24:02, Christopher Hossenlopp wrote:
> I miss c_printf. :(
>
> On May 23, 2012, at 11:02 PM, WALTER LITWINCZYK (RIT Student) wrote:
> > To follow up on the heap question:
> >
> > Processes don't really have a notion of heap right now. They're given the
> > bare minimum. So if you want to map something into a user process the
> > easier way is have a system call and then call __virt_map_page() to where
> > you want to map stuff and that should map it into whatever process called
> > it.
> >
> > Otherwise if you want to map into another process from the current process
> > you'd have to search all the processes and then call
> > __virt_switch_page_directory() with the pcb->page_directory field of the
> > pcb you found and then do the mapping, don't forget to map back with
> > __virt_switch_page_directory(_current->page_directory) before you return
> > >
> >
>
Other related posts:
