> -----Original Message----- > From: Avi Kivity [mailto:a...@redhat.com] > Sent: Tuesday, October 09, 2012 10:31 PM > To: Bhushan Bharat-R65777 > Cc: Andreas Färber; ag...@suse.de; qemu-...@nongnu.org; qemu-devel@nongnu.org > Subject: Re: [PATCH 2/3] e500: Adding CCSR memory region > > On 10/09/2012 06:57 PM, Bhushan Bharat-R65777 wrote: > > > > > >> -----Original Message----- > >> From: Avi Kivity [mailto:a...@redhat.com] > >> Sent: Tuesday, October 09, 2012 10:24 PM > >> To: Bhushan Bharat-R65777 > >> Cc: Andreas Färber; ag...@suse.de; qemu-...@nongnu.org; > >> qemu-devel@nongnu.org > >> Subject: Re: [PATCH 2/3] e500: Adding CCSR memory region > >> > >> On 10/09/2012 06:45 PM, Bhushan Bharat-R65777 wrote: > >> > > >> > What about adding a API: > >> > void sysbus_mmio_map_to_mr(SysBusDevice *dev, int n, target_phys_addr_t > addr, > >> > MemoryRegion *mr) { > >> > assert(n >= 0 && n < dev->num_mmio); > >> > > >> > if (dev->mmio[n].addr == addr) { > >> > /* ??? region already mapped here. */ > >> > return; > >> > } > >> > if (dev->mmio[n].addr != (target_phys_addr_t)-1) { > >> > /* Unregister previous mapping. */ > >> > memory_region_del_subregion(mr, dev->mmio[n].memory); > >> > } > >> > dev->mmio[n].addr = addr; > >> > memory_region_add_subregion(mr, addr, dev->mmio[n].memory); } > >> > > >> > >> I think you can just use sysbus_mmio_get_region(). There are plenty > >> of other users, so there's precedent. > > > > You mean something like this : memory_region_add_subregion(mr, addr, > > sysbus_mmio_get_region(dev, 0); > > > > Ok, but this will still not resolve the issue of not setting the "dev- > >mmio[n].addr", no ? > > Correct. But there are 20 uses already, so it can't matter much. If someone > wants to fix them, they can write a new API and do a sweep. > > But really, sysbus just needs to go away. It's pointless to give it more and > more features.
Ok Thanks -Bharat > > > -- > error compiling committee.c: too many arguments to function