Re: [Qemu-devel] [PATCH] exec.c: Fix subpage memory access to RAM MemoryRegion

[Avi Kivity]

On 11/29/2011 02:47 PM, Andreas Färber wrote:
> >  
> >      addr += mmio->region_offset[idx];
> >      idx = mmio->sub_io_index[idx];
> > +    if (unlikely(idx == IO_MEM_RAM)) {
> > +        ram_addr_t raddr = /*mmio->base |*/ addr;
> > +        void *ptr = qemu_get_ram_ptr(raddr);
>
> ...and/or this seems to lead to "Bad RAM pointer" (or so) when there's
> ELF code loaded into the subpage at that address despite being IO_MEM_RAM?
> (Seen, e.g., if for RL78 I increase the page size from 12 to 16.)
>

addr is relative to the start of the page, instead of the start of the
region.  You can use mmio->region_offset[idx] to compensate.

-- 
error compiling committee.c: too many arguments to function