On Tue, Nov 20, 2012 at 11:31:38PM -0800, Yinghai Lu wrote:
[..]
> + /* avoid cross GB boundary */
> + align = real_mode->kernel_alignment;
> + addr = locate_hole(info, size, align, 0x100000, -1, -1);
> + if (addr == ULONG_MAX)
> + die("can not load bzImage64");
> + /* same GB ? */
> + while ((addr >> 30) != ((addr + size - 1) >> 30)) {
> + addr = locate_hole(info, size, align, 0x100000,
> + round_down(addr + size - 1, (1UL<<30)), -1);
> + if (addr == ULONG_MAX)
> + die("can not load bzImage64");
> + }
> + dbgprintf("Found kernel buffer at %lx size %lx\n", addr, size);
Where does this limitation of not loading kernel across GB boundary come
from?
Vivek
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