On Wed, Jun 11, 2008 at 12:26 AM, Colin D Bennett <[EMAIL PROTECTED]> wrote: > I'm working on implementing a higher resolution timer using the x86 > TSC. However, this entails 64-bit arithmetic since on a 2GHz machine > it will overflow a 32-bit number every couple of seconds (the TSC > counter CPU cycles since boot). > > So to convert the TSC value into a value in milliseconds, I need to do > 64-bit division, but when I try to build GRUB now, I get > > undefined reference to `__udivdi3' > > Is this expected? Should it be possible for me to do division on > grub_uint64_t types? > > BTW, I'm trying to add it to the kernel image, if this makes a > difference.
Hi. You can use grub_divmod64, which is defined in kern/misc.c -- Bean _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
