diff options
Diffstat (limited to 'qemu/roms/ipxe/src/arch/i386/core/rdtsc_timer.c')
-rw-r--r-- | qemu/roms/ipxe/src/arch/i386/core/rdtsc_timer.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/qemu/roms/ipxe/src/arch/i386/core/rdtsc_timer.c b/qemu/roms/ipxe/src/arch/i386/core/rdtsc_timer.c index 2f31afc66..e720a239c 100644 --- a/qemu/roms/ipxe/src/arch/i386/core/rdtsc_timer.c +++ b/qemu/roms/ipxe/src/arch/i386/core/rdtsc_timer.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /** @file * @@ -27,7 +31,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #include <assert.h> #include <ipxe/timer.h> -#include <ipxe/timer2.h> +#include <ipxe/pit8254.h> /** * Number of TSC ticks per microsecond @@ -56,10 +60,10 @@ static void rdtsc_udelay ( unsigned long usecs ) { elapsed = ( currticks() - start ); } while ( elapsed < ( usecs * rdtsc_ticks_per_usec ) ); } else { - /* Not yet calibrated; use timer2 and calibrate + /* Not yet calibrated; use 8254 PIT and calibrate * based on result. */ - timer2_udelay ( usecs ); + pit8254_udelay ( usecs ); elapsed = ( currticks() - start ); rdtsc_ticks_per_usec = ( elapsed / usecs ); DBG ( "RDTSC timer calibrated: %ld ticks in %ld usecs " |