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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.c12
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 "