diff options
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc6xx/clock/c_clock.c')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc6xx/clock/c_clock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc6xx/clock/c_clock.c b/c/src/lib/libcpu/powerpc/mpc6xx/clock/c_clock.c index 7bdc1f7fe9..fd69920071 100644 --- a/c/src/lib/libcpu/powerpc/mpc6xx/clock/c_clock.c +++ b/c/src/lib/libcpu/powerpc/mpc6xx/clock/c_clock.c @@ -81,7 +81,10 @@ int decr; * The driver has seen another tick. */ do { + register uint32_t flags; + rtems_interrupt_disable(flags); asm volatile ("mfdec %0; add %0, %0, %1; mtdec %0":"=&r"(decr):"r"(Clock_Decrementer_value)); + rtems_interrupt_enable(flags); Clock_driver_ticks += 1; |