diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/pc386/console/vt.c')
| -rw-r--r-- | c/src/lib/libbsp/i386/pc386/console/vt.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/c/src/lib/libbsp/i386/pc386/console/vt.c b/c/src/lib/libbsp/i386/pc386/console/vt.c index 4a38f9deba..022cb5d461 100644 --- a/c/src/lib/libbsp/i386/pc386/console/vt.c +++ b/c/src/lib/libbsp/i386/pc386/console/vt.c @@ -18,6 +18,7 @@ #include <sys/types.h> #include <errno.h> +#include <bsp.h> #include <i386_io.h> #include <rtems.h> #include <rtems/kd.h> @@ -69,21 +70,21 @@ static void _kd_mksound(unsigned int hz, unsigned int ticks) { unsigned int count = 0; - rtems_interrupt_level level; + rtems_interrupt_lock_context lock_context; if (hz > 20 && hz < 32767) count = 1193180 / hz; - rtems_interrupt_disable(level); + rtems_interrupt_lock_acquire(&rtems_i386_i8254_access_lock, &lock_context); /* del_timer(&sound_timer); */ if (count) { /* enable counter 2 */ outb_p(inb_p(0x61)|3, 0x61); /* set command for counter 2, 2 byte write */ - outb_p(0xB6, 0x43); + outb_p(0xB6, TIMER_MODE); /* select desired HZ */ - outb_p(count & 0xff, 0x42); - outb((count >> 8) & 0xff, 0x42); + outb_p(count & 0xff, TIMER_CNTR2); + outb((count >> 8) & 0xff, TIMER_CNTR2); /* if (ticks) { @@ -94,7 +95,7 @@ _kd_mksound(unsigned int hz, unsigned int ticks) } else kd_nosound(0); - rtems_interrupt_enable(level); + rtems_interrupt_lock_release(&rtems_i386_i8254_access_lock, &lock_context); return; } |