summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/no_cpu/no_bsp/clock/ckinit.c
diff options
context:
space:
mode:
Diffstat (limited to 'c/src/lib/libbsp/no_cpu/no_bsp/clock/ckinit.c')
-rw-r--r--c/src/lib/libbsp/no_cpu/no_bsp/clock/ckinit.c81
1 files changed, 64 insertions, 17 deletions
diff --git a/c/src/lib/libbsp/no_cpu/no_bsp/clock/ckinit.c b/c/src/lib/libbsp/no_cpu/no_bsp/clock/ckinit.c
index 426b55137b..e4e695ad82 100644
--- a/c/src/lib/libbsp/no_cpu/no_bsp/clock/ckinit.c
+++ b/c/src/lib/libbsp/no_cpu/no_bsp/clock/ckinit.c
@@ -16,8 +16,12 @@
#include <stdlib.h>
#include <rtems.h>
+#include <rtems/libio.h>
#include <bsp.h>
-#include <clockdrv.h>
+
+void Clock_exit( void );
+rtems_isr Clock_isr( rtems_vector_number vector );
+
/*
* The interrupt vector number associated with the clock tick device
@@ -30,6 +34,7 @@
* Clock_driver_ticks is a monotonically increasing counter of the
* number of clock ticks since the driver was initialized.
*/
+
volatile rtems_unsigned32 Clock_driver_ticks;
/*
@@ -43,27 +48,17 @@ volatile rtems_unsigned32 Clock_driver_ticks;
rtems_unsigned32 Clock_isrs; /* ISRs until next tick */
/*
- * The previous ISR on this clock tick interrupt vector.
+ * These are set by clock driver during its init
*/
-
-rtems_isr_entry Old_ticker;
+
+rtems_device_major_number rtems_clock_major = ~0;
+rtems_device_minor_number rtems_clock_minor;
/*
- * Clock_initialize
- *
- * Device driver entry point for clock tick driver initialization.
+ * The previous ISR on this clock tick interrupt vector.
*/
-rtems_device_driver Clock_initialize(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *pargp,
- rtems_id tid,
- rtems_unsigned32 *rval
-)
-{
- Install_clock( Clock_isr );
-}
+rtems_isr_entry Old_ticker;
/*
* Reinstall_clock
@@ -141,3 +136,55 @@ void Clock_exit( void )
/* XXX: If necessary, restore the old vector */
}
}
+
+/*
+ * Clock_initialize
+ *
+ * Device driver entry point for clock tick driver initialization.
+ */
+
+rtems_device_driver Clock_initialize(
+ rtems_device_major_number major,
+ rtems_device_minor_number minor,
+ void *pargp
+)
+{
+ Install_clock((rtems_isr_entry) Clock_isr);
+
+ /*
+ * make major/minor avail to others such as shared memory driver
+ */
+ rtems_clock_major = major;
+ rtems_clock_minor = minor;
+
+ return RTEMS_SUCCESSFUL;
+}
+
+rtems_device_driver Clock_control(
+ rtems_device_major_number major,
+ rtems_device_minor_number minor,
+ void *pargp
+)
+{
+ rtems_libio_ioctl_args_t *args = pargp;
+
+ if (args == 0)
+ goto done;
+
+ /*
+ * This is hokey, but until we get a defined interface
+ * to do this, it will just be this simple...
+ */
+
+ if (args->command == rtems_build_name('I', 'S', 'R', ' '))
+ {
+ Clock_isr(CLOCK_VECTOR);
+ }
+ else if (args->command == rtems_build_name('N', 'E', 'W', ' '))
+ {
+ ReInstall_clock(args->buffer);
+ }
+
+done:
+ return RTEMS_SUCCESSFUL;
+}