diff options
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme147/timer/timerisr.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme147/timer/timerisr.S b/c/src/lib/libbsp/m68k/mvme147/timer/timerisr.S new file mode 100644 index 0000000000..7debd13849 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mvme147/timer/timerisr.S @@ -0,0 +1,28 @@ +/* timer_isr() + * + * This routine provides the ISR for the PCC timer on the MVME147 + * board. The timer is set up to generate an interrupt at maximum + * intervals. + * + * MVME147 port for TNI - Telecom Bretagne + * by Dominique LE CAMPION (Dominique.LECAMPION@enst-bretagne.fr) + * May 1996 + * + * $Id$ + */ + +#include "asm.h" + +BEGIN_CODE + +.set T1_CONTROL_REGISTER, 0xfffe1018 | timer 1 control register + + PUBLIC (timerisr) +SYM (timerisr): + orb #0x80, T1_CONTROL_REGISTER | clear T1 int status bit + addql #1, SYM (Ttimer_val) | increment timer value +end_timerisr: + rte + +END_CODE +END |