- ulong uic1_msr;
- ulong msr_shift;
- int vec;
-
- /*
- * Read masked interrupt status register to determine interrupt source
- */
- uic1_msr = mfdcr(uic1msr);
- msr_shift = uic1_msr;
- vec = 0;
-
- while (msr_shift != 0) {
- if (msr_shift & 0x80000000) {
- /*
- * Increment irq counter (for debug purpose only)
- */
- irq_vecs1[vec].count++;
-
- if (irq_vecs1[vec].handler != NULL) {
- /* call isr */
- (*irq_vecs1[vec].handler)(irq_vecs1[vec].arg);
- } else {
- mtdcr(uic1er, mfdcr(uic1er) & ~(0x80000000 >> vec));
- printf ("Masking bogus interrupt vector (uic1) 0x%x\n", vec);
- }
-
- /*
- * After servicing the interrupt, we have to remove the status indicator.
- */
- mtdcr(uic1sr, (0x80000000 >> vec));
- }
-
- /*
- * Shift msr to next position and increment vector
- */
- msr_shift <<= 1;
- vec++;
- }