| #include <asm/asm.h> |
| #include <asm/mipsregs.h> |
| #include <asm/regdef.h> |
| #include <asm/stackframe.h> |
| |
| .set noat |
| .align 5 |
| |
| NESTED(ev96100IRQ, PT_SIZE, sp) |
| SAVE_ALL |
| CLI # Important: mark KERNEL mode ! |
| |
| mfc0 t0, CP0_CAUSE # get pending interrupts |
| mfc0 t1, CP0_STATUS # get enabled interrupts |
| and t0, t1 # isolate allowed ones |
| |
| # FIX ME add R7000 extensions |
| andi t0,0xff00 # isolate pending bits |
| andi a0, t0, CAUSEF_IP7 |
| beq a0, zero, 1f |
| move a0, sp |
| jal mips_timer_interrupt |
| j ret_from_irq |
| |
| 1: beqz t0, 3f # spurious interrupt |
| |
| move a0, t0 |
| move a1, sp |
| jal ev96100_cpu_irq |
| j ret_from_irq |
| |
| 3: j spurious_interrupt |
| END(ev96100IRQ) |
