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#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: jal spurious_interrupt
j ret_from_irq
END(ev96100IRQ)
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