#include #include #include #include #include #include #include extern asmlinkage void qemu_handle_int(void); asmlinkage void plat_irq_dispatch(struct pt_regs *regs) { unsigned int pending = read_c0_status() & read_c0_cause(); if (pending & 0x8000) { ll_timer_interrupt(Q_COUNT_COMPARE_IRQ, regs); return; } if (pending & 0x0400) { int irq = i8259_irq(); if (likely(irq >= 0)) do_IRQ(irq, regs); return; } } void __init arch_init_irq(void) { mips_hpt_frequency = QEMU_C0_COUNTER_CLOCK; /* 100MHz */ init_i8259_irqs(); set_c0_status(0x8400); }