/* *  arch/mips/philips/nino/int-handler.S * *  Copyright (C) 2001 Steven J. Hill (sjhill@realitydiluted.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * *  Interrupt exception dispatch code for Philips Nino */#include <asm/asm.h>#include <asm/mipsregs.h>#include <asm/regdef.h>#include <asm/stackframe.h>	/*	 * Here is the table of interrupts for the Philips Nino	 * which uses the Philips PR31700/Toshiba TMPR3912 core.	 *	 *   MIPS IRQ             Description	 *   --------	--------------------------------	 *       0	SW0 interrupt (unused)	 *       1	SW1 interrupt (unused)	 *       2	 *       3	 *       4	PR31700 low priority interrupts	 *       5	 *       6	PR31700 high priority interrupts	 *       7	 */	.text	.set	noreorder	.set	noat	.align	5	NESTED(ninoIRQ, PT_SIZE, sp)	SAVE_ALL	CLI	.set	at	mfc0	s0, CP0_CAUSE		# determine cause	andi	a0, s0, CAUSEF_IP6	beq	a0, zero, 1f	andi	a0, s0, CAUSEF_IP4	# delay slot	move    a0, sp	jal	irq6_dispatch	nop				# delay slot	j	ret_from_irq	nop				# delay slot1:	beq	a0, zero, 1f	nop				# delay slot	move	a0, sp	jal	irq4_dispatch	nop				# delay slot	j	ret_from_irq	nop				# delay slot1:	/* We should never get here */	move	a0, sp	j	irq_bad	nop	END(ninoIRQ)