diff options
Diffstat (limited to 'arch/mips/mipssim/sim_int.c')
| -rw-r--r-- | arch/mips/mipssim/sim_int.c | 87 | 
1 files changed, 0 insertions, 87 deletions
diff --git a/arch/mips/mipssim/sim_int.c b/arch/mips/mipssim/sim_int.c deleted file mode 100644 index 5c779be6f08..00000000000 --- a/arch/mips/mipssim/sim_int.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (C) 1999, 2005 MIPS Technologies, Inc.  All rights reserved. - * - *  This program is free software; you can distribute it and/or modify it - *  under the terms of the GNU General Public License (Version 2) as - *  published by the Free Software Foundation. - * - *  This program is distributed in the hope it will be useful, but WITHOUT - *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License - *  for more details. - * - *  You should have received a copy of the GNU General Public License along - *  with this program; if not, write to the Free Software Foundation, Inc., - *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - */ -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/kernel_stat.h> -#include <asm/mips-boards/simint.h> -#include <asm/irq_cpu.h> - -static inline int clz(unsigned long x) -{ -	__asm__( -	"	.set	push					\n" -	"	.set	mips32					\n" -	"	clz	%0, %1					\n" -	"	.set	pop					\n" -	: "=r" (x) -	: "r" (x)); - -	return x; -} - -/* - * Version of ffs that only looks at bits 12..15. - */ -static inline unsigned int irq_ffs(unsigned int pending) -{ -#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) -	return -clz(pending) + 31 - CAUSEB_IP; -#else -	unsigned int a0 = 7; -	unsigned int t0; - -	t0 = s0 & 0xf000; -	t0 = t0 < 1; -	t0 = t0 << 2; -	a0 = a0 - t0; -	s0 = s0 << t0; - -	t0 = s0 & 0xc000; -	t0 = t0 < 1; -	t0 = t0 << 1; -	a0 = a0 - t0; -	s0 = s0 << t0; - -	t0 = s0 & 0x8000; -	t0 = t0 < 1; -	/* t0 = t0 << 2; */ -	a0 = a0 - t0; -	/* s0 = s0 << t0; */ - -	return a0; -#endif -} - -asmlinkage void plat_irq_dispatch(void) -{ -	unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM; -	int irq; - -	irq = irq_ffs(pending); - -	if (irq > 0) -		do_IRQ(MIPS_CPU_IRQ_BASE + irq); -	else -		spurious_interrupt(); -} - -void __init arch_init_irq(void) -{ -	mips_cpu_irq_init(); -}  | 
