From 153ef95e7a9c6ae248998ba390b911bc27f4f553 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 7 Aug 2007 18:40:06 +0100 Subject: [MIPS] MIPSsim: Delete old file that survived moving around in the tree. Signed-off-by: Ralf Baechle --- arch/mips/mips-boards/sim/sim_int.c | 88 ------------------------------------- 1 file changed, 88 deletions(-) delete mode 100644 arch/mips/mips-boards/sim/sim_int.c (limited to 'arch/mips/mips-boards') diff --git a/arch/mips/mips-boards/sim/sim_int.c b/arch/mips/mips-boards/sim/sim_int.c deleted file mode 100644 index 766e0159ee5b..000000000000 --- a/arch/mips/mips-boards/sim/sim_int.c +++ /dev/null @@ -1,88 +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 -#include -#include -#include -#include -#include -#include - -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(); -} -- cgit v1.2.3