diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/sgi/kernel/indy_sc.c | 137 |
1 files changed, 68 insertions, 69 deletions
diff --git a/arch/mips/sgi/kernel/indy_sc.c b/arch/mips/sgi/kernel/indy_sc.c index b41620c93..8a8c95a4d 100644 --- a/arch/mips/sgi/kernel/indy_sc.c +++ b/arch/mips/sgi/kernel/indy_sc.c @@ -1,8 +1,7 @@ -/* $Id: indy_sc.c,v 1.14 2000/03/25 22:35:07 ralf Exp $ - * +/* * indy_sc.c: Indy cache managment functions. * - * Copyright (C) 1997 Ralf Baechle (ralf@gnu.org), + * Copyright (C) 1997, 2001 Ralf Baechle (ralf@gnu.org), * derived from r4xx0.c by David S. Miller (dm@engr.sgi.com). */ #include <linux/init.h> @@ -34,30 +33,30 @@ static inline void indy_sc_wipe(unsigned long first, unsigned long last) { unsigned long tmp; - __asm__ __volatile__(" - .set noreorder - .set mips3 - .set noat - mfc0 %2, $12 - li $1, 0x80 # Go 64 bit - mtc0 $1, $12 - - dli $1, 0x9000000080000000 - or %0, $1 # first line to flush - or %1, $1 # last line to flush - .set at - -1: sw $0, 0(%0) - bne %0, %1, 1b - daddu %0, 32 - - mtc0 %2, $12 # Back to 32 bit - nop; nop; nop; nop; - .set mips0 - .set reorder" - : "=r" (first), "=r" (last), "=&r" (tmp) - : "0" (first), "1" (last) - : "$1"); + __asm__ __volatile__( + ".set\tnoreorder\t\t\t# indy_sc_wipe\n\t" + ".set\tmips3\n\t" + ".set\tnoat\n\t" + "mfc0\t%2, $12\n\t" + "li\t$1, 0x80\t\t\t# Go 64 bit\n\t" + "mtc0\t$1, $12\n\t" + + "dli\t$1, 0x9000000080000000\n\t" + "or\t%0, $1\t\t\t# first line to flush\n\t" + "or\t%1, $1\t\t\t# last line to flush\n\t" + ".set\tat\n\t" + + "1:\tsw\t$0, 0(%0)\n\t" + "bne\t%0, %1, 1b\n\t" + "daddu\t%0, 32\n\t" + + "mtc0\t%2, $12\t\t\t# Back to 32 bit\n\t" + "nop; nop; nop; nop;\n\t" + ".set\tmips0\n\t" + ".set\treorder" + : "=r" (first), "=r" (last), "=&r" (tmp) + : "0" (first), "1" (last) + : "$1"); } static void indy_sc_wback_invalidate(unsigned long addr, unsigned long size) @@ -96,27 +95,27 @@ static void indy_sc_enable(void) #ifdef DEBUG_CACHE printk("Enabling R4600 SCACHE\n"); #endif - __asm__ __volatile__(" - .set push - .set noreorder - .set mips3 - mfc0 %2, $12 - nop; nop; nop; nop; - li %1, 0x80 - mtc0 %1, $12 - nop; nop; nop; nop; - li %0, 0x1 - dsll %0, 31 - lui %1, 0x9000 - dsll32 %1, 0 - or %0, %1, %0 - sb $0, 0(%0) - mtc0 $0, $12 - nop; nop; nop; nop; - mtc0 %2, $12 - nop; nop; nop; nop; - .set pop" - : "=r" (tmp1), "=r" (tmp2), "=r" (addr)); + __asm__ __volatile__( + ".set\tpush\n\t" + ".set\tnoreorder\n\t" + ".set\tmips3\n\t" + "mfc0\t%2, $12\n\t" + "nop; nop; nop; nop;\n\t" + "li\t%1, 0x80\n\t" + "mtc0\t%1, $12\n\t" + "nop; nop; nop; nop;\n\t" + "li\t%0, 0x1\n\t" + "dsll\t%0, 31\n\t" + "lui\t%1, 0x9000\n\t" + "dsll32\t%1, 0\n\t" + "or\t%0, %1, %0\n\t" + "sb\t$0, 0(%0)\n\t" + "mtc0\t$0, $12\n\t" + "nop; nop; nop; nop;\n\t" + "mtc0\t%2, $12\n\t" + "nop; nop; nop; nop;\n\t" + ".set\tpop" + : "=r" (tmp1), "=r" (tmp2), "=r" (addr)); } static void indy_sc_disable(void) @@ -126,27 +125,27 @@ static void indy_sc_disable(void) #ifdef DEBUG_CACHE printk("Disabling R4600 SCACHE\n"); #endif - __asm__ __volatile__(" - .set push - .set noreorder - .set mips3 - li %0, 0x1 - dsll %0, 31 - lui %1, 0x9000 - dsll32 %1, 0 - or %0, %1, %0 - mfc0 %2, $12 - nop; nop; nop; nop; - li %1, 0x80 - mtc0 %1, $12 - nop; nop; nop; nop; - sh $0, 0(%0) - mtc0 $0, $12 - nop; nop; nop; nop; - mtc0 %2, $12 - nop; nop; nop; nop; - .set pop" - : "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)); + __asm__ __volatile__( + ".set\tpush\n\t" + ".set\tnoreorder\n\t" + ".set\tmips3\n\t" + "li\t%0, 0x1\n\t" + "dsll\t%0, 31\n\t" + "lui\t%1, 0x9000\n\t" + "dsll32\t%1, 0\n\t" + "or\t%0, %1, %0\n\t" + "mfc0\t%2, $12\n\t" + "nop; nop; nop; nop\n\t" + "li\t%1, 0x80\n\t" + "mtc0\t%1, $12\n\t" + "nop; nop; nop; nop\n\t" + "sh\t$0, 0(%0)\n\t" + "mtc0\t$0, $12\n\t" + "nop; nop; nop; nop\n\t" + "mtc0\t%2, $12\n\t" + "nop; nop; nop; nop\n\t" + ".set\tpop" + : "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)); } static inline int __init indy_sc_probe(void) |