diff options
Diffstat (limited to 'arch/mips/mm/r4xx0.c')
| -rw-r--r-- | arch/mips/mm/r4xx0.c | 82 |
1 files changed, 1 insertions, 81 deletions
diff --git a/arch/mips/mm/r4xx0.c b/arch/mips/mm/r4xx0.c index 0bfa42c3a..91d24a690 100644 --- a/arch/mips/mm/r4xx0.c +++ b/arch/mips/mm/r4xx0.c @@ -3,7 +3,7 @@ * * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) * - * $Id: r4xx0.c,v 1.14 1998/03/22 23:27:16 ralf Exp $ + * $Id: r4xx0.c,v 1.15 1998/04/05 11:23:55 ralf Exp $ * * To do: * @@ -267,32 +267,6 @@ static void r4k_clear_page(unsigned long page) :"$1","memory"); } -static void r4k_clear_page(unsigned long page) -{ - __asm__ __volatile__( - ".set\tnoreorder\n\t" - ".set\tnoat\n\t" - ".set\tmips3\n\t" - "daddiu\t$1,%0,%2\n" - "1:\tsd\t$0,(%0)\n\t" - "sd\t$0,8(%0)\n\t" - "sd\t$0,16(%0)\n\t" - "sd\t$0,24(%0)\n\t" - "daddiu\t%0,64\n\t" - "sd\t$0,-32(%0)\n\t" - "sd\t$0,-24(%0)\n\t" - "sd\t$0,-16(%0)\n\t" - "bne\t$1,%0,1b\n\t" - "sd\t$0,-8(%0)\n\t" - ".set\tmips0\n\t" - ".set\tat\n\t" - ".set\treorder" - :"=r" (page) - :"0" (page), - "I" (PAGE_SIZE) - :"$1","memory"); -} - /* * This is still inefficient. We only can do better if we know the @@ -605,60 +579,6 @@ static void r4k_copy_page(unsigned long to, unsigned long from) "I" (PAGE_SIZE)); } -static void r4k_copy_page(unsigned long to, unsigned long from) -{ - unsigned long dummy1, dummy2; - unsigned long reg1, reg2, reg3, reg4; - - __asm__ __volatile__( - ".set\tnoreorder\n\t" - ".set\tnoat\n\t" - ".set\tmips3\n\t" - "daddiu\t$1,%0,%8\n" - "1:\tlw\t%2,(%1)\n\t" - "lw\t%3,4(%1)\n\t" - "lw\t%4,8(%1)\n\t" - "lw\t%5,12(%1)\n\t" - "sw\t%2,(%0)\n\t" - "sw\t%3,4(%0)\n\t" - "sw\t%4,8(%0)\n\t" - "sw\t%5,12(%0)\n\t" - "lw\t%2,16(%1)\n\t" - "lw\t%3,20(%1)\n\t" - "lw\t%4,24(%1)\n\t" - "lw\t%5,28(%1)\n\t" - "sw\t%2,16(%0)\n\t" - "sw\t%3,20(%0)\n\t" - "sw\t%4,24(%0)\n\t" - "sw\t%5,28(%0)\n\t" - "daddiu\t%0,64\n\t" - "daddiu\t%1,64\n\t" - "lw\t%2,-32(%1)\n\t" - "lw\t%3,-28(%1)\n\t" - "lw\t%4,-24(%1)\n\t" - "lw\t%5,-20(%1)\n\t" - "sw\t%2,-32(%0)\n\t" - "sw\t%3,-28(%0)\n\t" - "sw\t%4,-24(%0)\n\t" - "sw\t%5,-20(%0)\n\t" - "lw\t%2,-16(%1)\n\t" - "lw\t%3,-12(%1)\n\t" - "lw\t%4,-8(%1)\n\t" - "lw\t%5,-4(%1)\n\t" - "sw\t%2,-16(%0)\n\t" - "sw\t%3,-12(%0)\n\t" - "sw\t%4,-8(%0)\n\t" - "bne\t$1,%0,1b\n\t" - "sw\t%5,-4(%0)\n\t" - ".set\tmips0\n\t" - ".set\tat\n\t" - ".set\treorder" - :"=r" (dummy1), "=r" (dummy2), - "=&r" (reg1), "=&r" (reg2), "=&r" (reg3), "=&r" (reg4) - :"0" (to), "1" (from), - "I" (PAGE_SIZE)); -} - /* * If you think for one second that this stuff coming up is a lot * of bulky code eating too many kernel cache lines. Think _again_. |