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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [ppc64/] [lib/] [copypage.S] - Blame information for rev 1765

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Line No. Rev Author Line
1 1275 phoenix
/*
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 * arch/ppc64/lib/copypage.S
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 *
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 * Copyright (C) 2002 Paul Mackerras, IBM Corp.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version
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 * 2 of the License, or (at your option) any later version.
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 */
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#include 
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#include 
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_GLOBAL(copy_page)
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        std     r31,-8(1)
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        std     r30,-16(1)
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        std     r29,-24(1)
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        std     r28,-32(1)
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        std     r27,-40(1)
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        std     r26,-48(1)
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        std     r25,-56(1)
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        std     r24,-64(1)
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        std     r23,-72(1)
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        std     r22,-80(1)
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        std     r21,-88(1)
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        std     r20,-96(1)
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        li      r5,4096/32 - 1
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        addi    r3,r3,-8
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        li      r12,5
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0:      addi    r5,r5,-24
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        mtctr   r12
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        ld      r22,640(4)
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        ld      r21,512(4)
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        ld      r20,384(4)
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        ld      r11,256(4)
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        ld      r9,128(4)
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        ld      r7,0(4)
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        ld      r25,648(4)
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        ld      r24,520(4)
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        ld      r23,392(4)
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        ld      r10,264(4)
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        ld      r8,136(4)
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        ldu     r6,8(4)
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        cmpwi   r5,24
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1:      std     r22,648(3)
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        std     r21,520(3)
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        std     r20,392(3)
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        std     r11,264(3)
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        std     r9,136(3)
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        std     r7,8(3)
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        ld      r28,648(4)
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        ld      r27,520(4)
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        ld      r26,392(4)
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        ld      r31,264(4)
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        ld      r30,136(4)
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        ld      r29,8(4)
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        std     r25,656(3)
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        std     r24,528(3)
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        std     r23,400(3)
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        std     r10,272(3)
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        std     r8,144(3)
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        std     r6,16(3)
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        ld      r22,656(4)
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        ld      r21,528(4)
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        ld      r20,400(4)
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        ld      r11,272(4)
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        ld      r9,144(4)
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        ld      r7,16(4)
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        std     r28,664(3)
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        std     r27,536(3)
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        std     r26,408(3)
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        std     r31,280(3)
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        std     r30,152(3)
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        stdu    r29,24(3)
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        ld      r25,664(4)
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        ld      r24,536(4)
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        ld      r23,408(4)
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        ld      r10,280(4)
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        ld      r8,152(4)
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        ldu     r6,24(4)
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        bdnz    1b
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        std     r22,648(3)
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        std     r21,520(3)
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        std     r20,392(3)
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        std     r11,264(3)
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        std     r9,136(3)
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        std     r7,8(3)
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        addi    r4,r4,640
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        addi    r3,r3,648
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        bge     0b
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        mtctr   r5
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        ld      r7,0(4)
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        ld      r8,8(4)
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        ldu     r9,16(4)
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3:      ld      r10,8(4)
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        std     r7,8(3)
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        ld      r7,16(4)
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        std     r8,16(3)
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        ld      r8,24(4)
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        std     r9,24(3)
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        ldu     r9,32(4)
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        stdu    r10,32(3)
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        bdnz    3b
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4:      ld      r10,8(4)
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        std     r7,8(3)
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        std     r8,16(3)
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        std     r9,24(3)
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        std     r10,32(3)
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9:      ld      r20,-96(1)
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        ld      r21,-88(1)
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        ld      r22,-80(1)
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        ld      r23,-72(1)
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        ld      r24,-64(1)
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        ld      r25,-56(1)
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        ld      r26,-48(1)
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        ld      r27,-40(1)
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        ld      r28,-32(1)
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        ld      r29,-24(1)
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        ld      r30,-16(1)
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        ld      r31,-8(1)
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        blr

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