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51 lines
620 B
51 lines
620 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* arch/alpha/lib/copy_page.S |
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* |
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* Copy an entire page. |
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*/ |
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#include <asm/export.h> |
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.text |
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.align 4 |
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.global copy_page |
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.ent copy_page |
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copy_page: |
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.prologue 0 |
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lda $18,128 |
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nop |
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unop |
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nop |
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1: ldq $0,0($17) |
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ldq $1,8($17) |
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ldq $2,16($17) |
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ldq $3,24($17) |
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ldq $4,32($17) |
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ldq $5,40($17) |
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ldq $6,48($17) |
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ldq $7,56($17) |
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stq $0,0($16) |
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subq $18,1,$18 |
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stq $1,8($16) |
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addq $17,64,$17 |
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stq $2,16($16) |
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stq $3,24($16) |
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stq $4,32($16) |
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stq $5,40($16) |
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stq $6,48($16) |
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stq $7,56($16) |
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addq $16,64,$16 |
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bne $18, 1b |
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ret |
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nop |
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unop |
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nop |
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.end copy_page |
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EXPORT_SYMBOL(copy_page)
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