projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | /* |
| 3 | * arch/alpha/lib/copy_page.S | |
| 4 | * | |
| 5 | * Copy an entire page. | |
| 6 | */ | |
| 00fc0e0d | 7 | #include <asm/export.h> |
| 1da177e4 LT |
8 | .text |
| 9 | .align 4 | |
| 10 | .global copy_page | |
| 11 | .ent copy_page | |
| 12 | copy_page: | |
| 13 | .prologue 0 | |
| 14 | ||
| 15 | lda $18,128 | |
| 16 | nop | |
| 17 | unop | |
| 18 | nop | |
| 19 | ||
| 20 | 1: ldq $0,0($17) | |
| 21 | ldq $1,8($17) | |
| 22 | ldq $2,16($17) | |
| 23 | ldq $3,24($17) | |
| 24 | ||
| 25 | ldq $4,32($17) | |
| 26 | ldq $5,40($17) | |
| 27 | ldq $6,48($17) | |
| 28 | ldq $7,56($17) | |
| 29 | ||
| 30 | stq $0,0($16) | |
| 31 | subq $18,1,$18 | |
| 32 | stq $1,8($16) | |
| 33 | addq $17,64,$17 | |
| 34 | ||
| 35 | stq $2,16($16) | |
| 36 | stq $3,24($16) | |
| 37 | stq $4,32($16) | |
| 38 | stq $5,40($16) | |
| 39 | ||
| 40 | stq $6,48($16) | |
| 41 | stq $7,56($16) | |
| 42 | addq $16,64,$16 | |
| 43 | bne $18, 1b | |
| 44 | ||
| 45 | ret | |
| 46 | nop | |
| 47 | unop | |
| 48 | nop | |
| 49 | ||
| 50 | .end copy_page | |
| 00fc0e0d | 51 | EXPORT_SYMBOL(copy_page) |