| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * arch/sw/lib/copy_page.S |
| * |
| * Copy an entire page. |
| */ |
| #include <asm/export.h> |
| |
| .text |
| .align 4 |
| .global copy_page |
| .ent copy_page |
| copy_page: |
| .prologue 0 |
| |
| ldi $18, 64 |
| subl $sp, 0x60, $sp |
| ldi $4, 0x40($sp) |
| stl $4, 0($sp) |
| bic $4, 0x1f, $4 |
| vstd $f16, 0($4) |
| |
| /* Optimize by GUOY from SOC 2013-06-04 */ |
| 1: |
| vldd $f16, 0($17) |
| vstd_nc $f16, 0($16) |
| |
| vldd $f16, 32($17) |
| vstd_nc $f16, 32($16) |
| |
| vldd $f16, 64($17) |
| vstd_nc $f16, 64($16) |
| |
| vldd $f16, 96($17) |
| vstd_nc $f16, 96($16) |
| |
| ldwe $f31, 5*0x80($17) |
| subl $18, 1, $18 |
| addl $17, 128, $17 |
| |
| addl $16, 128, $16 |
| bne $18, 1b |
| |
| memb |
| ldl $4, 0($sp) |
| ldi $4, 0x40($sp) |
| bic $4, 0x1f, $4 |
| vldd $f16, 0($4) |
| addl $sp, 0x60, $sp |
| ret |
| |
| .end copy_page |
| EXPORT_SYMBOL(copy_page) |
