| /* |
| * Copyright (C) 2002 Paul Mackerras, IBM Corp. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| #include <asm/processor.h> |
| #include <asm/ppc_asm.h> |
| |
| _GLOBAL(copy_4K_page) |
| std r31,-8(1) |
| std r30,-16(1) |
| std r29,-24(1) |
| std r28,-32(1) |
| std r27,-40(1) |
| std r26,-48(1) |
| std r25,-56(1) |
| std r24,-64(1) |
| std r23,-72(1) |
| std r22,-80(1) |
| std r21,-88(1) |
| std r20,-96(1) |
| li r5,4096/32 - 1 |
| addi r3,r3,-8 |
| li r12,5 |
| 0: addi r5,r5,-24 |
| mtctr r12 |
| ld r22,640(4) |
| ld r21,512(4) |
| ld r20,384(4) |
| ld r11,256(4) |
| ld r9,128(4) |
| ld r7,0(4) |
| ld r25,648(4) |
| ld r24,520(4) |
| ld r23,392(4) |
| ld r10,264(4) |
| ld r8,136(4) |
| ldu r6,8(4) |
| cmpwi r5,24 |
| 1: std r22,648(3) |
| std r21,520(3) |
| std r20,392(3) |
| std r11,264(3) |
| std r9,136(3) |
| std r7,8(3) |
| ld r28,648(4) |
| ld r27,520(4) |
| ld r26,392(4) |
| ld r31,264(4) |
| ld r30,136(4) |
| ld r29,8(4) |
| std r25,656(3) |
| std r24,528(3) |
| std r23,400(3) |
| std r10,272(3) |
| std r8,144(3) |
| std r6,16(3) |
| ld r22,656(4) |
| ld r21,528(4) |
| ld r20,400(4) |
| ld r11,272(4) |
| ld r9,144(4) |
| ld r7,16(4) |
| std r28,664(3) |
| std r27,536(3) |
| std r26,408(3) |
| std r31,280(3) |
| std r30,152(3) |
| stdu r29,24(3) |
| ld r25,664(4) |
| ld r24,536(4) |
| ld r23,408(4) |
| ld r10,280(4) |
| ld r8,152(4) |
| ldu r6,24(4) |
| bdnz 1b |
| std r22,648(3) |
| std r21,520(3) |
| std r20,392(3) |
| std r11,264(3) |
| std r9,136(3) |
| std r7,8(3) |
| addi r4,r4,640 |
| addi r3,r3,648 |
| bge 0b |
| mtctr r5 |
| ld r7,0(4) |
| ld r8,8(4) |
| ldu r9,16(4) |
| 3: ld r10,8(4) |
| std r7,8(3) |
| ld r7,16(4) |
| std r8,16(3) |
| ld r8,24(4) |
| std r9,24(3) |
| ldu r9,32(4) |
| stdu r10,32(3) |
| bdnz 3b |
| 4: ld r10,8(4) |
| std r7,8(3) |
| std r8,16(3) |
| std r9,24(3) |
| std r10,32(3) |
| 9: ld r20,-96(1) |
| ld r21,-88(1) |
| ld r22,-80(1) |
| ld r23,-72(1) |
| ld r24,-64(1) |
| ld r25,-56(1) |
| ld r26,-48(1) |
| ld r27,-40(1) |
| ld r28,-32(1) |
| ld r29,-24(1) |
| ld r30,-16(1) |
| ld r31,-8(1) |
| blr |