projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 6601e61a | 4 | * @APPLE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 6601e61a A |
6 | * The contents of this file constitute Original Code as defined in and |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 8f6c56a5 | 11 | * |
| 6601e61a A |
12 | * This Original Code and all software distributed under the License are |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 8f6c56a5 A |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 6601e61a A |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 8f6c56a5 | 19 | * |
| 6601e61a | 20 | * @APPLE_LICENSE_HEADER_END@ |
| 1c79356b A |
21 | */ |
| 22 | #include <debug.h> | |
| 23 | #include <ppc/asm.h> | |
| 24 | #include <ppc/proc_reg.h> | |
| 25 | #include <mach/ppc/vm_param.h> | |
| 26 | #include <assym.s> | |
| 27 | ||
| 1c79356b A |
28 | ENTRY(kdp_sync_cache, TAG_NO_FRAME_USED) |
| 29 | sync /* data sync */ | |
| 30 | isync /* inst sync */ | |
| 31 | blr /* return nothing */ | |
| 32 | ||
| 1c79356b | 33 | |
| 55e303ae A |
34 | ; |
| 35 | ; This is a really stupid physical copy. 1 whole byte at a time... | |
| 36 | ; Source and dest are long longs. We do this with 64-bit on if | |
| 37 | ; supported. | |
| 38 | ; | |
| 39 | ||
| 40 | .align 5 | |
| 41 | .globl EXT(kdp_copy_phys) | |
| 42 | ||
| 43 | LEXT(kdp_copy_phys) | |
| 1c79356b | 44 | |
| 55e303ae A |
45 | mflr r12 ; Save return |
| 46 | ||
| 47 | bl EXT(ml_set_physical_disabled) ; No DR and get 64-bit | |
| 48 | ||
| 49 | rlwinm r3,r3,0,1,0 ; Dup low to high source | |
| 50 | rlwinm r5,r5,0,1,0 ; Dup low to high dest | |
| 51 | rlwimi r3,r4,0,0,31 ; Copy bottom on in source | |
| 52 | rlwimi r5,r6,0,0,31 ; Copy bottom on in dest | |
| 53 | ||
| 54 | kcpagain: addic. r7,r7,-1 ; Drop count | |
| 55 | blt-- kcpdone ; All done... | |
| 56 | lbz r0,0(r3) ; Grab a whole one | |
| 57 | stb r0,0(r5) ; Lay it gently down | |
| 58 | addi r3,r3,1 ; Next source | |
| 59 | addi r5,r5,1 ; Next destination | |
| 60 | b kcpagain ; Once more with feeling... | |
| 61 | ||
| 62 | kcpdone: bl EXT(ml_restore) ; Put trans, etc back | |
| 63 | mtlr r12 ; Restore return | |
| 64 | blr ; Come again please... | |
| 65 |