projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 8ad349bb | 4 | * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ |
| 1c79356b | 5 | * |
| 8ad349bb A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the | |
| 10 | * License may not be used to create, or enable the creation or | |
| 11 | * redistribution of, unlawful or unlicensed copies of an Apple operating | |
| 12 | * system, or to circumvent, violate, or enable the circumvention or | |
| 13 | * violation of, any terms of an Apple operating system software license | |
| 14 | * agreement. | |
| 15 | * | |
| 16 | * Please obtain a copy of the License at | |
| 17 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 18 | * file. | |
| 19 | * | |
| 20 | * The Original Code and all software distributed under the License are | |
| 21 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 22 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 23 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 24 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 25 | * Please see the License for the specific language governing rights and | |
| 26 | * limitations under the License. | |
| 27 | * | |
| 28 | * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ | |
| 1c79356b A |
29 | */ |
| 30 | #include <debug.h> | |
| 31 | #include <ppc/asm.h> | |
| 32 | #include <ppc/proc_reg.h> | |
| 33 | #include <mach/ppc/vm_param.h> | |
| 34 | #include <assym.s> | |
| 35 | ||
| 1c79356b A |
36 | ENTRY(kdp_sync_cache, TAG_NO_FRAME_USED) |
| 37 | sync /* data sync */ | |
| 38 | isync /* inst sync */ | |
| 39 | blr /* return nothing */ | |
| 40 | ||
| 1c79356b | 41 | |
| 55e303ae A |
42 | ; |
| 43 | ; This is a really stupid physical copy. 1 whole byte at a time... | |
| 44 | ; Source and dest are long longs. We do this with 64-bit on if | |
| 45 | ; supported. | |
| 46 | ; | |
| 47 | ||
| 48 | .align 5 | |
| 49 | .globl EXT(kdp_copy_phys) | |
| 50 | ||
| 51 | LEXT(kdp_copy_phys) | |
| 1c79356b | 52 | |
| 55e303ae A |
53 | mflr r12 ; Save return |
| 54 | ||
| 55 | bl EXT(ml_set_physical_disabled) ; No DR and get 64-bit | |
| 56 | ||
| 57 | rlwinm r3,r3,0,1,0 ; Dup low to high source | |
| 58 | rlwinm r5,r5,0,1,0 ; Dup low to high dest | |
| 59 | rlwimi r3,r4,0,0,31 ; Copy bottom on in source | |
| 60 | rlwimi r5,r6,0,0,31 ; Copy bottom on in dest | |
| 61 | ||
| 62 | kcpagain: addic. r7,r7,-1 ; Drop count | |
| 63 | blt-- kcpdone ; All done... | |
| 64 | lbz r0,0(r3) ; Grab a whole one | |
| 65 | stb r0,0(r5) ; Lay it gently down | |
| 66 | addi r3,r3,1 ; Next source | |
| 67 | addi r5,r5,1 ; Next destination | |
| 68 | b kcpagain ; Once more with feeling... | |
| 69 | ||
| 70 | kcpdone: bl EXT(ml_restore) ; Put trans, etc back | |
| 71 | mtlr r12 ; Restore return | |
| 72 | blr ; Come again please... | |
| 73 |