/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
#include <mach/ppc/vm_param.h>
#include <assym.s>
-/* void
- * db_phys_copy(src, dst, bytecount)
- * vm_offset_t src;
- * vm_offset_t dst;
- * int bytecount
- *
- * This routine will copy bytecount bytes from physical address src to physical
- * address dst.
- */
-ENTRY(db_phys_copy, TAG_NO_FRAME_USED)
-
- /* Switch off data translations */
- mfmsr r6
- rlwinm r6,r6,0,MSR_FP_BIT+1,MSR_FP_BIT-1 ; Force floating point off
- rlwinm r6,r6,0,MSR_VEC_BIT+1,MSR_VEC_BIT-1 ; Force vectors off
- rlwinm r7, r6, 0, MSR_DR_BIT+1, MSR_DR_BIT-1
- mtmsr r7
- isync /* Ensure data translations are off */
-
- subi r3, r3, 4
- subi r4, r4, 4
-
- cmpwi r5, 3
- ble- .L_db_phys_copy_bytes
-.L_db_phys_copy_loop:
- lwz r0, 4(r3)
- addi r3, r3, 4
- subi r5, r5, 4
- stw r0, 4(r4)
- addi r4, r4, 4
- cmpwi r5, 3
- bgt+ .L_db_phys_copy_loop
-
- /* If no leftover bytes, we're done now */
- cmpwi r5, 0
- beq+ .L_db_phys_copy_done
-
-.L_db_phys_copy_bytes:
- addi r3, r3, 3
- addi r4, r4, 3
-.L_db_phys_copy_byte_loop:
- lbz r0, 1(r3)
- addi r3, r3, 1
- subi r5, r5, 1
- stb r0, 1(r4)
- addi r4, r4, 1
- cmpwi r5, 0
- bne+ .L_db_phys_copy_loop
-
-.L_db_phys_copy_done:
- mtmsr r6 /* Restore original translations */
- isync /* Ensure data translations are off */
-
- blr
/* void
* db_phys_cmp(src_a, src_b, bytecount)
* address src_b.
*/
+#warning THIS IS BROKEN FOR 64-BIT
+
/* Switch off data translations */
+ lis r7,hi16(MASK(MSR_VEC))
+ ori r7,r7,lo16(MASK(MSR_FP))
mfmsr r6
- rlwinm r6,r6,0,MSR_FP_BIT+1,MSR_FP_BIT-1 ; Force floating point off
- rlwinm r6,r6,0,MSR_VEC_BIT+1,MSR_VEC_BIT-1 ; Force vectors off
- rlwinm r7, r6, 0, MSR_DR_BIT+1, MSR_DR_BIT-1
+ andc r6,r6,r7 ; Force FP and vec off
+ ori r7,r7,lo16(MASK(MSR_DR)) ; Set the DR bit
+ andc r7,r6,r7 ; Force DR off
mtmsr r7
isync /* Ensure data translations are off */
projects / apple / xnu.git / blobdiff