xnu-1699.22.73.tar.gz

[apple/xnu.git] / osfmk / ppc / misc.c

diff --git a/osfmk/ppc/misc.c b/osfmk/ppc/misc.c
deleted file mode 100644 (file)
index 807c035..0000000
--- a/osfmk/ppc/misc.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
- * 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.
- * 
- * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- * 
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
- * @OSF_COPYRIGHT@
- */
-#if 0  // dead code
-#include <debug.h>
-#include <mach_debug.h>
-
-#include <mach/ppc/thread_status.h>
-#include <mach/vm_types.h>
-#include <kern/thread.h>
-#include <kern/misc_protos.h>
-#include <ppc/proc_reg.h>
-#include <ppc/pmap.h>
-#include <ppc/misc_protos.h>
-#include <ppc/exception.h>
-
-/*
- * copyin/out_multiple - the assembler copyin/out functions jump to C for
- * help when the copyin lies over a segment boundary. The C breaks
- * down the copy into two sub-copies and re-calls the assembler with
- * these sub-copies. Very rare occurrance. Warning: These functions are
- * called whilst active_thread->thread_recover is still set.
- */
-
-extern boolean_t copyin_multiple(const char *src,
-                                char *dst,
-                                vm_size_t count);
-
-boolean_t copyin_multiple(const char *src,
-                         char *dst,
-                         vm_size_t count)
-{
-       const char *midpoint;
-       vm_size_t first_count;
-       boolean_t first_result;
-
-       /* Assert that we've been called because of a segment boundary,
-        * this function is more expensive than the assembler, and should
-        * only be called in this difficult case.
-        */
-       assert(((vm_offset_t)src & 0xF0000000) !=
-              ((vm_offset_t)(src + count -1) & 0xF0000000));
-
-       /* TODO NMGS define sensible constants for segments, and apply
-        * to C and assembler (assembler is much harder)
-        */
-       midpoint = (const char*) ((vm_offset_t)(src + count) & 0xF0000000);
-       first_count = (midpoint - src);
-
-       first_result = copyin(CAST_USER_ADDR_T(src), dst, first_count);
-       
-       /* If there was an error, stop now and return error */
-       if (first_result != 0)
-               return first_result;
-
-       /* otherwise finish the job and return result */
-       return copyin(CAST_USER_ADDR_T(midpoint), dst + first_count, count-first_count);
-}
-
-extern int copyout_multiple(const char *src, char *dst, vm_size_t count);
-
-int copyout_multiple(const char *src, char *dst, vm_size_t count)
-{
-       char *midpoint;
-       vm_size_t first_count;
-       boolean_t first_result;
-
-       /* Assert that we've been called because of a segment boundary,
-        * this function is more expensive than the assembler, and should
-        * only be called in this difficult case. For copyout, the
-        * segment boundary is on the dst
-        */
-       assert(((vm_offset_t)dst & 0xF0000000) !=
-              ((vm_offset_t)(dst + count - 1) & 0xF0000000));
-
-       /* TODO NMGS define sensible constants for segments, and apply
-        * to C and assembler (assembler is much harder)
-        */
-       midpoint = (char *) ((vm_offset_t)(dst + count) & 0xF0000000);
-       first_count = (midpoint - dst);
-
-       first_result = copyout(src, CAST_USER_ADDR_T(dst), first_count);
-       
-       /* If there was an error, stop now and return error */
-       if (first_result != 0)
-               return first_result;
-
-       /* otherwise finish the job and return result */
-
-       return copyout(src + first_count, CAST_USER_ADDR_T(midpoint), count-first_count);
-}
-#endif // dead code
-