X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0b4e3aa066abc0728aacb4bbeb86f53f9737156e..7e4a7d3939db04e70062ae6c7bf24b8c8b2f5a7c:/osfmk/ppc/misc.c diff --git a/osfmk/ppc/misc.c b/osfmk/ppc/misc.c index 82d0471f4..807c03512 100644 --- a/osfmk/ppc/misc.c +++ b/osfmk/ppc/misc.c @@ -1,27 +1,34 @@ /* * 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@ */ +#if 0 // dead code #include #include @@ -67,14 +74,14 @@ boolean_t copyin_multiple(const char *src, midpoint = (const char*) ((vm_offset_t)(src + count) & 0xF0000000); first_count = (midpoint - src); - first_result = copyin(src, dst, first_count); + 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(midpoint, dst + first_count, count-first_count); + 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); @@ -99,7 +106,7 @@ int copyout_multiple(const char *src, char *dst, vm_size_t count) midpoint = (char *) ((vm_offset_t)(dst + count) & 0xF0000000); first_count = (midpoint - dst); - first_result = copyout(src, dst, first_count); + 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) @@ -107,190 +114,7 @@ int copyout_multiple(const char *src, char *dst, vm_size_t count) /* otherwise finish the job and return result */ - return copyout(src + first_count, midpoint, count-first_count); -} - -#define HAVE_ASSEMBLY_BCMP -#ifndef HAVE_ASSEMBLY_BCMP -int bcmp( - const char *a, - const char *b, - vm_size_t len) -{ - if (len == 0) - return 0; - - do - if (*a++ != *b++) - break; - while (--len); - - return len; -} -#endif /* HAVE_ASSEMBLY_BCMP */ - -#define HAVE_ASSEMBLY_MEMCMP -#ifndef HAVE_ASSEMBLY_MEMCMP -int -memcmp(s1, s2, n) - register char *s1, *s2; - register n; -{ - while (--n >= 0) - if (*s1++ != *s2++) - return (*--s1 - *--s2); - return (0); -} -#endif /* HAVE_ASSEMBLY_MEMCMP */ - -#define HAVE_ASSEMBLY_STRLEN -#ifndef HAVE_ASSEMBLY_STRLEN -/* - * Abstract: - * strlen returns the number of characters in "string" preceeding - * the terminating null character. - */ - -size_t -strlen( - register const char *string) -{ - register const char *ret = string; - - while (*string++ != '\0') - continue; - return string - 1 - ret; -} -#endif /* HAVE_ASSEMBLY_STRLEN */ - -#if DEBUG -void regDump(struct ppc_saved_state *state) -{ - int i; - - for (i=0; i<32; i++) { - if ((i % 8) == 0) - kprintf("\n%4d :",i); - kprintf(" %08x",*(&state->r0+i)); - } - - kprintf("\n"); - kprintf("cr = 0x%08x\t\t",state->cr); - kprintf("xer = 0x%08x\n",state->xer); - kprintf("lr = 0x%08x\t\t",state->lr); - kprintf("ctr = 0x%08x\n",state->ctr); - kprintf("srr0(iar) = 0x%08x\t\t",state->srr0); - kprintf("srr1(msr) = 0x%08B\n",state->srr1, - "\x10\x11""EE\x12PR\x13""FP\x14ME\x15""FE0\x16SE\x18" - "FE1\x19""AL\x1a""EP\x1bIT\x1c""DT"); - kprintf("mq = 0x%08x\t\t",state->mq); - kprintf("sr_copyin = 0x%08x\n",state->sr_copyin); - kprintf("\n"); - - /* Be nice - for user tasks, generate some stack trace */ - if (state->srr1 & MASK(MSR_PR)) { - char *addr = (char*)state->r1; - unsigned int buf[2]; - for (i = 0; i < 8; i++) { - if (addr == (char*)NULL) - break; - if (!copyin(addr,(char*)buf, 2 * sizeof(int))) { - printf("0x%08x : %08x\n",buf[0],buf[1]); - addr = (char*)buf[0]; - } else { - break; - } - } - } -} -#endif /* DEBUG */ - -#if 0 -/* - * invalidate_cache_for_io - * - * Takes cache of those requests which may require to flush the - * data cache first before invalidation. - */ - - -void -invalidate_cache_for_io(vm_offset_t area, unsigned count, boolean_t phys) -{ - vm_offset_t aligned_start, aligned_end, end; - - /* For unaligned reads we need to flush any - * unaligned cache lines. We invalidate the - * rest as this is faster - */ - - aligned_start = area & ~(CACHE_LINE_SIZE-1); - if (aligned_start != area) - flush_dcache(aligned_start, CACHE_LINE_SIZE, phys); - - end = area + count; - aligned_end = (end & ~(CACHE_LINE_SIZE-1)); - if (aligned_end != end) - flush_dcache(aligned_end, CACHE_LINE_SIZE, phys); - - invalidate_dcache(area, count, phys); -} - -extern void tracecopyin(unsigned int src, unsigned int dest, unsigned int lgn, unsigned int from); -void tracecopyin(unsigned int src, unsigned int dest, unsigned int lgn, unsigned int from) { - - spl_t spl; - - spl = splhigh(); - printf("Copy in called from %08X: src=%08X; dest=%08X; lgn=%08X\n", from, src, dest, lgn); - splx(spl); - return; + return copyout(src + first_count, CAST_USER_ADDR_T(midpoint), count-first_count); } +#endif // dead code -extern void tracecopyout(unsigned int src, unsigned int dest, unsigned int lgn, unsigned int from); -void tracecopyout(unsigned int src, unsigned int dest, unsigned int lgn, unsigned int from) { - - spl_t spl; - - spl = splhigh(); - printf("Copy out called from %08X: src=%08X; dest=%08X; lgn=%08X\n", from, src, dest, lgn); - splx(spl); - return; -} - -extern void tracecopystr(unsigned int src, unsigned int dest, unsigned int max, - unsigned int lgn, unsigned int from); -void tracecopystr(unsigned int src, unsigned int dest, unsigned int max, - unsigned int lgn, unsigned int from) { - - spl_t spl; - - spl = splhigh(); - printf("Copy in string called from %08X: src=%08X; dest=%08X; max=%08X; lgnadr=%08X\n", - from, src, dest, max, lgn); - splx(spl); - return; -} - -unsigned int ExceptionTrace = 0; -extern void ExceptionTracePrint(struct savearea *sv, int type); -void ExceptionTracePrint(struct savearea *sv, int type) { - - spl_t spl; - - spl = splhigh(); - - if(type) { - printf(" Trap from %08X, type=%08X, R0=%08X, R1=%08X, R3=%08X, LR=%08X, AST=%08X\n", - sv->save_srr0, sv->save_exception, sv->save_r0, sv->save_r1, sv->save_r3, - sv->save_lr, need_ast[0]); - } - else { - printf("Syscall from %08X, type=%08X, R0=%08X, R1=%08X, R3=%08X, LR=%08X, AST=%08X\n", - sv->save_srr0, sv->save_exception, sv->save_r0, sv->save_r1, sv->save_r3, - sv->save_lr, need_ast[0]); - } - splx(spl); - return; -} -#endif