X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/5d5c5d0d5b79ade9a973d55186ffda2638ba2b6e..c3c9b80d004dbbfdf763edeb97968c6997e3b45b:/pexpert/i386/pe_identify_machine.c diff --git a/pexpert/i386/pe_identify_machine.c b/pexpert/i386/pe_identify_machine.c index 2918a2d21..7d8d0bdcb 100644 --- a/pexpert/i386/pe_identify_machine.c +++ b/pexpert/i386/pe_identify_machine.c @@ -1,35 +1,33 @@ /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_OSREFERENCE_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. + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ 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. * - * 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 + * 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_LICENSE_OSREFERENCE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ +#include #include #include -#include /* Local declarations */ void pe_identify_machine(boot_args *args); @@ -39,36 +37,42 @@ void pe_identify_machine(boot_args *args); * Sets up platform parameters. * Returns: nothing */ -void pe_identify_machine(__unused boot_args *args) +void +pe_identify_machine(__unused boot_args *args) +{ + // Clear the gPEClockFrequencyInfo struct + bzero((void *)&gPEClockFrequencyInfo, sizeof(clock_frequency_info_t)); + + // Start with default values. + gPEClockFrequencyInfo.timebase_frequency_hz = 1000000000; + gPEClockFrequencyInfo.bus_frequency_hz = 100000000; + gPEClockFrequencyInfo.cpu_frequency_hz = 300000000; + + gPEClockFrequencyInfo.bus_frequency_min_hz = gPEClockFrequencyInfo.bus_frequency_hz; + gPEClockFrequencyInfo.bus_frequency_max_hz = gPEClockFrequencyInfo.bus_frequency_hz; + gPEClockFrequencyInfo.cpu_frequency_min_hz = gPEClockFrequencyInfo.cpu_frequency_hz; + gPEClockFrequencyInfo.cpu_frequency_max_hz = gPEClockFrequencyInfo.cpu_frequency_hz; + + gPEClockFrequencyInfo.dec_clock_rate_hz = gPEClockFrequencyInfo.timebase_frequency_hz; + gPEClockFrequencyInfo.bus_clock_rate_hz = gPEClockFrequencyInfo.bus_frequency_hz; + gPEClockFrequencyInfo.cpu_clock_rate_hz = gPEClockFrequencyInfo.cpu_frequency_hz; + + // Get real number from some where. + + // Set the num / den pairs form the hz values. + gPEClockFrequencyInfo.bus_clock_rate_num = gPEClockFrequencyInfo.bus_clock_rate_hz; + gPEClockFrequencyInfo.bus_clock_rate_den = 1; + + gPEClockFrequencyInfo.bus_to_cpu_rate_num = + (2 * gPEClockFrequencyInfo.cpu_clock_rate_hz) / gPEClockFrequencyInfo.bus_clock_rate_hz; + gPEClockFrequencyInfo.bus_to_cpu_rate_den = 2; + + gPEClockFrequencyInfo.bus_to_dec_rate_num = 1; + gPEClockFrequencyInfo.bus_to_dec_rate_den = + gPEClockFrequencyInfo.bus_clock_rate_hz / gPEClockFrequencyInfo.dec_clock_rate_hz; +} + +void +PE_panic_hook(const char *str __unused) { - // Clear the gPEClockFrequencyInfo struct - bzero((void *)&gPEClockFrequencyInfo, sizeof(clock_frequency_info_t)); - - // Start with default values. - gPEClockFrequencyInfo.timebase_frequency_hz = 1000000000; - gPEClockFrequencyInfo.bus_frequency_hz = 100000000; - gPEClockFrequencyInfo.cpu_frequency_hz = 300000000; - - gPEClockFrequencyInfo.bus_frequency_min_hz = gPEClockFrequencyInfo.bus_frequency_hz; - gPEClockFrequencyInfo.bus_frequency_max_hz = gPEClockFrequencyInfo.bus_frequency_hz; - gPEClockFrequencyInfo.cpu_frequency_min_hz = gPEClockFrequencyInfo.cpu_frequency_hz; - gPEClockFrequencyInfo.cpu_frequency_max_hz = gPEClockFrequencyInfo.cpu_frequency_hz; - - gPEClockFrequencyInfo.dec_clock_rate_hz = gPEClockFrequencyInfo.timebase_frequency_hz; - gPEClockFrequencyInfo.bus_clock_rate_hz = gPEClockFrequencyInfo.bus_frequency_hz; - gPEClockFrequencyInfo.cpu_clock_rate_hz = gPEClockFrequencyInfo.cpu_frequency_hz; - - // Get real number from some where. - - // Set the num / den pairs form the hz values. - gPEClockFrequencyInfo.bus_clock_rate_num = gPEClockFrequencyInfo.bus_clock_rate_hz; - gPEClockFrequencyInfo.bus_clock_rate_den = 1; - - gPEClockFrequencyInfo.bus_to_cpu_rate_num = - (2 * gPEClockFrequencyInfo.cpu_clock_rate_hz) / gPEClockFrequencyInfo.bus_clock_rate_hz; - gPEClockFrequencyInfo.bus_to_cpu_rate_den = 2; - - gPEClockFrequencyInfo.bus_to_dec_rate_num = 1; - gPEClockFrequencyInfo.bus_to_dec_rate_den = - gPEClockFrequencyInfo.bus_clock_rate_hz / gPEClockFrequencyInfo.dec_clock_rate_hz; }