1 /* 2 * Copyright 2007, Haiku Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * François Revol <revol@free.fr> 7 * 8 * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>. 9 * All rights reserved. Distributed under the terms of the MIT License. 10 */ 11 12 #include <OS.h> 13 14 #include <arch_cpu.h> 15 #include <arch_platform.h> 16 #include <arch/system_info.h> 17 #include <boot/kernel_args.h> 18 19 20 static uint64 sCPUClockFrequency; 21 static uint64 sBusClockFrequency; 22 static uint16 sCPURevision; 23 24 25 void 26 arch_fill_topology_node(cpu_topology_node_info* node, int32 cpu) 27 { 28 switch (node->type) { 29 case B_TOPOLOGY_ROOT: 30 node->data.root.platform = B_CPU_M68K; 31 break; 32 33 case B_TOPOLOGY_PACKAGE: 34 node->data.package.vendor = B_CPU_VENDOR_MOTOROLA; 35 node->data.package.cache_line_size = CACHE_LINE_SIZE; 36 break; 37 38 case B_TOPOLOGY_CORE: 39 node->data.core.model = sCPURevision; 40 node->data.core.default_frequency = sCPUClockFrequency; 41 break; 42 43 default: 44 break; 45 } 46 } 47 48 49 status_t 50 arch_system_info_init(struct kernel_args *args) 51 { 52 sCPUClockFrequency = args->arch_args.cpu_frequency; 53 sBusClockFrequency = args->arch_args.bus_frequency; // not reported anymore? 54 55 sCPURevision = args->arch_args.cpu_type; //TODO:is it what we want? 56 #warning M68K: use 060 PCR[15:8] 57 58 return B_OK; 59 } 60