1 /* 2 * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 #include <OS.h> 7 8 #include <arch_cpu.h> 9 #include <libroot_private.h> 10 #include <real_time_data.h> 11 12 13 static struct arch_real_time_data *sRealTimeData; 14 15 void 16 __arch_init_time(struct real_time_data *data, bool setDefaults) 17 { 18 sRealTimeData = &data->arch_data; 19 20 if (setDefaults) { 21 sRealTimeData->data[0].system_time_offset = 0; 22 sRealTimeData->system_time_conversion_factor = 1000000000LL; 23 sRealTimeData->version = 0; 24 } 25 26 __ppc_setup_system_time(&sRealTimeData->system_time_conversion_factor); 27 } 28 29 30 bigtime_t 31 __arch_get_system_time_offset(struct real_time_data *data) 32 { 33 int32 version; 34 bigtime_t offset; 35 do { 36 version = sRealTimeData->version; 37 offset = sRealTimeData->data[version % 2].system_time_offset; 38 } while (version != sRealTimeData->version); 39 40 return offset; 41 } 42 43