1*57c324a7SJerome Duval /* 2*57c324a7SJerome Duval * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>. 3*57c324a7SJerome Duval * Distributed under the terms of the MIT License. 4*57c324a7SJerome Duval */ 5*57c324a7SJerome Duval 6*57c324a7SJerome Duval #include <OS.h> 7*57c324a7SJerome Duval 8*57c324a7SJerome Duval #include <arch_cpu.h> 9*57c324a7SJerome Duval #include <libroot_private.h> 10*57c324a7SJerome Duval #include <real_time_data.h> 11*57c324a7SJerome Duval 12*57c324a7SJerome Duval 13*57c324a7SJerome Duval static struct arch_real_time_data *sRealTimeData; 14*57c324a7SJerome Duval 15*57c324a7SJerome Duval void 16*57c324a7SJerome Duval __arch_init_time(struct real_time_data *data, bool setDefaults) 17*57c324a7SJerome Duval { 18*57c324a7SJerome Duval sRealTimeData = &data->arch_data; 19*57c324a7SJerome Duval 20*57c324a7SJerome Duval if (setDefaults) { 21*57c324a7SJerome Duval sRealTimeData->data[0].system_time_offset = 0; 22*57c324a7SJerome Duval sRealTimeData->system_time_conversion_factor = 1000000000LL; 23*57c324a7SJerome Duval sRealTimeData->version = 0; 24*57c324a7SJerome Duval } 25*57c324a7SJerome Duval 26*57c324a7SJerome Duval __arm_setup_system_time(&sRealTimeData->system_time_conversion_factor); 27*57c324a7SJerome Duval } 28*57c324a7SJerome Duval 29*57c324a7SJerome Duval 30*57c324a7SJerome Duval bigtime_t 31*57c324a7SJerome Duval __arch_get_system_time_offset(struct real_time_data *data) 32*57c324a7SJerome Duval { 33*57c324a7SJerome Duval int32 version; 34*57c324a7SJerome Duval bigtime_t offset; 35*57c324a7SJerome Duval do { 36*57c324a7SJerome Duval version = sRealTimeData->version; 37*57c324a7SJerome Duval offset = sRealTimeData->data[version % 2].system_time_offset; 38*57c324a7SJerome Duval } while (version != sRealTimeData->version); 39*57c324a7SJerome Duval 40*57c324a7SJerome Duval return offset; 41*57c324a7SJerome Duval } 42*57c324a7SJerome Duval 43