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96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
/*
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* This file contains Nt monotonic counter code, taken from wine which is:
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* Copyright 2002 Rex Jolliff (rex@lvcablemodem.com)
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* Copyright 1999 Juergen Schmied
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* Copyright 2007 Dmitry Timoshkov
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* GNU LGPL 2.1 license
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* */
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#include "stdafx.h"
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#include "Emu/Memory/Memory.h"
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#include "Emu/System.h"
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#include "Emu/SysCalls/SysCalls.h"
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#ifdef _WIN32
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#include <Windows.h>
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#endif
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#include "sys_time.h"
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SysCallBase sys_time("sys_time");
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static const u64 timebase_frequency = /*79800000*/ 80000000; // 80 Mhz
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extern int cellSysutilGetSystemParamInt(int id, vm::ptr<be_t<u32>> value);
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// Auxiliary functions
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u64 get_time()
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{
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#ifdef _WIN32
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static struct PerformanceFreqHolder
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{
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u64 value;
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PerformanceFreqHolder()
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{
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LARGE_INTEGER freq;
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QueryPerformanceFrequency(&freq);
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value = freq.QuadPart;
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}
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} freq;
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LARGE_INTEGER cycle;
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QueryPerformanceCounter(&cycle);
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u64 sec = cycle.QuadPart / freq.value;
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return sec * timebase_frequency + (cycle.QuadPart % freq.value) * timebase_frequency / freq.value;
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#else
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struct timespec ts;
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if (!clock_gettime(CLOCK_MONOTONIC, &ts))
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return ts.tv_sec * (s64)timebase_frequency + (s64)ts.tv_nsec * (s64)timebase_frequency / 1000000000;
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// Should never occur.
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assert(0);
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return 0;
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#endif
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}
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// Returns some relative time in microseconds, don't change this fact
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u64 get_system_time()
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{
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return get_time() / (timebase_frequency / MHZ);
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}
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// Functions
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s32 sys_time_get_timezone(vm::ptr<be_t<u32>> timezone, vm::ptr<be_t<u32>> summertime)
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{
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sys_time.Warning("sys_time_get_timezone(timezone_addr=0x%x, summertime_addr=0x%x)", timezone.addr(), summertime.addr());
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int ret;
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ret = cellSysutilGetSystemParamInt(0x0116, timezone); //0x0116 = CELL_SYSUTIL_SYSTEMPARAM_ID_TIMEZONE
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if (ret != CELL_OK) return ret;
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ret = cellSysutilGetSystemParamInt(0x0117, summertime); //0x0117 = CELL_SYSUTIL_SYSTEMPARAM_ID_TIMEZONE
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if (ret != CELL_OK) return ret;
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return CELL_OK;
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}
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s32 sys_time_get_current_time(u32 sec_addr, u32 nsec_addr)
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{
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sys_time.Log("sys_time_get_current_time(sec_addr=0x%x, nsec_addr=0x%x)", sec_addr, nsec_addr);
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u64 time = get_time();
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vm::write64(sec_addr, time / timebase_frequency);
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vm::write64(nsec_addr, (time % timebase_frequency) * 1000000000 / (s64)(timebase_frequency));
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return CELL_OK;
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}
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s64 sys_time_get_system_time()
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{
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sys_time.Log("sys_time_get_system_time()");
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return get_system_time();
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}
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u64 sys_time_get_timebase_frequency()
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{
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sys_time.Log("sys_time_get_timebase_frequency()");
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return timebase_frequency;
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}
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