mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <exosphere.hpp>
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namespace ams::util {
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namespace {
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constinit uintptr_t g_timer_register_address = secmon::MemoryRegionPhysicalDeviceTimer.GetAddress();
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ALWAYS_INLINE uintptr_t GetCurrentTimeRegisterAddress() {
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return g_timer_register_address + 0x10;
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}
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}
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void SetRegisterAddress(uintptr_t address) {
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g_timer_register_address = address;
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}
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u32 GetMicroSeconds() {
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return reg::Read(GetCurrentTimeRegisterAddress());
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}
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void WaitMicroSeconds(int us) {
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const u32 start = reg::Read(GetCurrentTimeRegisterAddress());
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u32 cur = start;
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while ((cur - start) <= static_cast<u32>(us)) {
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cur = reg::Read(GetCurrentTimeRegisterAddress());
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}
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}
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void ClearMemory(void *ptr, size_t size) {
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std::memset(ptr, 0, size);
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}
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} |