mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-04 17:42:15 +00:00
50 lines
No EOL
1.5 KiB
C++
50 lines
No EOL
1.5 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <exosphere.hpp>
|
|
|
|
namespace ams::util {
|
|
|
|
namespace {
|
|
|
|
constinit uintptr_t g_timer_register_address = secmon::MemoryRegionPhysicalDeviceTimer.GetAddress();
|
|
|
|
ALWAYS_INLINE uintptr_t GetCurrentTimeRegisterAddress() {
|
|
return g_timer_register_address + 0x10;
|
|
}
|
|
|
|
}
|
|
|
|
void SetRegisterAddress(uintptr_t address) {
|
|
g_timer_register_address = address;
|
|
}
|
|
|
|
u32 GetMicroSeconds() {
|
|
return reg::Read(GetCurrentTimeRegisterAddress());
|
|
}
|
|
|
|
void WaitMicroSeconds(int us) {
|
|
const u32 start = reg::Read(GetCurrentTimeRegisterAddress());
|
|
u32 cur = start;
|
|
while ((cur - start) <= static_cast<u32>(us)) {
|
|
cur = reg::Read(GetCurrentTimeRegisterAddress());
|
|
}
|
|
}
|
|
|
|
void ClearMemory(void *ptr, size_t size) {
|
|
std::memset(ptr, 0, size);
|
|
}
|
|
|
|
} |