Atmosphere/libraries/libexosphere/source/util/util_api.cpp
Michael Scire f66b41c027 exo2: Initial work on the exosphere rewrite.
exo2: Implement uncompressor stub and boot code up to Main().

exo2: implement some more init (uart/gic)

exo2: implement more of init

exo2: improve reg api, add keyslot flag setters

exo2: implement se aes decryption/enc

exo2: fix bugs in loader stub/mmu mappings

exo2: start skeletoning bootconfig/global context types

arch: fix makefile flags

exo2: implement through master key derivation

exo2: implement device master keygen

exo2: more init through start of SetupSocSecurity

exo2: implement pmc secure scratch management

se: implement sticky bit validation

libexosphere: fix building for arm32

libexo: fix makefile flags

libexo: support building for arm64/arm

sc7fw: skeleton binary

sc7fw: skeleton a little more

sc7fw: implement all non-dram functionality

exo2: fix DivideUp error

sc7fw: implement more dram code, fix reg library errors

sc7fw: complete sc7fw impl.

exo2: skeleton the rest of SetupSocSecurity

exo2: implement fiq interrupt handler

exo2: implement all exception handlers

exo2: skeleton the entire smc api, implement the svc invoker

exo2: implement rest of SetupSocSecurity

exo2: correct slave security errors

exo2: fix register definition

exo2: minor fixes
2020-06-14 22:07:45 -07:00

50 lines
No EOL
1.5 KiB
C++

/*
* Copyright (c) 2018-2020 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);
}
}