mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-23 10:52:13 +00:00
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 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 "boot_functions.hpp"
|
|
|
|
static constexpr u32 ExpectedPlluDivP = (1 << 16);
|
|
static constexpr u32 ExpectedPlluDivN = (25 << 8);
|
|
static constexpr u32 ExpectedPlluDivM = (2 << 0);
|
|
static constexpr u32 ExpectedPlluVal = (ExpectedPlluDivP | ExpectedPlluDivN | ExpectedPlluDivM);
|
|
static constexpr u32 ExpectedPlluMask = 0x1FFFFF;
|
|
|
|
static constexpr u32 ExpectedUtmipDivN = (25 << 16);
|
|
static constexpr u32 ExpectedUtmipDivM = (1 << 8);
|
|
static constexpr u32 ExpectedUtmipVal = (ExpectedUtmipDivN | ExpectedUtmipDivM);
|
|
static constexpr u32 ExpectedUtmipMask = 0xFFFF00;
|
|
|
|
static bool IsUsbClockValid() {
|
|
u64 _vaddr;
|
|
if (R_FAILED(svcQueryIoMapping(&_vaddr, 0x60006000ul, 0x1000))) {
|
|
std::abort();
|
|
}
|
|
volatile u32 *car_regs = reinterpret_cast<volatile u32 *>(_vaddr);
|
|
|
|
const u32 pllu = car_regs[0xC0 >> 2];
|
|
const u32 utmip = car_regs[0x480 >> 2];
|
|
return ((pllu & ExpectedPlluMask) == ExpectedPlluVal) && ((utmip & ExpectedUtmipMask) == ExpectedUtmipVal);
|
|
}
|
|
|
|
void Boot::CheckClock() {
|
|
if (!IsUsbClockValid()) {
|
|
/* Sleep for 1s, then reboot. */
|
|
svcSleepThread(1'000'000'000ul);
|
|
Boot::RebootSystem();
|
|
}
|
|
}
|