mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-14 16:06:56 +00:00
3a1ccdd919
* ams: update to build with gcc10/c++20 * remove mno-outline-atomics * ams: take care of most TODO C++20s * fusee/sept: update for gcc10 * whoosh, your code now uses pre-compiled headers * make: dependency fixes
52 lines
1.7 KiB
C++
52 lines
1.7 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 <stratosphere.hpp>
|
|
#include "boot_pmc_wrapper.hpp"
|
|
|
|
namespace ams::boot {
|
|
|
|
namespace {
|
|
|
|
/* Convenience definitions. */
|
|
constexpr u32 SmcFunctionId_AtmosphereReadWriteRegister = 0xF0000002;
|
|
|
|
constexpr u32 PmcPhysStart = 0x7000E400;
|
|
constexpr u32 PmcPhysEnd = 0x7000EFFF;
|
|
|
|
/* Helpers. */
|
|
bool IsValidPmcAddress(u32 phys_addr) {
|
|
return (phys_addr & 3) == 0 && PmcPhysStart <= phys_addr && phys_addr <= PmcPhysEnd;
|
|
}
|
|
|
|
inline u32 ReadWriteRegisterImpl(uintptr_t phys_addr, u32 value, u32 mask) {
|
|
u32 out_value;
|
|
R_ABORT_UNLESS(spl::smc::ConvertResult(spl::smc::AtmosphereReadWriteRegister(phys_addr, mask, value, &out_value)));
|
|
return out_value;
|
|
}
|
|
|
|
}
|
|
|
|
u32 ReadPmcRegister(u32 phys_addr) {
|
|
AMS_ABORT_UNLESS(IsValidPmcAddress(phys_addr));
|
|
return ReadWriteRegisterImpl(phys_addr, 0, 0);
|
|
}
|
|
|
|
void WritePmcRegister(u32 phys_addr, u32 value, u32 mask) {
|
|
AMS_ABORT_UNLESS(IsValidPmcAddress(phys_addr));
|
|
ReadWriteRegisterImpl(phys_addr, value, mask);
|
|
}
|
|
|
|
}
|