mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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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
83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
/*
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* Copyright (c) 2018-2020 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 <stratosphere.hpp>
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#include "fatal_task_clock.hpp"
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namespace ams::fatal::srv {
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namespace {
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/* Task definition. */
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class AdjustClockTask : public ITaskWithDefaultStack {
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private:
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Result AdjustClockForModule(PcvModule module, u32 hz);
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Result AdjustClock();
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public:
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virtual Result Run() override;
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virtual const char *GetName() const override {
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return "AdjustClockTask";
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}
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};
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/* Task global. */
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AdjustClockTask g_adjust_clock_task;
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/* Task implementation. */
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Result AdjustClockTask::AdjustClockForModule(PcvModule module, u32 hz) {
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if (hos::GetVersion() >= hos::Version_8_0_0) {
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/* On 8.0.0+, convert to module id + use clkrst API. */
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PcvModuleId module_id;
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R_TRY(pcvGetModuleId(&module_id, module));
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ClkrstSession session;
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R_TRY(clkrstOpenSession(&session, module_id, 3));
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ON_SCOPE_EXIT { clkrstCloseSession(&session); };
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R_TRY(clkrstSetClockRate(&session, hz));
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} else {
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/* On 1.0.0-7.0.1, use pcv API. */
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R_TRY(pcvSetClockRate(module, hz));
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}
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return ResultSuccess();
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}
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Result AdjustClockTask::AdjustClock() {
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/* Fatal sets the CPU to 1020MHz, the GPU to 307 MHz, and the EMC to 1331MHz. */
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constexpr u32 CPU_CLOCK_1020MHZ = 0x3CCBF700L;
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constexpr u32 GPU_CLOCK_307MHZ = 0x124F8000L;
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constexpr u32 EMC_CLOCK_1331MHZ = 0x4F588000L;
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R_TRY(AdjustClockForModule(PcvModule_CpuBus, CPU_CLOCK_1020MHZ));
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R_TRY(AdjustClockForModule(PcvModule_GPU, GPU_CLOCK_307MHZ));
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R_TRY(AdjustClockForModule(PcvModule_EMC, EMC_CLOCK_1331MHZ));
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return ResultSuccess();
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}
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Result AdjustClockTask::Run() {
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return AdjustClock();
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}
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}
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ITask *GetAdjustClockTask(const ThrowContext *ctx) {
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g_adjust_clock_task.Initialize(ctx);
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return &g_adjust_clock_task;
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}
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}
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