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Horizon-OC/Source/sys-clk/sysmodule/src/clock_manager.cpp
souldbminersmwc f3eae72b47 rewrite everything
2025-09-17 19:56:06 -04:00

317 lines
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C++

/*
* --------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <p-sam@d3vs.net>, <natinusala@gmail.com>, <m4x@m4xw.net>
* wrote this file. As long as you retain this notice you can do whatever you
* want with this stuff. If you meet any of us some day, and you think this
* stuff is worth it, you can buy us a beer in return. - The sys-clk authors
* --------------------------------------------------------------------------
*/
#include "clock_manager.h"
#include <cstring>
#include "file_utils.h"
#include "board.h"
#include "process_management.h"
#include "errors.h"
#include "ipc_service.h"
ClockManager::ClockManager()
{
this->config = Config::CreateDefault();
this->context = new SysClkContext;
this->context->applicationId = 0;
this->context->profile = SysClkProfile_Handheld;
this->context->enabled = false;
for (unsigned int module = 0; module < SysClkModule_EnumMax; module++)
{
this->context->freqs[module] = 0;
this->context->realFreqs[module] = 0;
this->context->overrideFreqs[module] = 0;
this->RefreshFreqTableRow((SysClkModule)module);
}
this->running = false;
this->lastTempLogNs = 0;
this->lastCsvWriteNs = 0;
}
ClockManager::~ClockManager()
{
delete this->config;
delete this->context;
}
SysClkContext ClockManager::GetCurrentContext()
{
std::scoped_lock lock{this->contextMutex};
return *this->context;
}
Config *ClockManager::GetConfig()
{
return this->config;
}
void ClockManager::SetRunning(bool running)
{
this->running = running;
}
bool ClockManager::Running()
{
return this->running;
}
void ClockManager::GetFreqList(SysClkModule module, std::uint32_t *list, std::uint32_t maxCount, std::uint32_t *outCount)
{
ASSERT_ENUM_VALID(SysClkModule, module);
*outCount = std::min(maxCount, this->freqTable[module].count);
memcpy(list, &this->freqTable[module].list[0], *outCount * sizeof(this->freqTable[0].list[0]));
}
bool ClockManager::IsAssignableHz(SysClkModule module, std::uint32_t hz)
{
switch (module)
{
case SysClkModule_CPU:
return hz >= 400000000;
case SysClkModule_MEM:
return hz == 204000000 || hz >= 665600000;
default:
return true;
}
}
std::uint32_t ClockManager::GetMaxAllowedHz(SysClkModule module, SysClkProfile profile)
{
return 4294967294; // Integer limit, uncapped clocks ON
}
std::uint32_t ClockManager::GetNearestHz(SysClkModule module, std::uint32_t inHz, std::uint32_t maxHz)
{
std::uint32_t *freqs = &this->freqTable[module].list[0];
size_t count = this->freqTable[module].count - 1;
size_t i = 0;
while (i < count)
{
if (maxHz > 0 && freqs[i] >= maxHz)
{
break;
}
if (inHz <= ((std::uint64_t)freqs[i] + freqs[i + 1]) / 2)
{
break;
}
i++;
}
return freqs[i];
}
bool ClockManager::ConfigIntervalTimeout(SysClkConfigValue intervalMsConfigValue, std::uint64_t ns, std::uint64_t *lastLogNs)
{
std::uint64_t logInterval = this->GetConfig()->GetConfigValue(intervalMsConfigValue) * 1000000ULL;
bool shouldLog = logInterval && ((ns - *lastLogNs) > logInterval);
if (shouldLog)
{
*lastLogNs = ns;
}
return shouldLog;
}
void ClockManager::RefreshFreqTableRow(SysClkModule module)
{
std::scoped_lock lock{this->contextMutex};
std::uint32_t freqs[SYSCLK_FREQ_LIST_MAX];
std::uint32_t count;
FileUtils::LogLine("[mgr] %s freq list refresh", Board::GetModuleName(module, true));
Board::GetFreqList(module, &freqs[0], SYSCLK_FREQ_LIST_MAX, &count);
std::uint32_t *hz = &this->freqTable[module].list[0];
this->freqTable[module].count = 0;
for (std::uint32_t i = 0; i < count; i++)
{
if (!this->IsAssignableHz(module, freqs[i]))
{
continue;
}
*hz = freqs[i];
FileUtils::LogLine("[mgr] %02u - %u - %u.%u MHz", this->freqTable[module].count, *hz, *hz / 1000000, *hz / 100000 - *hz / 1000000 * 10);
this->freqTable[module].count++;
hz++;
}
FileUtils::LogLine("[mgr] count = %u", this->freqTable[module].count);
}
void ClockManager::Tick()
{
std::scoped_lock lock{this->contextMutex};
if (this->RefreshContext() || this->config->Refresh())
{
std::uint32_t targetHz = 0;
std::uint32_t maxHz = 0;
std::uint32_t nearestHz = 0;
for (unsigned int module = 0; module < SysClkModule_EnumMax; module++)
{
targetHz = this->context->overrideFreqs[module];
if (!targetHz)
{
targetHz = this->config->GetAutoClockHz(this->context->applicationId, (SysClkModule)module, this->context->profile);
}
if (targetHz)
{
maxHz = this->GetMaxAllowedHz((SysClkModule)module, this->context->profile);
nearestHz = this->GetNearestHz((SysClkModule)module, targetHz, maxHz);
if (nearestHz != this->context->freqs[module] && this->context->enabled)
{
FileUtils::LogLine(
"[mgr] %s clock set : %u.%u MHz (target = %u.%u MHz)",
Board::GetModuleName((SysClkModule)module, true),
nearestHz / 1000000, nearestHz / 100000 - nearestHz / 1000000 * 10,
targetHz / 1000000, targetHz / 100000 - targetHz / 1000000 * 10);
Board::SetHz((SysClkModule)module, nearestHz);
this->context->freqs[module] = nearestHz;
}
}
}
}
}
void ClockManager::WaitForNextTick()
{
svcSleepThread(this->GetConfig()->GetConfigValue(SysClkConfigValue_PollingIntervalMs) * 1000000ULL);
}
bool ClockManager::RefreshContext()
{
bool hasChanged = false;
bool enabled = this->GetConfig()->Enabled();
if (enabled != this->context->enabled)
{
this->context->enabled = enabled;
FileUtils::LogLine("[mgr] " TARGET " status: %s", enabled ? "enabled" : "disabled");
hasChanged = true;
}
std::uint64_t applicationId = ProcessManagement::GetCurrentApplicationId();
if (applicationId != this->context->applicationId)
{
FileUtils::LogLine("[mgr] TitleID change: %016lX", applicationId);
this->context->applicationId = applicationId;
hasChanged = true;
}
SysClkProfile profile = Board::GetProfile();
if (profile != this->context->profile)
{
FileUtils::LogLine("[mgr] Profile change: %s", Board::GetProfileName(profile, true));
this->context->profile = profile;
hasChanged = true;
}
// restore clocks to stock values on app or profile change
if (hasChanged)
{
Board::ResetToStock();
this->WaitForNextTick();
}
std::uint32_t hz = 0;
for (unsigned int module = 0; module < SysClkModule_EnumMax; module++)
{
hz = Board::GetHz((SysClkModule)module);
if (hz != 0 && hz != this->context->freqs[module])
{
FileUtils::LogLine("[mgr] %s clock change: %u.%u MHz", Board::GetModuleName((SysClkModule)module, true), hz / 1000000, hz / 100000 - hz / 1000000 * 10);
this->context->freqs[module] = hz;
hasChanged = true;
}
hz = this->GetConfig()->GetOverrideHz((SysClkModule)module);
if (hz != this->context->overrideFreqs[module])
{
if (hz)
{
FileUtils::LogLine("[mgr] %s override change: %u.%u MHz", Board::GetModuleName((SysClkModule)module, true), hz / 1000000, hz / 100000 - hz / 1000000 * 10);
}
else
{
FileUtils::LogLine("[mgr] %s override disabled", Board::GetModuleName((SysClkModule)module, true));
}
this->context->overrideFreqs[module] = hz;
hasChanged = true;
}
}
std::uint64_t ns = armTicksToNs(armGetSystemTick());
// temperatures do not and should not force a refresh, hasChanged untouched
std::uint32_t millis = 0;
bool shouldLogTemp = this->ConfigIntervalTimeout(SysClkConfigValue_TempLogIntervalMs, ns, &this->lastTempLogNs);
for (unsigned int sensor = 0; sensor < SysClkThermalSensor_EnumMax; sensor++)
{
millis = Board::GetTemperatureMilli((SysClkThermalSensor)sensor);
if (shouldLogTemp)
{
FileUtils::LogLine("[mgr] %s temp: %u.%u °C", Board::GetThermalSensorName((SysClkThermalSensor)sensor, true), millis / 1000, (millis - millis / 1000 * 1000) / 100);
}
this->context->temps[sensor] = millis;
}
// power stats do not and should not force a refresh, hasChanged untouched
std::int32_t mw = 0;
bool shouldLogPower = this->ConfigIntervalTimeout(SysClkConfigValue_PowerLogIntervalMs, ns, &this->lastPowerLogNs);
for (unsigned int sensor = 0; sensor < SysClkPowerSensor_EnumMax; sensor++)
{
mw = Board::GetPowerMw((SysClkPowerSensor)sensor);
if (shouldLogPower)
{
FileUtils::LogLine("[mgr] Power %s: %d mW", Board::GetPowerSensorName((SysClkPowerSensor)sensor, false), mw);
}
this->context->power[sensor] = mw;
}
// real freqs do not and should not force a refresh, hasChanged untouched
std::uint32_t realHz = 0;
bool shouldLogFreq = this->ConfigIntervalTimeout(SysClkConfigValue_FreqLogIntervalMs, ns, &this->lastFreqLogNs);
for (unsigned int module = 0; module < SysClkModule_EnumMax; module++)
{
realHz = Board::GetRealHz((SysClkModule)module);
if (shouldLogFreq)
{
FileUtils::LogLine("[mgr] %s real freq: %u.%u MHz", Board::GetModuleName((SysClkModule)module, true), realHz / 1000000, realHz / 100000 - realHz / 1000000 * 10);
}
this->context->realFreqs[module] = realHz;
}
// ram load do not and should not force a refresh, hasChanged untouched
for (unsigned int loadSource = 0; loadSource < SysClkRamLoad_EnumMax; loadSource++)
{
this->context->ramLoad[loadSource] = Board::GetRamLoad((SysClkRamLoad)loadSource);
}
if (this->ConfigIntervalTimeout(SysClkConfigValue_CsvWriteIntervalMs, ns, &this->lastCsvWriteNs))
{
FileUtils::WriteContextToCsv(this->context);
}
return hasChanged;
}