123 lines
4.1 KiB
C++
123 lines
4.1 KiB
C++
/*
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* Copyright (C) Switch-OC-Suite
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*
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* Copyright (c) Souldbminer, Lightos_ and Horizon OC Contributors
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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 "ptm.hpp"
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namespace ams::ldr::hoc::ptm {
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Result CpuPtmBoost(perf_conf_entry* entry) {
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bool isMariko = (spl::GetSocType() == spl::SocType_Mariko);
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if (!C.eristaCpuBoostClock || !C.marikoCpuBoostClock) {
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R_SUCCEED();
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}
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u32 cpuPtmBoostNew = isMariko ? C.marikoCpuBoostClock * 1000 : C.eristaCpuBoostClock * 1000;
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PATCH_OFFSET(&(entry->cpu_freq_1), cpuPtmBoostNew);
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PATCH_OFFSET(&(entry->cpu_freq_2), cpuPtmBoostNew);
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R_SUCCEED();
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}
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Result MemPtm(perf_conf_entry* entry) {
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PATCH_OFFSET(&(entry->emc_freq_1), memPtmLimit);
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PATCH_OFFSET(&(entry->emc_freq_2), memPtmLimit);
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R_SUCCEED();
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}
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bool PtmEntryIsValid(perf_conf_entry* entry) {
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return (entry->cpu_freq_1 == entry->cpu_freq_2 && entry->gpu_freq_1 == entry->gpu_freq_2 && entry->emc_freq_1 == entry->emc_freq_2);
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}
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bool PtmTablePatternFn(u32* ptr) {
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perf_conf_entry* entry = reinterpret_cast<perf_conf_entry *>(ptr);
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if (!PtmEntryIsValid(entry)) {
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return false;
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}
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return entry->cpu_freq_1 == cpuPtmDefault;
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}
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void Patch(uintptr_t mapped_nso, size_t nso_size) {
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perf_conf_entry* confTable = nullptr;
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for (uintptr_t ptr = mapped_nso; ptr <= mapped_nso + nso_size - sizeof(perf_conf_entry) * entryCnt; ptr += sizeof(u32)) {
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u32* ptr32 = reinterpret_cast<u32 *>(ptr);
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if (PtmTablePatternFn(ptr32)) {
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confTable = reinterpret_cast<perf_conf_entry *>(ptr);
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break;
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}
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}
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if (!confTable) {
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CRASH("confTable not found!");
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}
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PatcherEntry<perf_conf_entry> cpuPtmBoostPatch = { "CPU Ptm Boost", &CpuPtmBoost, 2, };
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PatcherEntry<perf_conf_entry> memPtmPatch = { "MEM Ptm", &MemPtm, 16, };
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bool isMariko = (spl::GetSocType() == spl::SocType_Mariko);
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for (u32 i = 0; i < entryCnt; i++) {
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perf_conf_entry *entry = confTable + i;
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if (!PtmEntryIsValid(entry)) {
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LOGGING("@%p", &entry);
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CRASH("Invalid ptm confTable entry");
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}
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switch (entry->cpu_freq_1) {
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case cpuPtmBoost:
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cpuPtmBoostPatch.Apply(entry);
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break;
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case cpuPtmDefault:
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case cpuPtmDevOC:
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break;
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default:
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LOGGING("%u (0x%08x) @%p", entry->cpu_freq_1, entry->conf_id, &(entry->cpu_freq_1));
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CRASH("Unknown CPU Freq");
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}
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switch (entry->emc_freq_1) {
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case memPtmLimit:
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case memPtmAlt:
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case memPtmClamp:
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if (isMariko) {
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memPtmPatch.Apply(entry);
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}
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break;
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default:
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LOGGING("%u (0x%08x) @%p", entry->emc_freq_1, entry->conf_id, &(entry->emc_freq_2));
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CRASH("Unknown MEM Freq");
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}
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}
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LOGGING("%s Count: %zu", cpuPtmBoostPatch.description, cpuPtmBoostPatch.patched_count);
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if (R_FAILED(cpuPtmBoostPatch.CheckResult()))
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CRASH(cpuPtmBoostPatch.description);
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if (isMariko) {
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LOGGING("%s Count: %zu", memPtmPatch.description, memPtmPatch.patched_count);
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if (R_FAILED(memPtmPatch.CheckResult()))
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CRASH(memPtmPatch.description);
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}
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}
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}
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