113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/*
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Copyright (c) 2016, The CyanogenMod Project
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Copyright (c) 2019, The LineageOS Project
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of The Linux Foundation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <cstdlib>
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#include <fstream>
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#include <string.h>
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#include <sys/sysinfo.h>
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#include <unistd.h>
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#include <android-base/properties.h>
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#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
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#include <sys/_system_properties.h>
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#include "vendor_init.h"
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#include "property_service.h"
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using android::base::GetProperty;
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using android::init::property_set;
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char const *heapstartsize;
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char const *heapgrowthlimit;
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char const *heapsize;
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char const *heapminfree;
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char const *heapmaxfree;
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char const *heaptargetutilization;
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void property_override(char const prop[], char const value[], bool add = true)
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{
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prop_info *pi;
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pi = (prop_info*) __system_property_find(prop);
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if (pi)
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__system_property_update(pi, value, strlen(value));
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else if (add)
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__system_property_add(prop, strlen(prop), value, strlen(value));
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}
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void check_device()
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{
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struct sysinfo sys;
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sysinfo(&sys);
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if (sys.totalram > 5072ull * 1024 * 1024) {
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// from - phone-xhdpi-6144-dalvik-heap.mk
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heapstartsize = "16m";
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heapgrowthlimit = "256m";
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heapsize = "512m";
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heaptargetutilization = "0.5";
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heapminfree = "8m";
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heapmaxfree = "32m";
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} else if (sys.totalram > 3072ull * 1024 * 1024) {
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// from - phone-xxhdpi-4096-dalvik-heap.mk
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heapstartsize = "8m";
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heapgrowthlimit = "256m";
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heapsize = "512m";
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heaptargetutilization = "0.6";
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heapminfree = "8m";
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heapmaxfree = "16m";
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} else {
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// from - phone-xhdpi-2048-dalvik-heap.mk
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heapstartsize = "8m";
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heapgrowthlimit = "192m";
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heapsize = "512m";
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heaptargetutilization = "0.75";
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heapminfree = "512k";
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heapmaxfree = "8m";
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}
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}
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void vendor_load_properties()
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{
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check_device();
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property_set("dalvik.vm.heapstartsize", heapstartsize);
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property_set("dalvik.vm.heapgrowthlimit", heapgrowthlimit);
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property_set("dalvik.vm.heapsize", heapsize);
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property_set("dalvik.vm.heaptargetutilization", heaptargetutilization);
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property_set("dalvik.vm.heapminfree", heapminfree);
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property_set("dalvik.vm.heapmaxfree", heapmaxfree);
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// Setting carrier prop
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std::string carrier = GetProperty("ro.boot.carrier", "unknown");
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property_override("ro.carrier", carrier.c_str());
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}
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