util.cpp

/*
 * Copyright (c) 2020-2023 Studious Pancake
 *
 * 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 "util.hpp"

#include <switch.h>

#include <optional>
#include <cstdio>

namespace util {

    bool IsErista() {
        static std::optional<bool> impl;

        if (impl.has_value())
            return *impl;

        u64 type = 0;

        if (R_FAILED(splGetConfig(SplConfigItem_HardwareType, &type)))
            return false;

        impl = (type == 0 /* SplHardwareType_Icosa */ || type == 1 /* SplHardwareType_Copper */);

        return *impl;
    }

    /**
     * Since 1.6.0, Atmosphère bpc-mitm overwrites the reboot on mariko to prevent clearing
     * Timers. We are using those timing registers to communicate with hekate.
     */
    bool SupportsMarikoRebootToConfig() {
        static std::optional<bool> impl;

        if (impl.has_value())
            return *impl;

        u64 version = 0;
        
        if (R_FAILED(splGetConfig(static_cast<SplConfigItem>(65000), &version)))
            return false;

        const u32 version_minor = (version >> 48) & 0xff;
        const u32 version_major = (version >> 56) & 0xff;

        impl = (version_major >= 1 && version_minor >= 6);

        return *impl;
    }

}