Atmosphere/libraries/libstratosphere/source/hos/hos_stratosphere_api.cpp

/*
 * Copyright (c) 2018-2020 Atmosphère-NX
 *
 * 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 <stratosphere.hpp>
#include "hos_version_api_private.hpp"
#include "../os/impl/os_rng_manager.hpp"

namespace ams::os {

    void InitializeForStratosphereInternal();

}

extern "C" {

    /* Provide libnx address space allocation shim. */
    uintptr_t __libnx_virtmem_rng(void) {
        return static_cast<uintptr_t>(::ams::os::impl::GetRngManager().GenerateRandomU64());
    }

}

namespace ams::hos {

    void InitializeForStratosphere() {
        /* Initialize the global os resource managers. This *must* be done before anything else in stratosphere. */
        os::InitializeForStratosphereInternal();

        /* Initialize hos::Version API. */
        hos::SetVersionForLibnxInternal();

        /* Check that we're running under mesosphere. */
        AMS_ABORT_UNLESS(svc::IsKernelMesosphere());
    }

    void InitializeForStratosphereDebug(hos::Version debug_version) {
        /* Initialize the global os resource managers. This *must* be done before anything else in stratosphere. */
        os::InitializeForStratosphereInternal();

        /* Initialize hos::Version API. */
        hos::SetVersionForLibnxInternalDebug(debug_version);

        /* Check that we're running under mesosphere. */
        AMS_ABORT_UNLESS(svc::IsKernelMesosphere());
    }

}