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

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2.4 KiB
C++

/*
* Copyright (c) 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 "../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 {
namespace {
bool CanAllowTemporaryApproximateVersion() {
/* Check if we're a program that can use a temporary approximate version. */
const auto program_id = os::GetCurrentProgramId();
return program_id == ncm::SystemProgramId::Pm || /* Needed so that boot has permissions to use fsp-srv. */
program_id == ncm::SystemProgramId::Sm || /* Needed so that boot can acquire fsp-srv. */
program_id == ncm::SystemProgramId::Boot || /* Needed so that boot can set the true target firmware. */
program_id == ncm::SystemProgramId::Spl || /* Needed so that FS can complete initialization. */
program_id == ncm::SystemProgramId::Ncm; /* Needed so that FS can determine where SystemVersion is located. */
}
}
bool IsUnitTestProgramForSetVersion();
void InitializeVersionInternal(bool allow_approximate);
void InitializeForStratosphere() {
/* Initialize the global os resource managers. This *must* be done before anything else in stratosphere. */
os::InitializeForStratosphereInternal();
/* Initialize hos::Version API. */
hos::InitializeVersionInternal(CanAllowTemporaryApproximateVersion());
/* Check that we're running under mesosphere. */
AMS_ABORT_UNLESS(IsUnitTestProgramForSetVersion() || svc::IsKernelMesosphere());
}
}