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ams: allow bootloader to merely approximate correct target firmware

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This commit is contained in:
Michael Scire 2021-10-11 00:54:17 -07:00
parent d41de21753
commit 5708bb1557
24 changed files with 281 additions and 396 deletions
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31
libraries/libstratosphere/source/hos/hos_stratosphere_api.cpp
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@ -14,7 +14,6 @@
* 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 {
@ -34,23 +33,29 @@ extern "C" {
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. */
}
}
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::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);
hos::InitializeVersionInternal(CanAllowTemporaryApproximateVersion());
/* Check that we're running under mesosphere. */
AMS_ABORT_UNLESS(svc::IsKernelMesosphere());