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exo2: tentative (read: bugged) SmcComputeCmac, SmcGenerateSpecificAesKey, SmcGetSecureData

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Michael Scire 2020-05-15 17:42:04 -07:00 • committed by SciresM
parent e0dbfc69a8
commit aa50944568
7 changed files with 316 additions and 7 deletions
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16
exosphere2/program/source/smc/secmon_smc_handler.cpp
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@ -140,7 +140,11 @@ namespace ams::secmon::smc {
{ 0xF0000201, Restriction_None, SmcIramCopy },
{ 0xF0000002, Restriction_None, SmcReadWriteRegister },
{ 0xF0000003, Restriction_None, SmcWriteAddress },
{ 0xF0000003, Restriction_None, SmcGetEmummcConfig },
{ 0xF0000404, Restriction_None, SmcGetEmummcConfig },
};
constexpr const HandlerInfo GetSecureDataHandlerInfo = {
0x67891234, Restriction_None, SmcGetSecureData
};
constinit HandlerTable g_handler_tables[] = {
@ -163,6 +167,11 @@ namespace ams::secmon::smc {
InvalidSmcError(id);
}
/* Provide support for legacy SmcGetSecureData. */
if (id == GetSecureDataHandlerInfo.function_id) {
return g_handler_tables[HandlerType_User];
}
/* Check if we're a user SMC. */
if (type == HandlerType_User) {
/* Nintendo uses OEM SMCs. */
@ -181,6 +190,11 @@ namespace ams::secmon::smc {
}
const HandlerInfo &GetHandlerInfo(const HandlerTable &table, u64 id) {
/* Provide support for legacy SmcGetSecureData. */
if (id == GetSecureDataHandlerInfo.function_id) {
return GetSecureDataHandlerInfo;
}
/* Get and check the index. */
const auto index = util::BitPack64{id}.Get<SmcFunctionId::FunctionId>();
if (AMS_UNLIKELY(index >= table.count)) {