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better SMC change description
* Physical layout in TZRAM changed significantly, with pk2ldr being in low TZRAM instead of high TZRAM.
* Physical layout in TZRAM changed significantly, with pk2ldr being in low TZRAM instead of high TZRAM.
In addition, there were changes to the SMC interface:
In addition, there were changes to the [[SMC]] interface:
* smcLoadSecureExpModKey no longer exists.
* smcLoadSecureExpModKey/smcLoadRsaOaepKey/smcDecryptRsaPrivateKey no longer exist.
* smcLoadRsaOaepKey has been replaced with a new SMC (0xC300D60C) that loads two keys into TrustZone.
* smcLoadRsaOaepKey was replaced with smcEncryptRsaPrivateKeyForImport.
* smcDecryptRsaPrivateKey was replaced with smcDecryptOrImportRsaPrivateKey.
** All keys which were previously imported with specific keys now first call smcEncryptRsaPrivateKeyForImport with the appopriate enum member to get a sealed copy of the RSA key, then smcDecryptOrImportRsaPrivateKey to import/unseal the key when needed.
* smcGetConfig was extended with two new config items:
* smcGetConfig was extended with two new config items:
* -GetConfig(16) now does the following, which seems to check whether the Switch is running on a Tegra 210:
* -GetConfig(16) now does the following, which seems to check whether the Switch is running on a Tegra 210: