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exo: implement remaining SE changes for mariko support

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This commit is contained in:
Michael Scire 2020-06-28 21:11:29 -07:00
parent 5cb9fa510e
commit bf92daf055
9 changed files with 167 additions and 67 deletions
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31
libraries/libexosphere/source/se/se_aes.cpp
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@ -362,22 +362,29 @@ namespace ams::se {
StartOperationRaw(SE, SE_OPERATION_OP_START, out_ll_address, in_ll_address);
}
void ClearAesKeySlot(volatile SecurityEngineRegisters *SE, int slot) {
/* Validate the key slot. */
AMS_ABORT_UNLESS(0 <= slot && slot < AesKeySlotCount);
for (int i = 0; i < 16; ++i) {
/* Select the keyslot. */
reg::Write(SE->SE_CRYPTO_KEYTABLE_ADDR, SE_REG_BITS_VALUE(CRYPTO_KEYTABLE_ADDR_KEYIV_KEY_SLOT, slot), SE_REG_BITS_VALUE(CRYPTO_KEYTABLE_ADDR_KEYIV_WORD, i));
/* Write the data. */
SE->SE_CRYPTO_KEYTABLE_DATA = 0;
}
}
}
void ClearAesKeySlot(int slot) {
/* Validate the key slot. */
AMS_ABORT_UNLESS(0 <= slot && slot < AesKeySlotCount);
/* Clear the slot in SE1. */
ClearAesKeySlot(GetRegisters(), slot);
}
/* Get the engine. */
auto *SE = GetRegisters();
for (int i = 0; i < 16; ++i) {
/* Select the keyslot. */
reg::Write(SE->SE_CRYPTO_KEYTABLE_ADDR, SE_REG_BITS_VALUE(CRYPTO_KEYTABLE_ADDR_KEYIV_KEY_SLOT, slot), SE_REG_BITS_VALUE(CRYPTO_KEYTABLE_ADDR_KEYIV_WORD, i));
/* Write the data. */
SE->SE_CRYPTO_KEYTABLE_DATA = 0;
}
void ClearAesKeySlot2(int slot) {
/* Clear the slot in SE2. */
ClearAesKeySlot(GetRegisters2(), slot);
}
void ClearAesKeyIv(int slot) {