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exo2: implement SmcComputeAes, SmcGetResult, SmcGetResultData

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Michael Scire 2020-05-15 14:58:45 -07:00 • committed by SciresM
parent b6b114ec40
commit e0dbfc69a8
16 changed files with 486 additions and 24 deletions
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25
libraries/libexosphere/source/se/se_execute.cpp
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@ -64,6 +64,13 @@ namespace ams::se {
reg::Write(SE->SE_OPERATION, SE_REG_BITS_VALUE(OPERATION_OP, op));
}
void EnsureOperationStarted(volatile SecurityEngineRegisters *SE) {
/* Read the operation register to make sure our write takes. */
reg::Read(SE->SE_OPERATION);
hw::DataSynchronizationBarrierInnerShareable();
}
void WaitForOperationComplete(volatile SecurityEngineRegisters *SE) {
/* Spin until the operation is done. */
while (reg::HasValue(SE->SE_INT_STATUS, SE_REG_BITS_ENUM(INT_STATUS_SE_OP_DONE, CLEAR))) { /* ... */ }
@ -124,6 +131,18 @@ namespace ams::se {
std::memcpy(dst, aligned, dst_size);
}
void StartOperationRaw(volatile SecurityEngineRegisters *SE, SE_OPERATION_OP op, u32 out_ll_address, u32 in_ll_address) {
/* Configure the linked list addresses. */
reg::Write(SE->SE_IN_LL_ADDR, in_ll_address);
reg::Write(SE->SE_OUT_LL_ADDR, out_ll_address);
/* Start the operation. */
StartOperation(SE, op);
/* Ensure the operation is started. */
EnsureOperationStarted(SE);
}
void ValidateAesOperationResult(volatile SecurityEngineRegisters *SE) {
/* Ensure no error occurred. */
AMS_ABORT_UNLESS(reg::HasValue(SE->SE_INT_STATUS, SE_REG_BITS_ENUM(INT_STATUS_ERR_STAT, CLEAR)));
@ -132,7 +151,11 @@ namespace ams::se {
AMS_ABORT_UNLESS(reg::HasValue(SE->SE_STATUS, SE_REG_BITS_ENUM(STATUS_STATE, IDLE)));
/* Ensure there is no error status. */
AMS_ABORT_UNLESS(reg::Read(SE->SE_ERR_STATUS) == 0);
AMS_ABORT_UNLESS(reg::Read(SE->SE_ERR_STATUS) == 0);
}
void ValidateAesOperationResult() {
return ValidateAesOperationResult(GetRegisters());
}
}