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Code Mnemonic Description
0F AA RSM Resume operation of interrupted program

Description
Returns program control from system management mode (SMM) to the application program or operating-system procedure that was interrupted when the processor received an SSM interrupt. The processor's state is restored from the dump created upon entering SMM. If the processor detects invalid state information during state restoration, it enters the shutdown state. The following invalid information can cause a shutdown:

The contents of the model-specific registers are not affected by a return from SMM.

Operands Bytes Clocks
2 83 NP

Flags
ID unaffected DF unaffected
VIP unaffected IF unaffected
VIF unaffected TF unaffected
AC unaffected SF unaffected
VM unaffected ZF unaffected
RF unaffected AF unaffected
NT unaffected PF unaffected
IOPL unaffected CF unaffected
OF unaffected