41-40 Vol. 3D

SGX INSTRUCTION REFERENCES

Flags Affected

ZF is cleared if successful, otherwise ZF is set and RAX contains the error code. CF, PF, AF, OF, SF are cleared.

Protected Mode Exceptions

#GP(0)

If a memory operand is not properly aligned.
If another instruction is modifying the SECS.
If the enclave is already initialized.
If the SECS.MRENCLAVE is in use.

#PF(error code)

If a page fault occurs in accessing memory operands.
If RCX does not resolve in an EPC page.
If the memory address is not a valid, uninitialized SECS.

64-Bit Mode Exceptions

#GP(0)

If a memory operand is not properly aligned.
If another instruction is modifying the SECS.
If the enclave is already initialized.
If the SECS.MRENCLAVE is in use.

#PF(error code)

If a page fault occurs in accessing memory operands.
If RCX does not resolve in an EPC page.
If the memory address is not a valid, uninitialized SECS.