41-30 Vol. 3D
SGX INSTRUCTION REFERENCES
(* make sure the enclave owning the PT_REG or PT_TCS page allow debug *)
IF (TMP_SECS.ATTRIBUTES.DEBUG = 0)
THEN #GP(0); FI;
IF ( (TMP_MODE64 = 1) )
THEN (DS:RCX)[63:0] RBX[63:0];
ELSE (DS:RCX)[31:0] EBX[31:0];
FI;
Flags Affected
None
Protected Mode Exceptions
#GP(0)
If the address in RCS violates DS limit or access rights.
If DS segment is unusable.
If RCX points to a memory location not 4Byte-aligned.
If the address in RCX points to a page belonging to a non-debug enclave.
If the address in RCX points to a page which is not PT_TCS or PT_REG.
If the address in RCX points to a location inside TCS that is not the FLAGS word.
#PF(error code)
If a page fault occurs in accessing memory operands.
If the address in RCX points to a non-EPC page.
If the address in RCX points to an invalid EPC page.
64-Bit Mode Exceptions
#GP(0)
If RCX is non-canonical form.
If RCX points to a memory location not 8Byte-aligned.
If the address in RCX points to a page belonging to a non-debug enclave.
If the address in RCX points to a page which is not PT_TCS or PT_REG.
If the address in RCX points to a location inside TCS that is not the FLAGS word.
#PF(error code)
If a page fault occurs in accessing memory operands.
If the address in RCX points to a non-EPC page.
If the address in RCX points to an invalid EPC page.