XilSKey_ZynqMp_EfusePs_ReadSecCtrlBits_Regs - 2021.1 English

Xilinx Standalone Library Documentation OS and Libraries Document Collection (UG643)

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2021.1 English

This function is used to read the PS eFUSE secure control bits from cache or from eFUSE array based on user selection.

Note: It is highly recommended to read from eFuse cache. Because reading from efuse may reduce the life of the efuse. And Cache reload is required for obtaining updated values for ReadOption 0.


INLINE void XilSKey_ZynqMp_EfusePs_ReadSecCtrlBits_Regs(XilSKey_SecCtrlBits *ReadBackSecCtrlBits);


The following table lists the XilSKey_ZynqMp_EfusePs_ReadSecCtrlBits_Regs function arguments.

Table 1. XilSKey_ZynqMp_EfusePs_ReadSecCtrlBits_Regs Arguments
Type Name Description
XilSKey_SecCtrlBits * ReadBackSecCtrlBits is the pointer to the XilSKey_SecCtrlBits which holds the read secure control bits.


  • XST_SUCCESS if reads successfully
  • XST_FAILURE if reading is failed