This function copies Len bytes from source memory to destination memory. If Len is greater than DestPtrLen, then DestPtr is also filled with 0s till DestPtrLen bytes and is considered as a failure. This function is a secure implementation of memcpy.
Zeroizes the memory of given length
Prototype
s32 Xil_SecureMemCpy(void *DestPtr, u32 DestPtrLen, const void *SrcPtr, u32 Len);Parameters
The following table lists the Xil_SecureMemCpy function arguments.
| Type | Member | Description |
|---|---|---|
| void * | DestPtr | is pointer to destination address |
| u32 | DestPtrLen | is the memory allotted to the destination buffer |
| const void * | SrcPtr | is pointer to source address |
| u32 | Len | is number of bytes to be copied |