Offset - starting register number\r
Length - number of bytes to read\r
Buffer - destination buffer\r
- \r
+\r
Returns:\r
\r
EFI_SUCCESS - registers read successfully\r
Offset - starting register number\r
Length - number of bytes to write\r
Buffer - source buffer\r
- \r
+\r
Returns:\r
\r
EFI_SUCCESS - registers written successfully\r