Revision history   OpenPOWER Library

 10.1.19. PSL Key Two Register (PSL_KEY2)

 The PSL Key Two Register (PSL_KEY2) is used by system software to authenticate the PSL design. The value written to this register is implementation specific.

 There is only one register for the PSL. Access to this register should be privileged. This register must be accessed using a single 64-bit store operation.

Access Type

Write

 Base Address Offset

 P1_Base + x'0018'

KEY2

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

KEY2

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

Bits

Field Name

Description

 0:63

 Key2

 PSL key two.

 The key value written to this register is used by system software as an authentication challenge of the PSL. The actions taken by the PSL when this register is written are implementation specific.


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