MAIR_EL2 Attributes

[Raz <raziebe@xxxxxxxxx>]

1. According the documentation of MAIR_EL2 there are 8 attributes but

in the code you present only 6. Why ?

2. Why there are names to the attributes ? Does it make a difference if I assign

an attribute index 2 or attribute index 0 in the page while the two attr

/*
 * Memory types available.
 */
#define MT_DEVICE_nGnRnE    0
#define MT_DEVICE_nGnRE        1
#define MT_DEVICE_GRE        2
#define MT_NORMAL_NC        3
#define MT_NORMAL        4
#define MT_NORMAL_WT        5

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