31:7

0h

RW/V

MEMORY BASE ADDRESS (MBA)

Set by the OS, these bits correspond to address signals [63:39].

6

0h

RW/V

512GB ADDRESS MASK (ADMSK512GB)

This bit is either part of the Memory Base Address (R/W) or part of Address Mask (RO) depending on the value of PF_​RESZ_​CTRL.PFBARSIZE. RO and force to zero when PF_​RESZ_​CTRL.PFBARSIZE >= 512GB

5

0h

RW/V

256GB ADDRESS MASK (ADMSK256GB)

This bit is either part of the Memory Base Address (R/W) or part of Address Mask (RO) depending on the value of PF_​RESZ_​CTRL.PFBARSIZE. RO and force to zero when PF_​RESZ_​CTRL.PFBARSIZE >= 256GB

4

0h

RW/V

128GB ADDRESS MASK (ADMSK128GB)

This bit is either part of the Memory Base Address (R/W) or part of Address Mask (RO) depending on the value of PF_​RESZ_​CTRL.PFBARSIZE. RO and force to zero when PF_​RESZ_​CTRL.PFBARSIZE >= 128GB

3

0h

RW/V

64GB ADDRESS MASK (ADMSK64GB)

This bit is either part of the Memory Base Address (R/W) or part of Address Mask (RO) depending on the value of PF_​RESZ_​CTRL.PFBARSIZE. RO and force to zero when PF_​RESZ_​CTRL.PFBARSIZE >= 64GB

2

0h

RW/V

32 GB ADDRESS MASK (ADMSK32GB)

This bit is either part of the Memory Base Address (R/W) or part of Address Mask (RO) depending on the value of PF_​RESZ_​CTRL.PFBARSIZE. RO and force to zero when PF_​RESZ_​CTRL.PFBARSIZE >= 32GB

1

0h

RW/V

16 GB ADDRESS MASK (ADMSK16GB)

This bit is either part of the Memory Base Address (R/W) or part of Address Mask (RO) depending on the value of PF_​RESZ_​CTRL.PFBARSIZE. RO and force to zero when PF_​RESZ_​CTRL.PFBARSIZE >= 16GB

0

0h

RW/V

8 GB ADDRESS MASK (ADMSK8GB)

This bit is either part of the Memory Base Address (R/W) or part of Address Mask (RO) depending on the value of PF_​RESZ_​CTRL.PFBARSIZE. RO and force to zero when PF_​RESZ_​CTRL.PFBARSIZE >= 8GB