Intel® Core™ Ultra Processors for H-series and U-series Platforms CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 795258 | 07/29/2024 | Public |
Page Request Status Register (PRS_REG_0_0_0_VTDBAR) – Offset dc
Register to report pending page request in page request queue. This register is treated as RsvdZ by implementations reporting Page Request Support (PRS) as not supported in the Extended Capability register.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:2 | 0h | RO | Reserved |
| 1 | 0h | RW/1C/V/P | Page Request Overflow (PRO) Hardware detected a Page Request Overflow error. Hardware implementations not supporting the Page Request Queue implement this bit as RsvdZ. |
| 0 | 0h | RW/1C/V/P | Pending Page Request (PPR) Pending Page Request: Indicates pending page requests to be serviced by software in the page request queue. This field is Set by hardware when a streaming page request entry (page_stream_reg_dsc) or a page group request (page_grp_req_dsc) with Last Page in Group (LPG) field Set, is added to the page request queue. |