The MPAMF_IDR characteristics are:
Indicates which memory partitioning and monitoring features are present on this MSC. MPAMF_IDR_s indicates the MPAM features accessed from the Secure MPAM feature page. MPAMF_IDR_ns indicates the MPAM features accessed from the Non-secure MPAM feature page.
The power domain of MPAMF_IDR is IMPLEMENTATION DEFINED.
MAMPF_IDR is 64-bit register when ARMv8.6-MPAM is implemented.
Otherwise, MAMPF_IDR is a 32-bit register.
The MPAMF_IDR bit assignments are:
63 | 62 | 61 | 60 | 59 | 58 | 57 | 56 | 55 | 54 | 53 | 52 | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 |
RES0 | RIS_MAX | RES0 | HAS_ESR | HAS_EXTD_ESR | NO_IMPL_MSMON | NO_IMPL_PART | RES0 | HAS_RIS | |||||||||||||||||||||||
HAS_PARTID_NRW | HAS_MSMON | HAS_IMPL_IDR | EXT | HAS_PRI_PART | HAS_MBW_PART | HAS_CPOR_PART | HAS_CCAP_PART | PMG_MAX | PARTID_MAX | ||||||||||||||||||||||
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved, RES0.
Maximum RIS value supported in MPAMCFG_PART_SEL. Must be 0b0000 if MPAMF_IDR.HAS_RIS == 0.
Reserved, RES0.
Reserved, RES0.
MPAMF_ESR is implemented.
HAS_ESR | Meaning |
---|---|
0b0 |
MPAMF_ESR, MPAM_ECR and MPAM error handling are not implemented. |
0b1 |
MPAMF_ESR, MPAM_ECR and MPAM error handling are implemented. |
Reserved, RES0.
MPAMF_ESR is 64 bits.
HAS_EXTD_ESR | Meaning |
---|---|
0b0 |
MPAMF_ESR is 32 bits. |
0b1 |
MPAMF_ESR is 64 bits. |
Reserved, RES0.
MPAMF_IMPL_IDR defines no IMPLEMENTATION DEFINED resource monitors.
NO_IMPL_MSMON | Meaning |
---|---|
0b0 |
MPAMF_IMPL_IDR defines at least one IMPLEMENTATION DEFINED resource monitor. |
0b1 |
MPAMF_IMPL_IDR does not define any IMPLEMENTATION DEFINED resource monitors. |
Reserved, RES0.
MPAMF_IMPL_IDR defines no IMPLEMENTATION DEFINED resource controls.
NO_IMPL_PART | Meaning |
---|---|
0b0 |
MPAMF_IMPL_IDR defines at least one IMPLEMENTATION DEFINED resource control. |
0b1 |
MPAMF_IMPL_IDR does not define any IMPLEMENTATION DEFINED resource controls. |
Reserved, RES0.
Reserved, RES0.
Has resource instance selector. Indicates that MPAMCFG_PART_SEL contains the RIS field that selects a resource instance to control.
HAS_RIS | Meaning |
---|---|
0b0 |
MPAMCFG_PART_SEL does not implement the MPAMFCFG_PART_SEL.RIS field or multiple resource instance suport. |
0b1 |
MPAMCFG_PART_SEL implements the MPAMFCFG_PART_SEL.RIS field and MPAM resource instance numbers up to and including MPAMF_IDR.RIS_MAX. |
Reserved, RES0.
Has PARTID narrowing.
HAS_PARTID_NRW | Meaning |
---|---|
0b0 |
Does not have MPAMF_PARTID_NRW_IDR, MPAMCFG_INTPARTID or intPARTID mapping support. |
0b1 |
Supports the MPAMF_PARTID_NRW_IDR, MPAMCFG_INTPARTID registers. |
Has resource monitors. Indicates whether this MSC has MPAM resource monitors.
HAS_MSMON | Meaning |
---|---|
0b0 |
Does not support MPAM resource monitoring by groups or MPAMF_MSMON_IDR. |
0b1 |
Supports resource monitoring by matching a combination of PARTID and PMG. See MPAMF_MSMON_IDR. |
Has MPAMF_IMPL_IDR. Indicates whether this MSC has the implementation-specific MPAM features register, MPAMF_IMPL_IDR.
HAS_IMPL_IDR | Meaning |
---|---|
0b0 |
Does not have MPAMF_IMPL_IDR. |
0b1 |
Has MPAMF_IMPL_IDR. |
Extended MPAMF_IDR.
EXT | Meaning |
---|---|
0b0 |
MPAMF_IDR has no defined bits in [63:32]. The register is effectively 32 bits. |
0b1 |
MPAMF_IDR has bits defined in [63:32]. The register is 64-bits. |
Reserved, RES0.
Has priority partitioning. Indicates whether this MSC implements MPAM priority partitioning and MPAMF_PRI_IDR.
HAS_PRI_PART | Meaning |
---|---|
0b0 |
Does not support priority partitioning or have MPAMF_PRI_IDR. |
0b1 |
Has MPAMF_PRI_IDR. |
Has memory bandwidth partitioning. Indicates whether this MSC implements MPAM memory bandwidth partitioning and MPAMF_MBW_IDR.
HAS_MBW_PART | Meaning |
---|---|
0b0 |
Does not support memory bandwidth partitioning or have MPAMF_MBW_IDR register. |
0b1 |
Has MPAMF_MBW_IDR register. |
Has cache portion partitioning. Indicates whether this MSC implements MPAM cache portion partitioning and MPAMF_CPOR_IDR.
HAS_CPOR_PART | Meaning |
---|---|
0b0 |
Does not support cache portion partitioning or have MPAMF_CPOR_IDR or MPAMCFG_CPBM registers. |
0b1 |
Has MPAMF_CPOR_IDR and MPAMCFG_CPBM registers. |
Has cache capacity partitioning. Indicates whether this MSC implements MPAM cache capacity partitioning and the MPAMF_CCAP_IDR and MPAMCFG_CMAX registers.
HAS_CCAP_PART | Meaning |
---|---|
0b0 |
Does not support cache capacity partitioning or have MPAMF_CCAP_IDR and MPAMCFG_CMAX registers. |
0b1 |
Has MPAMF_CCAP_IDR and MPAMCFG_CMAX registers. |
Maximum value of Non-secure PMG supported by this component.
Maximum value of Non-secure PARTID supported by this component.
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
HAS_PARTID_NRW | HAS_MSMON | HAS_IMPL_IDR | EXT | HAS_PRI_PART | HAS_MBW_PART | HAS_CPOR_PART | HAS_CCAP_PART | PMG_MAX | PARTID_MAX |
Has PARTID narrowing.
HAS_PARTID_NRW | Meaning |
---|---|
0b0 |
Does not have MPAMF_PARTID_NRW_IDR, MPAMCFG_INTPARTID or intPARTID mapping support. |
0b1 |
Supports the MPAMF_PARTID_NRW_IDR, MPAMCFG_INTPARTID registers. |
Has resource monitors. Indicates whether this MSC has MPAM resource monitors.
HAS_MSMON | Meaning |
---|---|
0b0 |
Does not support MPAM resource monitoring by groups or MPAMF_MSMON_IDR. |
0b1 |
Supports resource monitoring by matching a combination of PARTID and PMG. See MPAMF_MSMON_IDR. |
Has MPAMF_IMPL_IDR. Indicates whether this MSC has the implementation-specific MPAM features register, MPAMF_IMPL_IDR.
HAS_IMPL_IDR | Meaning |
---|---|
0b0 |
Does not have MPAMF_IMPL_IDR. |
0b1 |
Has MPAMF_IMPL_IDR. |
Extended MPAMF_IDR.
EXT | Meaning |
---|---|
0b0 |
MPAMF_IDR has no defined bits in [63:32]. The register is effectively 32 bits. |
0b1 |
MPAMF_IDR has bits defined in [63:32]. The register is 64-bits. |
Reserved, RES0.
Has priority partitioning. Indicates whether this MSC implements MPAM priority partitioning and MPAMF_PRI_IDR.
HAS_PRI_PART | Meaning |
---|---|
0b0 |
Does not support priority partitioning or have MPAMF_PRI_IDR. |
0b1 |
Has MPAMF_PRI_IDR. |
Has memory bandwidth partitioning. Indicates whether this MSC implements MPAM memory bandwidth partitioning and MPAMF_MBW_IDR.
HAS_MBW_PART | Meaning |
---|---|
0b0 |
Does not support memory bandwidth partitioning or have MPAMF_MBW_IDR register. |
0b1 |
Has MPAMF_MBW_IDR register. |
Has cache portion partitioning. Indicates whether this MSC implements MPAM cache portion partitioning and MPAMF_CPOR_IDR.
HAS_CPOR_PART | Meaning |
---|---|
0b0 |
Does not support cache portion partitioning or have MPAMF_CPOR_IDR or MPAMCFG_CPBM registers. |
0b1 |
Has MPAMF_CPOR_IDR and MPAMCFG_CPBM registers. |
Has cache capacity partitioning. Indicates whether this MSC implements MPAM cache capacity partitioning and the MPAMF_CCAP_IDR and MPAMCFG_CMAX registers.
HAS_CCAP_PART | Meaning |
---|---|
0b0 |
Does not support cache capacity partitioning or have MPAMF_CCAP_IDR and MPAMCFG_CMAX registers. |
0b1 |
Has MPAMF_CCAP_IDR and MPAMCFG_CMAX registers. |
Maximum value of Non-secure PMG supported by this component.
Maximum value of Non-secure PARTID supported by this component.
This register is within the MPAM feature page memory frames. In a system that supports Secure and Non-secure memory maps, there must be both Secure and Non-secure MPAM feature pages.
MPAMF_IDR is read-only.
MPAMF_IDR must be readable from the Non-secure and Secure MPAM feature pages.
MPAMF_IDR is permitted to have the same contents when read from either the Secure and Non-secure MPAM feature pages unless the register contents is different for Secure and Non-secure versions, when there must be separate registers in the Secure (MPAMF_IDR_s) and Non-secure (MPAMF_IDR_ns) MPAM feature pages.
Component | Frame | Offset | Instance |
---|---|---|---|
MPAM | MPAMF_BASE_s | 0x0000 | MPAMF_IDR_s |
Accesses on this interface are RO.
Component | Frame | Offset | Instance |
---|---|---|---|
MPAM | MPAMF_BASE_ns | 0x0000 | MPAMF_IDR_ns |
Accesses on this interface are RO.
13/12/2019 15:13; 391b5248b29fb2f001ef74792eaacbd6fc72f211
Copyright © 2010-2019 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.