Cortex-A720-AE erratum 3699562 that applies to r0p0 and is still
Open.
The workaround is for EL3 software that performs context save/restore
on a change of Security state to use a value of SCR_EL3.NS when
accessing ICH_VMCR_EL2 that reflects the Security state that owns the
data being saved or restored.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-3090091/latest/
Change-Id: Ib830470747822cac916750c01684a65cb5efc15b
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
Cortex-A720 erratum 3699561 that applies to all revisions <= r0p2
and is still Open.
The workaround is for EL3 software that performs context save/restore
on a change of Security state to use a value of SCR_EL3.NS when
accessing ICH_VMCR_EL2 that reflects the Security state that owns the
data being saved or restored.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-2439421/latest/
Change-Id: I7ea3aaf3e7bf6b4f3648f6872e505a41247b14ba
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
Cortex-A715 erratum 3699560 that applies to all revisions <= r1p3
and is still Open.
The workaround is for EL3 software that performs context save/restore
on a change of Security state to use a value of SCR_EL3.NS when
accessing ICH_VMCR_EL2 that reflects the Security state that owns the
data being saved or restored.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-2148827/latest/
Change-Id: I183aa921b4b6f715d64eb6b70809de2566017d31
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
Cortex-A710 erratum 3701772 that applies to all revisions <= r2p1
and is still Open.
The workaround is for EL3 software that performs context save/restore
on a change of Security state to use a value of SCR_EL3.NS when
accessing ICH_VMCR_EL2 that reflects the Security state that owns the
data being saved or restored.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-1775101/latest/
Change-Id: I997c9cfaa75321f22b4f690c4d3f234c0b51c670
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
When ICH_VMCR_EL2.VBPR1 is written in Secure state (SCR_EL3.NS==0)
and then subsequently read in Non-secure state (SCR_EL3.NS==1), a
wrong value might be returned. The same issue exists in the opposite way.
Adding workaround in EL3 software that performs context save/restore
on a change of Security state to use a value of SCR_EL3.NS when
accessing ICH_VMCR_EL2 that reflects the Security state that owns the
data being saved or restored. For example, EL3 software should set
SCR_EL3.NS to 1 when saving or restoring the value ICH_VMCR_EL2 for
Non-secure(or Realm) state. EL3 software should clear
SCR_EL3.NS to 0 when saving or restoring the value ICH_VMCR_EL2 for
Secure state.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-1775101/latest/
Change-Id: I9f0403601c6346276e925f02eab55908b009d957
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
This patch implements SMCCC_ARCH_WORKAROUND_4 and
allows discovery through SMCCC_ARCH_FEATURES.
This mechanism is enabled if CVE_2024_7881 [1] is enabled
by the platform. If CVE_2024_7881 mitigation
is implemented, the discovery call returns 0,
if not -1 (SMC_ARCH_CALL_NOT_SUPPORTED).
For more information about SMCCC_ARCH_WORKAROUND_4 [2], please
refer to the SMCCC Specification reference provided below.
[1]: https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-7881
[2]: https://developer.arm.com/documentation/den0028/latest
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: I1b1ffaa1f806f07472fd79d5525f81764d99bc79
Implements mitigation for CVE-2024-5660 that affects Cortex-X925
revisions r0p0, r0p1.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: I9d5a07ca6b89b27d8876f4349eff2af26c962d8a
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Cortex-X2
revisions r0p0, r1p0, r2p0, r2p1.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: If28804e154617a39d7d52c40b3a00a14a39df929
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Cortex-A77
revisions r0p0, r1p0, r1p1.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: Ic71b163883ea624e9f2f77deb8b30c69612938b9
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Neoverse-V1
revisions r0p0, r1p0, r1p1, r1p2.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: Ia59452ea38c66b291790956d7f2880bfcd56d45f
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Cortex-A78_AE
revisions r0p0, r0p1, r0p2, r0p3.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: I33ac653fcb45f687fe9ace1c76a3eb2000459751
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Cortex-A78C
revisions r0p0, r0p1, r0p2.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: Ieb8d7b122320d16bf8987a43dc683ca41227beb5
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Cortex-A78
revisions r0p0, r1p0, r1p1, r1p2.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: I4e40388bef814481943b2459fe35dd7267c625a2
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Cortex-X1
revisions r0p0, r1p0, r1p1, r1p2.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: I3124db3980f2786412369a010ca6abbbbaa3b601
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Neoverse-N2
revisions r0p0, r0p1, r0p2, r0p3.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
This patch implements the erratum mitigation for Neoverse-N2.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: I2b9dea78771cc159586a03ff563c0ec79591ea64
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Cortex-A710
revisions r0p0, r1p0, r2p0, r2p1.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: I10feea238600dcceaac7bb75a59db7913ca65cf1
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Neoverse-V2
revisions r0p0, r0p1, r0p2.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: If66687add52d16f68ce54fe5433dd3b3f067ee04
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Cortex-X3
revisions r0p0, r1p0, r1p1, r1p2.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: Ibe90313948102ece3469f2cfe3faccc7f4beeabe
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Neoverse-V3
revisions r0p0, r0p1.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: I9ed2590bf1215bf6a692f01dfd351e469ff072f8
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Implements mitigation for CVE-2024-5660 that affects Cortex-X4
revisions r0p0, r0p1, r0p2.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1.
Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660
Change-Id: I378cb4978919cced03e7febc2ad431c572eac72d
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Cortex-X4 erratum 2923935 is a Cat B erratum that applies
to all revisions <= r0p1 and is fixed in r0p2.
The workaround is to set CPUACTLR4_EL1[11:10] to 0b11.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-2432808/latest
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: I9207802ad479919a7f77c1271019fa2479e076ee
Add basic CPU library code to support the Alto CPU.
Change-Id: I45958be99c4a350a32a9e511d3705fb568b97236
Signed-off-by: Igor Podgainõi <igor.podgainoi@arm.com>
Add the basic CPU library code to support Cortex-A720AE.
The overall library code is adapted based on Cortex-A720 code.
Signed-off-by: David Hu <david.hu2@arm.com>
Signed-off-by: Ahmed Azeem <ahmed.azeem@arm.com>
Change-Id: I3d64dc5a3098cc823e656a5ad3ea05cd71598dc6
Add basic CPU library code to support the Arcadia CPU.
Change-Id: Iecb0634dc6dcb34e9b5fda4902335530d237cc43
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
The errata framework has a helper to invoke workarounds, complete with a
cpu rev_var check. We can use that directly instead of the
apply_cpu_pwr_dwn_errata to save on some code, as well as an extra
branch. It's also more readable.
Also, apply_erratum invocation in cpu files don't need to check the
rev_var as that was already done by the cpu_ops dispatcher for us to end
up in the file.
Finally, X2 erratum 2768515 only applies in the powerdown sequence, i.e.
at runtime. It doesn't achieve anything at reset, so we can label it
accordingly.
Change-Id: I02f9dd7d0619feb54c870938ea186be5e3a6ca7b
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Apply the mitigation only for the revision and variant
mentioned in the SDEN.
SDEN Documentation:
https://developer.arm.com/documentation/SDEN859515/latest
Change-Id: Ifda1f4cb32bdec9a9af29397ddc03bf22a7a87fc
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Cortex-X4 erratum 3076789 is a Cat B erratum that is present
in revisions r0p0, r0p1 and is fixed in r0p2.
The workaround is to set chicken bits CPUACTLR3_EL1[14:13]=0b11
and CPUACTLR_EL1[52] = 1.
Expected performance degradation is < 0.5%, but isolated
benchmark components might see higher impact.
SDEN documentation:
https://developer.arm.com/documentation/SDEN2432808/latest
Change-Id: Ib100bfab91efdb6330fdcdac127bcc5732d59196
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
Cortex-X4 erratum 2897503 is a Cat B erratum that applies
to all revisions <= r0p1 and is fixed in r0p2.
The workaround is to set CPUACTLR4_EL1[8] to 1.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-2432808/latest
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: I3178a890b6f1307b310e817af75f8fdfb8668cc9
Cortex-A720 erratum 2792132 is a Cat B erratum that is present
in revision r0p0, r0p1 and is fixed in r0p2.
The workaround is to set bit[26] of the CPUACTLR2_EL1 to 1.
SDEN documentation:
https://developer.arm.com/documentation/SDEN2439421/latest
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: I8d11fe65a2ab5f79244cc3395d0645f77256304c
This patch checks if the Errata 2938996(Cortex-A520) , 2726228(Cortex-X4)
applies to cores and if affected applies the errata workaround which
disables TRBE.
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: I53b037839820c8b3a869f393588302a365d5b97c
This patch implements errata functions for two errata, both of them
disable TRBE as a workaround. This patch doesn't have functions
that disable TRBE but only implemented helper functions that are
used to detect cores affected by Errata 2938996(Cortex-A520) & 2726228(Cortex-X4)
Cortex-X4 SDEN documentation:
https://developer.arm.com/documentation/SDEN2432808/latest
Cortex-A520 SDEN Documentation:
https://developer.arm.com/documentation/SDEN-2444153/latest
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: I8f886a1c21698f546a0996c719cc27dc0a23633a
Cortex-A720 erratum 2844092 is a Cat B erratum that is present
in revisions r0p0, r0p1 and is fixed in r0p2.
The workaround is to set bit[11] of CPUACTLR4_EL1 register.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-2439421/latest
Change-Id: I3d8eacb26cba42774f1f31c3aae2a0e6fecec614
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Cortex-X4 erratum 2816013 is a Cat B erratum that applies
to all revisions <= r0p1 and is fixed in r0p2. This erratum
is only present when memory tagging is enabled.
The workaround is to set CPUACTLR5_EL1[14] to 1.
SDEN documentation:
https://developer.arm.com/documentation/SDEN-2432808/latest
Change-Id: I546044bde6e5eedd0abf61643d25e2dd2036df5c
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Errata printing is done directly via generic_errata_report.
This commit removes the unused \_cpu\()_errata_report
functions for all cores, and removes errata_func from cpu_ops.
Change-Id: I04fefbde5f0ff63b1f1cd17c864557a14070d68c
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
In all non-trivial cases the CPU specific errata functions
already call generic_errata_report, this cuts out the middleman
by directly calling generic_errata_report from
print_errata_status.
The CPU specific errata functions (cpu_ops->errata_func)
can now be removed from all cores, and this field can be
removed from cpu_ops.
Also removes the now unused old errata reporting
function and macros.
Change-Id: Ie4a4fd60429aca37cf434e79c0ce2992a5ff5d68
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
modify the print logs when an erratum workaround does not
need to be applied to a certain revision/variant of the CPU.
Change-Id: I8f60636320f617ecd4ed88ee1fbf7a3e3e4517ee
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
RK3566/RK3568 is a Quad-core soc and Cortex-a55 inside.
This patch supports the following functions:
1. basic platform setup
2. power up/off cpus
3. suspend/resume cpus
4. suspend/resume system
5. reset system
Signed-off-by: shengfei Xu <xsf@rock-chips.com>
Change-Id: I8b98a4d07664de26bd6078f63664cbc3d9c1c68c
