Commit Graph

275 Commits

Author SHA1 Message Date
Sami Mujawar 351fe77666 ArmPkg: Add FID definitions for Arm TRNG
Bugzilla: 3668 (https://bugzilla.tianocore.org/show_bug.cgi?id=3668)

The Arm True Random Number Generator Firmware, Interface 1.0,
Platform Design Document
(https://developer.arm.com/documentation/den0098/latest/)
defines an interface between an Operating System (OS) executing
at EL1 and Firmware (FW) exposing a conditioned entropy source
that is provided by a TRNG back end.

New function IDs have been defined by the specification for
accessing the TRNG services. Therefore, add these definitions
to the Arm standard SMC header.

Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
2022-11-06 16:32:28 +00:00
Pierre Gondois 9a50990cdb ArmPkg/ArmMonitorLib: Definition for ArmMonitorLib library class
The ArmMonitorLib provides an abstract interface to issue
an HyperVisor Call (HVC) or System Monitor Call (SMC) depending
on the default conduit.
The PcdMonitorConduitHvc PCD allows to select the default conduit.

The new library relies on the ArmHvcLib and ArmSmcLib libraries.
A Null instance of these libraries can be used for the unused conduit.

Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
2022-11-06 16:32:28 +00:00
Ard Biesheuvel 0487cac09f ArmPkg/ArmMmuLib: Disable and re-enable MMU only when needed
When updating a page table descriptor in a way that requires break
before make, we temporarily disable the MMU to ensure that we don't
unmap the memory region that the code itself is executing from.

However, this is a condition we can check in a straight-forward manner,
and if the regions are disjoint, we don't have to bother with the MMU
controls, and we can just perform an ordinary break before make.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
2022-10-19 09:07:13 +00:00
Minh Nguyen 953438e466 ArmPkg/SmbiosMiscDxe: Get SMBIOS information from OemMiscLib
In some scenarios, the information of Bios Version, Bios Release
and Embedded Controller Firmware Release are fetched during UEFI
booting. This patch supports updating those fields dynamically
when the PCDs are empty.

Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com>
Reviewed-by: Rebecca Cran <rebecca@quicinc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
2022-09-23 14:39:10 +00:00
Minh Nguyen 7d74ea141e ArmPkg/SmbiosMiscDxe: Fix typo of "AssetTagType02"
This patch fixes typo from "AssertTagType02"
to "AssetTagType02".

Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com>
Reviewed-by: Rebecca Cran <rebecca@quicinc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Leif Lindholm <quic_llindhol@quicinc.com>
2022-09-23 14:39:10 +00:00
Nhi Pham 130b649a8b ArmPkg/SmbiosMiscDxe: Support fetching System UUID
This adds an API to OemMiscLib for fetching the system UUID according to
the platform.

Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com>
Reviewed-by: Rebecca Cran <rebecca@quicinc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Leif Lindholm <quic_llindhol@quicinc.com>
2022-09-23 14:39:10 +00:00
Minh Nguyen 8467a263f9 ArmPkg/ProcessorSubClassDxe: Get processor version from OemMiscLib
In some scenarios, the processor version may be updated dynamically
from pre-UEFI firmware during booting. But the processor version is
fixed with PCD (PcdProcessorVersion), so it can not be updated it
dynamically. This patch will support setting that value both
statically and dynamically.

Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com>
Reviewed-by: Rebecca Cran <rebecca@quicinc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Leif Lindholm <quic_llindhol@quicinc.com>
2022-09-23 14:39:10 +00:00
Pranav Madhu 52bf4eba45 ArmPkg: Handle warm reboot request correctly
The warm reboot requests from OSPM are mapped to cold reboot. To handle
the warm reboot separately from a cold reboot, update
ArmSmcPsciResetSystemLib and to invoke the PSCI call with parameters
for warm reboot.

Signed-off-by: Pranav Madhu <pranav.madhu@arm.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
2022-09-05 13:52:51 +00:00
Ard Biesheuvel c8af26627a ArmPkg/CpuDxe: drop ARM_PROCESSOR_TABLE pseudo-ACPI table
The ARM_PROCESSOR_TABLE pseudo-ACPI table (which carries a ACPI-table
like header but is published as a EFI config table) is not described in
any relevant spec, and is not known to be relied upon by any OS. Let's
just get rid of it.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Tested-by: Sami Mujawar <sami.mujawar@arm.com>
2022-07-22 17:10:09 +00:00
Rebecca Cran 35d9b7ea2d ArmPkg: Remove RVCT support
RVCT is obsolete and no longer used.
Remove support for it.

Signed-off-by: Rebecca Cran <quic_rcran@quicinc.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
2022-05-13 14:58:54 +00:00
Rebecca Cran 103fa647d1 ArmPkg: Replace CoreId and ClusterId with Mpidr in ARM_CORE_INFO struct
Remove the ClusterId and CoreId fields in the ARM_CORE_INFO structure in
favor of a new Mpidr field. Update code in
ArmPlatformPkg/PrePeiCore/MainMPCore and ArmPlatformPkg/PrePi/MainMPCore.c
to use the new field and call new macros GET_MPIDR_AFF0 and GET_MPIDR_AFF1
instead.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
2022-01-30 11:04:41 +00:00
Nhi Pham b451c69088 ArmPkg/ProcessorSubClassDxe: Get serial and part number from OemMiscLib
Currently, the serial and part number of a processor are filled with
fixed PCDs. However, they may be updated dynamically according to the
information being passed from a the pre-UEFI firmware during booting.
So, this patch is to support updating these string fields from
OemMiscLib if the PCDs are empty.

Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-12-16 18:08:22 +00:00
Nhi Pham 45e3842970 ArmPkg/SmbiosMiscDxe: Get full SMBIOS strings from OemMiscLib
Typically, the information of the SMBIOS type 1/2/3 is fetched from an
FRU device during UEFI booting intead of fixed PCDs. Therefore, this
patch is to add more HII string fields in the OemMiscLib and support
updating these SMBIOS types with the strings provided by the OemMiscLib
if the PCDs are empty.

Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-12-16 18:08:22 +00:00
Rebecca Cran 4d30352445 ArmPkg: Add SMC helper functions
Add functions ArmCallSmc0/1/2/3 to do SMC calls with 0, 1, 2 or 3
arguments.
The functions return up to 3 values.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-12-14 11:30:26 +00:00
Michael Kubacki 429309e0c6 ArmPkg: Apply uncrustify changes
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737

Apply uncrustify changes to .c/.h files in the ArmPkg package

Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Andrew Fish <afish@apple.com>
2021-12-07 17:24:28 +00:00
Etienne Carriere 03e19e6bc8 ArmPkg/IndustryStandard: 32b/64b agnostic FF-A, Mm SVC and Std SMC IDs
Defines ARM_SVC_ID_FFA_* and ARM_SVC_ID_SP_* identifiers for 32bit
function IDs as per SMCCC specification. Defines also generic ARM
SVC identifier macros to wrap 32bit or 64bit identifiers upon target
built architecture.

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-08-11 11:32:32 +00:00
Rebecca Cran a63914d3f6 ArmPkg: Move cache defs used in Universal/Smbios into ArmCache.h
Many of the cache definitions in ArmLibPrivate.h are being used outside
of ArmLib, in Universal/Smbios. Move them into ArmCache.h to make them
public, and remove the include of ArmLibPrivate.h from files in
Universal/Smbios.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
2021-06-18 15:25:57 +00:00
Nicola Mazzucato 375f2d8e68 ArmPkg: Update SCMI Base Protocol version to 0x20000
The SCP-firmware has moved to full support for SCMIv2 which means that
the base protocol can be either compliant with SCMI v1 or v2.

Allow any version between SCMI v1.0 and SCMI v2.0 to be compatible
with the current implementation.

Signed-off-by: Nicola Mazzucato <nicola.mazzucato@arm.com>
Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Tested-by: Sami Mujawar <sami.mujawar@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-05-10 15:46:42 +00:00
Pierre Gondois cc15a619a6 ArmPkg: Fix Ecc error 8003
This patch fixes the following Ecc reported error:
The #ifndef at the start of an include file should have
one postfix underscore, and no prefix underscore character

Some include guards have been modified to match the name of the
header file. Some comments have also been added on the closing
'#endif'.

Cc: Bret Barkelew <bret.barkelew@microsoft.com>
Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-04-28 12:03:51 +00:00
Rebecca Cran bbeb1bea41 ArmPkg: Allow platforms to report their boot status via OemMiscLib call
Add a new function to OemMiscLib to allow platforms to report their boot
status into the Type32 SMBIOS table.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
2021-04-27 12:46:26 +00:00
Rebecca Cran bf2b99990e ArmPkg: Allow platforms to supply more data for SMBIOS Type3 record
Add OemMiscLib calls to allow platforms to provide the following
information about the chassis:

o Bootup state
o Power supply/supplies state
o Thermal state
o Security state
o Chassis height (in RMU)
o Number of power cords

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
2021-04-27 12:46:26 +00:00
Pierre Gondois 96479947bc ArmPkg: Fix Ecc error 8005 for SCMI_MESSAGE_ID_PERFORMANCE
This patch fixes the following Ecc reported error:
Variable name does not follow the rules:
1. First character should be upper case
2. Must contain lower case characters
3. No white space characters
4. Global variable name must start with a 'g'

Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-04-15 19:53:39 +00:00
Pierre Gondois 063f8483b9 ArmPkg: Fix Ecc error 8005 for SCMI_CLOCK_RATE_FORMAT
This patch fixes the following Ecc reported error:
Variable name does not follow the rules:
1. First character should be upper case
2. Must contain lower case characters
3. No white space characters
4. Global variable name must start with a 'g'

Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-04-15 19:53:39 +00:00
Pierre Gondois bd8efb4f8e ArmPkg: Fix Ecc error 8005 for SCMI_MESSAGE_ID_CLOCK
This patch fixes the following Ecc reported error:
Variable name does not follow the rules:
1. First character should be upper case
2. Must contain lower case characters
3. No white space characters
4. Global variable name must start with a 'g'

Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-04-15 19:53:39 +00:00
Pierre Gondois 1f93d0c5a3 ArmPkg: Fix Ecc error 8005 for SCMI_MESSAGE_ID_BASE
This patch fixes the following Ecc reported error:
Variable name does not follow the rules:
1. First character should be upper case
2. Must contain lower case characters
3. No white space characters
4. Global variable name must start with a 'g'

Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-04-15 19:53:39 +00:00
Pierre Gondois 60e49aac4e ArmPkg: Fix Ecc error 7008 for OPTEE_MESSAGE_PARAM
This patch fixes the following Ecc reported error:
Complex types should be typedef-ed

The error is due to the a nested structure declaration.

Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-04-15 19:53:39 +00:00
Pierre Gondois 39b3e14c99 ArmPkg: Fix Ecc error 7008 for SCMI_CLOCK_RATE
This patch fixes the following Ecc reported error:
Complex types should be typedef-ed

The error is due to the a nested structure declaration.

Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-04-15 19:53:39 +00:00
Pierre Gondois 3c0c1d3fae ArmPkg: Rename include guard in ArmGicLib.h
Edk2 coding standard states that:
"Names starting with one or two underscores, such as
_MACRO_GUARD_FILE_NAME_H_, must not be used."

Ref:
https://edk2-docs.gitbook.io/edk-ii-c-coding-standards-specification/
5_source_files/53_include_files#
5-3-5-all-include-file-contents-must-be-protected-by-a-include-guard

Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-04-15 19:53:39 +00:00
Pierre Gondois a4d95d7cf9 ArmPkg: Fix Ecc error 8001 in Chipset
This patch fixes the following Ecc reported error:
Only capital letters are allowed to be used
for #define declarations

Edk2 coding standard stating that:
"Names starting with one or two underscores, such as
_MACRO_GUARD_FILE_NAME_H_, must not be used."
the include guard of ArmCortexA5x.h is also updated.

Ref:
https://edk2-docs.gitbook.io/edk-ii-c-coding-standards-specification/
5_source_files/53_include_files#
5-3-5-all-include-file-contents-must-be-protected-by-a-include-guard

Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-04-15 19:53:39 +00:00
Achin Gupta 0e43e02b9b ArmPkg: Allow FF-A calls to get memory region's attributes
Allow getting memory region's permissions using either of the Firmware
Framework(FF-A) ABI transport or through the earlier used SVC calls.

Signed-off-by: Achin Gupta <achin.gupta@arm.com>
Co-developed-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
2021-02-23 15:40:37 +00:00
Sughosh Ganu 799c07ca28 ArmPkg: Add macros for SPM version with FF-A support enabled
Declare the values of SPM major and minor versions as macros with FF-A
enabled, which can be used in the module for checking the SPM version
compatibility. These SPM major and minor version numbers are mandated
for having support for the Firmware Framework(FF-A) feature enabled.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
2021-02-23 15:40:37 +00:00
Sughosh Ganu 2385e1deca ArmPkg: Add macros for SPM version
Declare the values of SPM major and minor versions as macros which can
be used in the module for checking the SPM version compatibility.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
2021-02-23 15:40:37 +00:00
Achin Gupta af0c597e98 ArmPkg/ArmSvcLib: Return x4-x7 in output parameters
The Arm SMC calling convention standard v1.2 allows 8 input and output
parameter registers. The FF-A specification relies on this
communication. This patch extends the number of output registers
returned by ArmCallSvc() to match this convention.

Signed-off-by: Achin Gupta <achin.gupta@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
2021-02-23 15:40:37 +00:00
Achin Gupta 37ef4bb1a7 ArmPkg/IndustryStandard: Add barebones FF-A header
This patch adds a rudimentary header file with defines for FF-A ABIs
that will be used as the transport between S-EL0 and the SPM

Signed-off-by: Achin Gupta <achin.gupta@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
2021-02-23 15:40:37 +00:00
Rebecca Cran a2b5ea38a6 ArmPkg: Update OemGetChassisType function to return MISC_CHASSIS_TYPE
Update OemGetChassisType in OemMiscLib to return MISC_CHASSIS_TYPE
instead of EFI_STATUS, which matches other OemMiscLib functions.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
2021-02-23 12:37:51 +00:00
Rebecca Cran 869ccd4a3e ArmPkg: Rename some functions and parameters in OemMiscLib
o Rename 'mHiiHandle' parameter in OemUpdateSmbiosInfo to 'HiiHandle'.
o Rename 'Offset' parameter in OemUpdateSmbiosInfo to 'Field'.
o Rename OemGetProcessorMaxSockets to OemGetMaxProcessors.
o Rename OemIsSocketPresent to OemIsProcessorPresent.
o Update Universal/Smbios to follow the changes to OemMiscLib.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
2021-02-23 12:37:51 +00:00
Rebecca Cran 533fff506e ArmPkg: Fix ordering of return type and EFIAPI specifier in OemMiscLib
The return type should be on the line before any EFIAPI specifier.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
2021-02-23 12:37:51 +00:00
Rebecca Cran 2c7c64fc04 ArmPkg: Add Library/OemMiscLib.h
OemMiscLib.h provides the interface which platforms should implement to
interact with the SmbiosMiscDxe and ProcessorSubClassDxe drivers to
update SMBIOS tables.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Acked-by: Leif Lindholm <leif@nuviainc.com>
2021-02-08 19:35:23 +00:00
Rebecca Cran 6e131aff00 ArmPkg: Add helper to read CCIDX status
Add a helper function to determine CCIDX support.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
2021-02-08 19:35:23 +00:00
Rebecca Cran 4f92cfa44d ArmPkg: Add definition of the maximum cache level in ARMv8-A
The ARM Architecture Reference Manual for ARMv8-A defines up to
seven levels of cache, L1 through L7.
Define MAX_ARM_CACHE_LEVEL to be 7.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-02-08 19:35:23 +00:00
Rebecca Cran 92bdb2a9c6 ArmPkg: Add register encoding definition for MMFR2
Add register encoding definition for Memory Model Feature Register 2.
We need to define it here because we build for ARMv8.0, which doesn't
have it.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-02-08 19:35:23 +00:00
Rebecca Cran 9e7621c05e ArmPkg: Add ARM SMC Architecture functions to ArmStdSmc.h
The ARM SMC Architecture functions were missing from ArmStdSmc.h.
Add them, based on the SMC Calling Convention version 1.2 specification.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2021-02-08 19:35:23 +00:00
Quan Nguyen 0d49b82e4f ArmPkg/ArmGicLib: Add ArmGicSetInterruptPriority() helper function
According to ARM IHI 0069F, section 11.9.18 GICD_IPRIORITYR<n>,
Interrupt Priority Registers, n = 0 - 254, when affinity routing is
enabled for the Security state of an interrupt, GICR_IPRIORITYR<n>
is used instead of GICD_IPRIORITYR<n> where n = 0 to 7 (that is, for
SGIs and PPIs).

As setting interrupt priority for SGIs and PPIs are handled using
difference registers depends on the mode, this patch instroduces
ArmGicSetInterruptPriority() helper function to handle the discrepancy.

Cc: Leif Lindholm <leif@nuviainc.com>
Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Reviewed-off-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
2020-12-18 18:09:18 +00:00
Leif Lindholm e2bfd172e4 ArmPkg/ArmLib: move ArmReadIdPfr0/1 into private header ArmV7Lib.h
ArmReadIdPfr0 () and ArmReadIdPfr1 () are now used only inside ArmLib.
Remove the prototypes from the public header to discourage new id
register accessor additions, and direct id register access in general.
Move them into local header Arm/ArmV7Lib.h.

Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Signed-off-by: Leif Lindholm <leif@nuviainc.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
2020-12-18 15:27:26 +00:00
Leif Lindholm 740b870dc8 ArmPkg: add ArmHasSecurityExtensions () helper function
Create a helper function to eliminate direct feature register reading.

Returns BOOLEAN True if the CPU implements the Security extensions,
otherwise returns BOOL False.

This function is only implemented for ARM, not AArch64.

Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Signed-off-by: Leif Lindholm <leif@nuviainc.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
2020-12-18 15:27:26 +00:00
Leif Lindholm 5cc25cff5d ArmPkg/ArmLib: add ArmHasGicSystemRegisters () helper function
Create a helper function to eliminate direct feature register reading,
which gets messy in code shared between ARM/AArch64.

Returns BOOLEAN True if the CPU implements the GIC System Register
Interface (any version), otherwise returns BOOL False.

Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Signed-off-by: Leif Lindholm <leif@nuviainc.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
2020-12-18 15:27:26 +00:00
Ard Biesheuvel 49188b2aa4 ArmPkg/CpuDxe: move PageAttributeToGcdAttribute() out of ArmMmuLib
The routine PageAttributeToGcdAttribute() is exported by ArmMmuLib
but only ever used in the implementation of CpuDxe. So let's move
the function there and make it STATIC.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
2020-04-02 12:35:52 +00:00
Ard Biesheuvel f9ec8e51d2 ArmPkg/ArmLib: move set/way helper functions into private header
The clean/invalidate helper functions that operate on a single cache
line identified by set, way and level in a special, architected format
are only used by the implementations of the clean/invalidate routines
that operate on the entire cache hierarchy, as exposed by ArmLib.

The latter routines will be deprecated soon, so move the helpers out
of ArmLib.h and into a private header so they are safe from abuse.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
2020-03-05 21:08:30 +00:00
Antoine Cœur ff5fef1428 ArmPkg: Fix various typos
Fix various typos in ArmPkg.

Signed-off-by: Coeur <coeur@gmx.fr>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2019-07-04 12:20:28 +01:00
Michael D Kinney 4059386c70 ArmPkg: Replace BSD License with BSD+Patent License
https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2019-04-09 09:10:21 -07:00