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With the introduction of commit `96103d5a`, the Certificate
Generation tool is not able to generate FWU certificate and
while doing so it does segmentation fault.

This happens because it is now required to pass non-volatile
counter values to the `cert_create` tool from the command line
for creating the trusted firmware certificates.

But in case of creating FWU certificate these counter values are not
being passed to the tool and as a consequence the `cert_create` tool
try to use the NULL argument and errors out with Segmentation fault.

This patch fixes this issue by providing a check before using the
command line argument passed in the case of `EXT_TYPE_NVCOUNTER`
certificate extension.

Change-Id: Ie17d0c1502b52aaa8500f3659c2da2448ab0347a

Zynqmp updates

Bring IO storage dummy driver

opteed: assume aarch64 for optee

CSS: Add support to wake up the core from wfi in GICv3

Add support for QEMU virt ARMv8-A

OPTEE to execute in aarch64 bit mode, set it accordingly
when execution transitions from EL3 to EL1

Change-Id: I59f2f940bdc1aac10543045b006a137d107ec95f
Signed-off-by: Ashutosh Singh <ashutosh.singh@arm.com>

This patch adds support for the QEMU virt ARMv8-A target.
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

Allow dynamic overriding of ROTPK verification

Move checkpatch options in a configuration file

Import libfdt v1.4.1 and related changes

In GICv3 mode, the non secure group1 interrupts are signalled via the
FIQ line in EL3. To support waking up from CPU_SUSPEND to standby on
these systems, EL3 should route FIQ to EL3 temporarily before wfi and
restore the original setting after resume. This patch makes this change
for the CSS platforms in the `css_cpu_standby` psci pm ops hook.

Change-Id: Ibf3295d16e2f08da490847c1457bc839e1bac144

NODE_IPI_APU is the node ID of APU's IPI device. If APU should be
woken-up on an IPI from FPD power down, this node shall be set as
the wake-up source upon suspend.
Signed-off-by: Mirela Simonovic <mirela.simonovic@aggios.com>

Update comments in load_image()

- Fix the function documentation.
  Since commit 16948ae1, load_image() uses image IDs rather than image
  names.

- Clarify the consequences of a null entry point argument.

- Slightly reorganize the code to remove an unnecessary 'if' statement.

Change-Id: Iebea3149a37f23d3b847a37a206ed23f7e8ec717

xlat lib: Remove out-dated comment

At the moment, the top Makefile specifies the options to pass to the
checkpatch script in order to check the coding style. The checkpatch
script also supports reading its options from a configuration file
rather than from the command line.

This patch makes use of this feature and moves the checkpatch options
out of the Makefile. This simplifies the Makefile and makes things
clearer.

This patch also adds some more checkpatch options:
  --showfile
  --ignore FILE_PATH_CHANGES
  --ignore AVOID_EXTERNS
  --ignore NEW_TYPEDEFS
  --ignore VOLATILE
The rationale behind each of these options has been documented
in the configuration file.

Change-Id: I423e1abe5670c0f57046cbf705f89a8463898676

A production ROM with TBB enabled must have the ability to boot test software
before a real ROTPK is deployed (e.g. manufacturing mode). Previously the
function plat_get_rotpk_info() must return a valid ROTPK for TBB to succeed.
This patch adds an additional bit `ROTPK_NOT_DEPLOYED` in the output `flags`
parameter from plat_get_rotpk_info(). If this bit is set, then the ROTPK
in certificate is used without verifying against the platform value.

Fixes ARM-software/tf-issues#381

Change-Id: Icbbffab6bff8ed76b72431ee21337f550d8fdbbb

Implement plat_set_nv_ctr for FVP platforms

Fix a syntax error in plat/arm/common/aarch64/arm_common.c

Add support for ARM Cortex-A73 MPCore Processor

Build option to include AArch32 registers in cpu context

Building TF with ERROR_DEPRECATED=1 fails because of a missing
semi-column. This patch fixes this syntax error.

Change-Id: I98515840ce74245b0a0215805f85c8e399094f68

* Move libfdt API headers to include/lib/libfdt
* Add libfdt.mk helper makefile
* Remove unused libfdt files
* Minor changes to fdt.h and libfdt.h to make them C99 compliant
Co-Authored-By: Jens Wiklander <jens.wiklander@linaro.org>

Change-Id: I425842c2b111dcd5fb6908cc698064de4f77220e

Imports libfdt code from https://git.kernel.org/cgit/utils/dtc/dtc.git
tag "v1.4.1" commit 302fca9f4c283e1994cf0a5a9ce1cf43ca15e6d2.

Change-Id: Ia0d966058beee55a9047e80d8a05bbe4f71d8446

Exclude documentation files from the `make checkcodebase` target
(these files were already excluded from checkpatch).

Also exclude libfdt files to prepare for import of this library.

Change-Id: Iee597ed66494de2b11cf84096f771f1f04472d5b

* Move stdlib header files from include/stdlib to include/lib/stdlib for
  consistency with other library headers.
* Fix checkpatch paths to continue excluding stdlib files.
* Create stdlib.mk to define the stdlib source files and include directories.
* Include stdlib.mk from the top level Makefile.
* Update stdlib header path in the fip_create Makefile.
* Update porting-guide.md with the new paths.

Change-Id: Ia92c2dc572e9efb54a783e306b5ceb2ce24d27fa

Replaced placeholder implementation of plat_set_nv_ctr for FVP
platforms by a working one.

On FVP, the mapping of region DEVICE2 has been changed from RO to RW
to prevent exceptions when writing to the NV counter, which is
contained in this region.

Change-Id: I56a49631432ce13905572378cbdf106f69c82f57

The system registers that are saved and restored in CPU context include
AArch32 systems registers like SPSR_ABT, SPSR_UND, SPSR_IRQ, SPSR_FIQ,
DACR32_EL2, IFSR32_EL2 and FPEXC32_EL2. Accessing these registers on an
AArch64-only (i.e. on hardware that does not implement AArch32, or at
least not at EL1 and higher ELs) platform leads to an exception. This patch
introduces the build option `CTX_INCLUDE_AARCH32_REGS` to specify whether to
include these AArch32 systems registers in the cpu context or not. By default
this build option is set to 1 to ensure compatibility. AArch64-only platforms
must set it to 0. A runtime check is added in BL1 and BL31 cold boot path to
verify this.

Fixes ARM-software/tf-issues#386

Change-Id: I720cdbd7ed7f7d8516635a2ec80d025f478b95ee

As of commit e1ea9290, if the attributes of an inner memory region
are different than the outer region, new page tables are generated
regardless of how "restrictive" they are. This patch removes an
out-dated comment still referring to the old priority system based
on which attributes were more restrictive.

Change-Id: Ie7fc1629c90ea91fe50315145f6de2f3995e5e00

This patch adds ARM Cortex-A73 MPCore Processor support
in the CPU specific operations framework. It also includes
this support for the Base FVP port.

Change-Id: I0e26b594f2ec1d28eb815db9810c682e3885716d

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>

rockchip/rk3399: Support the gpio driver and configure

Improve robustness and readability of exception code

PSCI: Add pwr_domain_pwr_down_wfi() hook in plat_psci_ops

Add CCN support to FVP

if define power off gpio, BL31 will do system power off through
gpio control.

If define a reset gpio, BL31 will use gpio to reset SOC,
otherwise use CRU reset.

We add plat parameter structs to support BL2 to pass variable-length,
variable-type parameters to BL31. The parameters are structured as a
link list. During bl31 setup time, we travse the list to process each
parameter. throuth this way, we can get the reset or power off gpio
parameter, and do hardware control in BL31. This structure also can
pass other parameter to BL31 in future.