Merge "docs: update specification link in readme" into integration

docs: update specification link in readme

Change outdated links to the latest documentation for
PSCI, SMC Calling Convention, SCMI, and SDEI to ensure users have
access to the most current resources

docs: update specification link in readme

Change outdated links to the latest documentation for
PSCI, SMC Calling Convention, SCMI, and SDEI to ensure users have
access to the most current resources.

Change-Id: I2ee689d179a5d3ef96b55c45f52ace645ab52eb0
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>

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Merge "docs: fix link to TBBR specification" into integration

docs: fix link to TBBR specification

The former link pointed to a page which displayed the following warning
message:

We could not find that page in the latest version, so we have taken
you to

docs: fix link to TBBR specification

The former link pointed to a page which displayed the following warning
message:

We could not find that page in the latest version, so we have taken
you to the first page instead

Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Change-Id: Icf9277770e38bc5e602b75052c2386301984238d

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Merge "doc: Formatting fixes for readme.rst" into integration

doc: Formatting fixes for readme.rst

The readme.rst file in the project root is the front-page that
is displayed on Github and if viewing the TF-A repository on
git.trustedfirmware.org in the "about

doc: Formatting fixes for readme.rst

The readme.rst file in the project root is the front-page that
is displayed on Github and if viewing the TF-A repository on
git.trustedfirmware.org in the "about" view. It now contains a
small amount of stub content, and directs readers to the
ReadTheDocs documentation via trustedfirmware.org/docs/tf-a.

The Github renderer is displaying the content fine but the cgit
viewer displays some "backlink" errors because some content
substitutions were left in place (terms surrounded by pipe
symbols), e.g. |TF-A|.

This patch removes those substitutions, that are not supported
by cgit, and also updates one heading to clarify where to find
the new docs.

Change-Id: I358451df45b8c99975ba0b6db8ea61253a10560d
Signed-off-by: Paul Beesley <paul.beesley@arm.com>

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Merge changes from topic "pb/readthedocs" into integration

* changes:
doc: Add guide for building the docs locally
doc: De-duplicate readme and license files
doc: Convert internal links to RST

Merge changes from topic "pb/readthedocs" into integration

* changes:
doc: Add guide for building the docs locally
doc: De-duplicate readme and license files
doc: Convert internal links to RST format

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doc: De-duplicate readme and license files

The readme.rst and license.rst files in the project root overlap
with the index.rst and license.rst files in the docs/ folder. We
need to use the latter wh

doc: De-duplicate readme and license files

The readme.rst and license.rst files in the project root overlap
with the index.rst and license.rst files in the docs/ folder. We
need to use the latter when building the documentation, as Sphinx
requires all included files to be under a common root. However,
the files in the root are currently used by the cgit and Github
viewers.

Using symlinks in Git presents some difficulties so the best
course of action is likely to leave these files but in stub form.

The license.rst file in the root will simply tell the reader to
refer to docs/license.rst.

The readme.rst file will contain a small amount of content that
is derived from the docs/index.rst file, so that the Github main
page will have something valid to show, but it will also contain
a link to the full documentation on ReadTheDocs.

Change-Id: I6dc46f08777e8d7ecb32ca7afc07a28486c9f77a
Signed-off-by: Paul Beesley <paul.beesley@arm.com>

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Merge "Refactor ARMv8.3 Pointer Authentication support code" into integration

Refactor ARMv8.3 Pointer Authentication support code

This patch provides the following features and makes modifications
listed below:
- Individual APIAKey key generation for each CPU.
- New key gene

Refactor ARMv8.3 Pointer Authentication support code

This patch provides the following features and makes modifications
listed below:
- Individual APIAKey key generation for each CPU.
- New key generation on every BL31 warm boot and TSP CPU On event.
- Per-CPU storage of APIAKey added in percpu_data[]
of cpu_data structure.
- `plat_init_apiakey()` function replaced with `plat_init_apkey()`
which returns 128-bit value and uses Generic timer physical counter
value to increase the randomness of the generated key.
The new function can be used for generation of all ARMv8.3-PAuth keys
- ARMv8.3-PAuth specific code placed in `lib\extensions\pauth`.
- New `pauth_init_enable_el1()` and `pauth_init_enable_el3()` functions
generate, program and enable APIAKey_EL1 for EL1 and EL3 respectively;
pauth_disable_el1()` and `pauth_disable_el3()` functions disable
PAuth for EL1 and EL3 respectively;
`pauth_load_bl31_apiakey()` loads saved per-CPU APIAKey_EL1 from
cpu-data structure.
- Combined `save_gp_pauth_registers()` function replaces calls to
`save_gp_registers()` and `pauth_context_save()`;
`restore_gp_pauth_registers()` replaces `pauth_context_restore()`
and `restore_gp_registers()` calls.
- `restore_gp_registers_eret()` function removed with corresponding
code placed in `el3_exit()`.
- Fixed the issue when `pauth_t pauth_ctx` structure allocated space
for 12 uint64_t PAuth registers instead of 10 by removal of macro
CTX_PACGAKEY_END from `include/lib/el3_runtime/aarch64/context.h`
and assigning its value to CTX_PAUTH_REGS_END.
- Use of MODE_SP_ELX and MODE_SP_EL0 macro definitions
in `msr spsel` instruction instead of hard-coded values.
- Changes in documentation related to ARMv8.3-PAuth and ARMv8.5-BTI.

Change-Id: Id18b81cc46f52a783a7e6a09b9f149b6ce803211
Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>

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Merge "Rename Cortex-Deimos to Cortex-A77" into integration

Rename Cortex-Deimos to Cortex-A77

Change-Id: I755e4c42242d9a052570fd1132ca3d937acadb13
Signed-off-by: Balint Dobszay <balint.dobszay@arm.com>

Merge "Update Allwinner SoC names in documentation" into integration

Update Allwinner SoC names in documentation

Provide the friendly marketing names, not just the platform name.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Change-Id: Id4427abb73d0c1be4ac1709

Update Allwinner SoC names in documentation

Provide the friendly marketing names, not just the platform name.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Change-Id: Id4427abb73d0c1be4ac1709b2a8e87beffc20dd5

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Merge "Add information about the mailing list in the docs" into integration

Add information about the mailing list in the docs

Change-Id: I41ce5323c33a81db13c5cc40de1ac4e221a10cd8
Signed-off-by: John Tsichritzis <john.tsichritzis@arm.com>

Merge changes from topic "jts/docs" into integration

* changes:
Removing IRC related info from the documentation
Further fixes to documentation links

Removing IRC related info from the documentation

Change-Id: I5cf8c70a304bf5869cbeb12fa8d39171cff48ebd
Signed-off-by: John Tsichritzis <john.tsichritzis@arm.com>

Merge "Fix documentation links" into integration

Fix documentation links

Change-Id: Ic09e74f22b43fba51ee17cd02b5e1dc5d8e0bb63
Signed-off-by: John Tsichritzis <john.tsichritzis@arm.com>

Merge changes from topic "jts/docs" into integration

* changes:
Docs fixes
Update security documentation

Docs fixes

1) Fix links in "about" page
2) Put back the "contents" page with adjusted links

Change-Id: Id09140b91df5cf0a275149801d05d8cfeeda1c6e
Signed-off-by: John Tsichritzis <john.tsichritzis@ar

Docs fixes

1) Fix links in "about" page
2) Put back the "contents" page with adjusted links

Change-Id: Id09140b91df5cf0a275149801d05d8cfeeda1c6e
Signed-off-by: John Tsichritzis <john.tsichritzis@arm.com>

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Merge "Update docs for FVP v11.6" into integration

Update docs for FVP v11.6

Change-Id: I33c1bf49aa10867e1a2ca4c167112b99bf756dda
Signed-off-by: John Tsichritzis <john.tsichritzis@arm.com>

Merge "Doc: Update link to TBBR-CLIENT specification" into integration