SPMC: manifest changes to support multicore boot ...

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Signed-off-by: Max Shvetsov <maksims.svecovs@arm.com>
Change-Id: Icf90c2ccce75257908ba3d4703926041d64b1dd3

SPMD: introduce SPMC to SPMD messages ...

FF-A interface to handle SPMC to SPMD direct messages requests.

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Signed-off-by: Max Shvetsov <maksims.svecovs@arm.com>
Change-Id: Ia707a308c55561a31dcfa86e554ea1c9e23f862a

FFA Version interface update ...

Change handler of FFA version interface:
- Return SPMD's version if the origin of the call is secure;
- Return SPMC's version if origin is non-secure.

Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: I0d1554da79b72b1e02da6cc363a2288119c32f44

SPCI is now called PSA FF-A ...

SPCI is renamed as PSA FF-A which stands for Platform Security
Architecture Firmware Framework for A class processors.
This patch replaces the occurrence of SPCI with PSA FF-A(in documents)
or simply FFA(in code).

Change-Id: I4ab10adb9ffeef1ff784641dfafd99f515133760
Signed-off-by: J-Alves <joao.alves@arm.com>

plat/arm/fvp: Support performing SDEI platform setup in runtime ...

This patch introduces dynamic configuration for SDEI setup and is supported
when the new build flag SDEI_IN_FCONF is enabled. Instead of using C arrays
and processing the configuration at compile time, the config is moved to
dts files. It will be retrieved at runtime during SDEI init, using the fconf
layer.

Change-Id: If5c35a7517ba00a9f258d7f3e7c8c20cee169a31
Signed-off-by: Balint Dobszay <balint.dobszay@arm.com>
Co-authored-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>

SPMD: code/comments cleanup ...

As a follow-up to bdd2596d4, and related to SPM Dispatcher
EL3 component and SPM Core S-EL2/S-EL1 component: update
with cosmetic and coding rules changes. In addition:
-Add Armv8.4-SecEL2 arch detection helper.
-Add an SPMC context (on current core) get helper.
-Return more meaningful error return codes.
-Remove complexity in few spmd_smc_handler switch-cases.
-Remove unused defines and structures from spmd_private.h

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: I99e642450b0dafb19d3218a2f0e2d3107e8ca3fe

Implement SMCCC_ARCH_SOC_ID SMC call ...

Implemented SMCCC_ARCH_SOC_ID call in order to get below
SOC information:

1. SOC revision
2. SOC version

Implementation done using below SMCCC specification document:
https://developer.arm.com/docs/den0028/c

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: Ie0595f1c345a6429a6fb4a7f05534a0ca9c9a48b

SPMD: Add support for SPCI_ID_GET ...

This patch introduces the `SPCI_ID_GET` interface which will return the
ID of the calling SPCI component. Returns 0 for requests from the
non-secure world and the SPCI component ID as specified in the manifest
for secure world requests.

Change-Id: Icf81eb1d0e1d7d5c521571e04972b6e2d356e0d1
Signed-off-by: Max Shvetsov <maksims.svecovs@arm.com>
Signed-off-by: Marc Bonnici <marc.bonnici@arm.com>

SPMD: add command line parameter to run SPM at S-EL2 or S-EL1 ...

Added SPMD_SPM_AT_SEL2 build command line parameter.
Set to 1 to run SPM at S-EL2.
Set to 0 to run SPM at S-EL1 (pre-v8.4 or S-EL2 is disabled).
Removed runtime EL from SPM core manifest.

Change-Id: Icb4f5ea4c800f266880db1d410d63fe27a1171c0
Signed-off-by: Artsem Artsemenka <artsem.artsemenka@arm.com>
Signed-off-by: Max Shvetsov <maksims.svecovs@arm.com>

SPMD: SPMC init, SMC handler cosmetic changes ...

Change-Id: I8881d489994aea667e3dd59932ab4123f511d6ba
Signed-off-by: Artsem Artsemenka <artsem.artsemenka@arm.com>
Signed-off-by: Max Shvetsov <maksims.svecovs@arm.com>

Use consistent SMCCC error code ...

Removed duplicate error code present for SMCCC and used
proper error code for "SMCCC_ARCH_WORKAROUND_2" call.

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I76fc7c88095f78a7e2c3d205838f8eaf3132ed5c

SPMD: add SPM dispatcher based upon SPCI Beta 0 spec ...

This patch adds a rudimentary SPM dispatcher component in EL3.
It does the following:

- Consumes the TOS_FW_CONFIG to determine properties of the SPM core
  component
- Initialises the SPM core component which resides in the BL32 image
- Implements a handler for SPCI calls from either security state. Some
  basic validation is done for each call but in most cases it is simply
  forwarded as-is to the "other" security state.

Signed-off-by: Achin Gupta <achin.gupta@arm.com>
Signed-off-by: Artsem Artsemenka <artsem.artsemenka@arm.com>
Change-Id: I7d116814557f7255f4f4ebb797d1619d4fbab590

SPMD: add support for an example SPM core manifest ...

This patch repurposes the TOS FW configuration file as the manifest for
the SPM core component which will reside at the secure EL adjacent to
EL3. The SPM dispatcher component will use the manifest to determine how
the core component must be initialised. Routines and data structure to
parse the manifest have also been added.

Signed-off-by: Achin Gupta <achin.gupta@arm.com>
Signed-off-by: Artsem Artsemenka <artsem.artsemenka@arm.com>
Change-Id: Id94f8ece43b4e05609f0a1d364708a912f6203cb

SPMD: add SPCI Beta 0 specification header file ...

This patch adds a header file with defines based on the SPCI Beta 0 spec.
It will be used by the SPM dispatcher component which will be introduced
in subsequent patches.

Signed-off-by: Achin Gupta <achin.gupta@arm.com>
Signed-off-by: Artsem Artsemenka <artsem.artsemenka@arm.com>
Change-Id: Ia8a196cd85ebc14731f24801698d0a49a97b6063

spm-mm: Remove mm_svc.h header ...

The contents of this header have been merged into the spm_mm_svc.h
header file.

Change-Id: I01530b2e4ec1b4c091ce339758025e2216e740a4
Signed-off-by: Paul Beesley <paul.beesley@arm.com>

spm-mm: Refactor spm_svc.h and its contents ...

Change-Id: I91c192924433226b54d33e57d56d146c1c6df81b
Signed-off-by: Paul Beesley <paul.beesley@arm.com>

spm-mm: Refactor secure_partition.h and its contents ...

Before adding any new SPM-related components we should first do
some cleanup around the existing SPM-MM implementation. The aim
is to make sure that any SPM-MM components have names that clearly
indicate that they are MM-related. Otherwise, when adding new SPM
code, it could quickly become confusing as it would be unclear to
which component the code belongs.

The secure_partition.h header is a clear example of this, as the
name is generic so it could easily apply to any SPM-related code,
when it is in fact SPM-MM specific.

This patch renames the file and the two structures defined within
it, and then modifies any references in files that use the header.

Change-Id: I44bd95fab774c358178b3e81262a16da500fda26
Signed-off-by: Paul Beesley <paul.beesley@arm.com>

spm: Remove SPM Alpha 1 prototype and support files ...

The Secure Partition Manager (SPM) prototype implementation is
being removed. This is preparatory work for putting in place a
dispatcher component that, in turn, enables partition managers
at S-EL2 / S-EL1.

This patch removes:

- The core service files (std_svc/spm)
- The Resource Descriptor headers (include/services)
- SPRT protocol support and service definitions
- SPCI protocol support and service definitions

Change-Id: Iaade6f6422eaf9a71187b1e2a4dffd7fb8766426
Signed-off-by: Paul Beesley <paul.beesley@arm.com>
Signed-off-by: Artsem Artsemenka <artsem.artsemenka@arm.com>

Replace __ASSEMBLY__ with compiler-builtin __ASSEMBLER__ ...

NOTE: __ASSEMBLY__ macro is now deprecated in favor of __ASSEMBLER__.

All common C compilers predefine a macro called __ASSEMBLER__ when
preprocessing a .S file. There is no reason for TF-A to define it's own
__ASSEMBLY__ macro for this purpose instead. To unify code with the
export headers (which use __ASSEMBLER__ to avoid one extra dependency),
let's deprecate __ASSEMBLY__ and switch the code base over to the
predefined standard.

Change-Id: Id7d0ec8cf330195da80499c68562b65cb5ab7417
Signed-off-by: Julius Werner <jwerner@chromium.org>

Remove support for the SMC Calling Convention 2.0 ...

This reverts commit 2f370465241c ("Add support for the SMC Calling
Convention 2.0").

SMCCC v2.0 is no longer required for SPM, and won't be needed in the
future. Removing it makes the SMC handling code less complicated.

The SPM implementation based on SPCI and SPRT was using it, but it has
been adapted to SMCCC v1.0.

Change-Id: I36795b91857b2b9c00437cfbfed04b3c1627f578
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

SPM: Rename SPM_DEPRECATED flag to SPM_MM ...

The SPM implementation based on MM is going to be kept for the
foreseeable future.

Change-Id: I11e96778a4f52a1aa803e7e048d9a7cb24a53954
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Acked-by: Sumit Garg <sumit.garg@linaro.org>

Sanitise includes across codebase ...

Enforce full include path for includes. Deprecate old paths.

The following folders inside include/lib have been left unchanged:

- include/lib/cpus/${ARCH}
- include/lib/el3_runtime/${ARCH}

The reason for this change is that having a global namespace for
includes isn't a good idea. It defeats one of the advantages of having
folders and it introduces problems that are sometimes subtle (because
you may not know the header you are actually including if there are two
of them).

For example, this patch had to be created because two headers were
called the same way: e0ea0928d5b7 ("Fix gpio includes of mt8173 platform
to avoid collision."). More recently, this patch has had similar
problems: 46f9b2c3a282 ("drivers: add tzc380 support").

This problem was introduced in commit 4ecca33988b9 ("Move include and
source files to logical locations"). At that time, there weren't too
many headers so it wasn't a real issue. However, time has shown that
this creates problems.

Platforms that want to preserve the way they include headers may add the
removed paths to PLAT_INCLUDES, but this is discouraged.

Change-Id: I39dc53ed98f9e297a5966e723d1936d6ccf2fc8f
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

SPM: Remove remaining SMC interfaces ...

Also, add a disclaimer to explain that the current implementation of SPM
is a prototype that is going to undergo a lot of rework.

Change-Id: I303c1e61c51d9f286cc599fea565fc9ba5a996bf
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

SPM: Migrate mem attr get/set helpers to SPRT ...

The old SMCs SP_MEMORY_ATTRIBUTES_{GET,SET}_AARCH64 have been removed in
favour of SPRT_MEMORY_PERM_ATTR_{GET,SET}_AARCH64.

Change-Id: Idb93cfa5461d0098df941037c5653f7c44b65227
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

SPM: Introduce SMC handlers for SPCI and SPRT ...

Change-Id: I2ae9b3bb686c41b2e138132a7bed107925ac861e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

SPM: Remove old SMC interfaces ...

Remove interfaces based on MM_COMMUNICATE.

Change-Id: I628c884b91d9f4758269ea2c4dedc37a66bb93cf
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

SPM: Deprecate boot info struct ...

This information is defined by the Secure Partition in the resource
description.

Change-Id: Ia7db90c5de8360a596106880d3f6a632a88d3ea8
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

SPM: Define resource description data structures ...

The structures and associated definitions are in different files so that
the definitions can be used inside DTS files while the structs are
private to SPM. They follow the SPRT specification.

Change-Id: Id6a629040a086c482b9d9fa1883b8aa6bbee619f
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

Standardise header guards across codebase ...

All identifiers, regardless of use, that start with two underscores are
reserved. This means they can't be used in header guards.

The style that this project is now to use the full name of the file in
capital letters followed by 'H'. For example, for a file called
"uart_example.h", the header guard is UART_EXAMPLE_H.

The exceptions are files that are imported from other projects:

- CryptoCell driver
- dt-bindings folders
- zlib headers

Change-Id: I50561bf6c88b491ec440d0c8385c74650f3c106e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

libc: Fix all includes in codebase ...

The codebase was using non-standard headers. It is needed to replace
them by the correct ones so that we can use the new libc headers.

Change-Id: I530f71d9510cb036e69fe79823c8230afe890b9d
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>