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  1. 10 Feb, 2021 1 commit
    • Andre Przywara's avatar
      services: TRNG: Fix -O0 compilation · 323b6c63
      Andre Przywara authored 
      

The code to check for the presence of the TRNG service relies on
toolchain garbage collection, which is not enabled with -O0.

Add #ifdef guards around the call to the TRNG service handler to
cover builds without optimisation as well.

Change-Id: I08ece2005ea1c8fa96afa13904a851dec6b24216
Signed-off-by: default avatarAndre Przywara <andre.przywara@arm.com>
      323b6c63
  3. 05 Feb, 2021 1 commit
  5. 30 Nov, 2020 1 commit
    • Alexei Fedorov's avatar
      Aarch64: Add support for FEAT_PANx extensions · a83103c8
      Alexei Fedorov authored 
      

This patch provides the changes listed below:
- Adds new bit fields definitions for SCTLR_EL1/2 registers
- Corrects the name of SCTLR_EL1/2.[20] bit field from
SCTLR_UWXN_BIT to SCTLR_TSCXT_BIT
- Adds FEAT_PANx bit field definitions and their possible
values for ID_AA64MMFR1_EL1 register.
- Adds setting of SCTLR_EL1.SPAN bit to preserve PSTATE.PAN
on taking an exception to EL1 in spm_sp_setup() function
(services\std_svc\spm_mm\spm_mm_setup.c)

Change-Id: If51f20e7995c649126a7728a4d0867041fdade19
Signed-off-by: default avatarAlexei Fedorov <Alexei.Fedorov@arm.com>
      a83103c8
  7. 02 Oct, 2020 1 commit
    • Andre Przywara's avatar
      spmd: Fix signedness comparison warning · 6e4da01f
      Andre Przywara authored 
      

With -Wsign-compare, compilers issue a warning in the SPMD code:
====================
services/std_svc/spmd/spmd_pm.c:35:22: error: comparison of integer
expressions of different signedness: 'int' and 'unsigned int'
[-Werror=sign-compare]
   35 |  if ((id < 0) || (id >= PLATFORM_CORE_COUNT)) {
      |                      ^~
cc1: all warnings being treated as errors
====================

Since we just established that "id" is positive, we can safely cast it
to an unsigned type to make the comparison have matching types.

Change-Id: I6ef24804c88136d7e3f15de008e4fea854f10ffe
Signed-off-by: default avatarAndre Przywara <andre.przywara@arm.com>
      6e4da01f
  9. 07 Sep, 2020 1 commit
  11. 01 Sep, 2020 1 commit
    • Varun Wadekar's avatar
      spmd: remove assert for SPMC PC value · 75e1dfa0
      Varun Wadekar authored 
      

This patch removes the assert that expects the SPMC PC
value to be same as BL32_BASE. This assumption is not
true for all platforms e.g. Tegra, and so will be removed
from the SPMD.

Platforms can always add this check to the platform files,
if required.

Change-Id: Ic40620b43d160feb4f72f4af18e6d01861d4bf37
Signed-off-by: default avatarVarun Wadekar <vwadekar@nvidia.com>
      75e1dfa0
  13. 31 Aug, 2020 1 commit
    • Varun Wadekar's avatar
      spd: trusty: allow clients to retrieve service UUID · fc198188
      Varun Wadekar authored 
      

This patch implements support for the 64-bit and 32-bit versions of
0xBF00FF01 SMC function ID, as documented by the SMCCC, to allow
non-secure world clients to query SPD's UUID.

In order to service this FID, the Trusty SPD now increases the range
of SMCs that it services. To restrict Trusty from receiving the extra
SMC FIDs, this patch drops any unsupported FID.

Verified with TFTF tests for UID query and internal gtest for Trusty.

Change-Id: If96fe4993f7e641595cfe67cc6b4210a0d52403f
Signed-off-by: default avatarVarun Wadekar <vwadekar@nvidia.com>
      fc198188
  15. 21 Aug, 2020 1 commit
  17. 20 Aug, 2020 8 commits
  19. 18 Aug, 2020 1 commit
    • Manish V Badarkhe's avatar
      Add wrapper for AT instruction · 86ba5853
      Manish V Badarkhe authored 
      

In case of AT speculative workaround applied, page table walk
is disabled for lower ELs (EL1 and EL0) in EL3.
Hence added a wrapper function which temporarily enables page
table walk to execute AT instruction for lower ELs and then
disables page table walk.

Execute AT instructions directly for lower ELs (EL1 and EL0)
assuming page table walk is enabled always when AT speculative
workaround is not applied.

Change-Id: I4ad4c0bcbb761448af257e9f72ae979473c0dde8
Signed-off-by: default avatarManish V Badarkhe <Manish.Badarkhe@arm.com>
      86ba5853
  21. 26 Jul, 2020 1 commit
    • Manish V Badarkhe's avatar
      SMCCC: Introduce function to check SMCCC function availability · 6f0a2f04
      Manish V Badarkhe authored 
      

Currently, 'SMCCC_ARCH_FEATURES' SMC call handler unconditionally
returns 'SMC_OK' for 'SMCCC_ARCH_SOC_ID' function. This seems to
be not correct for the platform which doesn't implement soc-id
functionality i.e. functions to retrieve both soc-version and
soc-revision.
Hence introduced a platform function which will check whether SMCCC
feature is available for the platform.

Also, updated porting guide for the newly added platform function.

Change-Id: I389f0ef6b0837bb24c712aa995b7176117bc7961
Signed-off-by: default avatarManish V Badarkhe <Manish.Badarkhe@arm.com>
      6f0a2f04
  23. 23 Jun, 2020 1 commit
    • J-Alves's avatar
      FFA Version interface update · 4388f28f
      J-Alves authored 
      

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: default avatarJ-Alves <joao.alves@arm.com>
Change-Id: I0d1554da79b72b1e02da6cc363a2288119c32f44
      4388f28f
  25. 02 Jun, 2020 1 commit
    • Masahisa Kojima's avatar
      xlat_tables_v2: add base table section name parameter for spm_mm · 0922e481
      Masahisa Kojima authored 
      Core spm_mm code expects the translation tables are located in the
inner & outer WBWA & shareable memory.
REGISTER_XLAT_CONTEXT2 macro is used to specify the translation
table section in spm_mm.

In the commit 363830df

 (xlat_tables_v2: merge
REGISTER_XLAT_CONTEXT_{FULL_SPEC,RO_BASE_TABLE}), REGISTER_XLAT_CONTEXT2
macro explicitly specifies the base xlat table goes into .bss by default.
This change affects the existing SynQuacer spm_mm implementation.
plat/socionext/synquacer/include/plat.ld.S linker script intends to
locate ".bss.sp_base_xlat_table" into "sp_xlat_table" section,
but this implementation is no longer available.

This patch adds the base table section name parameter for
REGISTER_XLAT_CONTEXT2 so that platform can specify the
inner & outer WBWA & shareable memory for spm_mm base xlat table.
If PLAT_SP_IMAGE_BASE_XLAT_SECTION_NAME is not defined, base xlat table
goes into .bss by default, the result is same as before.

Change-Id: Ie0e1a235e5bd4288dc376f582d6c44c5df6d31b2
Signed-off-by: default avatarMasahisa Kojima <masahisa.kojima@linaro.org>
      0922e481
  27. 25 May, 2020 1 commit
    • J-Alves's avatar
      SPCI is now called PSA FF-A · 662af36d
      J-Alves authored 
      

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: default avatarJ-Alves <joao.alves@arm.com>
      662af36d
  29. 15 May, 2020 1 commit
  31. 13 May, 2020 2 commits
    • Olivier Deprez's avatar
      SPMD: extract SPMC DTB header size from SPMD · 23d5ba86
      Olivier Deprez authored 
      

Currently BL2 passes TOS_FW_CONFIG address and size through registers to
BL31. This corresponds to SPMC manifest load address and size. The SPMC
manifest is mapped in BL31 by dynamic mapping. This patch removes BL2
changes from generic code (which were enclosed by SPD=spmd) and retrieves
SPMC manifest size directly from within SPMD. The SPMC manifest load
address is still passed through a register by generic code.
Signed-off-by: default avatarOlivier Deprez <olivier.deprez@arm.com>
Change-Id: I35c5abd95c616ae25677302f0b1d0c45c51c042f
      23d5ba86
    • Olivier Deprez's avatar
      SPMD: code/comments cleanup · 52696946
      Olivier Deprez authored 
      As a follow-up to bdd2596d

, 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: default avatarOlivier Deprez <olivier.deprez@arm.com>
Change-Id: I99e642450b0dafb19d3218a2f0e2d3107e8ca3fe
      52696946
  33. 05 May, 2020 1 commit
    • Manish V Badarkhe's avatar
      Fix SMCCC_ARCH_SOC_ID implementation · a718c3d6
      Manish V Badarkhe authored 
      Commit 0e753437

 ("Implement SMCCC_ARCH_SOC_ID SMC call") executes
and return the result of SMCCC_ARCH_SOC_ID(soc_id_type) to the
SMCCC_ARCH_FEATURES(SMCCC_ARCH_SOC_ID) itself. Moreover it expect to
pass soc_id_type for SMCCC_ARCH_FEATURES(SMCCC_ARCH_SOC_ID) which is
incorrect.

Fix the implementation by returning SMC_OK for
SMCCC_ARCH_FEATURES(SMCCC_ARCH_SOC_ID) always and move the current
implementation under "smccc_arch_id" function which gets called from
SMC handler on receiving "SMCCC_ARCH_SOC_ID" command.

This change is tested over linux operating system

Change-Id: I61a980045081eae786b907d408767ba9ecec3468
Signed-off-by: default avatarSudeep Holla <sudeep.holla@arm.com>
Signed-off-by: default avatarManish V Badarkhe <Manish.Badarkhe@arm.com>
      a718c3d6
  35. 22 Mar, 2020 1 commit
    • Mustafa Yigit Bilgen's avatar
      spd: tlkd: support new TLK SMCs for RPMB service · bd0c2f8d
      Mustafa Yigit Bilgen authored 
      

This patch adds support to handle following TLK SMCs:
{TLK_SET_BL_VERSION, TLK_LOCK_BL_INTERFACE, TLK_BL_RPMB_SERVICE}

These SMCs need to be supported in ATF in order to forward them to
TLK. Otherwise, these functionalities won't work.

Brief:
TLK_SET_BL_VERSION: This SMC is issued by the bootloader to supply its
version to TLK. TLK can use this to prevent rollback attacks.

TLK_LOCK_BL_INTERFACE: This SMC is issued by bootloader before handing off
execution to the OS. This allows preventing sensitive SMCs being used
by the OS.

TLK_BL_RPMB_SERVICE: bootloader issues this SMC to sign or verify RPMB
frames.

Tested by: Tests TLK can receive the new SMCs issued by bootloader

Change-Id: I57c2d189a5f7a77cea26c3f8921866f2a6f0f944
Signed-off-by: default avatarMustafa Yigit Bilgen <mbilgen@nvidia.com>
      bd0c2f8d
  37. 19 Mar, 2020 2 commits
  39. 17 Mar, 2020 1 commit
  41. 12 Mar, 2020 1 commit
  43. 11 Mar, 2020 1 commit
    • Varun Wadekar's avatar
      spd: tlkd: secure timer interrupt handler · d205cda6
      Varun Wadekar authored 
      

This patch adds an interrupt handler for TLK. On receiving an
interrupt, the source of the interrupt is determined and the
interrupt is marked complete. The IRQ number is passed to
TLK along with a special SMC function ID. TLK issues an SMC
to notify completion of the interrupt handler in the S-EL1
world.

Change-Id: I76f28cee6537245c5e448d2078f86312219cea1a
Signed-off-by: default avatarVarun Wadekar <vwadekar@nvidia.com>
      d205cda6
  45. 03 Mar, 2020 4 commits
  47. 02 Mar, 2020 1 commit
  49. 20 Feb, 2020 1 commit
  51. 18 Feb, 2020 1 commit
    • Zelalem's avatar
      coverity: fix MISRA violations · 2fe75a2d
      Zelalem authored 
      

Fixes for the following MISRA violations:
- Missing explicit parentheses on sub-expression
- An identifier or macro name beginning with an
  underscore, shall not be declared
- Type mismatch in BL1 SMC handlers and tspd_main.c

Change-Id: I7a92abf260da95acb0846b27c2997b59b059efc4
Signed-off-by: default avatarZelalem <zelalem.aweke@arm.com>
      2fe75a2d
  53. 12 Feb, 2020 2 commits