Version 1.8.0

New major features

  • TF-M eRPC Test framework [1] is integrated.

  • TF-M builtin key loader integration is reworked.

  • Improved crypto library abstraction from TF-M Crypto service.

  • Kconfig system is enhanced and finalized.

  • Switch to upstream QCBOR [2].

  • Enable PSA Authenticated Debug Access Control (ADAC) [3] support on Musca-B1 platform.

  • Support Floating-Point (FP) with Arm Compiler.

  • FF-M API uses signals to drive the partition scheduling instead of controlling partition context directly.

  • MCUboot upgrade to v1.10.0.

  • Mbed TLS upgrade to v3.4.0.

  • Refine documentation restructure.

  • It is optional to update copyright year in changes. Requirements of copyright note update is updated in Contributing Process.

New platforms supported

Tested platforms

The following platforms are successfully tested in this release.

  • AN519

  • AN521

  • AN555

  • B-U585I-IOT02A

  • Corstone-1000

  • LPCXpresso55S69

  • Musca-B1

  • Musca-S1

  • nRF9160

  • nRF5340

  • NUCLEO-L552ZE-Q

  • PSoC 64

  • RSS

  • STM32L562E-DK

Reference memory footprint

All measurements below are made for AN521 platform, built TF-Mv1.8.0-RC2 on Windows 10 using Armclang v6.18 and build type MinSizeRel.

All modules are measured in bytes. Some minor modules are not shown in the table below.

Note

Profile Medium-ARoT-less built with disabled Firmware Update service to algin with other TF-M Profiles.

Module

Base

Small

ARoT-less

Medium

Large

Flash

RAM

Flash

RAM

Flash

RAM

Flash

RAM

Flash

RAM

Generated (stack, stc)

112

3184

160

3184

160

3184

208

3184

272

3184

Objects

936

1064

1222

5464

1309

6152

1439

1544

1514

1544

c_w.l

190

0

568

0

808

0

808

0

808

0

platform (Secure)

5098

284

5530

284

5890

284

6256

284

6278

284

SPM

3694

1205

4560

577

4070

1205

5710

1261

5870

1266

sprt

254

0

1432

0

1270

0

2198

4

2198

4

MbedCrypto

N/A

N/A

24612

2292

46558

2296

46562

2296

80435

2408

PROT_attestation

N/A

N/A

2751

557

2981

1218

2981

3010

2981

3010

PROT_crypto

N/A

N/A

3686

2070

4240

16026

4240

22938

4368

24986

PROT_ITS

N/A

N/A

4826

80

4882

112

5056

1988

5068

2468

PROT_platform

N/A

N/A

N/A

N/A

480

0

522

1280

522

1280

AROT_PS

N/A

N/A

N/A

N/A

N/A

N/A

3340

6444

3340

6444

Padding

40

23

119

28

158

35

142

39

180

66

Total incl. padding

10324

5760

50576

14536

73916

30512

80572

44272

114924

46944

Known issues

Some open issues are not fixed in this release.

Descriptions

Issue links

Arm GNU toolchain version greater than 11.2 has a linker issue in syscall.

https://developer.trustedfirmware.org/T1029

In SFN model, input data size value in structure psa_msg_t passed to RoT Services might decrease after psa_read() or psa_skip().

https://developer.trustedfirmware.org/T1030

Issues fixed since v1.7.0

The following issues have been fixed since v1.7.0 release.

Descriptions

Issue links

PSoC 64 platform builds and works well with ArmClang v6.13 and later.

Not tracked

LPCXpresso55S690 platform works well in profile small only.

Not tracked

Issues closed since v1.7.0

The following issues in v1.7.0 known issue list are closed. These issues are related to platform specific implementations or 3rd-party tools. Therefore they won’t be fixed by TF-M.

Descriptions

Issue links

Latest CMake (3.25) has an issue with PSA Arch test

https://github.com/ARM-software/psa-arch-tests/issues/335

Reference

Copyright (c) 2023, Arm Limited. All rights reserved.