- TF-M - lists.trustedfirmware.org

Re: Issue with integrity_checker_compute_value() and cache coherence on RDV3R1 with TF-M

by 박진국

Hi Raef Based on your advice, I made the modifications as below and confirmed that it works properly. Thank you for your help. JK Park enum integrity_checker_error_t integrity_checker_compute_value_bl2(struct integrity_checker_dev_t *dev, enum integrity_checker_mode_t mode, const uint32_t *data, size_t size, uint32_t *value, size_t value_size, size_t *value_len) { //volatile uint32_t __ALIGNED(INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) // temp_val[INTEGRITY_CHECKER_OUTPUT_SIZE_SHA256 / sizeof(uint32_t)] = {0}; //jkpark volatile uint32_t __ALIGNED(32) temp_val[INTEGRITY_CHECKER_OUTPUT_SIZE_SHA256 / sizeof(uint32_t)] = {0}; volatile uint32_t *value_ptr = value; struct _integrity_checker_reg_map_t* p_integrity_checker = (struct _integrity_checker_reg_map_t*)dev->cfg->base; enum integrity_checker_error_t err; uint32_t iccval = 0; err = check_mode_is_supported(dev, mode, true); if (err != INTEGRITY_CHECKER_ERROR_NONE) { return err; } if (value_size < mode_sizes[mode]) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_BUFFER_TOO_SMALL); return INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_BUFFER_TOO_SMALL; } if (((uintptr_t)data % INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) != 0) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_INVALID_ALIGNMENT); return INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_INVALID_ALIGNMENT; } if ((size % INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) != 0) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_INVALID_LENGTH); return INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_INVALID_LENGTH; } init_integrity_checker(dev, &iccval); /* Set algorithm */ iccval |= (mode & 0b111) << 1; /* Set to compute mode */ iccval |= 1 << 4; /* Configure input data. Size is in words */ p_integrity_checker->icda = remap_addr(dev, (uintptr_t)data); p_integrity_checker->icdl = size / INTEGRITY_CHECKER_REQUIRED_ALIGNMENT; /* Set output address */ p_integrity_checker->iccva = remap_addr(dev, (uintptr_t)value_ptr); /* Start integrity checker */ iccval |= 1; p_integrity_checker->icc = iccval; /* Poll for any interrupts */ while(!p_integrity_checker->icis) {} /* Check for any unusual error interrupts */ if (p_integrity_checker->icis & (~0b11)) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_OPERATION_FAILED); return INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_OPERATION_FAILED; } SCB_InvalidateDCache_by_Addr((void *)temp_val, 32); if (value_ptr != value) { for (int idx = 0; idx < mode_sizes[mode] / sizeof(uint32_t); idx++) { value[idx] = value_ptr[idx]; } } if (value_len != NULL) { *value_len = mode_sizes[mode]; } return INTEGRITY_CHECKER_ERROR_NONE; } enum integrity_checker_error_t integrity_checker_check_value_bl2(struct integrity_checker_dev_t *dev, enum integrity_checker_mode_t mode, const uint32_t *data, size_t size, const uint32_t *value, size_t value_size) { //volatile uint32_t __ALIGNED(INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) // temp_val[INTEGRITY_CHECKER_OUTPUT_SIZE_SHA256 / sizeof(uint32_t)] = {0}; //jkpark volatile uint32_t __ALIGNED(32) temp_val[INTEGRITY_CHECKER_OUTPUT_SIZE_SHA256 / sizeof(uint32_t)] = {0}; const volatile uint32_t *value_ptr = value; struct _integrity_checker_reg_map_t* p_integrity_checker = (struct _integrity_checker_reg_map_t*)dev->cfg->base; enum integrity_checker_error_t err; uint32_t iccval = 0; err = check_mode_is_supported(dev, mode, false); if (err != INTEGRITY_CHECKER_ERROR_NONE) { return err; } if (value_size < mode_sizes[mode]) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_CHECK_VALUE_BUFFER_TOO_SMALL); return INTEGRITY_CHECKER_ERROR_CHECK_VALUE_BUFFER_TOO_SMALL; } if (((uintptr_t)data % INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) != 0) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_CHECK_VALUE_INVALID_ALIGNMENT); return INTEGRITY_CHECKER_ERROR_CHECK_VALUE_INVALID_ALIGNMENT; } if ((size % INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) != 0) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_CHECK_VALUE_INVALID_LENGTH); return INTEGRITY_CHECKER_ERROR_CHECK_VALUE_INVALID_LENGTH; } //if (((uintptr_t)value % INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) != 0 // || (value_size % INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) != 0) { for (int idx = 0; idx < value_size / sizeof(uint32_t); idx++) { temp_val[idx] = value[idx]; } value_ptr = temp_val; //} SCB_CleanDCache_by_Addr((void *)temp_val, 32); init_integrity_checker(dev, &iccval); /* Set algorithm */ iccval |= (mode & 0b111) << 1; /* Configure input data. Size is in words */ p_integrity_checker->icda = remap_addr(dev, (uintptr_t)data); p_integrity_checker->icdl = size / INTEGRITY_CHECKER_REQUIRED_ALIGNMENT; /* Set compare address */ p_integrity_checker->iceva = remap_addr(dev, (uintptr_t)value_ptr); /* Start integrity checker */ iccval |= 1; p_integrity_checker->icc = iccval; /* Poll for any interrupts */ while(!p_integrity_checker->icis) {} /* Check for any unusual error interrupts */ if (p_integrity_checker->icis & (~0b11)) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_CHECK_VALUE_OPERATION_FAILED); return INTEGRITY_CHECKER_ERROR_CHECK_VALUE_OPERATION_FAILED; } else if (p_integrity_checker->icis & (0b10)) { /* Check for comparison failure */ NONFATAL_ERR(INTEGRITY_CHECKER_ERROR_CHECK_VALUE_COMPARISON_FAILED); return INTEGRITY_CHECKER_ERROR_CHECK_VALUE_COMPARISON_FAILED; } return INTEGRITY_CHECKER_ERROR_NONE; }

3 months

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Security vulnerability notice - Fix unchecked TLV payload length

by Anton Komlev

Hello, This is a notification regarding a newly reported security vulnerability in Trusted Firmware-M (TF-M): TFMV-9: Fix unchecked TLV payload length by Bartek Piekarski from Product Security team, Arm Ltd. Please find the detailed security advisory attached. The fix for this issue has been merged into the latest main branch under the same identifier: https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/40872 We are currently preparing hotfix releases v2.1.3 and v2.2.1, which will include this fix along with other bug fixes reported up to the release date via the TF-M issue tracker: https://github.com/TrustedFirmware-M/trusted-firmware-m/issues?q=is%3Aissue Thanks, and best regards Anton Komlev

3 months, 1 week

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Issue with integrity_checker_compute_value() and cache coherence on RDV3R1 with TF-M

by 박진국

Hello, I am currently developing TF-M on the RDV3R1 S/W platform, and I would like to report a potential issue observed during runtime with the integrity_checker_compute_value() function in BL2. Problem Description: Inside the integrity_checker_compute_value() function, the iccva register is set to the address of either the value or temp_val variable, as shown in the example below. enum integrity_checker_error_t integrity_checker_compute_value(struct integrity_checker_dev_t *dev, enum integrity_checker_mode_t mode, const uint32_t *data, size_t size, uint32_t *value, size_t value_size, size_t *value_len) { volatile uint32_t __ALIGNED(INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) temp_val[INTEGRITY_CHECKER_OUTPUT_SIZE_SHA256 / sizeof(uint32_t)] = {0}; volatile uint32_t *value_ptr = value; struct _integrity_checker_reg_map_t* p_integrity_checker = (struct _integrity_checker_reg_map_t*)dev->cfg->base; enum integrity_checker_error_t err; uint32_t iccval = 0; err = check_mode_is_supported(dev, mode, true); if (err != INTEGRITY_CHECKER_ERROR_NONE) { return err; } if (value_size < mode_sizes[mode]) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_BUFFER_TOO_SMALL); return INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_BUFFER_TOO_SMALL; } if (((uintptr_t)data % INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) != 0) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_INVALID_ALIGNMENT); return INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_INVALID_ALIGNMENT; } if ((size % INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) != 0) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_INVALID_LENGTH); return INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_INVALID_LENGTH; } if (((uintptr_t)value % INTEGRITY_CHECKER_REQUIRED_ALIGNMENT) != 0) { value_ptr = temp_val; } init_integrity_checker(dev, &iccval); /* Set algorithm */ iccval |= (mode & 0b111) << 1; /* Set to compute mode */ iccval |= 1 << 4; /* Configure input data. Size is in words */ p_integrity_checker->icda = remap_addr(dev, (uintptr_t)data); p_integrity_checker->icdl = size / INTEGRITY_CHECKER_REQUIRED_ALIGNMENT; /* Set output address */ p_integrity_checker->iccva = remap_addr(dev, (uintptr_t)value_ptr); /* Start integrity checker */ iccval |= 1; p_integrity_checker->icc = iccval; /* Poll for any interrupts */ while(!p_integrity_checker->icis) {} /* Check for any unusual error interrupts */ if (p_integrity_checker->icis & (~0b11)) { FATAL_ERR(INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_OPERATION_FAILED); return INTEGRITY_CHECKER_ERROR_COMPUTE_VALUE_OPERATION_FAILED; } if (value_ptr != value) { for (int idx = 0; idx < mode_sizes[mode] / sizeof(uint32_t); idx++) { value[idx] = value_ptr[idx]; } } if (value_len != NULL) { *value_len = mode_sizes[mode]; } return INTEGRITY_CHECKER_ERROR_NONE; } static void init_integrity_checker(struct integrity_checker_dev_t *dev, uint32_t *iccval) { struct _integrity_checker_reg_map_t* p_integrity_checker = (struct _integrity_checker_reg_map_t*)dev->cfg->base; /* Set MatchTriggerDisable, as it is mandatory. */ *iccval |= 1 << 5; /* Set EncompvalOut so the integrity checker writes the value pointer in * compute mode. */ *iccval |= 1 << 6; *iccval |= (IC_APROT_SECURE_PRIVILEGED & 0b11) << 7; *iccval |= (IC_APROT_SECURE_PRIVILEGED & 0b11) << 9; /* Disable all alarms */ p_integrity_checker->icae = 0; /* Enable and clear all interrupts */ p_integrity_checker->icie = 0xFF; p_integrity_checker->icic = 0xFF; } The issue arises because the memory areas pointed to by value and temp_val are cacheable (e.g., located in the vm0 memory region, which is configured as cacheable). As a result, even though the integrity checker writes the output data to the physical address of value or temp_val, the CPU cache is not updated, and this leads to stale data being read later in software, resulting in runtime errors. Expected Behavior: Ideally, the memory region used for integrity checker output should either be: Non-cacheable, or Explicitly synchronized (e.g., cache invalidated or cleaned) after the integrity checker operation. Could you please confirm whether this is a known issue, and advise on the recommended way to handle integrity checker outputs with respect to cache settings? Thank you. JK Park

3 months, 1 week

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TF-M BL2 compiling issue using RDINFRA

by 김태훈

Hello, I'm a RSE firmware developer for Arm Neoverse V3 core. I tried to build with argument MCUBOOT_ENC_IMAGES, MCUBOOT_ENCRYPT_RSA, and MCUBOOT_USE_PSA_CRYPTO for RSE PE encryption. In this process, I encountered an error during build TF-M using the repo for tag:RD-INFRA-2025.07.03. It seems that linking problem, and I found out that the error occurred while configuring BL2. However, that's all. Can anyone help me? Below log is in my terminal output.  p.s. If I reached wrong site, please forgive me and teach me a right one. cmake --build build --target bl2 [  0%] Built target manifest_tool [  0%] Built target bl2_scatter [ 10%] Built target bl2_cc3xx_psa_driver_api [ 31%] Built target bl2_cc3xx [ 68%] Built target platform_bl2 [ 78%] Built target bl2_crypto [ 94%] Built target bootutil [ 94%] Linking C executable ../bin/bl2.axf /home/gth1919/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/bin/ld: ext/mcuboot/bootutil/libbootutil.a(encrypted.o): in function `bootutil_rsa_oaep_decrypt': /TF_M/build/lib/ext/mcuboot-src/boot/bootutil/include/bootutil/crypto/rsa.h:107: undefined reference to `psa_asymmetric_decrypt' Memory region         Used Size  Region Size  %age Used            FLASH:       80356 B       126 KB     62.28%              RAM:       35360 B       896 KB      3.85% collect2: error: ld returned 1 exit status gmake[3]: *** [bl2/CMakeFiles/bl2.dir/build.make:222: bin/bl2.axf] Error 1 gmake[2]: *** [CMakeFiles/Makefile2:2661: bl2/CMakeFiles/bl2.dir/all] Error 2 gmake[1]: *** [CMakeFiles/Makefile2:2668: bl2/CMakeFiles/bl2.dir/rule] Error 2 gmake: *** [Makefile:520: bl2] Error 2 HP. Mail.  010-6768-7791  gth1919(a)adtek.co.kr Application Platform Group김태훈 연구원 (주)에이디테크놀로지 (16512) 경기도 수원시 영통구 광교중앙로248번길 7-8 Web. http://www.adtek.co.kr

3 months, 2 weeks

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Proposal to deprecate Musca-S1 and BL5340_dvk_cpuapp platforms

by Anton Komlev

Hi everyone, We would like to propose the deprecation of the following two TF-M platforms: 1. Musca-S1 (Arm) Musca-S1 was one of the earliest platforms featuring an Armv8-M silicon implementation, providing a valuable real hardware target for initial development. However, with the availability of many modern hardware platforms, Musca-S1 is no longer essential and can be deprecated. 2. BL5340_dvk_cpuapp (Laird Connectivity) This platform was initially proposed for deprecation at the end of 2023. Support activity has been minimal, and it closely mirrors the already-supported nRF5340 platform from Nordic Semiconductor. Please share any comments or objections regarding this proposal. If no major concerns are raised by the end of June 2025, we plan to mark these platforms as deprecated and proceed with their removal from the codebase. Thank you, Anton

3 months, 3 weeks

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Trusted Firmware Gerrit issues

by Matthew Dalzell

Hi All, We have recently undergone a migration of our Gerrit server and are seeing some issues. One such change appears to be that https://review.trustedfirmware.org/TF-M/trusted-firmware-m no longer resolves to https://review.trustedfirmware.org/plugins/gitiles/TF-M/trusted-firmware-m. So please use the latter link if that is what you wish to access. This is causing a large slow-down on the CI causing jobs to not be run. These issues are being actively worked on and we hope all will be back up and running normally soon. If you have any questions or related issues please feel free to respond to this chain. Thank you for your patience, Matt

3 months, 3 weeks

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Iar Linker duplicate file

by Inhelder Nicolas

Hi When compiling with IAR bxarm 9.7.1 i get the following linker errors: cmake -S . -B cmake_build -DTFM_PLATFORM=arm/mps2/an521 -DTFM_TOOLCHAIN_FILE=toolchain_IARARM.cmake cmake --build cmake_build -- install [25/31] Linking C executable bin/tfm_s.axf Warning[Li065]: duplicate file: "/home/ubuntu/import/source/trusted-firmware-m/ cmake_build/platform/libplatform_s.a" Warning[Li065]: duplicate file: "/home/ubuntu/import/source/trusted-firmware-m/ cmake_build/secure_fw/partitions/lib/runtime/libtfm_sprt.a" Warning[Li065]: duplicate file: "/home/ubuntu/import/source/trusted-firmware-m/ cmake_build/secure_fw/spm/libtfm_spm.a" In the build.ninja file you can see that all those libraries are includes twice. LINK_LIBRARIES = platform/libplatform_s.a secure_fw/partitions/lib/runtime/libtfm_sprt.a secure_fw/spm/libtfm_spm.a secure_fw/partitions/internal_trusted_storage/libtfm_psa_rot_partition_its.a secure_fw/partitions/platform/libtfm_psa_rot_partition_platform.a platform/libplatform_s.a secure_fw/partitions/lib/runtime/libtfm_sprt.a secure_fw/spm/libtfm_spm.a secure_fw/partitions/internal_trusted_storage/libtfm_psa_rot_partition_its.a secure_fw/partitions/platform/libtfm_psa_rot_partition_platform.a Is there a reason this is not resolved or this just the way Cmake works? Is there an easy way to resolve this on the platform level? I used the an521 as a template to create my platform. In my platform this list grows with every feature I activate: Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/platform/libplatform_s.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/lib/runtime/libtfm_sprt.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/spm/libtfm_spm.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/platform/libplatform_crypto_keys.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/crypto/mbedcrypto/library/libmbedcrypto.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/crypto/libtfm_psa_rot_partition_crypto.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/internal_trusted_storage/libtfm_psa_rot_partit ion_its.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/platform/libtfm_psa_rot_partition_platform.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/firmware_update/libtfm_psa_rot_partition_fwu.a " Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/lib/runtime/libtfm_sp_log.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/platform/libplatform_s.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/lib/runtime/libtfm_sprt.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/spm/libtfm_spm.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/platform/libplatform_crypto_keys.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/crypto/mbedcrypto/library/libmbedcrypto.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/crypto/libtfm_psa_rot_partition_crypto.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/internal_trusted_storage/libtfm_psa_rot_partit ion_its.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/platform/libtfm_psa_rot_partition_platform.a" Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/firmware_update/libtfm_psa_rot_partition_fwu.a " Warning[Li065]: duplicate file: "/home/source/trusted-firmware-m/cmake_buil d/secure_fw/partitions/lib/runtime/libtfm_sp_log.a" If possible, I want to build without warnings. Thanks for your help Kind regards, Nico

3 months, 3 weeks

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Constrains of key ownership in TF-M

by Norrathep Rattanavipanon

Hello, I just recently found out that there's a concept of key ownership in TF-M (e.g., if a new secure partition creates a key and returns the key handle to NSPE, NSPE can't export it even if the key is config-ed to be exportable -- the key can only be used by the owner). My question is: is this design based on PSA or specific to just TF-M implementation? Thank you in advance, -- Oak Norrathep -- ศูนย์กลางการศึกษานานาชาติ มุ่งสู่ความเป็นเลิศทางวิชาการของอาเซียน International education hub towards ASEAN’s academic excellence

4 months

2
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Question about build error in TF-M release/2.2.x

by Zhang, Hao

Hi TF-M community, When I am trying to build TF-M regression test for 2.2.x release, I sets the tf-m-tests repo version to recommended TF-Mv2.1.2-RC2. The tf-m-tests tests_reg/spe/CMakeLists.txt has following line: install(FILES ${CONFIG_TFM_SOURCE_PATH}/lib/ext/qcbor/q_useful_buf.h DESTINATION ${CMAKE_BINARY_DIR}/api_ns/qcbor/inc) However, release 2.2.x https://git.trustedfirmware.org/plugins/gitiles/TF-M/trusted-firmware-m.git… has removed q_useful_buf.h. Therefore, causing a build error. Is there anything I am missing. Any help would be appreciated. Best regards, Hao

4 months

2
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Build failure of release/2.1.x

by Zhang, Hao

Dear whoever that may concern, I am trying to build TF-M with release/2.1.x. The first error I see when cloning mbedcrypto is Cloning into 'mbedcrypto-src'... remote: Enumerating objects: 31188, done. remote: Counting objects: 100% (31188/31188), done. remote: Compressing objects: 100% (15898/15898), done. remote: Total 31188 (delta 24658), reused 20224 (delta 15043), pack-reused 0 (from 0) Receiving objects: 100% (31188/31188), 35.81 MiB | 4.89 MiB/s, done. Resolving deltas: 100% (24658/24658), done. fatal: invalid reference: f985bee CMake Error at mbedcrypto-subbuild/mbedcrypto-populate-prefix/tmp/mbedcrypto-populate-gitclone.cmake:40 (message): Failed to checkout tag: 'f985bee' I therefore change the GIT_SHALLOW to FALSE, and it builds. However, another build error come up when applying patches for mbedcrypto. Checking patch library/psa_crypto.c... Checking patch library/psa_crypto_driver_wrappers.h... error: library/psa_crypto_driver_wrappers.h: No such file or directory Checking patch library/psa_crypto_driver_wrappers_no_static.c... error: library/psa_crypto_driver_wrappers_no_static.c: No such file or directory I did checkout commit f985bee and find in fact there is no psa_crypto_driver_wrappers.h. Is it possible that the commit hash is incorrect? Best regards, Hao

4 months, 3 weeks

2
1
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