From a75a08b69154e305fafad921908cd7d1f88df720 Mon Sep 17 00:00:00 2001 From: Mateusz Maciejewski Date: Thu, 18 Sep 2025 12:52:52 +0200 Subject: [PATCH 1/4] README.md: Boot Guard CAUTION section added to Standalone part. Warning against using smbios subcommand on btg provisioned images. Signed-off-by: Mateusz Maciejewski --- README.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/README.md b/README.md index 82d79f3..65560ee 100644 --- a/README.md +++ b/README.md @@ -105,6 +105,12 @@ This is a [known issue](https://github.com/Dasharo/dcu/issues/17). The script will save the UUID and Serial Number to the COREBOOT region and the logo to BOOTSPLASH region. +CAUTION: Using `smbios` subcommand to modify SMBIOS data in a firmware image is +allowed only on images without Boot Guard provisioning. Official Dasharo images +containing Boot Guard provisioning are marked with `_btg_provisioned` image file +name portion. Flashing `_btg_provisioned` image with modified SMBIOS data will +make the platform unusable & will require an external flashing recovery procedure. + NOTE: Not all Dasharo platform support such customizations. NOTE: if you update the firmware by rewriting whole BIOS region, the data will From 347a44f65c6508e74c9b34ced3b6e818c9548502 Mon Sep 17 00:00:00 2001 From: Mateusz Maciejewski Date: Thu, 18 Sep 2025 13:07:15 +0200 Subject: [PATCH 2/4] README.md: CAUTION against smbios command changed to admonition. Signed-off-by: Mateusz Maciejewski --- README.md | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/README.md b/README.md index 65560ee..25cef80 100644 --- a/README.md +++ b/README.md @@ -105,11 +105,12 @@ This is a [known issue](https://github.com/Dasharo/dcu/issues/17). The script will save the UUID and Serial Number to the COREBOOT region and the logo to BOOTSPLASH region. -CAUTION: Using `smbios` subcommand to modify SMBIOS data in a firmware image is -allowed only on images without Boot Guard provisioning. Official Dasharo images -containing Boot Guard provisioning are marked with `_btg_provisioned` image file -name portion. Flashing `_btg_provisioned` image with modified SMBIOS data will -make the platform unusable & will require an external flashing recovery procedure. +???+ warning + CAUTION: Using `smbios` subcommand to modify SMBIOS data in a firmware image is + allowed only on images without Boot Guard provisioning. Official Dasharo images + containing Boot Guard provisioning are marked with `_btg_provisioned` image file + name portion. Flashing `_btg_provisioned` image with modified SMBIOS data will + make the platform unusable & will require an external flashing recovery procedure. NOTE: Not all Dasharo platform support such customizations. From e17c2f9ea93dc9ae7186ff5651603c0dce96bd82 Mon Sep 17 00:00:00 2001 From: Mateusz Maciejewski Date: Thu, 18 Sep 2025 13:09:12 +0200 Subject: [PATCH 3/4] README.md: admonition new line added. Signed-off-by: Mateusz Maciejewski --- README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/README.md b/README.md index 25cef80..3b01276 100644 --- a/README.md +++ b/README.md @@ -106,6 +106,7 @@ The script will save the UUID and Serial Number to the COREBOOT region and the logo to BOOTSPLASH region. ???+ warning + CAUTION: Using `smbios` subcommand to modify SMBIOS data in a firmware image is allowed only on images without Boot Guard provisioning. Official Dasharo images containing Boot Guard provisioning are marked with `_btg_provisioned` image file From 3b065bc4b69546b809672eeeab77a74eaab7ac54 Mon Sep 17 00:00:00 2001 From: Mateusz Maciejewski Date: Thu, 18 Sep 2025 13:11:46 +0200 Subject: [PATCH 4/4] README.md: admonition syntax changed. Signed-off-by: Mateusz Maciejewski --- README.md | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/README.md b/README.md index 3b01276..c6b72c7 100644 --- a/README.md +++ b/README.md @@ -105,13 +105,12 @@ This is a [known issue](https://github.com/Dasharo/dcu/issues/17). The script will save the UUID and Serial Number to the COREBOOT region and the logo to BOOTSPLASH region. -???+ warning - - CAUTION: Using `smbios` subcommand to modify SMBIOS data in a firmware image is - allowed only on images without Boot Guard provisioning. Official Dasharo images - containing Boot Guard provisioning are marked with `_btg_provisioned` image file - name portion. Flashing `_btg_provisioned` image with modified SMBIOS data will - make the platform unusable & will require an external flashing recovery procedure. +> [!WARNING] +> CAUTION: Using `smbios` subcommand to modify SMBIOS data in a firmware image is +> allowed only on images without Boot Guard provisioning. Official Dasharo images +> containing Boot Guard provisioning are marked with `_btg_provisioned` image file +> name portion. Flashing `_btg_provisioned` image with modified SMBIOS data will +> make the platform unusable & will require an external flashing recovery procedure. NOTE: Not all Dasharo platform support such customizations.