From 3f8ddc231095c81819990d32c9d0a03a2c6739e7 Mon Sep 17 00:00:00 2001
From: Silvan Calarco <silvan.calarco@mambasoft.it>
Date: Sat, 6 Jan 2024 06:18:44 +0100
Subject: [PATCH] add amd-ucode subpackage with ADM CPUs update microcode image
 [release 20220509-2mamba;Sun Jun 05 2022]

---
 linux-firmware.spec | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/linux-firmware.spec b/linux-firmware.spec
index 1f086fb..95ad5a4 100644
--- a/linux-firmware.spec
+++ b/linux-firmware.spec
@@ -1,6 +1,6 @@
 Name:          linux-firmware
 Version:       20220509
-Release:       1mamba
+Release:       2mamba
 Summary:       Collection of firmware files used by the Linux Kernel
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
@@ -30,17 +30,43 @@ Obsoletes:     linux-firmware-extra < 20210719
 %description
 Collection of firmware files used by the Linux Kernel.
 
+%package -n amd-ucode
+Group:         System/Kernel and Hardware
+Summary:       Microcode update image for AMD CPUs
+
+%description -n amd-ucode
+Microcode update image for AMD CPUs.
+
 %prep
 %setup -q
 #%patch0 -p1
 
 %build
+%ifarch x86_64 %{ix86}
+# Create amd-ucode.img
+mkdir -p kernel/x86/microcode
+cat amd-ucode/microcode_amd*.bin > kernel/x86/microcode/AuthenticAMD.bin
+
+# Reproducibility: set the timestamp on the bin file
+if [[ -n ${SOURCE_DATE_EPOCH} ]]; then
+  touch -d @${SOURCE_DATE_EPOCH} kernel/x86/microcode/AuthenticAMD.bin
+fi
+
+# Reproducibility: strip the inode and device numbers from the cpio archive
+echo kernel/x86/microcode/AuthenticAMD.bin |
+  bsdtar --uid 0 --gid 0 -cnf - -T - |
+  bsdtar --null -cf - --format=newc @- > amd-ucode.img
+%endif
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall \
    FIRMWAREDIR=%{_prefix}/lib/firmware
 
+%ifarch x86_64 %{ix86}
+install -D -m0644 amd-ucode.img %{buildroot}/boot/amd-ucode.img
+%endif
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -68,7 +94,17 @@ fi
 %dir %{_prefix}/lib/firmware
 %{_prefix}/lib/firmware/*
 
+%ifarch x86_64 %{ix86}
+%files -n amd-ucode
+%defattr(-,root,root)
+/boot/amd-ucode.img
+%doc LICENSE.amd-ucode
+%endif
+
 %changelog
+* Sun Jun 05 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 20220509-2mamba
+- add amd-ucode subpackage with ADM CPUs update microcode image
+
 * Tue May 10 2022 Automatic Build System <autodist@mambasoft.it> 20220509-1mamba
 - automatic version update by autodist