Intel microcode

recipes/bsp/intel/microcode.yaml

@@ -0,0 +1,16 @@
+metaEnvironment:
+    PKG_DESCRIPTION: "Intel Processor Microcode Package for Linux"
+    PKG_LICENSE_FILE: "license"
+    PKG_VERSION: "20250211"
+
+checkoutSCM:
+    scm: url
+    url: ${GITHUB_MIRROR}/intel/Intel-Linux-Processor-Microcode-Data-Files/archive/refs/tags/microcode-20250211.tar.gz
+    digestSHA256: 1da88b51953c9da2e20b5c94b3d7270cf87ea5babcaa56e3d6a5c9eaf11694b3
+    stripComponents: 1
+
+buildScript: |
+    ln -snf $1/intel-ucode .
+
+packageScript: |
+    rsync -a --delete $1/intel-ucode/ .

recipes/utils/iucode-tool.yaml

@@ -0,0 +1,23 @@
+inherit: [autotools]
+
+metaEnvironment:
+    PKG_DESCRIPTION: "Manipulates Intel processor microcode bundles"
+    PKG_LICENSE: "GPLv2"
+    PKG_VERSION: "2.3.1"
+
+checkoutSCM:
+    scm: url
+    url: https://gitlab.com/iucode-tool/releases/-/raw/master/iucode-tool_${PKG_VERSION}.tar.xz
+    digestSHA256: 12b88efa4d0d95af08db05a50b3dcb217c0eb2bfc67b483779e33d498ddb2f95
+    stripComponents: 1
+
+buildScript: |
+    export ac_cv_func_malloc_0_nonnull=yes
+    export ac_cv_func_realloc_0_nonnull=yes
+    autotoolsBuild $1
+
+packageScript: |
+    autotoolsPackageBin
+
+provideTools:
+    iucode-tool: "usr/sbin"

tests/buildall/recipes/buildall.yaml

@@ -32,6 +32,8 @@ multiPackage:
 
             - all
             - bsp::grub2
+            - bsp::intel::microcode
+            - utils::iucode-tool # uses cpuid which is not available on !x86
 
 buildScript: |
   /bin/true