Merge pull request #373 from NVIDIA/rhel9-arm-support

[rhel9] add support for ARM-based OS versions

Author: tariq1890

rhel9/nvidia-driver

@@ -142,7 +142,19 @@ _install_prerequisites() (
 
     echo "Generating Linux kernel version string..."
     if [ "$TARGETARCH" = "arm64" ]; then
-        gunzip -c /lib/modules/${KERNEL_VERSION}/vmlinuz | strings | grep -E '^Linux version' | sed 's/^\(.*\)\s\+(.*)$/\1/' > version
+        # Download unzboot as kernel images are compressed in the zboot format on RHEL 9 arm64
+        # unzboot is only available on the EPEL RPM repo
+        dnf -q -y --releasever=${DNF_RELEASEVER} install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
+        dnf config-manager --enable epel
+        dnf -q -y --releasever=${DNF_RELEASEVER} install unzboot
+
+        if ! unzboot /lib/modules/${KERNEL_VERSION}/vmlinuz vmlinuz.out; then
+          echo "Could not extract /lib/modules/${KERNEL_VERSION}/vmlinuz" >&2
+          return 1
+        fi
+
+        < vmlinuz.out strings | grep -E '^Linux version' | sed 's/^\(.*\)\s\+(.*)$/\1/' > version
+        rm vmlinuz.out
     else
         extract-vmlinux /lib/modules/${KERNEL_VERSION}/vmlinuz | strings | grep -E '^Linux version' | sed 's/^\(.*\)\s\+(.*)$/\1/' > version
     fi