update firmware path

[m1-debian] / files / rc.local

diff --git a/files/rc.local b/files/rc.local
index 651a9086464a78047e6806c3b92391553cf7e6a5..cef9c923c952aaddf3475298091d05d6ced1d38c 100755 (executable)
--- a/files/rc.local
+++ b/files/rc.local
@@ -1,17 +1,8 @@
 #!/usr/bin/perl
 
-# [x] resize root filesystem
-# [x] find root fs uuid
-# [ ] find boot partition
-# [ ] generate fstab
-# [ ] mount boot
-# [ ] install grub
-# [ ] extract wifi firmware
-# [ ] reboots if grub or wifi firmware has changed
-
-my $root_block_device = undef;
-my $root_fs_uuid = undef;
-my $efi_block_device = undef;
+my $firmware_tarball = '/boot/efi/vendorfw/firmware.tar';
+my $firmware_manifest = '/lib/firmware/ASAHI_FIRMWARE_MANIFEST';
+my $grubcfg = '/mnt/EFI/debian/grub.cfg';
 
 sub
 find_root_device
@@ -34,7 +25,7 @@ find_fs_uuid_of_device
 {
         my $dev = shift || die;
         my $blkid_output = `blkid ${dev}`;
-        # /dev/nvme0n1p5: LABEL="/" UUID="fe9c5ac8-edf4-442e-a09e-e0451606898e" BLOCK_SIZE="4096" TYPE="ext4" PARTLABEL="primary" PARTUUID="03378b79-346d-42f9-b404-44b22bc6798f"
+
         if ($blkid_output =~ /UUID="([^"]+)"/) {
                 return $1;
         }
@@ -58,8 +49,8 @@ find_efi_parition
 
         for my $dev (@candidates) {
                 system("mount -o ro $dev /mnt");
-                        if (-f '/mnt/EFI/boot/grub.cfg') {
-                                open(GRUBCFG, '<', '/mnt/EFI/boot/grub.cfg') || die ("Can't open /mnt/EFI/boot/grub.cfg: $!");
+                        if (-f $grubcfg) {
+                                open(GRUBCFG, '<', $grubcfg) || die ("Can't open $grubcfg: $!");
                                 my @lines = <GRUBCFG>;
                                 for (@lines) {
                                         if (/${uuid_in_grub_cfg}/) {
@@ -77,9 +68,72 @@ find_efi_parition
         return $efi_parition;
 }
 
+sub
+generate_fstab
+{
+        my $root_fs_uuid = shift || die;
+        my $efi_fs_uuid = shift || die;
+
+        open(FSTAB, '>', '/etc/fstab') || die ("Can not open fstab");
+        print FSTAB <<EOF;
+UUID="$root_fs_uuid" /         ext4 defaults 0 0
+UUID="$efi_fs_uuid"  /boot/efi vfat defaults 0 0
+EOF
+        close(FSTAB);
+}
+
+sub
+install_grub
+{
+        system('rm -rf /boot/efi/*');
+        system('apt-get install -y grub-efi-arm64-signed-');
+        system("echo 'grub-efi-arm64 grub2/update_nvram boolean false' | debconf-set-selections");
+        system("echo 'grub-efi-arm64 grub2/force_efi_extra_removable boolean true' | debconf-set-selections");
+        system("dpkg-reconfigure -fnoninteractive grub-efi-arm64");
+        system("update-grub");
+}
 
-$root_block_device = find_root_device();
-# system("resize2fs $root_block_device");
+sub
+update_wifi_firmware_if_necessary
+{
+        return unless -f $firmware_tarball;
+
+        if (-f $firmware_manifest) {
+                system("sha256sum -c $firmware_manifest --quiet");
+                return if $? == 0;
+        }
+
+        system("sha256sum $firmware_tarball > $firmware_manifest");
+        system("tar -C /lib/firmware/ -xf $firmware_tarball");
+
+        system('rmmod brcmfmac');
+        system('rmmod brcmutil');
+        sleep(1);
+        system('modprobe brcmfmac');
+        sleep(1);
+        system('rmmod brcmfmac');
+        sleep(1);
+        system('modprobe brcmfmac');
+}
+
+my $root_block_device = undef;
+my $initial_root_fs_uuid = undef;
+my $final_root_fs_uuid = undef;
+my $efi_block_device = undef;
+my $efi_fs_uuid = undef;
+
+unless (-f '/boot/grub/grub.cfg') {
+        $root_block_device = find_root_device();
+        system("resize2fs $root_block_device");
+        $initial_root_fs_uuid = find_fs_uuid_of_device($root_block_device);
+        $efi_block_device = find_efi_parition($initial_root_fs_uuid);
+        system("mlabel -s -n :: -i $efi_block_device");
+        system("tune2fs -U random ${root_block_device}");
+        $efi_fs_uuid = find_fs_uuid_of_device($efi_block_device);
+        $final_root_fs_uuid = find_fs_uuid_of_device($root_block_device);
+        generate_fstab($final_root_fs_uuid, $efi_fs_uuid);
+        system('mount /boot/efi');
+        install_grub();
+}
 
-$root_fs_uuid = find_fs_uuid_of_device($root_block_device);
-$efi_block_device = find_efi_parition($root_fs_uuid);
+update_wifi_firmware_if_necessary();