drop 4k and go 16k

[m1-debian] / files / rc.local

diff --git a/files/rc.local b/files/rc.local
index c2e649b39ea808361684fd22061ce2cb021af9d4..5e9642ecee41c995d20d4371ef8aaf7d92e6e153 100755 (executable)
--- a/files/rc.local
+++ b/files/rc.local
@@ -6,8 +6,13 @@
 # [x] generate fstab
 # [x] mount /boot/efi
 # [x] install grub
-# [ ] extract wifi firmware
-# [ ] In order to change the uuid of the root filesystem, bootstrap.sh must remember it in a file within the mounted disk image. And the initrd needs to change it.
+# [x] extract wifi firmware
+# [ ] on life system skip everything but wifi firmware
+# [x] change uuid of ext4
+
+my $firmware_tarball = '/boot/efi/linux-firmware.tar';
+my $firmware_manifest = '/lib/firmware/ASAHI_FIRMWARE_MANIFEST';
+my $grubcfg = '/mnt/EFI/debian/grub.cfg';
 
 sub
 find_root_device
@@ -30,7 +35,7 @@ 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;
         }
@@ -54,8 +59,8 @@ 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}/) {
@@ -81,7 +86,6 @@ generate_fstab
 
         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
@@ -91,26 +95,55 @@ EOF
 sub
 install_grub
 {
+        system('rm -rf /boot/efi/*');
         system('apt-get install -y grub-efi-arm64-signed-');
-        system('grub-install --target=arm64-efi --efi-directory=/boot/efi --removable');
-        system('update-grub');
         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");
+}
+
+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 $root_fs_uuid = 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 '/etc/fstab') {
+unless (-f '/boot/grub/grub.cfg') {
         $root_block_device = find_root_device();
         system("resize2fs $root_block_device");
-        $root_fs_uuid = find_fs_uuid_of_device($root_block_device);
-        $efi_block_device = find_efi_parition($root_fs_uuid);
+        $initial_root_fs_uuid = find_fs_uuid_of_device($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);
-        generate_fstab($root_fs_uuid, $efi_fs_uuid);
+        $final_root_fs_uuid = find_fs_uuid_of_device($root_block_device);
+        generate_fstab($final_root_fs_uuid, $efi_fs_uuid);
         system('mount /boot/efi');
         install_grub();
 }
+
+update_wifi_firmware_if_necessary();