diff --git a/Proxmox/Install.pm b/Proxmox/Install.pm
index fa2702c..636e684 100644
--- a/Proxmox/Install.pm
+++ b/Proxmox/Install.pm
@@ -6,6 +6,7 @@ use warnings;
 use Cwd 'abs_path';
 use Encode;
 use POSIX ":sys_wait_h";
+use POSIX qw(EINTR EEXIST EOPNOTSUPP);
 
 use Proxmox::Install::ISOEnv;
 use Proxmox::Install::RunEnv;
@@ -58,6 +59,13 @@ sub reset_last_display_change {
     $last_display_change = 0;
 }
 
+my $host_arch;
+sub get_host_arch {
+    $host_arch = (POSIX::uname())[4] if !$host_arch;
+    return $host_arch;
+}
+my $arch = get_host_arch();
+
 sub display_info {
     my $min_display_time = 15;
 
@@ -97,6 +105,7 @@ my $fssetup = {
     },
 };
 
+
 sub create_filesystem {
     my ($dev, $name, $type, $start, $end, $fs, $fe) = @_;
 
@@ -625,9 +653,18 @@ sub prepare_grub_efi_boot_esp {
 
     syscmd("mount -n $espdev -t vfat $targetdir/boot/efi") == 0 ||
 	die "unable to mount $espdev\n";
-
+    my $arch = get_host_arch();
+    my $rc;
     eval {
-	my $rc = syscmd("chroot $targetdir /usr/sbin/grub-install --target x86_64-efi --no-floppy --bootloader-id='proxmox' $dev");
+	if ($arch eq "aarch64"){
+		my $rc = syscmd("chroot $targetdir /usr/sbin/grub-install --target arm64-efi --no-floppy --bootloader-id='proxmox' $dev");
+	} elsif ($arch eq "loongarch64"){
+		my $rc = syscmd("chroot $targetdir /usr/sbin/grub-install --target loongarch64-efi --no-floppy --bootloader-id='proxmox' $dev");
+	} elsif ($arch eq "riscv64"){
+		my $rc = syscmd("chroot $targetdir /usr/sbin/grub-install --target riscv64-efi --no-floppy --bootloader-id='proxmox' $dev");
+	} else {
+		die "unable to install grub on arch $arch\n";
+	}
 	if ($rc != 0) {
 	    my $run_env = Proxmox::Install::RunEnv::get();
 	    if ($run_env->{boot_type} eq 'efi') {
@@ -636,12 +673,23 @@ sub prepare_grub_efi_boot_esp {
 		warn "unable to install the EFI boot loader on '$dev', ignoring (not booted using UEFI)\n";
 	    }
 	}
+	rockchip_dtb_setup($espdev, $targetdir , 0);
+
 	# also install fallback boot file (OVMF does not boot without)
 	mkdir("$targetdir/boot/efi/EFI/BOOT");
-	syscmd("cp $targetdir/boot/efi/EFI/proxmox/*.efi $targetdir/boot/efi/EFI/BOOT/") == 0 ||
+	syscmd("cp -r $targetdir/boot/efi/EFI/proxmox/* $targetdir/boot/efi/EFI/BOOT/");
+	if ($arch eq "aarch64"){
+		syscmd("cp $targetdir/boot/efi/EFI/BOOT/grubaa64.efi $targetdir/boot/efi/EFI/BOOT/BOOTAA64.EFI ") == 0  ||
 	    die "unable to copy efi boot loader\n";
-	syscmd("mv $targetdir/boot/efi/EFI/BOOT/shimx64.efi $targetdir/boot/efi/EFI/BOOT/BOOTx64.efi") == 0 ||
-	    die "unable to setup default efi boot loader\n";
+	} elsif ($arch eq "loongarch64") { 
+		syscmd("cp $targetdir/boot/efi/EFI/BOOT/grubloongarch64.efi $targetdir/boot/efi/EFI/BOOT/BOOTLOONGARCH64.efi") == 0  ||
+            die "unable to copy efi boot loader\n";
+	} elsif ($arch eq "riscv64") {
+		syscmd("cp $targetdir/boot/efi/EFI/BOOT/grubriscv64.efi $targetdir/boot/efi/EFI/BOOT/BOOTRISCV64.efi") == 0  ||
+            die "unable to copy efi boot loader\n";
+	}  else {
+                die "unable to opy efi boot loader on arch $arch\n";
+        }
     };
     my $err = $@;
 
@@ -1258,14 +1306,6 @@ _EOD
 	diversion_remove($targetdir, "/usr/sbin/update-grub");
 	diversion_remove($targetdir, "/usr/sbin/update-initramfs");
 
-	my $kapi;
-	foreach my $fn (<$targetdir/lib/modules/*>) {
-	    if ($fn =~ m!/(\d+\.\d+\.\d+-\d+-pve)$!) {
-		die "found multiple kernels\n" if defined($kapi);
-		$kapi = $1;
-	    }
-	}
-	die "unable to detect kernel version\n" if !defined($kapi);
 
 	if (!is_test_mode()) {
 
@@ -1275,7 +1315,7 @@ _EOD
 
 	    my $bootloader_err_list = [];
 	    eval {
-		syscmd("chroot $targetdir /usr/sbin/update-initramfs -c -k $kapi") == 0 ||
+		syscmd("chroot $targetdir /usr/sbin/update-initramfs -c -k all") == 0 ||
 		    die "unable to install initramfs\n";
 
 		my $native_4k_disk_bootable = 0;
@@ -1290,8 +1330,8 @@ _EOD
 		    } else {
 			if (!$native_4k_disk_bootable) {
 			    eval {
-				syscmd("chroot $targetdir /usr/sbin/grub-install --target i386-pc --no-floppy --bootloader-id='proxmox' $dev") == 0 ||
-					die "unable to install the i386-pc boot loader on '$dev'\n";
+#				syscmd("chroot $targetdir /usr/sbin/grub-install --target i386-pc --no-floppy --bootloader-id='proxmox' $dev") == 0 ||
+					print ("not need  install the i386-pc boot loader on '$dev'\n");
 			    };
 			    push @$bootloader_err_list, $@ if $@;
 			}