UEFI application image using objcopy

make-img.sh

#!/bin/bash

dd if=/dev/zero of=uefi.img bs=512 count=93750

parted uefi.img -s -a minimal mklabel gpt
parted uefi.img -s -a minimal mkpart EFI FAT16 2048s 93716s
parted uefi.img -s -a minimal toggle 1 boot

dd if=/dev/zero of=/tmp/part.img bs=512 count=91669
mformat -i /tmp/part.img -h 32 -t 32 -n 64 -c 1

mmd -i /tmp/part.img ::/EFI
mmd -i /tmp/part.img ::/EFI/BOOT

# NOTE: Replace the following path!
mcopy -i /tmp/part.img /home/amaan/code/uefi/gnu-efi-3.0.8/x86_64/apps/BOOTX64.EFI ::/EFI/BOOT

dd if=/tmp/part.img of=uefi.img bs=512 count=91669 seek=2048 conv=notrunc

rtems-binutils-objcopy-pei-target.patch

diff --git a/bfd/config.bfd b/bfd/config.bfd
index bbd4194153..8d0d4cb680 100644
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -664,6 +664,10 @@ case "${targ}" in
   x86_64-*-elf* | x86_64-*-rtems* | x86_64-*-fuchsia)
     targ_defvec=x86_64_elf64_vec
     targ_selvecs="i386_elf32_vec iamcu_elf32_vec x86_64_elf32_vec l1om_elf64_vec k1om_elf64_vec"
+    case "${targ}" in
+      x86_64-*-rtems*)
+    targ_selvecs="${targ_selvecs} x86_64_pei_vec"
+    esac
     want64=true
     ;;
   x86_64-*-dragonfly*)