From 0e2e729e5fdbec516887c7badf7271ffb04a7f30 Mon Sep 17 00:00:00 2001
From: Savva Mitrofanov <savvamtr@gmail.com>
Date: Fri, 6 Jan 2023 11:19:24 +0600
Subject: [PATCH 1/2] Utilities: Adds Linux support into LegacyBoot boot
 install script

---
 Utilities/LegacyBoot/BootInstallBase.sh | 145 ++++++++++++++++++------
 1 file changed, 108 insertions(+), 37 deletions(-)

diff --git a/Utilities/LegacyBoot/BootInstallBase.sh b/Utilities/LegacyBoot/BootInstallBase.sh
index 7a5131fa6ba..31f9243495c 100755
--- a/Utilities/LegacyBoot/BootInstallBase.sh
+++ b/Utilities/LegacyBoot/BootInstallBase.sh
@@ -10,51 +10,122 @@ if [ ! -f "boot${ARCHS}" ] || [ ! -f boot0 ] || [ ! -f boot1f32 ]; then
   exit 1
 fi
 
-diskutil list
-echo "Disable SIP in the case of any problems with installation!!!"
-echo "Enter disk number to install to:"
-read -r N
-
-if ! diskutil info disk"${N}" |  grep -q "/dev/disk"
-then
-  echo Disk "$N" not found
-  exit 1
-fi
+if [ "$(uname)" = "Linux" ]; then
+  if [ "$EUID" -ne 0 ]
+    then echo "Please run this script as root"
+    exit
+  fi
+  if [ "$(which lsblk)" = "" ]; then
+    echo "lsblk tool is missing! Try installing util-linux package"
+    exit 1
+  fi
+  if [ "$(which fdisk)" = "" ]; then
+    echo "fdisk tool is missing!"
+    exit 1
+  fi
 
-if ! diskutil info disk"${N}"s1 | grep -q -e FAT_32 -e EFI
-then
-echo "No FAT32 partition to install"
-exit 1
-fi
+  rm -f newbs origbs
+
+  echo "Select the disk where you want to install boot files:"
+  lsblk -d | tail -n+2 | cut -d" " -f1
+  echo "Example: sda"
+  read -r DRIVE
+
+  DRIVE="/dev/${DRIVE}"
+
+  if ! lsblk "$DRIVE"; then
+    echo Disk "${DRIVE}" not found
+    exit 1
+  fi
+
+  echo "Choose EFI partition on selected disk:"
+  lsblk -f "${DRIVE}"
+  echo "Example: sda1"
+  read -r EFI_PART
+
+  EFI_PART="/dev/${EFI_PART}"
+
+  if ! lsblk -f "$EFI_PART" | grep -q -e FAT32 -e vfat; then
+    echo "No FAT32 partition to install"
+    exit 1
+  fi
+
+  # Write MBR
+  dd if=boot0 of="$DRIVE" bs=1 count=446 conv=notrunc || exit 1
+
+  umount "${EFI_PART}"
+
+  dd if="${EFI_PART}" count=1 of=origbs
+  cp -v boot1f32 newbs
+  dd if=origbs of=newbs skip=3 seek=3 bs=1 count=87 conv=notrunc
+  dd if=/dev/random of=newbs skip=496 seek=496 bs=1 count=14 conv=notrunc
+  dd if=newbs of="${EFI_PART}"
 
-# Write MBR
-sudo fdisk -uy -f boot0 /dev/rdisk"${N}" || exit 1
-
-diskutil umount disk"${N}"s1
-sudo dd if=/dev/rdisk"${N}"s1 count=1  of=origbs
-cp -v boot1f32 newbs
-sudo dd if=origbs of=newbs skip=3 seek=3 bs=1 count=87 conv=notrunc
-dd if=/dev/random of=newbs skip=496 seek=496 bs=1 count=14 conv=notrunc
-sudo dd if=newbs of=/dev/rdisk"${N}"s1
-#if [[ "$(sudo diskutil mount disk"${N}"s1)" == *"mounted" ]]
-if sudo diskutil mount disk"${N}"s1 | grep -q mounted
-then
-cp -v "boot${ARCHS}" "$(diskutil info  disk"${N}"s1 |  sed -n 's/.*Mount Point: *//p')/boot"
+  p=/tmp/$(uuidgen)/EFI
+  mkdir -p "${p}" || exit 1
+  mount -t vfat "${EFI_PART}" "${p}" -o rw,noatime,uid="$(id -u)",gid="$(id -g)" || exit 1
+
+  cp -v "boot${ARCHS}" "${p}/boot" || exit 1
+
+  echo Check "${p}" boot drive EFI folder to install OpenCorePkg
+
+  DISK_SCHEME=$(fdisk -l "${DRIVE}" | sed -n 's/.*Disklabel type: *//p')
+  if [ "$DISK_SCHEME" != "gpt" ]; then
+    BOOT_FLAG=$(dd if="$DRIVE" bs=1 count=1 status=none skip=$((0x1BE)) | od -t x1 -A n | tr -d ' ')
+    if [ "$BOOT_FLAG" != "80" ]; then
+      fdisk "$DRIVE" <<END
+p
+a
+1
+w
+END
+    fi
+  fi
 else
-p=/tmp/$(uuidgen)/EFI
-mkdir -p "${p}" || exit 1
-sudo mount_msdos /dev/disk"${N}"s1 "${p}" || exit 1
-cp -v "boot${ARCHS}" "${p}/boot" || exit 1
-open "${p}"
-fi
+  rm -f newbs origbs
+
+  diskutil list
+  echo "Disable SIP in the case of any problems with installation!!!"
+  echo "Enter disk number to install to:"
+  read -r N
+
+  if ! diskutil info disk"${N}" |  grep -q "/dev/disk"; then
+    echo Disk "$N" not found
+    exit 1
+  fi
+
+  if ! diskutil info disk"${N}"s1 | grep -q -e FAT_32 -e EFI; then
+    echo "No FAT32 partition to install"
+    exit 1
+  fi
+
+  # Write MBR
+  sudo fdisk -uy -f boot0 /dev/rdisk"${N}" || exit 1
+
+  diskutil umount disk"${N}"s1
+  sudo dd if=/dev/rdisk"${N}"s1 count=1  of=origbs
+  cp -v boot1f32 newbs
+  sudo dd if=origbs of=newbs skip=3 seek=3 bs=1 count=87 conv=notrunc
+  dd if=/dev/random of=newbs skip=496 seek=496 bs=1 count=14 conv=notrunc
+  sudo dd if=newbs of=/dev/rdisk"${N}"s1
+  #if [[ "$(sudo diskutil mount disk"${N}"s1)" == *"mounted" ]]
+  if sudo diskutil mount disk"${N}"s1 | grep -q mounted; then
+    cp -v "boot${ARCHS}" "$(diskutil info  disk"${N}"s1 |  sed -n 's/.*Mount Point: *//p')/boot"
+  else
+    p=/tmp/$(uuidgen)/EFI
+    mkdir -p "${p}" || exit 1
+    sudo mount_msdos /dev/disk"${N}"s1 "${p}" || exit 1
+    cp -v "boot${ARCHS}" "${p}/boot" || exit 1
+    open "${p}"
+  fi
 
-if diskutil info  disk"${N}" |  grep -q FDisk_partition_scheme
-then
-sudo fdisk -e /dev/rdisk"$N" <<-MAKEACTIVE
+  if diskutil info  disk"${N}" |  grep -q FDisk_partition_scheme; then
+    sudo fdisk -e /dev/rdisk"$N" <<-MAKEACTIVE
 p
 f 1
 w
 y
 q
 MAKEACTIVE
+  fi
 fi

From 573c2d590aa0fd9d02bd0be4d7188a8b14bbd927 Mon Sep 17 00:00:00 2001
From: Savva Mitrofanov <savvamtr@gmail.com>
Date: Fri, 6 Jan 2023 17:11:17 +0600
Subject: [PATCH 2/2] Docs: Sync changelog

---
 Changelog.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Changelog.md b/Changelog.md
index 87ed615f64f..874c9d44d6c 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -3,6 +3,7 @@ OpenCore Changelog
 #### v0.8.9
 - Improved debug logging when applying ACPI patches
 - Fixed loading macOS with legacy boot without Apple Secure Boot
+- Added Linux support to legacy boot BootInstall script
 
 #### v0.8.8
 - Updated underlying EDK II package to edk2-stable202211