From fbdc5ddd2d702664242d432258af08ddc855cb75 Mon Sep 17 00:00:00 2001
From: zhanghua000 <zhanghua.00@qq.com>
Date: Sun, 13 Nov 2022 21:32:58 +0800
Subject: [PATCH] Add alarm/uefi-raspberrypi4

This is the UEFI firmware for Raspberry Pi 4 implemented by tianocore.

This allows raspbberrypi runs almost any OS with proper drivers, even Windows.

However, it has some limitations, devices such as V3D Core and GPIO are not
available currently, you can see its upstream for more info.

We have disabled the 3GB limit by default because our kernel linux-aarch64
is new enough(>=5.8). This will allow OS uses full RAM on the models
have RAM larger than 3GB.

Bump to 1.34

Stop copying kernel image

Bump to 1.35 and switch to gcc from clang

Reason: CLANG38 is missing after update, and build BaseTools with gcc is fixed by upstream.

Signed-off-by: zhanghua000 <zhanghua.00@qq.com>
---
 alarm/uefi-raspberrypi4/.gitignore            |   2 +
 .../70-post-install-uefi.hook                 |  12 ++
 .../uefi-raspberrypi4/80-pre-remove-uefi.hook |   9 ++
 alarm/uefi-raspberrypi4/PKGBUILD              | 143 ++++++++++++++++++
 alarm/uefi-raspberrypi4/post-install-uefi     |   4 +
 alarm/uefi-raspberrypi4/pre-remove-uefi       |   4 +
 6 files changed, 174 insertions(+)
 create mode 100644 alarm/uefi-raspberrypi4/.gitignore
 create mode 100644 alarm/uefi-raspberrypi4/70-post-install-uefi.hook
 create mode 100644 alarm/uefi-raspberrypi4/80-pre-remove-uefi.hook
 create mode 100644 alarm/uefi-raspberrypi4/PKGBUILD
 create mode 100644 alarm/uefi-raspberrypi4/post-install-uefi
 create mode 100644 alarm/uefi-raspberrypi4/pre-remove-uefi

diff --git a/alarm/uefi-raspberrypi4/.gitignore b/alarm/uefi-raspberrypi4/.gitignore
new file mode 100644
index 00000000000..2ba1b93288e
--- /dev/null
+++ b/alarm/uefi-raspberrypi4/.gitignore
@@ -0,0 +1,2 @@
+*.cer
+*.bin 
diff --git a/alarm/uefi-raspberrypi4/70-post-install-uefi.hook b/alarm/uefi-raspberrypi4/70-post-install-uefi.hook
new file mode 100644
index 00000000000..a478eb9ce6b
--- /dev/null
+++ b/alarm/uefi-raspberrypi4/70-post-install-uefi.hook
@@ -0,0 +1,12 @@
+[Trigger]
+Type = File
+Operation = Install
+Operation = Upgrade
+Target = boot/Image
+Target = boot/Image.gz
+Target = boot/RPI_EFI.fd
+
+[Action]
+Description = Copying kernel binaries...
+When = PostTransaction
+Exec = /usr/share/libalpm/scripts/post-install-uefi
diff --git a/alarm/uefi-raspberrypi4/80-pre-remove-uefi.hook b/alarm/uefi-raspberrypi4/80-pre-remove-uefi.hook
new file mode 100644
index 00000000000..6edd79144d9
--- /dev/null
+++ b/alarm/uefi-raspberrypi4/80-pre-remove-uefi.hook
@@ -0,0 +1,9 @@
+[Trigger]
+Type = File
+Operation = Remove
+Target = boot/RPI_EFI.fd
+
+[Action]
+Description = Removing copied files for UEFI...
+When = PreTransaction
+Exec = /usr/share/libalpm/scripts/pre-remove-uefi
diff --git a/alarm/uefi-raspberrypi4/PKGBUILD b/alarm/uefi-raspberrypi4/PKGBUILD
new file mode 100644
index 00000000000..c3063eb458a
--- /dev/null
+++ b/alarm/uefi-raspberrypi4/PKGBUILD
@@ -0,0 +1,143 @@
+# Maintainer: zhanghua <zhanghua.00@qq.com>
+
+buildarch=8 # aarch64
+
+pkgname="uefi-raspberrypi4" 
+pkgver=1.35.r0.g218b601
+pkgrel=2
+backup=("boot/config.txt")
+pkgdesc="UEFI firmware for RaspberryPi 4B"
+url="https://github.com/pftf/RPi4"
+arch=("aarch64")
+license=("custom:edk2" "custom:broadcom")
+makedepends=("git" "acpica" "openssl" "util-linux" "python")
+source=(
+    "git+https://github.com/pftf/RPi4"
+    # Submodules
+    "git+https://github.com/tianocore/edk2"
+    "git+https://github.com/tianocore/edk2-non-osi"
+    "git+https://github.com/tianocore/edk2-platforms"
+
+    "git+https://github.com/openssl/openssl"
+    "git+https://github.com/ucb-bar/berkeley-softfloat-3"
+    "cmocka::git+https://github.com/tianocore/edk2-cmocka"
+    "git+https://github.com/kkos/oniguruma"
+    "git+https://github.com/google/brotli"
+    "git+https://github.com/akheron/jansson"
+    "git+https://github.com/google/googletest"
+    "git+https://github.com/Zeex/subhook"
+    "libfdt::git+https://github.com/devicetree-org/pylibfdt"
+    "mipisyst::git+https://github.com/MIPI-Alliance/public-mipi-sys-t"
+
+    "git+https://github.com/google/wycheproof"
+    "boringssl::git+https://boringssl.googlesource.com/boringssl.git"
+    "git+https://github.com/krb5/krb5"
+    "pyca-cryptography::git+https://github.com/pyca/cryptography"
+
+    "git+https://github.com/riscv/opensbi"
+
+    "LICENCE.EDK2::https://raw.githubusercontent.com/tianocore/edk2/master/License.txt"
+    "LICENCE.broadcom::https://raw.githubusercontent.com/raspberrypi/firmware/master/boot/LICENCE.broadcom"
+    "ms_kek.cer::https://go.microsoft.com/fwlink/?LinkId=321185"
+    "ms_db1.cer::https://go.microsoft.com/fwlink/?linkid=321192"
+    "ms_db2.cer::https://go.microsoft.com/fwlink/?linkid=321194"
+    "arm64_dbx.bin::https://uefi.org/sites/default/files/resources/dbxupdate_arm64.bin"
+    "70-post-install-uefi.hook"
+    "80-pre-remove-uefi.hook"
+    "post-install-uefi"
+    "pre-remove-uefi"
+)
+sha256sums=('SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP'
+            '50ce20c9cfdb0e19ee34fe0a51fc0afe961f743697b068359ab2f862b494df80'
+            'c7283ff51f863d93a275c66e3b4cb08021a5dd4d8c1e7acc47d872fbe52d3d6b'
+            'a1117f516a32cefcba3f2d1ace10a87972fd6bbe8fe0d0b996e09e65d802a503'
+            'e8e95f0733a55e8bad7be0a1413ee23c51fcea64b3c8fa6a786935fddcc71961'
+            '48e99b991f57fc52f76149599bff0a58c47154229b9f8d603ac40d3500248507'
+            'f42c187f8b01b497f81fb0459164b27d16ca2af0b95c7331a82c1a27a731a885'
+            '8e55eb4afdd6b572d2413e87b64219d2f9d3bd033de2dfd37e176e92d25d5821'
+            'caa86b22a1452d8974e7bbecbb6d9fb591a58da928a06d5e13cee9592e785b12'
+            'aed9dfd4c1e7c6092179e8bec63be3fc7b5d958c94063d60a7d1fe4a36f460ef'
+            'e7db4c6150688a4aa6922435f531e5fa6e95d39380bb67ddb5a3554335eb419d')
+
+pkgver(){
+    cd ${srcdir}/RPi4
+    git describe --tags --long | sed "s/v//;s/-/.r/;s/-/./g"
+}
+prepare(){
+    target_dirs=(
+        "${srcdir}/RPi4"
+        "${srcdir}/RPi4/edk2"
+        "${srcdir}/RPi4/edk2/CryptoPkg/Library/OpensslLib/openssl"
+        "${srcdir}/RPi4/edk2-platforms"
+    )
+    for target_dir in "${target_dirs[@]}"
+    do
+        msg2 "Processing ${target_dir}..."
+        cd ${target_dir}
+        git submodule init
+        git config --file .gitmodules --get-regexp 'submodule.*.path' | while read -r submodule
+        do
+            module=$(echo "${submodule}" | cut -d " " -f 1)
+            path=$(echo "${submodule}" | cut -d " " -f 2)
+            name=$(basename "${path}")
+            msg2 "Modifying ${module} to use local path ${name}..."
+            git config "${module/%.path/.url}" "${srcdir}/${name}"
+        done
+        git -c protocol.file.allow=always submodule update
+    done
+    cd ${srcdir}/RPi4
+    mkdir -p keys
+    cp "${srcdir}"/{ms_kek.cer,ms_db1.cer,ms_db2.cer,arm64_dbx.bin} keys/
+    openssl req -new -x509 -newkey rsa:2048 -subj "/CN=Raspberry Pi Platform Key/" -keyout /dev/null -outform DER -out keys/pk.cer -days 7300 -nodes -sha256
+    echo \
+        "#!/usr/bin/env bash
+
+        export WORKSPACE=\$PWD
+        export PACKAGES_PATH=\$WORKSPACE/edk2:\$WORKSPACE/edk2-platforms:\$WORKSPACE/edk2-non-osi
+        export BUILD_FLAGS=\"-D SECURE_BOOT_ENABLE=TRUE -D INCLUDE_TFTP_COMMAND=TRUE -D NETWORK_ISCSI_ENABLE=TRUE -D SMC_PCI_SUPPORT=1\"
+        export DEFAULT_KEYS=\"-D DEFAULT_KEYS=TRUE -D PK_DEFAULT_FILE=\$WORKSPACE/keys/pk.cer -D KEK_DEFAULT_FILE1=\$WORKSPACE/keys/ms_kek.cer -D DB_DEFAULT_FILE1=\$WORKSPACE/keys/ms_db1.cer -D DB_DEFAULT_FILE2=\$WORKSPACE/keys/ms_db2.cer -D DBX_DEFAULT_FILE1=\$WORKSPACE/keys/arm64_dbx.bin\"
+        source edk2/edksetup.sh
+        build -a AARCH64 -t GCC -p edk2-platforms/Platform/RaspberryPi/RPi4/RPi4.dsc -b RELEASE -n \$(nproc) --pcd gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVendor=L\"https://github.com/pftf/RPi4\" --pcd gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVersionString=L\"UEFI Firmware ${pkgver}-${pkgrel}\" --pcd gRaspberryPiTokenSpaceGuid.PcdRamLimitTo3GB=0 \${BUILD_FLAGS} \${DEFAULT_KEYS}
+        " > build.sh
+    patch --binary -d edk2 -p1 -i ../0001-MdeModulePkg-UefiBootManagerLib-Signal-ReadyToBoot-o.patch
+    patch --binary -d edk2-platforms -p1 -i ../0002-Check-for-Boot-Discovery-Policy-change.patch
+}
+build(){
+    cd ${srcdir}/RPi4
+    MAKEFLAGS="" make -C edk2/BaseTools
+    bash build.sh
+}
+package(){
+    conflicts=("uboot-raspberrypi")
+    depends=("raspberrypi-overlays" "linux-aarch64>=5.8" "raspberrypi-bootloader")
+    optdepends=(
+        "firmware-raspberrypi: firmware for RaspberryPi 4B"
+        "linux-firmware: firmware for RaspberryPi 4B")
+
+    install -Dm644 "${srcdir}/RPi4/Build/RPi4/RELEASE_GCC/FV/RPI_EFI.fd" "${pkgdir}/boot/RPI_EFI.fd"
+    install -Dm644 "${srcdir}/RPi4/config.txt" "${pkgdir}/boot/config.txt"
+    install -Dm644 "${srcdir}/70-post-install-uefi.hook" "${pkgdir}/usr/share/libalpm/hooks/70-post-install-uefi.hook"
+    install -Dm644 "${srcdir}/80-pre-remove-uefi.hook" "${pkgdir}/usr/share/libalpm/hooks/80-pre-remove-uefi.hook"
+    install -Dm755 "${srcdir}/post-install-uefi" "${pkgdir}/usr/share/libalpm/scripts/post-install-uefi"
+    install -Dm755 "${srcdir}/pre-remove-uefi" "${pkgdir}/usr/share/libalpm/scripts/pre-remove-uefi"
+    install -Dm644 "${srcdir}/LICENCE.EDK2" "${pkgdir}/usr/share/licenses/${pkgname}/LICENCE.EDK2"
+    install -Dm644 "${srcdir}/LICENCE.broadcom" "${pkgdir}/usr/share/licenses/${pkgname}/LICENCE.broadcom"
+}
diff --git a/alarm/uefi-raspberrypi4/post-install-uefi b/alarm/uefi-raspberrypi4/post-install-uefi
new file mode 100644
index 00000000000..bf5c25184d1
--- /dev/null
+++ b/alarm/uefi-raspberrypi4/post-install-uefi
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash 
+
+echo "Copying device tree from kernel..."
+cp /boot/dtbs/broadcom/bcm2711-rpi-4-b.dtb /boot/bcm2711-rpi-4-b.dtb
diff --git a/alarm/uefi-raspberrypi4/pre-remove-uefi b/alarm/uefi-raspberrypi4/pre-remove-uefi
new file mode 100644
index 00000000000..3ea0bc2da0d
--- /dev/null
+++ b/alarm/uefi-raspberrypi4/pre-remove-uefi
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+echo "Removing /boot/bcm2711-rpi-4-b"
+rm -f /boot/bcm2711-rpi-4-b.dtb