add rpi4

.github/workflows/build-arm64.yml

@@ -8,7 +8,7 @@ jobs:
   build:
     strategy:
       matrix:
-        variant: ["mt8192", "mt8183", "sc7180", "rpi5"]
+        variant: ["mt8192", "mt8183", "sc7180", "rpi5", "rpi4"]
     runs-on: x86-64-lg
     container:
       image: registry.fedoraproject.org/fedora-minimal:40

rpi4/Makefile

@@ -0,0 +1,27 @@
+REF=$(shell cat ref)
+
+ifeq ($(shell uname -m), x86_64)
+        CROSS=aarch64-linux-gnu-
+endif
+
+setup:
+	rm -rf ../linux/*.patch
+	cp *.patch ../linux
+	cd ../linux; \
+	git remote remove raspberrypi; \
+	git remote add raspberrypi https://github.com/raspberrypi/linux.git; \
+	git checkout master; \
+	git branch -D $(REF); \
+	git fetch -f raspberrypi refs/heads/$(REF):refs/heads/$(REF); \
+	git reset --hard raspberrypi/$(REF); \
+	git clean -df; \
+	for patch in $$(ls *.patch); do patch -p1 < "$$patch"; done; \
+  git -c commit.gpgsign=false commit -a -m 'removing -dirty suffix after patches'; \
+	make ARCH=arm64 bcm2711_defconfig
+
+compile:
+	ARCH=arm64 CROSS_COMPILE=$(CROSS) make -C ../linux olddefconfig rpm-pkg -j$(shell nproc)
+	cp -r ../linux/rpmbuild .
+	rm -rf ../linux/rpmbuild
+
+build: setup compile

rpi4/ref

@@ -0,0 +1 @@
+rpi-6.6.y

rpi4/scripts-package-kernel-spec-install-dtbs-and-installkernel-fix.patch

@@ -0,0 +1,25 @@
+diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
+index 3eee0143e0c5..a11b779a4033 100644
+--- a/scripts/package/kernel.spec
++++ b/scripts/package/kernel.spec
+@@ -65,6 +65,7 @@ cp $(%{make} %{makeflags} -s image_name) %{buildroot}/boot/vmlinuz-%{KERNELRELEA
+ %endif
+ %{make} %{makeflags} INSTALL_MOD_PATH=%{buildroot} modules_install
+ %{make} %{makeflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
++%{make} %{makeflags} INSTALL_DTBS_PATH=%{buildroot}/boot/dtb-%{KERNELRELEASE} dtbs_install
+ cp System.map %{buildroot}/boot/System.map-%{KERNELRELEASE}
+ cp .config %{buildroot}/boot/config-%{KERNELRELEASE}
+ ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEASE}/build
+@@ -77,11 +78,7 @@ rm -rf %{buildroot}
+
+ %post
+ if [ -x /sbin/installkernel -a -r /boot/vmlinuz-%{KERNELRELEASE} -a -r /boot/System.map-%{KERNELRELEASE} ]; then
+-cp /boot/vmlinuz-%{KERNELRELEASE} /boot/.vmlinuz-%{KERNELRELEASE}-rpm
+-cp /boot/System.map-%{KERNELRELEASE} /boot/.System.map-%{KERNELRELEASE}-rpm
+-rm -f /boot/vmlinuz-%{KERNELRELEASE} /boot/System.map-%{KERNELRELEASE}
+-/sbin/installkernel %{KERNELRELEASE} /boot/.vmlinuz-%{KERNELRELEASE}-rpm /boot/.System.map-%{KERNELRELEASE}-rpm
+-rm -f /boot/.vmlinuz-%{KERNELRELEASE}-rpm /boot/.System.map-%{KERNELRELEASE}-rpm
++/sbin/installkernel %{KERNELRELEASE} /boot/vmlinuz-%{KERNELRELEASE} /boot/System.map-%{KERNELRELEASE}
+ fi
+
+ %preun

rpi4/scripts-package-kernel-spec-rename-package.patch

@@ -0,0 +1,22 @@
+diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
+index 3eee0143e0c5..ddc52d125f7c 100644
+--- a/scripts/package/kernel.spec
++++ b/scripts/package/kernel.spec
+@@ -5,7 +5,7 @@
+ %define __spec_install_post /usr/lib/rpm/brp-compress || :
+ %define debug_package %{nil}
+
+-Name: kernel
++Name: kernel-rpi4
+ Summary: The Linux Kernel
+ Version: %(echo %{KERNELRELEASE} | sed -e 's/-/_/g')
+ Release: %{pkg_release}
+@@ -41,7 +41,7 @@ glibc package.
+ Summary: Development package for building kernel modules to match the %{version} kernel
+ Group: System Environment/Kernel
+ AutoReqProv: no
+-%description -n kernel-devel
++%description -n kernel-rpi4-devel
+ This package provides kernel headers and makefiles sufficient to build modules
+ against the %{version} kernel package.
+ %endif