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kernel.spec
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kernel.spec
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# We have to override the new %%install behavior because, well... the kernel is special.
%global __spec_install_pre %{___build_pre}
# For Fedora >=33 to disable LTO optimization of perf tools
%define _lto_cflags %{nil}
# What parts do we want to build? We must build at least one kernel.
# These are the kernels that are built IF the architecture allows it.
# All should default to 1 (enabled) and be flipped to 0 (disabled)
# by later arch-specific checks.
# The following build options are enabled by default.
# Use either --without <opt> in your rpmbuild command or force values
# to 0 in here to disable them.
#
# kernel-headers
%define with_headers %{?_without_headers: 0} %{?!_without_headers: 1}
# perf
%define with_perf %{?_without_perf: 1} %{?!_without_perf: 0}
# tools
%define with_tools %{?_without_tools: 1} %{?!_without_tools: 0}
# kernel-debuginfo
%define with_debuginfo %{?_without_debuginfo: 1} %{?!_without_debuginfo: 0}
#
# Additional options for user-friendly one-off kernel building:
#
# Only build the base kernel (--with baseonly):
%define with_baseonly %{?_with_baseonly: 1} %{?!_with_baseonly: 0}
#
# Cross compile requested?
%define with_cross %{?_with_cross: 1} %{?!_with_cross: 0}
#
# build a release kernel on rawhide
%define with_release %{?_with_release: 1} %{?!_with_release: 0}
# Want to build a vanilla kernel build without any non-upstream patches?
%define with_vanilla %{?_with_vanilla: 1} %{?!_with_vanilla: 0}
# Build the RPi bcm270x linux kernel port
%define with_bcm270x %{?_without_bcm270x: 0} %{?!_without_bcm270x: 1}
# By default build without rt-preempt version
%define with_rt_preempt %{?_with_rt_preempt: 1} %{?!_with_rt_preempt: 0}
# Enable Large Physical Address Extension support
%define with_lpae %{?_with_lpae: 1} %{?!_with_lpae: 0}
# Build a bcm2711 (RPi4) kernel
%define with_rpi4 %{?_with_rpi4: 1} %{?!_with_rpi4: 0}
# For a stable, released kernel, released_kernel should be 1. For rawhide
# and/or a kernel built from an rc or git snapshot, released_kernel should
# be 0.
%global released_kernel 1
# baserelease defines which build revision of this kernel version we're
# building. Use: rpmdev-bumpspec -c 'comment for changelog'
# When changing base_sublevel below or going from rc to a final kernel,
# reset this by hand to 1 (or to 0 and then use rpmdev-bumpspec).
# scripts/rebase.sh should be made to do that for you, actually.
#
# NOTE: baserelease must be > 0 or bad things will happen if you switch
# to a released kernel (released version will be < rc version)
#
# For non-released -rc kernels, this will be appended after the rcX and
# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
#
%global baserelease 1
# RaspberryPi foundation git snapshot (short)
%global rpi_gitshort 75ab92b07
%global build_release %{baserelease}
%global zipmodules 1
# Enable rt preempt build support
# Only enable with a useable upstream patch
%global enable_preempt 0
%if %{enable_preempt}
# Real-Time kernel defines
%global rtgitsnap a4b8f1f27
%global rtrelease 29
%if %{with_rt_preempt}
%global build_release %{baserelease}.rt%{rtrelease}
%endif
%endif
%if %{with_lpae}
%global variant -lpae
%global build_release %{baserelease}.lpae
%global with_tools 0
%global with_perf 0
%endif
%if %{with_rpi4}
%global variant -rpi4
%global with_tools 0
%global with_perf 0
%global with_lpae 0
%endif
# base_sublevel is the kernel version we're starting with and patching
# on top of -- for example, 3.1-rc7-git1 starts with a 3.0 base,
# which yields a base_sublevel of 0.
%define base_sublevel 6
## If this is a released kernel ##
%if 0%{?released_kernel}
# Do we have a -stable update to apply?
%define stable_update 62
# Set rpm version accordingly
%if 0%{?stable_update}
%define stablerev %{stable_update}
%define stable_base %{stable_update}
%endif
%define pkg_version 6.%{base_sublevel}.%{stable_update}
## The not-released-kernel case ##
%else
# The next upstream release sublevel (base_sublevel+1)
%define upstream_sublevel %(echo $((%{base_sublevel} + 1)))
# The rc snapshot level
%define rcrev 0
# The git snapshot level
%define gitrev 0
# Set rpm version accordingly
%define pkg_version 6.%{upstream_sublevel}.0
%endif
# Nb: The above rcrev and gitrev values automagically define Source1 and Source2 below.
%if 0%{!?nopatches:1}
%define nopatches 0
%endif
%if %{with_vanilla}
%define nopatches 1
%endif
%if %{nopatches}
%define variant -vanilla
%endif
%if !%{with_debuginfo}
%define _enable_debug_packages 0
%endif
%define debuginfodir /usr/lib/debug
# Needed because we override almost everything involving build-ids
# and debuginfo generation. Currently we rely on the old alldebug setting.
%global _build_id_links alldebug
%if %{with_bcm270x}
%define bcm270x 1
%if %{with_rpi4}
%define Flavour rpi4
%else
%define Flavour rpi
%endif
%define buildid .%{Flavour}
%else
%define bcm270x 0
%endif
# pkg_release is what we'll fill in for the rpm Release: field
%define pkg_release %{build_release}%{?buildid}%{?dist}
%if %{zipmodules}
%global zipsed -e 's/\.ko$/\.ko.xz/'
%endif
# The kernel tarball/base version
%define kversion 6.%{base_sublevel}
# Default kernel image name (compressed)
%define install_name vmlinuz
%ifarch armv7hl
%define make_target bzImage
%define kernel_image arch/arm/boot/zImage
%define asmarch arm
%define hdrarch arm
%endif
%ifarch aarch64
%define make_target Image
%define kernel_image arch/arm64/boot/Image
%define install_name vmlinux
%define asmarch arm64
%define hdrarch arm64
%endif
%define KVERREL %{version}-%{release}.%{_target_cpu}
%define image_install_path boot
# http://lists.infradead.org/pipermail/linux-arm-kernel/2012-March/091404.html
%define kernel_mflags KALLSYMS_EXTRA_PASS=1
# Overrides for generic default options
# don't build noarch kernels or headers (duh)
%ifarch noarch
%define with_headers 0
%define with_tools 0
%define with_perf 0
%endif
# Should make listnewconfig fail if there's config options
# printed out?
%if %{nopatches}
%define listnewconfig_fail 0
%else
%define listnewconfig_fail 1
%endif
#
# Packages that need to be installed before the kernel is, because the %%post
# scripts use them.
#
%define kernel_prereq coreutils, systemd, grubby
%define initrd_prereq dracut
Name: kernel%{?variant}
License: GPLv2 and Redistributable, no modification permitted
%if !%{bcm270x}
Summary: The Linux kernel for the Raspberry Pi (BCM283x)
URL: http://www.kernel.org
%else
%if "%{_target_cpu}" != "armv6hl"
%if %{with_rpi4}
Summary: The BCM2711 Linux kernel port for the Raspberry Pi 4 Model B
%else
Summary: The BCM2709 Linux kernel port for the Raspberry Pi 2 and 3 Model B
%endif
%else
Summary: The BCM2708 Linux kernel port for the Raspberry Pi Model A, B and Zero
%endif
URL: https://github.com/raspberrypi/linux
%endif
Version: %{pkg_version}
Release: %{pkg_release}
ExclusiveArch: %{arm} aarch64
Requires: kernel-core-uname-r = %{KVERREL}
Requires: kernel-modules-uname-r = %{KVERREL}
BuildRequires: bash
BuildRequires: bc
BuildRequires: binutils
BuildRequires: bison
BuildRequires: bzip2
BuildRequires: diffutils
BuildRequires: elfutils-libelf-devel
BuildRequires: findutils
BuildRequires: flex
BuildRequires: gawk
BuildRequires: gcc
BuildRequires: gzip
BuildRequires: hmaccalc
BuildRequires: hostname
BuildRequires: kmod
BuildRequires: m4
BuildRequires: make
BuildRequires: net-tools
BuildRequires: openssl-devel
%if 0%{?fedora} >= 41
BuildRequires: openssl-devel-engine
%endif
BuildRequires: patch
BuildRequires: perl-interpreter
BuildRequires: perl-Carp
BuildRequires: perl-devel
BuildRequires: perl-generators
BuildRequires: python3-devel
BuildRequires: redhat-rpm-config
BuildRequires: tar
BuildRequires: xz
%if %{with_headers}
BuildRequires: rsync
%endif
%if %{with_perf}
BuildRequires: elfutils-devel
BuildRequires: zlib-devel
BuildRequires: binutils-devel
BuildRequires: newt-devel
BuildRequires: perl(ExtUtils::Embed)
BuildRequires: audit-libs-devel
BuildRequires: xmlto
%endif
%if %{with_tools}
BuildRequires: pciutils-devel
BuildRequires: gettext
BuildRequires: ncurses-devel
BuildRequires: asciidoc
%endif
%if %{with_debuginfo}
BuildRequires: rpm-build, elfutils
BuildConflicts: rpm < 4.13.0.1-19
# Most of these should be enabled after more investigation
%undefine _include_minidebuginfo
%undefine _find_debuginfo_dwz_opts
%undefine _unique_build_ids
%undefine _unique_debug_names
%undefine _unique_debug_srcs
%undefine _debugsource_packages
%undefine _debuginfo_subpackages
%undefine _include_gdb_index
%global _find_debuginfo_opts -r
%global _missing_build_ids_terminate_build 1
%global _no_recompute_build_ids 1
%endif
%if %{with_cross}
BuildRequires: binutils-%{_build_arch}-linux-gnu
BuildRequires: gcc-%{_build_arch}-linux-gnu
%define cross_opts CROSS_COMPILE=%{_build_arch}-linux-gnu-
%endif
Source0: https://www.kernel.org/pub/linux/kernel/v6.x/linux-%{kversion}.tar.xz
Source16: mod-extra.list
Source17: mod-extra.sh
Source99: filter-modules.sh
# kernel config modifications
Source1000: config-bcm27xx.cfg
Source1100: config-bcm283x.cfg
Source1200: config-lpae.cfg
# rt kernel patch
%if %{enable_preempt}
Source1500: linux-rpi-6.%{base_sublevel}.y-rt%{rtrelease}-%{rtgitsnap}.patch.xz
%endif
# rt kernel config modification
Source1501: config-rt.cfg
# Sources for kernel-tools
Source2000: cpupower.service
Source2001: cpupower.config
# For a stable release kernel
%if 0%{?stable_update}
%if 0%{?stable_base}
Source1: https://www.kernel.org/pub/linux/kernel/v6.x/patch-6.%{base_sublevel}.%{stable_base}.xz
%endif
# non-released_kernel case
# These are automagically defined by the rcrev and gitrev values set up
# near the top of this spec file.
%else
%if 0%{?rcrev}
Source1: https://www.kernel.org/pub/linux/kernel/v6.x/patch-6.%{upstream_sublevel}-rc%{rcrev}.xz
%if 0%{?gitrev}
Source2: https://www.kernel.org/pub/linux/kernel/v6.x/patch-6.%{upstream_sublevel}-rc%{rcrev}-git%{gitrev}.xz
%endif
%else
# pre-{base_sublevel+1}-rc1 case
%if 0%{?gitrev}
Source1: https://www.kernel.org/pub/linux/kernel/v6.x/patch-6.%{base_sublevel}-git%{gitrev}.xz
%endif
%endif
%endif
%if !%{nopatches}
## Patches for bcm270x builds (append patches with bcm270x)
#RasperryPi patch
Patch100: bcm270x-linux-rpi-6.%{base_sublevel}.y-%{rpi_gitshort}.patch.xz
## Patches for both builds (bcm270x & bcm283x)
Patch140: 0001-Revert-Use-kernel-command-line-to-disable-memory-cgr.patch
# Custom bootup logo
Patch200: bootup-logo.patch
# END OF PATCH DEFINITIONS
%endif
BuildRoot: %{_tmppath}/kernel-%{KVERREL}-root
%description
The kernel meta package
#
# This macro does requires, provides, conflicts, obsoletes for a kernel package.
# %%kernel_reqprovconf <subpackage>
# It uses any kernel_<subpackage>_conflicts and kernel_<subpackage>_obsoletes
# macros defined above.
#
%define kernel_reqprovconf \
Provides: kernel = %{pkg_version}-%{pkg_release}\
Provides: kernel-%{_target_cpu} = %{pkg_version}-%{pkg_release}%{?1:+%{1}}\
Provides: kernel-drm-nouveau = 16\
Provides: kernel-uname-r = %{KVERREL}%{?1:+%{1}}\
Requires(pre): %{kernel_prereq}\
Requires(pre): %{initrd_prereq}\
Suggests: linux-firmware\
Requires(pre): bcm283x-firmware\
Requires(preun): systemd\
Conflicts: xorg-x11-drv-vmmouse\
%{expand:%%{?kernel%{?1:_%{1}}_conflicts:Conflicts: %%{kernel%{?1:_%{1}}_conflicts}}}\
%{expand:%%{?kernel%{?1:_%{1}}_obsoletes:Obsoletes: %%{kernel%{?1:_%{1}}_obsoletes}}}\
%{expand:%%{?kernel%{?1:_%{1}}_provides:Provides: %%{kernel%{?1:_%{1}}_provides}}}\
# We can't let RPM do the dependencies automatic because it'll then pick up\
# a correct but undesirable perl dependency from the module headers which\
# isn't required for the kernel proper to function\
AutoReq: no\
AutoProv: yes\
%{nil}
%package headers
Summary: Header files for the Linux kernel for use by glibc
Obsoletes: glibc-kernheaders < 3.0-46
Provides: glibc-kernheaders = 3.0-46
%if "0%{?variant}"
Obsoletes: kernel-headers < %{pkg_version}-%{pkg_release}
Provides: kernel-headers = %{pkg_version}-%{pkg_release}
%endif
%description headers
Kernel-headers includes the C header files that specify the interface
between the Linux kernel and userspace libraries and programs. The
header files define structures and constants that are needed for
building most standard programs and are also needed for rebuilding the
glibc package.
%package debuginfo-common-%{_target_cpu}
Summary: Kernel source files used by %{name}-debuginfo packages
%description debuginfo-common-%{_target_cpu}
This package is required by %{name}-debuginfo subpackages.
It provides the kernel source files common to all builds.
%if %{with_perf}
%package -n perf
Summary: Performance monitoring for the Linux kernel
License: GPLv2
%description -n perf
This package contains the perf tool, which enables performance monitoring
of the Linux kernel.
%package -n perf-debuginfo
Summary: Debug information for package perf
Requires: %{name}-debuginfo-common-%{_target_cpu} = %{version}-%{release}
AutoReqProv: no
%description -n perf-debuginfo
This package provides debug information for the perf package.
# Note that this pattern only works right to match the .build-id
# symlinks because of the trailing nonmatching alternation and
# the leading .*, because of find-debuginfo.sh's buggy handling
# of matching the pattern against the symlinks file.
%{expand:%%global _find_debuginfo_opts %{?_find_debuginfo_opts} -p '.*%%{_bindir}/perf(\.debug)?|.*%%{_libexecdir}/perf-core/.*|.*%%{_libdir}/traceevent/plugins/.*|XXX' -o perf-debuginfo.list}
%package -n python3-perf
Summary: Python bindings for apps which will manipulate perf events
%description -n python3-perf
The python3-perf package contains a module that permits applications
written in the Python programming language to use the interface
to manipulate perf events.
# the python_sitearch macro should already be defined from above
%{expand:%%global _find_debuginfo_opts %{?_find_debuginfo_opts} -p '.*%%{python3_sitearch}/perf.so(\.debug)?|XXX' -o python3-perf-debuginfo.list}
%endif
%if %{with_tools}
%package -n kernel-tools
Summary: Assortment of tools for the Linux kernel
License: GPLv2
Provides: cpupowerutils = 1:009-0.6.p1
Obsoletes: cpupowerutils < 1:009-0.6.p1
Provides: cpufreq-utils = 1:009-0.6.p1
Provides: cpufrequtils = 1:009-0.6.p1
Obsoletes: cpufreq-utils < 1:009-0.6.p1
Obsoletes: cpufrequtils < 1:009-0.6.p1
Obsoletes: cpuspeed < 1:1.5-16
Requires: kernel-tools-libs = %{version}-%{release}
%description -n kernel-tools
This package contains the tools/ directory from the kernel source
and the supporting documentation.
%package -n kernel-tools-libs
Summary: Libraries for the kernels-tools
License: GPLv2
%description -n kernel-tools-libs
This package contains the libraries built from the tools/ directory
from the kernel source.
%package -n kernel-tools-libs-devel
Summary: Assortment of tools for the Linux kernel
License: GPLv2
Requires: kernel-tools = %{version}-%{release}
Provides: cpupowerutils-devel = 1:009-0.6.p1
Obsoletes: cpupowerutils-devel < 1:009-0.6.p1
Requires: kernel-tools-libs = %{version}-%{release}
Provides: kernel-tools-devel
%description -n kernel-tools-libs-devel
This package contains the development files for the tools/ directory from
the kernel source.
%package -n kernel-tools-debuginfo
Summary: Debug information for package kernel-tools
Requires: %{name}-debuginfo-common-%{_target_cpu} = %{version}-%{release}
AutoReqProv: no
%description -n kernel-tools-debuginfo
This package provides debug information for package kernel-tools.
# Note that this pattern only works right to match the .build-id
# symlinks because of the trailing nonmatching alternation and
# the leading .*, because of find-debuginfo.sh's buggy handling
# of matching the pattern against the symlinks file.
%{expand:%%global _find_debuginfo_opts %{?_find_debuginfo_opts} -p '.*%%{_bindir}/cpupower(\.debug)?|.*%%{_libdir}/libcpupower.*|.*%%{_bindir}/turbostat(\.debug)?|.*%%{_bindir}/tmon(\.debug)?|.*%%{_bindir}/lsgpio(\.debug)?|.*%%{_bindir}/gpio-hammer(\.debug)?|.*%%{_bindir}/gpio-event-mon(\.debug)?|.*%%{_bindir}/iio_event_monitor(\.debug)?|.*%%{_bindir}/iio_generic_buffer(\.debug)?|.*%%{_bindir}/lsiio(\.debug)?|XXX' -o kernel-tools-debuginfo.list}
%endif
#
# This macro creates a kernel-<subpackage>-debuginfo package.
# %%kernel_debuginfo_package <subpackage>
#
%define kernel_debuginfo_package() \
%package %{?1:%{1}-}debuginfo\
Summary: Debug information for package %{name}%{?1:-%{1}}\
Requires: %{name}-debuginfo-common-%{_target_cpu} = %{version}-%{release}\
Provides: %{name}%{?1:-%{1}}-debuginfo-%{_target_cpu} = %{version}-%{release}\
AutoReqProv: no\
%description %{?1:%{1}-}debuginfo\
This package provides debug information for package %{name}%{?1:-%{1}}.\
This is required to use SystemTap with %{name}%{?1:-%{1}}-%{KVERREL}.\
%{expand:%%global _find_debuginfo_opts %{?_find_debuginfo_opts} -p '/.*/%%{KVERREL}%{?1:[+]%{1}}/.*|/.*%%{KVERREL}%{?1:\+%{1}}(\.debug)?' -o debuginfo%{?1}.list}\
%{nil}
#
# This macro creates a kernel-<subpackage>-devel package.
# %%kernel_devel_package <subpackage> <pretty-name>
#
%define kernel_devel_package() \
%package %{?1:%{1}-}devel\
Summary: Development package for building kernel modules to match the %{?2:%{2} }kernel\
Provides: kernel%{?1:-%{1}}-devel-%{_target_cpu} = %{version}-%{release}\
Provides: kernel-devel-%{_target_cpu} = %{version}-%{release}%{?1:+%{1}}\
Provides: kernel-devel = %{version}-%{release}%{?1:+%{1}}\
Provides: kernel-devel-uname-r = %{KVERREL}%{?1:+%{1}}\
Provides: installonlypkg(kernel)\
AutoReqProv: no\
Requires(pre): /usr/bin/find\
Requires: perl\
%description %{?1:%{1}-}devel\
This package provides kernel headers and makefiles sufficient to build modules\
against the %{?2:%{2} }kernel package.\
%{nil}
#
# This macro creates a kernel-<subpackage>-modules-extra package.
# %%kernel_modules_extra_package <subpackage> <pretty-name>
#
%define kernel_modules_extra_package() \
%package %{?1:%{1}-}modules-extra\
Summary: Extra kernel modules to match the %{?2:%{2} }kernel\
Provides: kernel%{?1:-%{1}}-modules-extra-%{_target_cpu} = %{version}-%{release}\
Provides: kernel%{?1:-%{1}}-modules-extra-%{_target_cpu} = %{version}-%{release}%{?1:+%{1}}\
Provides: kernel%{?1:-%{1}}-modules-extra = %{version}-%{release}%{?1:+%{1}}\
Provides: installonlypkg(kernel-module)\
Provides: kernel%{?1:-%{1}}-modules-extra-uname-r = %{KVERREL}%{?1:+%{1}}\
Requires: kernel-uname-r = %{KVERREL}%{?1:+%{1}}\
Requires: kernel%{?1:-%{1}}-modules-uname-r = %{KVERREL}%{?1:+%{1}}\
AutoReq: no\
AutoProv: yes\
%description %{?1:%{1}-}modules-extra\
This package provides less commonly used kernel modules for the %{?2:%{2} }kernel package.\
%{nil}
#
# This macro creates a kernel-<subpackage>-modules package.
# %%kernel_modules_package <subpackage> <pretty-name>
#
%define kernel_modules_package() \
%package %{?1:%{1}-}modules\
Summary: kernel modules to match the %{?2:%{2}-}core kernel\
Provides: kernel%{?1:-%{1}}-modules-%{_target_cpu} = %{version}-%{release}\
Provides: kernel-modules-%{_target_cpu} = %{version}-%{release}%{?1:+%{1}}\
Provides: kernel-modules = %{version}-%{release}%{?1:+%{1}}\
Provides: installonlypkg(kernel-module)\
Provides: kernel%{?1:-%{1}}-modules-uname-r = %{KVERREL}%{?1:+%{1}}\
Requires(pre): kernel-uname-r = %{KVERREL}%{?1:+%{1}}\
AutoReq: no\
AutoProv: yes\
%description %{?1:%{1}-}modules\
This package provides commonly used kernel modules for the %{?2:%{2}-}core kernel package.\
%{nil}
#
# this macro creates a kernel-<subpackage> meta package.
# %%kernel_meta_package <subpackage>
#
%define kernel_meta_package() \
%package %{1}\
summary: kernel meta-package for the %{1} kernel\
Requires: kernel-%{1}-core-uname-r = %{KVERREL}+%{1}\
Requires: kernel-%{1}-modules-uname-r = %{KVERREL}+%{1}\
Provides: installonlypkg(kernel)\
%description %{1}\
The meta-package for the %{1} kernel\
%{nil}
#
# This macro creates a kernel-<subpackage> and its -devel and -debuginfo too.
# %%define variant_summary The Linux kernel compiled for <configuration>
# %%kernel_variant_package [-n <pretty-name>] <subpackage>
#
%define kernel_variant_package(n:) \
%package %{?1:%{1}-}core\
Summary: %{variant_summary}\
Provides: kernel-%{?1:%{1}-}core-uname-r = %{KVERREL}%{?1:+%{1}}\
Provides: installonlypkg(kernel)\
%{expand:%%kernel_reqprovconf}\
%if %{?1:1} %{!?1:0} \
%{expand:%%kernel_meta_package %{?1:%{1}}}\
%endif\
%{expand:%%kernel_devel_package %{?1:%{1}} %{!?{-n}:%{1}}%{?{-n}:%{-n*}}}\
%{expand:%%kernel_modules_package %{?1:%{1}} %{!?{-n}:%{1}}%{?{-n}:%{-n*}}}\
%{expand:%%kernel_modules_extra_package %{?1:%{1}} %{!?{-n}:%{1}}%{?{-n}:%{-n*}}}\
%{expand:%%kernel_debuginfo_package %{?1:%{1}}}\
%{nil}
# The main -core package
%if %{bcm270x}
%if "%{_target_cpu}" == "armv7hl"
%if %{with_rpi4}
%define variant_summary The Linux kernel for the Raspberry Pi 4 Model B
%else
%define variant_summary The Linux kernel for the Raspberry Pi 2/3 Model B
%endif
%else
%define variant_summary The Linux kernel for the Raspberry Pi Model A, B & Zero
%endif
%kernel_variant_package
%description core
This package includes a patched version of the Linux kernel built for
Raspberry Pi devices that use the Broadcom BCM27XX SOC. The
kernel package contains the Linux kernel, the core of any
Linux operating system. The kernel handles the basic functions
of the operating system: memory allocation, process allocation, device
input and output, etc.
%else
%define variant_summary The Linux kernel
%kernel_variant_package
%description core
The kernel package contains the Linux kernel, the core of any
Linux operating system. The kernel handles the basic functions
of the operating system: memory allocation, process allocation, device
input and output, etc.
%endif
###
### prep
###
%prep
%if "%{baserelease}" == "0"
echo "baserelease must be greater than zero"
exit 1
%endif
# more sanity checking; do it quietly
if [ "%{patches}" != "%%{patches}" ] ; then
for patch in %{patches} ; do
if [ ! -f $patch ] ; then
echo "ERROR: Patch ${patch##/*/} listed in specfile but is missing"
exit 1
fi
done
fi 2>/dev/null
patch_command='patch -p1 -F1 -s'
ApplyPatch()
{
local patch=$1
shift
if [ ! -f $patch ]; then
exit 1
fi
case "$patch" in
*.bz2) bunzip2 < "$patch" | $patch_command ${1+"$@"} ;;
*.gz) gunzip < "$patch" | $patch_command ${1+"$@"} ;;
*.xz) unxz < "$patch" | $patch_command ${1+"$@"} ;;
*) $patch_command ${1+"$@"} < "$patch" ;;
esac
}
# don't apply patch if it's empty
ApplyOptionalPatch()
{
local patch=$1
shift
if [ ! -f $patch ]; then
exit 1
fi
local C=$(wc -l $patch | awk '{print $1}')
if [ "$C" -gt 9 ]; then
ApplyPatch $patch ${1+"$@"}
fi
}
# First we unpack the kernel tarball.
# If this isn't the first make prep, we use links to the existing clean tarball
# which speeds things up quite a bit.
# Update to latest upstream.
%if 0%{?released_kernel}
%define vanillaversion 6.%{base_sublevel}
# non-released_kernel case
%else
%if 0%{?rcrev}
%define vanillaversion 6.%{upstream_sublevel}-rc%{rcrev}
%if 0%{?gitrev}
%define vanillaversion 6.%{upstream_sublevel}-rc%{rcrev}-git%{gitrev}
%endif
%else
# pre-{base_sublevel+1}-rc1 case
%if 0%{?gitrev}
%define vanillaversion 6.%{base_sublevel}-git%{gitrev}
%else
%define vanillaversion 6.%{base_sublevel}
%endif
%endif
%endif
# %%{vanillaversion} : the full version name, e.g. 2.6.35-rc6-git3
# %%{kversion} : the base version, e.g. 2.6.34
# Use kernel-%%{kversion}%%{?dist} as the top-level directory name
# so we can prep different trees within a single git directory.
# Build a list of the other top-level kernel tree directories.
# This will be used to hardlink identical vanilla subdirs.
sharedirs=$(find "$PWD" -maxdepth 1 -type d -name 'kernel-6.*' \
| grep -x -v "$PWD"/kernel-%{kversion}%{?dist}) ||:
# Delete all old stale trees.
if [ -d kernel-%{kversion}%{?dist} ]; then
cd kernel-%{kversion}%{?dist}
for i in linux-*
do
if [ -d $i ]; then
# Just in case we ctrl-c'd a prep already
rm -rf deleteme.%{_target_cpu}
# Move away the stale away, and delete in background.
mv $i deleteme-$i
rm -rf deleteme* &
fi
done
cd ..
fi
# Generate new tree
if [ ! -d kernel-%{kversion}%{?dist}/vanilla-%{vanillaversion} ]; then
if [ -d kernel-%{kversion}%{?dist}/vanilla-%{kversion} ]; then
# The base vanilla version already exists.
cd kernel-%{kversion}%{?dist}
# Any vanilla-* directories other than the base one are stale.
for dir in vanilla-*; do
[ "$dir" = vanilla-%{kversion} ] || rm -rf $dir &
done
else
rm -f pax_global_header
# Look for an identical base vanilla dir that can be hardlinked.
for sharedir in $sharedirs ; do
if [[ ! -z $sharedir && -d $sharedir/vanilla-%{kversion} ]] ; then
break
fi
done
if [[ ! -z $sharedir && -d $sharedir/vanilla-%{kversion} ]] ; then
%setup -q -n kernel-%{kversion}%{?dist} -c -T
cp -al $sharedir/vanilla-%{kversion} .
else
%setup -q -n kernel-%{kversion}%{?dist} -c
mv linux-%{kversion} vanilla-%{kversion}
fi
fi
%if "%{kversion}" != "%{vanillaversion}"
for sharedir in $sharedirs ; do
if [[ ! -z $sharedir && -d $sharedir/vanilla-%{vanillaversion} ]] ; then
break
fi
done
if [[ ! -z $sharedir && -d $sharedir/vanilla-%{vanillaversion} ]] ; then
cp -al $sharedir/vanilla-%{vanillaversion} .
else
# Need to apply patches to the base vanilla version.
cp -al vanilla-%{kversion} vanilla-%{vanillaversion}
cd vanilla-%{vanillaversion}
# Update vanilla to the latest upstream.
# (non-released_kernel case only)
%if 0%{?rcrev}
xzcat %{SOURCE1} | patch -p1 -F1 -s
%if 0%{?gitrev}
xzcat %{SOURCE2} | patch -p1 -F1 -s
%endif
%else
# pre-{base_sublevel+1}-rc1 case
%if 0%{?gitrev}
xzcat %{SOURCE1} | patch -p1 -F1 -s
%endif
%endif
cd ..
fi
%endif
else
# We already have all vanilla dirs, just change to the top-level directory.
cd kernel-%{kversion}%{?dist}
fi
# Now build the kernel tree.
cp -al vanilla-%{vanillaversion} linux-%{KVERREL}
cd linux-%{KVERREL}
# released_kernel with possible stable updates
%if 0%{?stable_base}
# This is special because the kernel spec is HELL and nothing is consistent
xzcat %{SOURCE1} | patch -p1 -F1 -s
%endif
#
# misc small stuff to make things compile
#
#ApplyOptionalPatch compile-fixes.patch
%if !%{nopatches}
for i in %{patches}; do
%if !%{bcm270x}
if [ ! $(echo $i |grep "/bcm270x") ]; then
ApplyPatch $i
fi
%endif
%if %{bcm270x}
if [ ! $(echo $i |grep "/bcm283x") ]; then
ApplyPatch $i
fi
%endif
done
%if %{with_rt_preempt}
# apply rt kernel patches
xzcat %{SOURCE1500} | patch -p1 -F1 -s
%endif
# END OF PATCH APPLICATIONS
%endif
# Any further pre-build tree manipulations happen here.
chmod +x scripts/checkpatch.pl
mv COPYING COPYING-%{version}
# This Prevents scripts/setlocalversion from mucking with our version numbers.
touch .scmversion
%define make make %{?cross_opts}
# get rid of unwanted files resulting from patch fuzz
find . \( -name "*.orig" -o -name "*~" \) -exec rm -f {} \; >/dev/null
# remove unnecessary SCM files
find . -name .gitignore -exec rm -f {} \; >/dev/null
# Ensure all python shebangs in 'tools' & 'scripts' directory are using python3
find scripts tools -type f -exec sed -i '1s=^#! */usr/bin/\(python\|env python\)[23]\?=#!%{__python3}=' '{}' ';'
%if %{with_rt_preempt}
# remove append on rt kernels
rm -f localversion-rt
%endif
cd ..
###
### build
###
%build
%ifnarch %{arm} aarch64
echo "This build is for arm archiecture only"
exit 1
%endif
cp_vmlinux()
{
eu-strip --remove-comment -o "$2" "$1"
}
BuildKernel() {
MakeTarget=$1
KernelImage=$2
Flavour=$3
Arch=%{asmarch}
Flav=${Flavour:++${Flavour}}
InstallName=${4:-%{install_name}}
DevelDir=/usr/src/kernels/%{KVERREL}
# When the bootable image is just the ELF kernel, strip it.
# We already copy the unstripped file into the debuginfo package.
if [ "$KernelImage" = vmlinux ]; then
CopyKernel=cp_vmlinux
else
CopyKernel=cp
fi
#KernelVer=%{version}-%{release}.%{_target_cpu}${Flav}
KernelVer=%{version}-%{release}.%{_target_cpu}
echo BUILDING A KERNEL FOR ${Flavour} %{_target_cpu}...
%if 0%{?stable_update}
# make sure SUBLEVEL is incremented on a stable release.
perl -p -i -e "s/^SUBLEVEL.*/SUBLEVEL = %{?stablerev}/" Makefile
%endif
# make sure EXTRAVERSION says what we want it to say
perl -p -i -e "s/^EXTRAVERSION.*/EXTRAVERSION = -%{release}.%{_target_cpu}/" Makefile
# if pre-rc1 devel kernel, must fix up PATCHLEVEL for our versioning scheme
%if !0%{?rcrev}
%if 0%{?gitrev}
perl -p -i -e 's/^PATCHLEVEL.*/PATCHLEVEL = %{upstream_sublevel}/' Makefile
%endif
%endif
# and now to start the build process
make -s mrproper
%if !%{bcm270x}
make multi_v7_defconfig
# merge kernel config fragments
scripts/kconfig/merge_config.sh -m -r .config %{SOURCE1100}
%endif
%if %{bcm270x}
%if "%{_target_cpu}" != "armv6hl"
%if %{with_rpi4}
make bcm2711_defconfig
%else
%ifarch aarch64
make bcmrpi3_defconfig
%else
make bcm2709_defconfig
%endif
%endif
%else
make bcmrpi_defconfig
%endif
# merge kernel config fragments
scripts/kconfig/merge_config.sh -m -r .config %{SOURCE1000}
%endif
%if %{with_rt_preempt}
# merge rt-preempt kernel config changes
scripts/kconfig/merge_config.sh -m -r .config %{SOURCE1501}
%endif
%if %{with_lpae}
# merge lpae kernel config changes
scripts/kconfig/merge_config.sh -m -r .config %{SOURCE1200}
%endif