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Add initial arm64 support

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Based on a working config by Paul Whalen. The generated config ends
up being the same, so hopefully this marks the first ARMv8 Fedora
kernel.

Signed-off-by: Kyle McMartin <kyle@redhat.com>
This commit is contained in:
Kyle McMartin 2013-06-16 08:31:18 -04:00
commit 575de6c9a6
6 changed files with 611 additions and 55 deletions
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46
kernel.spec
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@ -285,7 +285,7 @@ Summary: The Linux kernel
%if %{with_vdso_install}
# These arches install vdso/ directories.
%define vdso_arches %{all_x86} x86_64 ppc ppc64 ppc64p7 s390 s390x
%define vdso_arches %{all_x86} x86_64 ppc ppc64 ppc64p7 s390 s390x aarch64
%endif
# Overrides for generic default options
@ -391,6 +391,15 @@ Summary: The Linux kernel
%endif
%endif
%ifarch aarch64
%define all_arch_configs kernel-%{version}-arm64.config
%define asmarch arm64
%define hdrarch arm64
%define make_target Image.gz
%define kernel_image arch/arm64/boot/Image.gz
%define image_install_path boot
%endif
# Should make listnewconfig fail if there's config options
# printed out?
%if %{nopatches}%{using_upstream_branch}
@ -424,7 +433,7 @@ Summary: The Linux kernel
%endif
# Architectures we build tools/cpupower on
%define cpupowerarchs %{ix86} x86_64 ppc ppc64 ppc64p7 %{arm}
%define cpupowerarchs %{ix86} x86_64 ppc ppc64 ppc64p7 %{arm} aarch64
#
# Three sets of minimum package version requirements in the form of Conflicts:
@ -499,7 +508,7 @@ Version: %{rpmversion}
Release: %{pkg_release}
# DO NOT CHANGE THE 'ExclusiveArch' LINE TO TEMPORARILY EXCLUDE AN ARCHITECTURE BUILD.
# SET %%nobuildarches (ABOVE) INSTEAD
ExclusiveArch: noarch %{all_x86} x86_64 ppc ppc64 ppc64p7 s390 s390x %{arm}
ExclusiveArch: noarch %{all_x86} x86_64 ppc ppc64 ppc64p7 s390 s390x %{arm} aarch64
ExclusiveOS: Linux
%kernel_reqprovconf
@ -574,10 +583,14 @@ Source54: config-powerpc64p7
Source70: config-s390x
Source100: config-arm-generic
# Unified ARM kernels
Source100: config-armv7-generic
Source101: config-armv7
Source102: config-armv7-lpae
Source101: config-armv7-generic
Source102: config-armv7
Source103: config-armv7-lpae
Source110: config-arm64
# This file is intentionally left empty in the stock kernel. Its a nicety
# added for those wanting to do custom rebuilds with altered config opts.
@ -701,6 +714,9 @@ Patch14010: lis3-improve-handling-of-null-rate.patch
Patch15000: nowatchdog-on-virt.patch
# ARM64
Patch16000: arm64-makefile-vdso_install.patch
# ARM
@ -1323,6 +1339,9 @@ ApplyPatch debug-bad-pte-modules.patch
# Architecture patches
# x86(-64)
# ARM64
ApplyPatch arm64-makefile-vdso_install.patch
#
# ARM
#
@ -2291,11 +2310,24 @@ fi
# ||----w |
# || ||
%changelog
* Fri Jun 14 2013 Kyle McMartin <kyle@redhat.com>
- ARM64 support (config-arm64)
Split out some config-armv7-generic options common between 32-bit and 64-bit
ARM into a new config-arm-generic, and use that as a base for
both.
Buildable in rawhide, and F-19 by installing {gcc,binutils}-aarch64-linux-gnu
and running:
rpmbuild --rebuild --target $ARCH --with cross --without perf \
--without tools --without debuginfo --define "_arch aarch64" \
--define "_build_arch aarch64" \
--define "__strip /usr/bin/aarch64-linux-gnu-strip" kernel*.src.rpm
As rpm in F-19 doesn't have aarch64-linux macros yet.
* Thu Jun 13 2013 Kyle McMartin <kyle@redhat.com>
- Introduce infrastructure for cross-compiling Fedora kernels. Intended to
assist building for secondary architectures like ppc64, s390x, and arm.
To use, create an .src.rpm using "fedpkg srpm" and then run
"rpmbuild --rebuild --with cross --without perf --without tools \
"rpmbuild --rebuild --target t --with cross --without perf --without tools \
kernel*.src.rpm" to cross compile. This requires binutils and gcc
packages named like %_target_cpu, which all but powerpc64 currently provides
in rawhide/F-19. Can't (currently) cross compile perf or kernel-tools, since