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client-ip=162.221.158.21; receiver=esa4.hc3370-68.iphmx.com; envelope-from="anthony.perard@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: 7Z8fIeGk5Ycg1vax49E8R/GD2X7gjtWf9d/UWn67HdwWvMHu13NFDbrWR1vENEkTBmqVwYPFE2 Q6YHL1KqDLqek20X7+mM795OEnVduZSiJIt4lqT1BE9RX0990gNybcoEbXKxp8s0hnc44n5+fo 6ocrhQ6ww2KBQeUja0vWdhI+M3HAXEperSnjJw0F1KVY/VBzGujkZ7CZUlFv4ZVSvqlw/qM7Fi yZe29CLdBz+hoZA3t49+aeSnKpwt6auzb3xglEhgEs+Q4xKoNtePaIne+/CKx8CYTfpfQLwWK3 Ul8= X-SBRS: 2.7 X-MesageID: 15575929 X-Ironport-Server: esa4.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.72,327,1580792400"; d="scan'208";a="15575929" From: Anthony PERARD To: Subject: [XEN PATCH v4 00/18] xen: Build system improvements Date: Tue, 31 Mar 2020 11:30:44 +0100 Message-ID: <20200331103102.1105674-1-anthony.perard@citrix.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Julien Grall , Wei Liu , Andrew Cooper , Ian Jackson , George Dunlap , Tim Deegan , Jan Beulich , Anthony PERARD , Samuel Thibault , Daniel De Graaf , Volodymyr Babchuk , =?utf-8?q?Roger_Pau_Monn?= =?utf-8?q?=C3=A9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Patch series available in this git branch: https://xenbits.xen.org/git-http/people/aperard/xen-unstable.git br.build-system-xen-v4 v4: - some patch already applied. - Have added patches from "xen/arm: Configure early printk via Kconfig" series. - Some new patch to add documentation or fix issues, and patch to improve compat header generation. Other changes are detailed in patches. v3: - new patches that do some cleanup or fix issues - have rework most patches, to have better commit message or change the coding style, or fix issues that I've seen. There were some cases where CFLAGS were missing. See patch notes for details - introduce if_changed*. That plenty of new patches on top of what we had in v2. (those changes ignore CONFIG_LTO=y, I'll see about fixing that later) (There is more to come in order to use fixdep from Linux, but that's not ready) v2.1: - some fixes v2: Rather than taking Kbuild and making it work with Xen, the v2 takes the opposite approach of slowly transforming our current build system into Kbuild. That have the advantage of keeping all the feature we have and making the patches much easier to review. Kconfig update is done in an other patch series. Hi, I have work toward building Xen (the hypervisor) with Linux's build system, Kbuild. The main reason for that is to be able to have out-of-tree build. It's annoying when a build fail because of the pvshim. Other benefit is a much faster rebuild, and `make clean` doesn't take ages, and better dependencies to figure out what needs to be rebuild. So, we are not there yet, but the series already contain quite a few improvement and cleanup. More patches are going to be added to the series. Cheers, Anthony PERARD (18): xen/arm: Rename all early printk macro xen/arm: Configure early printk via Kconfig build,arm: Fix deps check of head.o xen/build: include include/config/auto.conf in main Makefile xen/build: use new $(c_flags) and $(a_flags) instead of $(CFLAGS) xen/build: have the root Makefile generates the CFLAGS build: Introduce documentation for xen Makefiles xen/build: introduce if_changed and if_changed_rule xen/build: Start using if_changed xen/build: use if_changed on built_in.o xen/build: Use if_changed_rules with %.o:%.c targets xen/build: factorise generation of the linker scripts xen/build: Use if_changed for prelink*.o xen,symbols: rework file symbols selection xen/build: use if_changed to build guest_%.o build,xsm: Fix multiple call build,include: rework compat-build-source.py build,include: rework compat-build-header.py .gitignore | 1 + docs/misc/arm/early-printk.txt | 71 ++--- docs/misc/xen-makefiles/makefiles.rst | 186 +++++++++++ xen/Kconfig.debug | 2 + xen/Makefile | 209 +++++++++++-- xen/Rules.mk | 235 ++++++++------ xen/arch/arm/Kconfig.debug | 289 ++++++++++++++++++ xen/arch/arm/Makefile | 27 +- xen/arch/arm/Rules.mk | 93 ------ xen/arch/arm/{Rules.mk => arch.mk} | 79 +---- xen/arch/arm/arm32/Makefile | 2 +- xen/arch/arm/arm32/debug-8250.inc | 2 +- xen/arch/arm/arm32/debug-pl011.inc | 4 +- xen/arch/arm/arm32/debug-scif.inc | 4 +- xen/arch/arm/arm32/debug.S | 4 +- xen/arch/arm/arm32/head.S | 10 +- xen/arch/arm/arm64/Makefile | 2 +- xen/arch/arm/arm64/debug-8250.inc | 4 +- xen/arch/arm/arm64/debug-pl011.inc | 4 +- xen/arch/arm/arm64/debug.S | 4 +- xen/arch/arm/arm64/head.S | 10 +- xen/arch/arm/efi/Makefile | 2 +- .../minios.cfg => xen/arch/x86/Kconfig.debug | 0 xen/arch/x86/Makefile | 41 +-- xen/arch/x86/Rules.mk | 91 +----- xen/arch/x86/{Rules.mk => arch.mk} | 17 +- xen/arch/x86/efi/Makefile | 9 +- xen/arch/x86/mm/Makefile | 14 +- xen/arch/x86/mm/hap/Makefile | 15 +- xen/arch/x86/mm/shadow/Makefile | 14 +- xen/common/libelf/Makefile | 14 +- xen/common/libfdt/Makefile | 13 +- xen/include/Makefile | 24 +- xen/include/asm-arm/early_printk.h | 2 +- xen/scripts/Kbuild.include | 112 +++++++ xen/tools/compat-build-header.py | 36 ++- xen/tools/compat-build-source.py | 8 +- xen/tools/symbols.c | 20 +- xen/xsm/flask/Makefile | 19 +- xen/xsm/flask/ss/Makefile | 2 +- 40 files changed, 1145 insertions(+), 550 deletions(-) create mode 100644 docs/misc/xen-makefiles/makefiles.rst create mode 100644 xen/arch/arm/Kconfig.debug copy xen/arch/arm/{Rules.mk => arch.mk} (15%) copy stubdom/c/minios.cfg => xen/arch/x86/Kconfig.debug (100%) copy xen/arch/x86/{Rules.mk => arch.mk} (87%)