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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v2 0/5] Minimal build for RISCV
On Fri, May 14, 2021 at 2:18 PM Connor Davis <connojdavis@xxxxxxxxx> wrote: > > Hi all, > > This series introduces a minimal build for RISCV. It is based on Bobby's > previous work from last year[0]. I have worked to rebase onto current Xen, > as well as update the various header files borrowed from Linux. > > This series provides the patches necessary to get a minimal build > working. The build is "minimal" in the sense that 1) it uses a > minimal config and 2) files, functions, and variables are included if > and only if they are required for a successful build based on the > config. It doesn't run at all, as the functions just have stub > implementations. > > My hope is that this can serve as a useful example for future ports as > well as inform the community of exactly what is imposed by common code > onto new architectures. > > The first 3 patches are mods to non-RISCV bits that enable building a > config with: > > !CONFIG_HAS_NS16550 > !CONFIG_HAS_PASSTHROUGH > !CONFIG_GRANT_TABLE > > respectively. The fourth patch adds the RISCV files, and the last patch > adds a docker container for doing the build. To build from the docker > container (after creating it locally), you can run the following: > > $ make XEN_TARGET_ARCH=riscv64 SUBSYSTEMS=xen > > The sources taken from Linux are documented in arch/riscv/README.sources. > There were also some files copied from arm: > > asm-arm/softirq.h > asm-arm/random.h > asm-arm/nospec.h > asm-arm/numa.h > asm-arm/p2m.h > asm-arm/delay.h > asm-arm/debugger.h > asm-arm/desc.h > asm-arm/guest_access.h > asm-arm/hardirq.h > lib/find_next_bit.c > > I imagine some of these will want some consolidation, but I put them > under the respective RISCV directories for now. Awesome! Do you have a public branch I could pull these from to try out? Alistair > > [0] > https://lore.kernel.org/xen-devel/cover.1579615303.git.bobbyeshleman@xxxxxxxxx/ > > Thanks, > Connor > > -- > Changes since v1: > - Dropped "xen/sched: Fix build when NR_CPUS == 1" since this was > fixed for 4.15 > - Moved #ifdef-ary around iommu_enabled to iommu.h > - Moved struct grant_table declaration above ifdef CONFIG_GRANT_TABLE > instead of defining an empty struct when !CONFIG_GRANT_TABLE > > Connor Davis (5): > xen/char: Default HAS_NS16550 to y only for X86 and ARM > xen/common: Guard iommu symbols with CONFIG_HAS_PASSTHROUGH > xen: Fix build when !CONFIG_GRANT_TABLE > xen: Add files needed for minimal riscv build > automation: add container for riscv64 builds > > automation/build/archlinux/riscv64.dockerfile | 33 ++ > automation/scripts/containerize | 1 + > config/riscv64.mk | 7 + > xen/Makefile | 8 +- > xen/arch/riscv/Kconfig | 54 +++ > xen/arch/riscv/Kconfig.debug | 0 > xen/arch/riscv/Makefile | 57 +++ > xen/arch/riscv/README.source | 19 + > xen/arch/riscv/Rules.mk | 13 + > xen/arch/riscv/arch.mk | 7 + > xen/arch/riscv/configs/riscv64_defconfig | 12 + > xen/arch/riscv/delay.c | 16 + > xen/arch/riscv/domain.c | 144 +++++++ > xen/arch/riscv/domctl.c | 36 ++ > xen/arch/riscv/guestcopy.c | 57 +++ > xen/arch/riscv/head.S | 6 + > xen/arch/riscv/irq.c | 78 ++++ > xen/arch/riscv/lib/Makefile | 1 + > xen/arch/riscv/lib/find_next_bit.c | 284 +++++++++++++ > xen/arch/riscv/mm.c | 93 +++++ > xen/arch/riscv/p2m.c | 144 +++++++ > xen/arch/riscv/percpu.c | 17 + > xen/arch/riscv/platforms/Kconfig | 31 ++ > xen/arch/riscv/riscv64/asm-offsets.c | 31 ++ > xen/arch/riscv/setup.c | 27 ++ > xen/arch/riscv/shutdown.c | 28 ++ > xen/arch/riscv/smp.c | 35 ++ > xen/arch/riscv/smpboot.c | 34 ++ > xen/arch/riscv/sysctl.c | 33 ++ > xen/arch/riscv/time.c | 35 ++ > xen/arch/riscv/traps.c | 35 ++ > xen/arch/riscv/vm_event.c | 39 ++ > xen/arch/riscv/xen.lds.S | 113 ++++++ > xen/common/memory.c | 10 + > xen/drivers/char/Kconfig | 2 +- > xen/include/asm-riscv/altp2m.h | 39 ++ > xen/include/asm-riscv/asm.h | 77 ++++ > xen/include/asm-riscv/asm_defns.h | 24 ++ > xen/include/asm-riscv/atomic.h | 204 ++++++++++ > xen/include/asm-riscv/bitops.h | 331 +++++++++++++++ > xen/include/asm-riscv/bug.h | 54 +++ > xen/include/asm-riscv/byteorder.h | 16 + > xen/include/asm-riscv/cache.h | 24 ++ > xen/include/asm-riscv/cmpxchg.h | 382 ++++++++++++++++++ > xen/include/asm-riscv/compiler_types.h | 32 ++ > xen/include/asm-riscv/config.h | 110 +++++ > xen/include/asm-riscv/cpufeature.h | 17 + > xen/include/asm-riscv/csr.h | 219 ++++++++++ > xen/include/asm-riscv/current.h | 47 +++ > xen/include/asm-riscv/debugger.h | 15 + > xen/include/asm-riscv/delay.h | 17 + > xen/include/asm-riscv/desc.h | 12 + > xen/include/asm-riscv/device.h | 15 + > xen/include/asm-riscv/div64.h | 23 ++ > xen/include/asm-riscv/domain.h | 50 +++ > xen/include/asm-riscv/event.h | 42 ++ > xen/include/asm-riscv/fence.h | 12 + > xen/include/asm-riscv/flushtlb.h | 34 ++ > xen/include/asm-riscv/grant_table.h | 12 + > xen/include/asm-riscv/guest_access.h | 41 ++ > xen/include/asm-riscv/guest_atomics.h | 60 +++ > xen/include/asm-riscv/hardirq.h | 27 ++ > xen/include/asm-riscv/hypercall.h | 12 + > xen/include/asm-riscv/init.h | 42 ++ > xen/include/asm-riscv/io.h | 283 +++++++++++++ > xen/include/asm-riscv/iocap.h | 13 + > xen/include/asm-riscv/iommu.h | 46 +++ > xen/include/asm-riscv/irq.h | 58 +++ > xen/include/asm-riscv/mem_access.h | 4 + > xen/include/asm-riscv/mm.h | 246 +++++++++++ > xen/include/asm-riscv/monitor.h | 65 +++ > xen/include/asm-riscv/nospec.h | 25 ++ > xen/include/asm-riscv/numa.h | 41 ++ > xen/include/asm-riscv/p2m.h | 218 ++++++++++ > xen/include/asm-riscv/page-bits.h | 11 + > xen/include/asm-riscv/page.h | 73 ++++ > xen/include/asm-riscv/paging.h | 15 + > xen/include/asm-riscv/pci.h | 31 ++ > xen/include/asm-riscv/percpu.h | 33 ++ > xen/include/asm-riscv/processor.h | 59 +++ > xen/include/asm-riscv/random.h | 9 + > xen/include/asm-riscv/regs.h | 23 ++ > xen/include/asm-riscv/setup.h | 14 + > xen/include/asm-riscv/smp.h | 46 +++ > xen/include/asm-riscv/softirq.h | 16 + > xen/include/asm-riscv/spinlock.h | 12 + > xen/include/asm-riscv/string.h | 28 ++ > xen/include/asm-riscv/sysregs.h | 16 + > xen/include/asm-riscv/system.h | 99 +++++ > xen/include/asm-riscv/time.h | 31 ++ > xen/include/asm-riscv/trace.h | 12 + > xen/include/asm-riscv/types.h | 60 +++ > xen/include/asm-riscv/vm_event.h | 60 +++ > xen/include/asm-riscv/xenoprof.h | 12 + > xen/include/public/arch-riscv.h | 134 ++++++ > xen/include/public/arch-riscv/hvm/save.h | 39 ++ > xen/include/public/hvm/save.h | 2 + > xen/include/public/pmu.h | 2 + > xen/include/public/xen.h | 2 + > xen/include/xen/domain.h | 1 + > xen/include/xen/grant_table.h | 3 +- > xen/include/xen/iommu.h | 8 +- > 102 files changed, 5375 insertions(+), 5 deletions(-) > create mode 100644 automation/build/archlinux/riscv64.dockerfile > create mode 100644 config/riscv64.mk > create mode 100644 xen/arch/riscv/Kconfig > create mode 100644 xen/arch/riscv/Kconfig.debug > create mode 100644 xen/arch/riscv/Makefile > create mode 100644 xen/arch/riscv/README.source > create mode 100644 xen/arch/riscv/Rules.mk > create mode 100644 xen/arch/riscv/arch.mk > create mode 100644 xen/arch/riscv/configs/riscv64_defconfig > create mode 100644 xen/arch/riscv/delay.c > create mode 100644 xen/arch/riscv/domain.c > create mode 100644 xen/arch/riscv/domctl.c > create mode 100644 xen/arch/riscv/guestcopy.c > create mode 100644 xen/arch/riscv/head.S > create mode 100644 xen/arch/riscv/irq.c > create mode 100644 xen/arch/riscv/lib/Makefile > create mode 100644 xen/arch/riscv/lib/find_next_bit.c > create mode 100644 xen/arch/riscv/mm.c > create mode 100644 xen/arch/riscv/p2m.c > create mode 100644 xen/arch/riscv/percpu.c > create mode 100644 xen/arch/riscv/platforms/Kconfig > create mode 100644 xen/arch/riscv/riscv64/asm-offsets.c > create mode 100644 xen/arch/riscv/setup.c > create mode 100644 xen/arch/riscv/shutdown.c > create mode 100644 xen/arch/riscv/smp.c > create mode 100644 xen/arch/riscv/smpboot.c > create mode 100644 xen/arch/riscv/sysctl.c > create mode 100644 xen/arch/riscv/time.c > create mode 100644 xen/arch/riscv/traps.c > create mode 100644 xen/arch/riscv/vm_event.c > create mode 100644 xen/arch/riscv/xen.lds.S > create mode 100644 xen/include/asm-riscv/altp2m.h > create mode 100644 xen/include/asm-riscv/asm.h > create mode 100644 xen/include/asm-riscv/asm_defns.h > create mode 100644 xen/include/asm-riscv/atomic.h > create mode 100644 xen/include/asm-riscv/bitops.h > create mode 100644 xen/include/asm-riscv/bug.h > create mode 100644 xen/include/asm-riscv/byteorder.h > create mode 100644 xen/include/asm-riscv/cache.h > create mode 100644 xen/include/asm-riscv/cmpxchg.h > create mode 100644 xen/include/asm-riscv/compiler_types.h > create mode 100644 xen/include/asm-riscv/config.h > create mode 100644 xen/include/asm-riscv/cpufeature.h > create mode 100644 xen/include/asm-riscv/csr.h > create mode 100644 xen/include/asm-riscv/current.h > create mode 100644 xen/include/asm-riscv/debugger.h > create mode 100644 xen/include/asm-riscv/delay.h > create mode 100644 xen/include/asm-riscv/desc.h > create mode 100644 xen/include/asm-riscv/device.h > create mode 100644 xen/include/asm-riscv/div64.h > create mode 100644 xen/include/asm-riscv/domain.h > create mode 100644 xen/include/asm-riscv/event.h > create mode 100644 xen/include/asm-riscv/fence.h > create mode 100644 xen/include/asm-riscv/flushtlb.h > create mode 100644 xen/include/asm-riscv/grant_table.h > create mode 100644 xen/include/asm-riscv/guest_access.h > create mode 100644 xen/include/asm-riscv/guest_atomics.h > create mode 100644 xen/include/asm-riscv/hardirq.h > create mode 100644 xen/include/asm-riscv/hypercall.h > create mode 100644 xen/include/asm-riscv/init.h > create mode 100644 xen/include/asm-riscv/io.h > create mode 100644 xen/include/asm-riscv/iocap.h > create mode 100644 xen/include/asm-riscv/iommu.h > create mode 100644 xen/include/asm-riscv/irq.h > create mode 100644 xen/include/asm-riscv/mem_access.h > create mode 100644 xen/include/asm-riscv/mm.h > create mode 100644 xen/include/asm-riscv/monitor.h > create mode 100644 xen/include/asm-riscv/nospec.h > create mode 100644 xen/include/asm-riscv/numa.h > create mode 100644 xen/include/asm-riscv/p2m.h > create mode 100644 xen/include/asm-riscv/page-bits.h > create mode 100644 xen/include/asm-riscv/page.h > create mode 100644 xen/include/asm-riscv/paging.h > create mode 100644 xen/include/asm-riscv/pci.h > create mode 100644 xen/include/asm-riscv/percpu.h > create mode 100644 xen/include/asm-riscv/processor.h > create mode 100644 xen/include/asm-riscv/random.h > create mode 100644 xen/include/asm-riscv/regs.h > create mode 100644 xen/include/asm-riscv/setup.h > create mode 100644 xen/include/asm-riscv/smp.h > create mode 100644 xen/include/asm-riscv/softirq.h > create mode 100644 xen/include/asm-riscv/spinlock.h > create mode 100644 xen/include/asm-riscv/string.h > create mode 100644 xen/include/asm-riscv/sysregs.h > create mode 100644 xen/include/asm-riscv/system.h > create mode 100644 xen/include/asm-riscv/time.h > create mode 100644 xen/include/asm-riscv/trace.h > create mode 100644 xen/include/asm-riscv/types.h > create mode 100644 xen/include/asm-riscv/vm_event.h > create mode 100644 xen/include/asm-riscv/xenoprof.h > create mode 100644 xen/include/public/arch-riscv.h > create mode 100644 xen/include/public/arch-riscv/hvm/save.h > > -- > 2.31.1 > >
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