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[Xen-devel] [PATCH v2 00/25] xen: ARMv7 with virtualization extensions



Hello everyone,
this is the second version of the patch series that introduces ARMv7
with virtualization extensions support in Xen.
The series allows Xen and Dom0 to boot on a Cortex-A15 based Versatile
Express simulator.
See the following announce email for more informations about what we
are trying to achieve, as well as the original git history:

See http://marc.info/?l=xen-devel&m=132257857628098&w=2


The first 7 patches affect generic Xen code and are not ARM specific;
often they fix real issues, hidden in the default X86 configuration.

The following 18 patches introduce ARMv7 with virtualization extensions
support: makefiles first, then the asm-arm header files and finally
everything else, ordered in a way that should make the patches easier
to read.


Changes in v2:

- introduce CONFIG_XENOPROF;

- make _srodata and  _erodata const char[];

- do not include p2m.h ifdef __ia64__;

- remove wrong comment about pfn.h;

- introduce HAS_KEXEC and CONFIG_KEXEC;

- use long in __do_clear_user;

- remove the div64 patch, implement __aeabi_ldivmod and __aeabi_uldivmod
instead;

- move "arm: makefiles" at the end of the series.


Stefano Stabellini (25):
      Move cpufreq option parsing to cpufreq.c
      Include some header files that are not automatically included on all archs
      A collection of fixes to Xen common files
      xen: implement an signed 64 bit division helper function
      Introduce clear_user
      libelf-loader: introduce elf_load_image
      xen/common/Makefile: introduce HAS_CPUFREQ, HAS_PCI, HAS_PASSTHROUGH, 
HAS_NS16550, HAS_KEXEC
      arm: compile tmem
      arm: header files
      arm: bit manipulation, copy and division libraries
      arm: entry.S and head.S
      arm: domain
      arm: domain_build
      arm: driver for CoreLink GIC-400 Generic Interrupt Controller
      arm: mmio handlers
      arm: irq
      arm: mm and p2m
      arm: pl011 UART driver
      arm: early setup code
      arm: shutdown, smp and smpboot
      arm: driver for the generic timer for ARMv7
      arm: trap handlers
      arm: vgic emulation
      arm: vtimer
      arm: makefiles

 config/arm.mk                      |   18 +
 xen/arch/arm/Makefile              |   76 +++++
 xen/arch/arm/Rules.mk              |   29 ++
 xen/arch/arm/asm-offsets.c         |   76 +++++
 xen/arch/arm/domain.c              |  269 ++++++++++++++++
 xen/arch/arm/domain_build.c        |  212 +++++++++++++
 xen/arch/arm/dummy.S               |   72 +++++
 xen/arch/arm/entry.S               |  107 +++++++
 xen/arch/arm/gic.c                 |  473 ++++++++++++++++++++++++++++
 xen/arch/arm/gic.h                 |  154 +++++++++
 xen/arch/arm/head.S                |  298 ++++++++++++++++++
 xen/arch/arm/io.c                  |   51 +++
 xen/arch/arm/io.h                  |   55 ++++
 xen/arch/arm/irq.c                 |  180 +++++++++++
 xen/arch/arm/lib/Makefile          |    5 +
 xen/arch/arm/lib/assembler.h       |   49 +++
 xen/arch/arm/lib/bitops.h          |   36 +++
 xen/arch/arm/lib/changebit.S       |   18 +
 xen/arch/arm/lib/clearbit.S        |   19 ++
 xen/arch/arm/lib/copy_template.S   |  266 ++++++++++++++++
 xen/arch/arm/lib/div64.S           |  149 +++++++++
 xen/arch/arm/lib/findbit.S         |  115 +++++++
 xen/arch/arm/lib/lib1funcs.S       |  302 ++++++++++++++++++
 xen/arch/arm/lib/memcpy.S          |   64 ++++
 xen/arch/arm/lib/memmove.S         |  200 ++++++++++++
 xen/arch/arm/lib/memset.S          |  129 ++++++++
 xen/arch/arm/lib/memzero.S         |  127 ++++++++
 xen/arch/arm/lib/setbit.S          |   18 +
 xen/arch/arm/lib/testchangebit.S   |   18 +
 xen/arch/arm/lib/testclearbit.S    |   18 +
 xen/arch/arm/lib/testsetbit.S      |   18 +
 xen/arch/arm/mm.c                  |  321 +++++++++++++++++++
 xen/arch/arm/p2m.c                 |  214 +++++++++++++
 xen/arch/arm/setup.c               |  206 ++++++++++++
 xen/arch/arm/shutdown.c            |   23 ++
 xen/arch/arm/smp.c                 |   29 ++
 xen/arch/arm/smpboot.c             |   50 +++
 xen/arch/arm/time.c                |  181 +++++++++++
 xen/arch/arm/traps.c               |  609 ++++++++++++++++++++++++++++++++++++
 xen/arch/arm/usercopy.c            |   81 +++++
 xen/arch/arm/vgic.c                |  605 +++++++++++++++++++++++++++++++++++
 xen/arch/arm/vtimer.c              |  148 +++++++++
 xen/arch/arm/vtimer.h              |   35 ++
 xen/arch/arm/xen.lds.S             |  141 +++++++++
 xen/arch/ia64/Rules.mk             |    5 +
 xen/arch/ia64/linux/memcpy_mck.S   |  177 +++++++++++
 xen/arch/x86/Rules.mk              |    5 +
 xen/arch/x86/usercopy.c            |   36 +++
 xen/common/Makefile                |    2 +-
 xen/common/domain.c                |   37 +--
 xen/common/domctl.c                |    1 +
 xen/common/grant_table.c           |    1 +
 xen/common/irq.c                   |    1 +
 xen/common/kernel.c                |    2 +-
 xen/common/keyhandler.c            |    1 +
 xen/common/lib.c                   |   19 ++
 xen/common/libelf/libelf-dominfo.c |    6 +
 xen/common/libelf/libelf-loader.c  |   17 +-
 xen/common/memory.c                |    4 +-
 xen/common/sched_credit2.c         |    6 -
 xen/common/shutdown.c              |    4 +
 xen/common/spinlock.c              |    1 +
 xen/common/tmem.c                  |    3 +-
 xen/common/tmem_xen.c              |    6 +-
 xen/common/wait.c                  |    1 +
 xen/drivers/Makefile               |    6 +-
 xen/drivers/char/Makefile          |    3 +-
 xen/drivers/char/console.c         |    5 +
 xen/drivers/char/pl011.c           |  266 ++++++++++++++++
 xen/drivers/cpufreq/cpufreq.c      |   31 ++
 xen/include/asm-arm/asm_defns.h    |   18 +
 xen/include/asm-arm/atomic.h       |  212 +++++++++++++
 xen/include/asm-arm/bitops.h       |  195 ++++++++++++
 xen/include/asm-arm/bug.h          |   15 +
 xen/include/asm-arm/byteorder.h    |   16 +
 xen/include/asm-arm/cache.h        |   20 ++
 xen/include/asm-arm/config.h       |  122 +++++++
 xen/include/asm-arm/cpregs.h       |  207 ++++++++++++
 xen/include/asm-arm/current.h      |   60 ++++
 xen/include/asm-arm/debugger.h     |   15 +
 xen/include/asm-arm/delay.h        |   15 +
 xen/include/asm-arm/desc.h         |   12 +
 xen/include/asm-arm/div64.h        |  235 ++++++++++++++
 xen/include/asm-arm/domain.h       |   82 +++++
 xen/include/asm-arm/elf.h          |   33 ++
 xen/include/asm-arm/event.h        |   41 +++
 xen/include/asm-arm/flushtlb.h     |   31 ++
 xen/include/asm-arm/grant_table.h  |   35 ++
 xen/include/asm-arm/guest_access.h |  125 ++++++++
 xen/include/asm-arm/hardirq.h      |   28 ++
 xen/include/asm-arm/hypercall.h    |   24 ++
 xen/include/asm-arm/init.h         |   12 +
 xen/include/asm-arm/io.h           |   12 +
 xen/include/asm-arm/iocap.h        |   20 ++
 xen/include/asm-arm/irq.h          |   30 ++
 xen/include/asm-arm/mm.h           |  315 +++++++++++++++++++
 xen/include/asm-arm/multicall.h    |   23 ++
 xen/include/asm-arm/nmi.h          |   15 +
 xen/include/asm-arm/numa.h         |   21 ++
 xen/include/asm-arm/p2m.h          |   88 ++++++
 xen/include/asm-arm/page.h         |  335 ++++++++++++++++++++
 xen/include/asm-arm/paging.h       |   13 +
 xen/include/asm-arm/percpu.h       |   28 ++
 xen/include/asm-arm/processor.h    |  269 ++++++++++++++++
 xen/include/asm-arm/regs.h         |   43 +++
 xen/include/asm-arm/setup.h        |   20 ++
 xen/include/asm-arm/smp.h          |   25 ++
 xen/include/asm-arm/softirq.h      |   15 +
 xen/include/asm-arm/spinlock.h     |  144 +++++++++
 xen/include/asm-arm/string.h       |   38 +++
 xen/include/asm-arm/system.h       |  202 ++++++++++++
 xen/include/asm-arm/time.h         |   26 ++
 xen/include/asm-arm/trace.h        |   12 +
 xen/include/asm-arm/types.h        |   57 ++++
 xen/include/asm-arm/xenoprof.h     |   12 +
 xen/include/asm-ia64/config.h      |    2 +
 xen/include/asm-ia64/uaccess.h     |   12 +
 xen/include/asm-x86/config.h       |    3 +
 xen/include/asm-x86/uaccess.h      |    1 +
 xen/include/public/arch-arm.h      |  125 ++++++++
 xen/include/public/xen.h           |    2 +
 xen/include/xen/domain.h           |    2 +
 xen/include/xen/grant_table.h      |    1 +
 xen/include/xen/irq.h              |   13 +
 xen/include/xen/kernel.h           |   12 +-
 xen/include/xen/libelf.h           |    2 +-
 xen/include/xen/list.h             |    1 +
 xen/include/xen/sched.h            |    4 +
 xen/include/xen/serial.h           |    2 +
 xen/include/xen/time.h             |    1 +
 xen/include/xen/timer.h            |    1 +
 xen/include/xen/tmem_xen.h         |    1 +
 132 files changed, 10355 insertions(+), 56 deletions(-)


A git branch is available here, based on xen-unstable (git CS
367ababd691a023944d648a6d980ccf866b01169):

git://xenbits.xen.org/people/sstabellini/xen-unstable.git arm-v2


Cheers,

Stefano

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