[SCM] GNU Mach branch, master, updated. v1.8-197-g2dbf108

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit 2dbf108457d0a0057cc63d5b3b89fd4da48d2a72
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Thu Jul 9 22:28:58 2020 +0200

    Add vm_allocate_contiguous RPC
    
    This allows privileged userland drivers to allocate buffers for e.g. DMA,
    and thus need them to be physically contiguous and get their physical
    address.
    
    Initial work by Zheng Da, reworked by Richard Braun, Damien Zammit, and
    myself.
    
    * doc/mach.texi (vm_allocate_contiguous): New RPC.
    * i386/include/mach/i386/machine_types.defs (rpc_phys_addr_t): New type.
    * i386/include/mach/i386/vm_types.h [!MACH_KERNEL] (phys_addr_t): Set
    type to 64bits.
    (rpc_phys_addr_t): New type, always 64bits.
    * include/mach/gnumach.defs (vm_allocate_contiguous):New RPC.
    * vm/vm_user.c (vm_allocate_contiguous): New function.

commit d7d9a1e104c21183506935f26d59bb00161bd797
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Thu Jul 9 22:38:36 2020 +0200

    Add experimental RPC infrastructure
    
    This is free for experimenting RPCs, with no backward compatibility 
guarantees.
    
    * Makefrag.am (EXTRA_DIST): Add kern/experimental.srv.
    (include_mach_HEADERS): Add include/mach/experimental.defs.
    (nodist_lib_dep_tr_for_defs_a_SOURCES): Add
    kern/experimental.server.defs.c.
    (nodist_libkernel_a_SOURCES): Add kern/experimental.server.h,
    kern/experimental.server.c, kern/experimental.server.msgids.
    (nodist_libkernel_a_SOURCES): Add kern/experimental.server.defs.
    * include/mach/experimental.defs: New file.
    * kern/experimental.srv: New file.
    * kern/ipc_kobject.c: Include <kern/experimental.server.h>.
    (ipc_kobject_server): Call experimental_server_routine.

-----------------------------------------------------------------------

Summary of changes:
 Makefrag.am                               |   7 ++
 doc/mach.texi                             |  24 ++++++
 i386/include/mach/i386/machine_types.defs |   5 ++
 i386/include/mach/i386/vm_types.h         |   5 ++
 include/mach/experimental.defs            |  15 ++++
 include/mach/gnumach.defs                 |  24 ++++++
 kern/experimental.srv                     |   3 +
 kern/ipc_kobject.c                        |   2 +
 vm/vm_user.c                              | 126 ++++++++++++++++++++++++++++++
 9 files changed, 211 insertions(+)
 create mode 100644 include/mach/experimental.defs
 create mode 100644 kern/experimental.srv


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