[SCM] GNU Mach branch, master, updated. v1.8-932-gc1d84077

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit c1d8407710ad736974fce4373f9f992775a33516
Author: Luca Dariz <luca@orpolo.org>
Date:   Wed Sep 4 22:18:05 2024 +0200

    add tests for FLOAT/XFLOAT state
    
    Message-ID: <20240904201806.510082-2-luca@orpolo.org>

commit f1e3d1e78f8e72bfb2e518ac0ad5ea273dc54b76
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Sep 8 01:06:46 2024 +0200

    fpu_set_state: return an error on incoherent fp_save_kind

commit e10d0db83b66678a215572d84d23576f5df5a774
Author: Luca Dariz <luca@orpolo.org>
Date:   Wed Sep 4 22:18:04 2024 +0200

    add xfloat thread state interface
    
    * i386/i386/fpu.c: extend current getter and setter to support the
      extended state; move the struct casting here to reuse the locking
      and allocation logic for the thread state; make sure the new state
      is set as valid, otherwise it won't be applied; add
      i386_get_xstate_size() to dynamically retrieve the FPU state size.
    * i386/i386/fpu.h: update prototypes to accept generic thread state
    * i386/i386/pcb.c: forward raw thread state to getter and setter, only
      checking for minimum size and use the new i386_get_xstate_size()
      helper.
    * i386/include/mach/i386/mach_i386.defs: expose the new helper
      i386_get_xstate_size().
    * i386/include/mach/i386/thread_status.h: add interface definition for
      I386_XFLOAT_STATE and the corresponding data structure.
    Message-ID: <20240904201806.510082-1-luca@orpolo.org>

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

Summary of changes:
 i386/i386/fpu.c                        | 141 ++++++++++++++-----
 i386/i386/fpu.h                        |   9 +-
 i386/i386/pcb.c                        |  37 ++++-
 i386/include/mach/i386/mach_i386.defs  |   7 +
 i386/include/mach/i386/thread_status.h |  12 ++
 tests/include/testlib.h                |   1 +
 tests/test-thread-state-fp.c           | 240 +++++++++++++++++++++++++++++++++
 tests/testlib.c                        |  16 +++
 tests/user-qemu.mk                     |   3 +-
 9 files changed, 422 insertions(+), 44 deletions(-)
 create mode 100644 tests/test-thread-state-fp.c


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