[SCM] GNU Mach branch, master, updated. v1.8-172-g4d79b40

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit 4d79b40a53d855c41137fa44bcafa62f5ae9f55d
Author: Samuel Thibault <address@hidden>
Date:   Sun Mar 29 17:13:12 2020 +0200

    Fix 64bit TSS/LDT system descriptors
    
    * i386/i386/seg.h (real_descriptor64): New structure.
    (fill_descriptor64): New function.
    * i386/i386/gdt.h [__x86_64__] (KERNEL_TSS): Set to 0x40 instead of
      0x20.
    [__x86_64__] (USER_TSS): Set to 0x58 instead of 0x30.
    [__x86_64__] (GDTSZ): Set to 12 instead of 11.
    (_fill_gdt_descriptor): New macro.
    (_fill_gdt_descriptor64, fill_gdt_descriptor64): New macros.
    (_fill_gdt_sys_descriptor, fill_gdt_sys_descriptor): New macros.
    * i386/i386/ktss.c (ktss_init): Use fill_gdt_sys_descriptor instead of
    fill_gdt_descriptor to set KERNEL_TSS GDT entry.
    * i386/i386/ldt.c (ldt_init): Likewise for KERNEL_LDT GDT entry.
    * i386/i386/ldt.h (fill_ldt_descriptor, fill_ldt_gate): Use sel_idx
    instead of reimplementing it.
    * i386/i386/mp_desc.c (mp_desc_init): Use _fill_gdt_sys_descriptor
    instead of reimplementing it.

commit 7d26734f9144243f1fa5a0dfbc57a21be4a59472
Author: Samuel Thibault <address@hidden>
Date:   Sun Mar 29 13:54:11 2020 +0200

    Fix gate definition for 64bit.
    
    * i386/i386/seg.h (real_gate): Add offset_ext and reserved fields.
    (fill_gate): Fill offset_ext and reserved fields.

commit 00fe44e565d0ec292bb06a5677ee175cd0851a69
Author: Samuel Thibault <address@hidden>
Date:   Sun Mar 29 17:00:20 2020 +0200

    ldt: do not reload kernel LDT if we are already using it
    
    * i386/i386/pcb.c (switch_ktss): Do not call set_ldt(KERNEL_LDT) if
    get_ldt() is already KERNEL_LDT.

commit 15955354d26cda32bfb88eb150d5661fe66dc9d0
Author: Samuel Thibault <address@hidden>
Date:   Sun Mar 29 16:07:01 2020 +0200

    Share ncom, lpr, PAE definitions between i386 and x86_64
    
    Otherwise the x86_64 configfrag would overwrite i386's.
    
    * i386/configfrag.ac: Remove ncom, nlpr, pae, NCOM, NLPR, PAE
    definitions.
    * i386/configfrag.ac: Remove ncom, nlpr, NCOM, NLPR, PAE
    definitions. Enable PAE.
    * configfrag-first.ac: New file, defines ncom, nlpr, pae.
    * configure.ac: Include configfrag-first.ac
    * configfrag.ac: Define NCOM, NLPR, PAE.

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

Summary of changes:
 configfrag-first.ac  | 29 ++++++++++++++++++++++++++
 configfrag.ac        | 13 ++++++++++++
 configure.ac         |  3 +++
 i386/configfrag.ac   | 19 +----------------
 i386/i386/gdt.h      | 59 ++++++++++++++++++++++++++++++++++++++++++++++++----
 i386/i386/ktss.c     | 10 +++------
 i386/i386/ldt.c      | 12 ++++-------
 i386/i386/ldt.h      |  9 +++++---
 i386/i386/mp_desc.c  |  7 ++-----
 i386/i386/pcb.c      |  3 ++-
 i386/i386/seg.h      | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++
 x86_64/configfrag.ac | 15 +++----------
 12 files changed, 179 insertions(+), 58 deletions(-)
 create mode 100644 configfrag-first.ac


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