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commit 4d79b40a53d855c41137fa44bcafa62f5ae9f55d
Author: Samuel Thibault <samuel.thiba...@ens-lyon.org>
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 <samuel.thiba...@ens-lyon.org>
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 <samuel.thiba...@ens-lyon.org>
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 <samuel.thiba...@ens-lyon.org>
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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