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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-01-28 01:51:23 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-01-28 02:36:24 +0100 |
| commit | 28d83087776ebdad43a11fa3e687859462de4542 (patch) | |
| tree | e86cecc7ac4dfd13c4eb1500078abe8283fbe7f7 /i386/xen | |
| parent | 338d9ca7981f25099d99d280b0dd3af590d65763 (diff) | |
| download | gnumach-28d83087776ebdad43a11fa3e687859462de4542.tar.gz gnumach-28d83087776ebdad43a11fa3e687859462de4542.tar.bz2 gnumach-28d83087776ebdad43a11fa3e687859462de4542.zip | |
Add initial code for disabling PV descriptors
* xen/configfrag.ac (--disable-pv-descriptors): Add option
* i386/xen/xen_boothdr.S (XEN_ELFNOTE_FEATURES) [!MACH_PV_DESCRIPTORS]: Add
writable_descriptor_tables.
* i386/i386/gdt.c: Turn appropriate MACH_XEN/MACH_HYP tests into
MACH_PV_DESCRIPTORS tests.
* i386/i386/gdt.h: Likewise.
* i386/i386/i386asm.sym: Likewise.
* i386/i386/idt.c: Likewise.
* i386/i386/idt_inittab.S: Likewise.
* i386/i386/ldt.c: Likewise.
* i386/i386/pcb.c: Likewise.
* i386/i386/seg.h: Likewise.
* i386/i386/user_ldt.c: Likewise.
* i386/i386/user_ldt.h: Likewise.
Diffstat (limited to 'i386/xen')
| -rw-r--r-- | i386/xen/xen_boothdr.S | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/i386/xen/xen_boothdr.S b/i386/xen/xen_boothdr.S index eacf0d81..4e2fb512 100644 --- a/i386/xen/xen_boothdr.S +++ b/i386/xen/xen_boothdr.S @@ -36,6 +36,9 @@ #else /* MACH_PSEUDO_PHYS */ .ascii ",FEATURES=!auto_translated_physmap" #endif +#ifndef MACH_PV_DESCRIPTORS + .ascii "|writable_descriptor_tables" +#endif /* MACH_PV_DESCRIPTORS */ .byte 0 /* Macro taken from linux/include/linux/elfnote.h */ @@ -68,8 +71,11 @@ #ifdef MACH_PSEUDO_PHYS "pae_pgdir_above_4gb" #else /* MACH_PSEUDO_PHYS */ - "!auto_translated_physmap|" + "!auto_translated_physmap" #endif +#ifndef MACH_PV_DESCRIPTORS + "|writable_descriptor_tables" +#endif /* MACH_PV_DESCRIPTORS */ ) #include <mach/machine/asm.h> |