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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-01-28 01:51:23 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-01-28 02:36:24 +0100
commit28d83087776ebdad43a11fa3e687859462de4542 (patch)
treee86cecc7ac4dfd13c4eb1500078abe8283fbe7f7 /xen
parent338d9ca7981f25099d99d280b0dd3af590d65763 (diff)
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 'xen')
-rw-r--r--xen/configfrag.ac14
1 files changed, 13 insertions, 1 deletions
diff --git a/xen/configfrag.ac b/xen/configfrag.ac
index eb68996..d0705a4 100644
--- a/xen/configfrag.ac
+++ b/xen/configfrag.ac
@@ -25,8 +25,10 @@ dnl 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
AC_DEFINE([MACH_HYP], [], [be a hypervisor guest])
AM_CONDITIONAL([PLATFORM_xen], [true])
+dnl These are experimental
+
AC_ARG_ENABLE([pseudo-phys],
- AS_HELP_STRING([--enable-pseudo-phys], [Pseudo physical support]))
+ AS_HELP_STRING([--disable-pseudo-phys], [Pseudo physical pages support]))
[if [ x"$enable_pseudo_phys" = xno ]; then]
AM_CONDITIONAL([enable_pseudo_phys], [false])
[else]
@@ -34,9 +36,19 @@ dnl 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
AM_CONDITIONAL([enable_pseudo_phys], [true])
[fi]
+ AC_ARG_ENABLE([pv-descriptors],
+ AS_HELP_STRING([--disable-pv-descriptors], [Paravirtualized segment descriptors support]))
+ [if [ x"$enable_pv_descriptors" = xno ]; then]
+ AM_CONDITIONAL([enable_pv_descriptors], [false])
+ [else]
+ AC_DEFINE([MACH_PV_DESCRIPTORS], [], [Enable paravirtualized segment descriptors support])
+ AM_CONDITIONAL([enable_pv_descriptors], [true])
+ [fi]
+
[else]
AM_CONDITIONAL([PLATFORM_xen], [false])
AM_CONDITIONAL([enable_pseudo_phys], [false])
+ AM_CONDITIONAL([enable_pv_descriptors], [false])
[fi]
dnl Local Variables: