From 97c4f6c00218c8cf74f75a8466c4254cdfba160b Mon Sep 17 00:00:00 2001 From: "kaf24@scramble.cl.cam.ac.uk" Date: Mon, 14 Apr 2003 16:31:59 +0000 Subject: bitkeeper revision 1.165 (3e9ae27fgvCRUGxAZJ70ClZ8aKWQkw) Many files: Virtualised the GDT. Also some progress in virtualising the LDT. --- tools/domain_builder/dom_builder.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/domain_builder/dom_builder.c b/tools/domain_builder/dom_builder.c index a402aef99c..1370c96df5 100644 --- a/tools/domain_builder/dom_builder.c +++ b/tools/domain_builder/dom_builder.c @@ -23,8 +23,13 @@ #define GUEST_SIG "XenoGues" #define SIG_LEN 8 -#define L1_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_USER|_PAGE_ACCESSED) -#define L2_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_USER|_PAGE_ACCESSED|_PAGE_DIRTY) +/* + * NB. No ring-3 access in initial guestOS pagetables. Note that we allow + * ring-3 privileges in the page directories, so that the guestOS may later + * decide to share a 4MB region with applications. + */ +#define L1_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED) +#define L2_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER) /* standardized error reporting function */ static void dberr(char *msg) -- cgit v1.2.3