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authorRoland McGrath <roland@gnu.org>2002-04-23 21:31:06 +0000
committerRoland McGrath <roland@gnu.org>2002-04-23 21:31:06 +0000
commitdd267ba547c2a922656528e11ed83b605cee0052 (patch)
treea20f60f34ac3141a605925e62bcf6318763d3f4d /i386
parente09590cba6e2869f8f3fa45b0c5a7d46bb0a5632 (diff)
2002-04-23 Roland McGrath <roland@frob.com>
* i386/i386/ldt.c (ldt_init): Fix fencepost error in segment limits.
Diffstat (limited to 'i386')
-rw-r--r--i386/i386/ldt.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/i386/i386/ldt.c b/i386/i386/ldt.c
index a2b125c..7299377 100644
--- a/i386/i386/ldt.c
+++ b/i386/i386/ldt.c
@@ -1,25 +1,25 @@
-/*
+/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
- *
+ *
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
- *
+ *
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
+ *
* Carnegie Mellon requests users of this software to return to
- *
+ *
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
- *
+ *
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
@@ -51,14 +51,15 @@ ldt_init()
(vm_offset_t)&syscall, KERNEL_CS,
ACC_PL_U|ACC_CALL_GATE, 0);
fill_ldt_descriptor(USER_CS,
- VM_MIN_ADDRESS, VM_MAX_ADDRESS-VM_MIN_ADDRESS,
+ VM_MIN_ADDRESS,
+ VM_MAX_ADDRESS-VM_MIN_ADDRESS-4096,
/* XXX LINEAR_... */
ACC_PL_U|ACC_CODE_R, SZ_32);
fill_ldt_descriptor(USER_DS,
- VM_MIN_ADDRESS, VM_MAX_ADDRESS-VM_MIN_ADDRESS,
+ VM_MIN_ADDRESS,
+ VM_MAX_ADDRESS-VM_MIN_ADDRESS-4096,
ACC_PL_U|ACC_DATA_W, SZ_32);
/* Activate the LDT. */
lldt(KERNEL_LDT);
}
-