diff options
| -rw-r--r-- | i386/i386/ldt.c | 19 |
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); } - |