diff options
Diffstat (limited to 'i386/util/i16/i16_gdt_init_temp.c')
| -rw-r--r-- | i386/util/i16/i16_gdt_init_temp.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/i386/util/i16/i16_gdt_init_temp.c b/i386/util/i16/i16_gdt_init_temp.c deleted file mode 100644 index 14f2d0e..0000000 --- a/i386/util/i16/i16_gdt_init_temp.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright (c) 1995-1994 The University of Utah and - * the Computer Systems Laboratory at the University of Utah (CSL). - * All rights reserved. - * - * Permission to use, copy, modify and distribute this software is hereby - * granted provided that (1) source code retains these copyright, permission, - * and disclaimer notices, and (2) redistributions including binaries - * reproduce the notices in supporting documentation, and (3) all advertising - * materials mentioning features or use of this software display the following - * acknowledgement: ``This product includes software developed by the - * Computer Systems Laboratory at the University of Utah.'' - * - * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS - * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF - * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * CSL requests users of this software to return to csl-dist@cs.utah.edu any - * improvements that they make and grant CSL redistribution rights. - * - * Author: Bryan Ford, University of Utah CSL - */ - -#include <mach/machine/code16.h> -#include <mach/machine/seg.h> - -#include "vm_param.h" -#include "cpu.h" - - -CODE16 - -/* This 16-bit function initializes CPU 0's GDT - just enough to get in and out of protected (and possibly paged) mode, - with all addresses assuming identity-mapped memory. */ -void i16_gdt_init_temp() -{ - /* Create temporary kernel code and data segment descriptors. - (They'll be reinitialized later after paging is enabled.) */ - i16_fill_gdt_descriptor(&cpu[0], KERNEL_CS, - boot_image_pa, 0xffffffff, - ACC_PL_K|ACC_CODE_R, SZ_32); - i16_fill_gdt_descriptor(&cpu[0], KERNEL_DS, - boot_image_pa, 0xffffffff, - ACC_PL_K|ACC_DATA_W, SZ_32); - i16_fill_gdt_descriptor(&cpu[0], KERNEL_16_CS, - boot_image_pa, 0xffff, - ACC_PL_K|ACC_CODE_R, SZ_16); - i16_fill_gdt_descriptor(&cpu[0], KERNEL_16_DS, - boot_image_pa, 0xffff, - ACC_PL_K|ACC_DATA_W, SZ_16); -} - |