| 1 | /* $Id: bs3-rm-InitGdt.c 93115 2022-01-01 11:31:46Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * BS3Kit - Bs3InitGdt
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2007-2022 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #define BS3_USE_RM_TEXT_SEG 1
|
|---|
| 32 | #include "bs3kit-template-header.h"
|
|---|
| 33 | #include <iprt/asm.h>
|
|---|
| 34 |
|
|---|
| 35 |
|
|---|
| 36 | /*********************************************************************************************************************************
|
|---|
| 37 | * Global Variables *
|
|---|
| 38 | *********************************************************************************************************************************/
|
|---|
| 39 |
|
|---|
| 40 |
|
|---|
| 41 | BS3_DECL_FAR(void) Bs3InitGdt_rm_far(void)
|
|---|
| 42 | {
|
|---|
| 43 | #if 0 /* This totaly messes us up when going back to raw-mode for BIOS work. */
|
|---|
| 44 | Bs3Gdte_R0_CS16.Gen.u16LimitLow = Bs3Text16_Size - 1;
|
|---|
| 45 | Bs3Gdte_R1_CS16.Gen.u16LimitLow = Bs3Text16_Size - 1;
|
|---|
| 46 | Bs3Gdte_R2_CS16.Gen.u16LimitLow = Bs3Text16_Size - 1;
|
|---|
| 47 | Bs3Gdte_R3_CS16.Gen.u16LimitLow = Bs3Text16_Size - 1;
|
|---|
| 48 | #endif
|
|---|
| 49 | Bs3Gdte_RMTEXT16_CS.Gen.u16LimitLow = Bs3RmText16_Size - 1;
|
|---|
| 50 | Bs3Gdte_X0TEXT16_CS.Gen.u16LimitLow = Bs3X0Text16_Size - 1;
|
|---|
| 51 | Bs3Gdte_X1TEXT16_CS.Gen.u16LimitLow = Bs3X1Text16_Size - 1;
|
|---|
| 52 |
|
|---|
| 53 | Bs3Gdte_RMTEXT16_CS.Gen.u16BaseLow = (uint16_t)Bs3RmText16_FlatAddr;
|
|---|
| 54 | Bs3Gdte_X0TEXT16_CS.Gen.u16BaseLow = (uint16_t)Bs3X0Text16_FlatAddr;
|
|---|
| 55 | Bs3Gdte_X1TEXT16_CS.Gen.u16BaseLow = (uint16_t)Bs3X1Text16_FlatAddr;
|
|---|
| 56 |
|
|---|
| 57 | Bs3Gdte_RMTEXT16_CS.Gen.u8BaseHigh1 = (uint8_t)(Bs3RmText16_FlatAddr >> 16);
|
|---|
| 58 | Bs3Gdte_X0TEXT16_CS.Gen.u8BaseHigh1 = (uint8_t)(Bs3X0Text16_FlatAddr >> 16);
|
|---|
| 59 | Bs3Gdte_X1TEXT16_CS.Gen.u8BaseHigh1 = (uint8_t)(Bs3X1Text16_FlatAddr >> 16);
|
|---|
| 60 | }
|
|---|
| 61 |
|
|---|
