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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/ValidationKit/bootsectors/bs3kit/bs3-rm-InitAll.c
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/ValidationKit/bootsectors/bs3kit/bs3-rm-InitAll.c')
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diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-rm-InitAll.c b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-rm-InitAll.c
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+++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-rm-InitAll.c
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+/* $Id: bs3-rm-InitAll.c $ */
+/** @file
+ * BS3Kit - Initialize all components, real mode.
+ */
+
+/*
+ * Copyright (C) 2007-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+//#define BS3_USE_RM_TEXT_SEG 1
+#include "bs3kit-template-header.h"
+#include "bs3-cmn-test.h"
+#include <iprt/asm-amd64-x86.h>
+
+BS3_MODE_PROTO_NOSB(void, Bs3EnteredMode,(void));
+
+
+BS3_DECL(void) Bs3InitAll_rm(void)
+{
+ uint8_t volatile BS3_FAR *pcTicksFlpyOff;
+
+ /*
+ * Detect CPU first as the memory init code will otherwise use 386
+ * instrunctions and cause trouble on older CPUs.
+ */
+ Bs3CpuDetect_rm_far();
+ Bs3InitMemory_rm_far();
+ Bs3InitGdt_rm_far();
+
+ /*
+ * Before we disable all interrupts, try convince the BIOS to stop the
+ * floppy motor, as it is kind of disturbing when the floppy light remains
+ * on for the whole testcase execution.
+ */
+ ASMIntDisable(); /* (probably already disabled, but no guarantees) */
+ pcTicksFlpyOff = (uint8_t volatile BS3_FAR *)BS3_FP_MAKE(0x40, 0x40);
+ if (*pcTicksFlpyOff)
+ {
+ uint32_t volatile BS3_FAR *pcTicks = (uint32_t volatile BS3_FAR *)BS3_FP_MAKE(0x40, 0x6c);
+ uint32_t cInitialTicks;
+
+ *pcTicksFlpyOff = 1; /* speed up the countdown, don't want to wait for two seconds here. */
+ cInitialTicks = *pcTicks;
+ ASMIntEnable();
+
+ while (*pcTicks == cInitialTicks)
+ ASMHalt();
+ }
+ ASMIntDisable();
+ Bs3PicSetup(false /*fForcedReInit*/);
+
+ /*
+ * Initialize IDTs and such.
+ */
+ if (g_uBs3CpuDetected & BS3CPU_F_LONG_MODE)
+ Bs3Trap64Init();
+ if ((g_uBs3CpuDetected & BS3CPU_TYPE_MASK) >= BS3CPU_80386)
+ Bs3Trap32Init();
+ if ((g_uBs3CpuDetected & BS3CPU_TYPE_MASK) >= BS3CPU_80286)
+ Bs3Trap16Init();
+ Bs3TrapRmV86Init();
+
+ /*
+ * Perform a real-mode enter to make some final environment adjustments
+ * (like installing our syscall).
+ */
+ Bs3EnteredMode_rm();
+}
+