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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/bs3kit-template-header.h
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>
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+/* $Id: bs3kit-template-header.h $ */
+/** @file
+ * BS3Kit header for multi-mode code templates.
+ */
+
+/*
+ * 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
+ */
+
+#include "bs3kit.h"
+
+/** @defgroup grp_bs3kit_tmpl Multi-Mode Code Templates
+ * @ingroup grp_bs3kit
+ *
+ * Multi-mode code templates avoid duplicating code for each of the CPU modes.
+ * Instead the code is compiled multiple times, either via multiple inclusions
+ * into a source files with different mode selectors defined or by multiple
+ * compiler invocations.
+ *
+ * In C/C++ code we're restricted to the compiler target bit count, whereas in
+ * assembly we can do everything in assembler run (with some 64-bit
+ * restrictions, that is).
+ *
+ * Before \#defining the next mode selector and including
+ * bs3kit-template-header.h again, include bs3kit-template-footer.h to undefine
+ * all the previous mode selectors and the macros defined by the header.
+ *
+ * @{
+ */
+
+#ifdef DOXYGEN_RUNNING
+/** @name Template mode selectors.
+ *
+ * Exactly one of these are defined by the file including the
+ * bs3kit-template-header.h header file. When building the code libraries, the
+ * kBuild target defines this.
+ *
+ * @{ */
+# define TMPL_RM /**< real mode. */
+
+# define TMPL_PE16 /**< 16-bit protected mode kernel+tss, running 16-bit code, unpaged. */
+# define TMPL_PE16_32 /**< 16-bit protected mode kernel+tss, running 32-bit code, unpaged. */
+# define TMPL_PE16_V86 /**< 16-bit protected mode kernel+tss, running virtual 8086 mode code, unpaged. */
+# define TMPL_PE32 /**< 32-bit protected mode kernel+tss, running 32-bit code, unpaged. */
+# define TMPL_PE32_16 /**< 32-bit protected mode kernel+tss, running 16-bit code, unpaged. */
+# define TMPL_PEV86 /**< 32-bit protected mode kernel+tss, running virtual 8086 mode code, unpaged. */
+
+# define TMPL_PP16 /**< 16-bit protected mode kernel+tss, running 16-bit code, paged. */
+# define TMPL_PP16_32 /**< 16-bit protected mode kernel+tss, running 32-bit code, paged. */
+# define TMPL_PP16_V86 /**< 16-bit protected mode kernel+tss, running virtual 8086 mode code, paged. */
+# define TMPL_PP32 /**< 32-bit protected mode kernel+tss, running 32-bit code, paged. */
+# define TMPL_PP32_16 /**< 32-bit protected mode kernel+tss, running 16-bit code, paged. */
+# define TMPL_PPV86 /**< 32-bit protected mode kernel+tss, running virtual 8086 mode code, paged. */
+
+# define TMPL_PAE16 /**< 16-bit protected mode kernel+tss, running 16-bit code, PAE paging. */
+# define TMPL_PAE16_32 /**< 16-bit protected mode kernel+tss, running 32-bit code, PAE paging. */
+# define TMPL_PAE16_V86 /**< 16-bit protected mode kernel+tss, running virtual 8086 mode code, PAE paging. */
+# define TMPL_PAE32 /**< 32-bit protected mode kernel+tss, running 32-bit code, PAE paging. */
+# define TMPL_PAE32_16 /**< 32-bit protected mode kernel+tss, running 16-bit code, PAE paging. */
+# define TMPL_PAEV86 /**< 32-bit protected mode kernel+tss, running virtual 8086 mode code, PAE paging. */
+
+# define TMPL_LM16 /**< 16-bit long mode (paged), kernel+tss always 64-bit. */
+# define TMPL_LM32 /**< 32-bit long mode (paged), kernel+tss always 64-bit. */
+# define TMPL_LM64 /**< 64-bit long mode (paged), kernel+tss always 64-bit. */
+/** @} */
+
+/** @name Derived Indicators
+ * @{ */
+# define TMPL_CMN_PE /**< TMPL_PE16 | TMPL_PE16_32 | TMPL_PE16_V86 | TMPL_PE32 | TMPL_PE32_16 | TMPL_PEV86 */
+# define TMPL_SYS_PE16 /**< TMPL_PE16 | TMPL_PE16_32 | TMPL_PE16_V86 */
+# define TMPL_SYS_PE32 /**< TMPL_PE32 | TMPL_PE32_16 | TMPL_PEV86 */
+# define TMPL_CMN_PP /**< TMPL_PP16 | TMPL_PP16_32 | TMPL_PP16_V86 | TMPL_PP32 | TMPL_PP32_16 | TMPL_PPV86 */
+# define TMPL_SYS_PP16 /**< TMPL_PP16 | TMPL_PP16_32 | TMPL_PP16_V86 */
+# define TMPL_SYS_PP32 /**< TMPL_PP32 | TMPL_PP32_16 | TMPL_PPV86 */
+# define TMPL_CMN_PAE /**< TMPL_PAE16 | TMPL_PAE16_32 | TMPL_PAE16_V86 | TMPL_PAE32 | TMPL_PAE32_16 | TMPL_PAEV86 */
+# define TMPL_SYS_PAE16 /**< TMPL_PAE16 | TMPL_PAE16_32 | TMPL_PAE16_V86 */
+# define TMPL_SYS_PAE32 /**< TMPL_PAE32 | TMPL_PAE32_16 | TMPL_PAEV86 */
+# define TMPL_CMN_LM /**< TMPL_LM16 | TMPL_LM32 | TMPL_LM64 */
+# define TMPL_CMN_V86 /**< TMPL_PEV86 | TMPL_PE16_V86 | TMPL_PPV86 | TMPL_PP16_V86 | TMPL_PAEV86 | TMPL_PAE16_V86 */
+# define TMPL_CMN_R86 /**< TMPL_CMN_V86 | TMPL_RM */
+# define TMPL_CMN_PAGING /**< TMPL_CMN_PP | TMPL_CMN_PAE | TMPL_CMN_LM */
+# define TMPL_CMN_WEIRD /**< TMPL_PE16_32 | TMPL_PE32_16 | TMPL_PP16_32 | TMPL_PP32_16 | TMPL_PAE16_32 | TMPL_PAE32_16 | TMPL_CMN_WEIRD_V86 */
+# define TMPL_CMN_WEIRD_V86 /**< TMPL_PE16_V86 | TMPL_PP16_V86 | TMPL_PAE16_V86 */
+/** @} */
+
+/** @def TMPL_NM
+ * Name mangling macro for the current mode.
+ *
+ * Example: TMPL_NM(PrintChr)
+ *
+ * @param Name The function or variable name to mangle.
+ * @sa #TMPL_FAR_NM, #BS3_CMN_NM, #BS3_CMN_FAR_NM
+ */
+# define TMPL_NM(Name) RT_CONCAT(Name,_mode)
+
+/** @def TMPL_FAR_NM
+ * Name mangling macro for the current mode into a far function name.
+ *
+ * In 32-bit and 64-bit code this does not differ from #TMPL_NM.
+ *
+ * Example: TMPL_FAR_NM(PrintChr)
+ *
+ * @param Name The function or variable name to mangle.
+ * @sa #TMPL_NM, #BS3_CMN_FAR_NM, #BS3_CMN_NM
+ */
+# define TMPL_FAR_NM(Name) RT_CONCAT3(Name,_mode,_far)
+
+/** @def TMPL_MODE_STR
+ * Short mode description. */
+# define TMPL_MODE_STR
+
+/** @def TMPL_HAVE_BIOS
+ * Indicates that we have direct access to the BIOS (only in real mode). */
+# define TMPL_HAVE_BIOS
+
+
+/** @name For ASM compatability
+ * @{ */
+/** @def TMPL_16BIT
+ * For ASM compatibility - please use ARCH_BITS == 16. */
+# define TMPL_16BIT
+/** @def TMPL_32BIT
+ * For ASM compatibility - please use ARCH_BITS == 32. */
+# define TMPL_32BIT
+/** @def TMPL_64BIT
+ * For ASM compatibility - please use ARCH_BITS == 64. */
+# define TMPL_64BIT
+
+/** @def TMPL_BITS
+ * For ASM compatibility - please use ARCH_BITS instead. */
+# define TMPL_BITS ARCH_BITS
+/** @} */
+
+#else /* !DOXYGEN_RUNNING */
+
+//#undef BS3_CMN_NM
+//#undef BS3_CMN_FAR_NM
+
+
+/*
+ * Convert TMPL_XXX to TMPL_MODE.
+ */
+#ifndef TMPL_MODE
+# ifdef TMPL_RM
+# define TMPL_MODE BS3_MODE_RM
+# elif defined(TMPL_PE16)
+# define TMPL_MODE BS3_MODE_PE16
+# elif defined(TMPL_PE16_32)
+# define TMPL_MODE BS3_MODE_PE16_32
+# elif defined(TMPL_PE16_V86)
+# define TMPL_MODE BS3_MODE_PE16_V86
+# elif defined(TMPL_PE32)
+# define TMPL_MODE BS3_MODE_PE32
+# elif defined(TMPL_PE32_16)
+# define TMPL_MODE BS3_MODE_PE32_16
+# elif defined(TMPL_PEV86)
+# define TMPL_MODE BS3_MODE_PEV86
+# elif defined(TMPL_PP16)
+# define TMPL_MODE BS3_MODE_PP16
+# elif defined(TMPL_PP16_32)
+# define TMPL_MODE BS3_MODE_PP16_32
+# elif defined(TMPL_PP16_V86)
+# define TMPL_MODE BS3_MODE_PP16_V86
+# elif defined(TMPL_PP32)
+# define TMPL_MODE BS3_MODE_PP32
+# elif defined(TMPL_PP32_16)
+# define TMPL_MODE BS3_MODE_PP32_16
+# elif defined(TMPL_PPV86)
+# define TMPL_MODE BS3_MODE_PPV86
+# elif defined(TMPL_PAE16)
+# define TMPL_MODE BS3_MODE_PAE16
+# elif defined(TMPL_PAE16_32)
+# define TMPL_MODE BS3_MODE_PAE16_32
+# elif defined(TMPL_PAE16_V86)
+# define TMPL_MODE BS3_MODE_PAE16_V86
+# elif defined(TMPL_PAE32)
+# define TMPL_MODE BS3_MODE_PAE32
+# elif defined(TMPL_PAE32_16)
+# define TMPL_MODE BS3_MODE_PAE32_16
+# elif defined(TMPL_PAEV86)
+# define TMPL_MODE BS3_MODE_PAEV86
+# elif defined(TMPL_LM16)
+# define TMPL_MODE BS3_MODE_LM16
+# elif defined(TMPL_LM32)
+# define TMPL_MODE BS3_MODE_LM32
+# elif defined(TMPL_LM64)
+# define TMPL_MODE BS3_MODE_LM64
+# else
+# error "Unable to to figure out the template mode."
+# endif
+#endif
+
+
+/*
+ * Check the code bitness and set derived defines.
+ */
+#if (TMPL_MODE & BS3_MODE_CODE_MASK) == BS3_MODE_CODE_16
+# if ARCH_BITS != 16
+# error "BS3_MODE_CODE_16 requires ARCH_BITS to be 16."
+# endif
+# define TMPL_16BIT
+# define TMPL_BITS 16
+# define TMPL_UNDERSCORE _
+//# define BS3_CMN_NM(Name) RT_CONCAT(Name,_c16)
+//# define BS3_CMN_FAR_NM(Name) RT_CONCAT(Name,_f16)
+
+
+#elif (TMPL_MODE & BS3_MODE_CODE_MASK) == BS3_MODE_CODE_32
+# if ARCH_BITS != 32
+# error "BS3_MODE_CODE_32 requires ARCH_BITS to be 32."
+# endif
+# define TMPL_32BIT
+# define TMPL_BITS 32
+# define TMPL_UNDERSCORE _
+//# define BS3_CMN_NM(Name) RT_CONCAT(Name,_c32)
+//# define BS3_CMN_FAR_NM(a_Name) RT_CONCAT(Name,_c32)
+
+#elif (TMPL_MODE & BS3_MODE_CODE_MASK) == BS3_MODE_CODE_V86
+# if ARCH_BITS != 16
+# error "BS3_MODE_CODE_V86 requires ARCH_BITS to be 16."
+# endif
+# define TMPL_16BIT
+# define TMPL_BITS 16
+# define TMPL_UNDERSCORE _
+//# define BS3_CMN_NM(Name) RT_CONCAT(Name,_c16)
+//# define BS3_CMN_FAR_NM(Name) RT_CONCAT(Name,_f16)
+# define TMPL_CMN_R86
+# define TMPL_CMN_V86
+
+#elif (TMPL_MODE & BS3_MODE_CODE_MASK) == BS3_MODE_CODE_64
+# if ARCH_BITS != 64
+# error "BS3_MODE_CODE_64 requires ARCH_BITS to be 64."
+# endif
+# define TMPL_64BIT
+# define TMPL_BITS 64
+# define TMPL_UNDERSCORE
+//# define BS3_CMN_NM(Name) RT_CONCAT(Name,_c64)
+//# define BS3_CMN_FAR_NM(a_Name) RT_CONCAT(Name,_c64)
+
+#else
+# error "Invalid TMPL_MODE value!"
+#endif
+
+
+/*
+ * Check the system specific mask and set derived values.
+ */
+#if (TMPL_MODE & BS3_MODE_SYS_MASK) == BS3_MODE_SYS_RM
+# define TMPL_HAVE_BIOS
+# define TMPL_CMN_R86
+
+#elif (TMPL_MODE & BS3_MODE_SYS_MASK) == BS3_MODE_SYS_PE16
+# define TMPL_SYS_PE16
+# define TMPL_CMN_PE
+
+#elif (TMPL_MODE & BS3_MODE_SYS_MASK) == BS3_MODE_SYS_PE32
+# define TMPL_SYS_PE32
+# define TMPL_CMN_PE
+
+#elif (TMPL_MODE & BS3_MODE_SYS_MASK) == BS3_MODE_SYS_PP16
+# define TMPL_SYS_PP16
+# define TMPL_CMN_PP
+# define TMPL_CMN_PAGING
+
+#elif (TMPL_MODE & BS3_MODE_SYS_MASK) == BS3_MODE_SYS_PP32
+# define TMPL_SYS_PP32
+# define TMPL_CMN_PP
+# define TMPL_CMN_PAGING
+
+#elif (TMPL_MODE & BS3_MODE_SYS_MASK) == BS3_MODE_SYS_PAE16
+# define TMPL_SYS_PAE16
+# define TMPL_CMN_PAE
+# define TMPL_CMN_PAGING
+
+#elif (TMPL_MODE & BS3_MODE_SYS_MASK) == BS3_MODE_SYS_PAE32
+# define TMPL_SYS_PAE32
+# define TMPL_CMN_PAE
+# define TMPL_CMN_PAGING
+
+#elif (TMPL_MODE & BS3_MODE_SYS_MASK) == BS3_MODE_SYS_LM
+# define TMPL_SYS_LM
+# define TMPL_CMN_LM
+# define TMPL_CMN_PAGING
+
+#else
+# error "Invalid TMPL_MODE value!"
+#endif
+
+
+/*
+ * Mode specific stuff.
+ */
+#if TMPL_MODE == BS3_MODE_RM
+# define TMPL_RM 1
+# define TMPL_MODE_STR "real mode"
+# define TMPL_NM(Name) RT_CONCAT(Name,_rm)
+# define TMPL_MODE_LNAME rm
+# define TMPL_MODE_UNAME RM
+
+
+#elif TMPL_MODE == BS3_MODE_PE16
+# define TMPL_PE16 1
+# define TMPL_MODE_STR "16-bit prot, 16-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pe16)
+# define TMPL_MODE_LNAME pe16
+# define TMPL_MODE_UNAME PE16
+
+#elif TMPL_MODE == BS3_MODE_PE16_32
+# define TMPL_PE16_32 1
+# define TMPL_MODE_STR "16-bit prot, 32-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pe16_32)
+# define TMPL_MODE_LNAME pe16_32
+# define TMPL_MODE_UNAME PE16_32
+# define TMPL_CMN_WEIRD
+
+#elif TMPL_MODE == BS3_MODE_PE16_V86
+# define TMPL_PE16_V86 1
+# define TMPL_MODE_STR "16-bit prot, v8086"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pe16_v86)
+# define TMPL_MODE_LNAME pe16_v86
+# define TMPL_MODE_UNAME PE16_v86
+# define TMPL_CMN_WEIRD
+# define TMPL_CMN_WEIRD_V86
+
+
+#elif TMPL_MODE == BS3_MODE_PE32
+# define TMPL_PE32 1
+# define TMPL_MODE_STR "32-bit prot, 32-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pe32)
+# define TMPL_MODE_LNAME pe32
+# define TMPL_MODE_UNAME PE32
+
+#elif TMPL_MODE == BS3_MODE_PE32_16
+# define TMPL_PE32_16 1
+# define TMPL_MODE_STR "32-bit prot, 16-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pe32_16)
+# define TMPL_MODE_LNAME pe32_16
+# define TMPL_MODE_UNAME PE32_16
+# define TMPL_CMN_WEIRD
+
+#elif TMPL_MODE == BS3_MODE_PEV86
+# define TMPL_PEV86 1
+# define TMPL_MODE_STR "32-bit prot, v8086"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pev86)
+# define TMPL_MODE_LNAME pev86
+# define TMPL_MODE_UNAME PEV86
+
+
+#elif TMPL_MODE == BS3_MODE_PP16
+# define TMPL_PP16 1
+# define TMPL_MODE_STR "16-bit paged, 16-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pp16)
+# define TMPL_MODE_LNAME pp16
+# define TMPL_MODE_UNAME PP16
+
+#elif TMPL_MODE == BS3_MODE_PP16_32
+# define TMPL_PP16_32 1
+# define TMPL_MODE_STR "16-bit paged, 32-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pp16_32)
+# define TMPL_MODE_LNAME pp16_32
+# define TMPL_MODE_UNAME PP16_32
+# define TMPL_CMN_WEIRD
+
+#elif TMPL_MODE == BS3_MODE_PP16_V86
+# define TMPL_PP16_V86 1
+# define TMPL_MODE_STR "16-bit paged, v8086"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pp16_v86)
+# define TMPL_MODE_LNAME pp16_v86
+# define TMPL_MODE_UNAME PP16_v86
+# define TMPL_CMN_WEIRD
+# define TMPL_CMN_WEIRD_V86
+
+
+#elif TMPL_MODE == BS3_MODE_PP32
+# define TMPL_PP32 1
+# define TMPL_MODE_STR "32-bit paged, 32-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pp32)
+# define TMPL_MODE_LNAME pp32
+# define TMPL_MODE_UNAME PP32
+
+#elif TMPL_MODE == BS3_MODE_PP32_16
+# define TMPL_PP32_16 1
+# define TMPL_MODE_STR "32-bit paged, 16-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pp32_16)
+# define TMPL_MODE_LNAME pp32_16
+# define TMPL_MODE_UNAME PP32_16
+# define TMPL_CMN_WEIRD
+
+#elif TMPL_MODE == BS3_MODE_PPV86
+# define TMPL_PPV86 1
+# define TMPL_MODE_STR "32-bit paged, v8086"
+# define TMPL_NM(Name) RT_CONCAT(Name,_ppv86)
+# define TMPL_MODE_LNAME ppv86
+# define TMPL_MODE_UNAME PPV86
+
+
+#elif TMPL_MODE == BS3_MODE_PAE16
+# define TMPL_PAE16 1
+# define TMPL_MODE_STR "16-bit pae, 16-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pae16)
+# define TMPL_MODE_LNAME pae16
+# define TMPL_MODE_UNAME PAE16
+
+#elif TMPL_MODE == BS3_MODE_PAE16_32
+# define TMPL_PAE16_32 1
+# define TMPL_MODE_STR "16-bit pae, 32-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pae16_32)
+# define TMPL_MODE_LNAME pae16_32
+# define TMPL_MODE_UNAME PAE16_32
+# define TMPL_CMN_WEIRD
+
+#elif TMPL_MODE == BS3_MODE_PAE16_V86
+# define TMPL_PAE16_V86 1
+# define TMPL_MODE_STR "16-bit pae, v8086"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pae16_v86)
+# define TMPL_MODE_LNAME pae16_v86
+# define TMPL_MODE_UNAME PAE16_v86
+# define TMPL_CMN_WEIRD
+# define TMPL_CMN_WEIRD_V86
+
+
+#elif TMPL_MODE == BS3_MODE_PAE32
+# define TMPL_PAE32 1
+# define TMPL_MODE_STR "32-bit pae, 32-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pae32)
+# define TMPL_MODE_LNAME pae32
+# define TMPL_MODE_UNAME PAE32
+
+#elif TMPL_MODE == BS3_MODE_PAE32_16
+# define TMPL_PAE32_16 1
+# define TMPL_MODE_STR "32-bit pae, 32-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_pae32_16)
+# define TMPL_MODE_LNAME pae32_16
+# define TMPL_MODE_UNAME PAE32_16
+# define TMPL_CMN_WEIRD
+
+#elif TMPL_MODE == BS3_MODE_PAEV86
+# define TMPL_PAEV86 1
+# define TMPL_MODE_STR "32-bit pae, v8086 pae"
+# define TMPL_NM(Name) RT_CONCAT(Name,_paev86)
+# define TMPL_MODE_LNAME paev86
+# define TMPL_MODE_UNAME PAEV86
+
+
+#elif TMPL_MODE == BS3_MODE_LM16
+# define TMPL_LM16 1
+# define TMPL_MODE_STR "long, 16-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_lm16)
+# define TMPL_MODE_LNAME lm16
+# define TMPL_MODE_UNAME LM16
+
+#elif TMPL_MODE == BS3_MODE_LM32
+# define TMPL_LM32 1
+# define TMPL_MODE_STR "long, 32-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_lm32)
+# define TMPL_MODE_LNAME lm32
+# define TMPL_MODE_UNAME LM32
+
+#elif TMPL_MODE == BS3_MODE_LM64
+# define TMPL_LM64 1
+# define TMPL_MODE_STR "long, 64-bit"
+# define TMPL_NM(Name) RT_CONCAT(Name,_lm64)
+# define TMPL_MODE_LNAME lm64
+# define TMPL_MODE_UNAME LM64
+
+#else
+# error "Invalid TMPL_MODE value!!"
+#endif
+
+
+#if TMPL_MODE & (BS3_MODE_CODE_16 | BS3_MODE_CODE_V86)
+# define TMPL_FAR_NM(Name) RT_CONCAT3(TMPL_NM(Name),_f,ar) /* _far and far may be #defined already. */
+#else
+# define TMPL_FAR_NM(Name) TMPL_NM(Name)
+#endif
+
+
+/** @def BS3_MODE_DEF
+ * Macro for defining a mode specific function.
+ *
+ * This makes 16-bit mode functions far, while 32-bit and 64-bit are near.
+ * You need to update the make file to generate near->far wrappers in most
+ * cases.
+ *
+ * @param a_RetType The return type.
+ * @param a_Name The function basename.
+ * @param a_Params The parameter list (in parentheses).
+ *
+ * @sa BS3_MODE_PROTO
+ */
+#if ARCH_BITS == 16
+# define BS3_MODE_DEF(a_RetType, a_Name, a_Params) BS3_DECL_FAR(a_RetType) TMPL_FAR_NM(a_Name) a_Params
+#else
+# define BS3_MODE_DEF(a_RetType, a_Name, a_Params) BS3_DECL_NEAR(a_RetType) TMPL_NM(a_Name) a_Params
+#endif
+
+
+
+#ifndef TMPL_MODE_STR
+# error "internal error"
+#endif
+
+#endif /* !DOXYGEN_RUNNING */
+/** @} */
+