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Diffstat (limited to 'src/VBox/ValidationKit/bootsectors/bs3kit/bs3-first-common.mac')
| -rw-r--r-- | src/VBox/ValidationKit/bootsectors/bs3kit/bs3-first-common.mac | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-first-common.mac b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-first-common.mac new file mode 100644 index 00000000..1cc40765 --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-first-common.mac @@ -0,0 +1,281 @@ +; $Id: bs3-first-common.mac $ +;; @file +; BS3Kit - First Object, common stuff. +; + +; +; 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 +; + + +%define BS3_BEGIN_TEXT16_WITHOUT_GROUP +%define BS3_BEGIN_DATA16_WITHOUT_GROUP +%define BS3_BEGIN_RMTEXT16_WITHOUT_GROUP +%define BS3_BEGIN_X0TEXT16_WITHOUT_GROUP +%define BS3_BEGIN_X1TEXT16_WITHOUT_GROUP + +%include "bs3kit.mac" + + +; +; +; Define all the segments and their grouping, just to get that right once at +; the start of everything. +; +; + +; +; 16-bit text +; +%ifndef BS3_IS_DOS_EXE +BS3_BEGIN_TEXT16 +%else +section BEGTEXT align=2 CLASS=BS3CLASS16CODE PUBLIC USE16 +BS3_BEGIN_TEXT16 +section BEGTEXT +%endif +BS3_GLOBAL_DATA Bs3Text16_StartOfSegment, 0 + +; Entry point with eye-catcher. +GLOBALNAME start +global __ImageBase ; for MS compiler - must be first! +__ImageBase: +global ___begtext ; for DOS EXEs (causes harmless duplicate symbol warning) +___begtext: +%ifndef BS3_IS_DOS_EXE + jmp .after_eye_catcher +%else + int3 + jmp __ImageBase +%endif + db 10,13,'eye-catcher: BS3TEXT16',10,13 +BS3_BEGIN_TEXT16 +.after_eye_catcher: + +section _TEXT align=2 CLASS=BS3CLASS16CODE PUBLIC USE16 +section BS3TEXT16_NEARSTUBS align=1 CLASS=BS3CLASS16CODE PUBLIC USE16 +section BS3TEXT16_FARSTUBS align=1 CLASS=BS3CLASS16CODE PUBLIC USE16 +section BS3TEXT16_END align=1 CLASS=BS3CLASS16CODE PUBLIC USE16 + +BS3_GLOBAL_DATA Bs3Text16_EndOfSegment, 0 + +%ifndef BS3_IS_DOS_EXE +GROUP CGROUP16 BS3TEXT16 _TEXT BS3TEXT16_NEARSTUBS BS3TEXT16_FARSTUBS BS3TEXT16_END +%else +GROUP CGROUP16 BEGTEXT BS3TEXT16 _TEXT BS3TEXT16_NEARSTUBS BS3TEXT16_FARSTUBS BS3TEXT16_END +%endif + + +; +; 16-bit data +; +BS3_BEGIN_DATA16 +BS3_GLOBAL_DATA Bs3Data16_StartOfSegment, 0 + db 10,13,'eye-catcher: BS3DATA16',10,13 + +ALIGNDATA(16) +BS3_GLOBAL_DATA Bs3Data16_Size, 4 + dd BS3_DATA_NM(Bs3Data16_EndOfSegment) wrt BS3KIT_GRPNM_DATA16 +BS3_GLOBAL_DATA Bs3Data16Thru64Text32And64_TotalSize, 4 + dd BS3_DATA_NM(Bs3Data64_EndOfSegment) wrt BS3KIT_GRPNM_DATA16 +BS3_GLOBAL_DATA Bs3TotalImageSize, 4 + dd BS3_DATA_NM(Bs3Text64_EndOfSegment) wrt CGROUP16 ; ASSUMES TEXT64 is last. + +BS3_GLOBAL_DATA Bs3Text16_Size, 2 + dw BS3_DATA_NM(Bs3Text16_EndOfSegment) wrt CGROUP16 +BS3_GLOBAL_DATA Bs3RmText16_Size, 2 + dw BS3_DATA_NM(Bs3RmText16_EndOfSegment) wrt BS3GROUPRMTEXT16 +BS3_GLOBAL_DATA Bs3X0Text16_Size, 2 + dw BS3_DATA_NM(Bs3X0Text16_EndOfSegment) wrt BS3GROUPX0TEXT16 +BS3_GLOBAL_DATA Bs3X1Text16_Size, 2 + dw BS3_DATA_NM(Bs3X1Text16_EndOfSegment) wrt BS3GROUPX1TEXT16 + +BS3_GLOBAL_DATA Bs3RmText16_FlatAddr, 4 + dd BS3_DATA_NM(Bs3RmText16_StartOfSegment) wrt BS3FLAT +BS3_GLOBAL_DATA Bs3X0Text16_FlatAddr, 4 + dd BS3_DATA_NM(Bs3X0Text16_StartOfSegment) wrt BS3FLAT +BS3_GLOBAL_DATA Bs3X1Text16_FlatAddr, 4 + dd BS3_DATA_NM(Bs3X1Text16_StartOfSegment) wrt BS3FLAT + +section BS3DATA16CONST align=2 CLASS=BS3KIT_CLASS_DATA16 PUBLIC USE16 +section BS3DATA16CONST2 align=2 CLASS=BS3KIT_CLASS_DATA16 PUBLIC USE16 +section BS3DATA16_DATA align=2 CLASS=BS3KIT_CLASS_DATA16 PUBLIC USE16 +%ifdef BS3_IS_DOS_EXE +section _NULL align=16 CLASS=BEGDATA PUBLIC USE16 +section _AFTERNULL align=2 CLASS=BEGDATA PUBLIC USE16 +%endif +section CONST align=2 CLASS=DATA PUBLIC USE16 +section CONST2 align=2 CLASS=DATA PUBLIC USE16 +section _DATA align=2 CLASS=DATA PUBLIC USE16 +%ifdef BS3_IS_DOS_EXE +section XIB align=1 CLASS=DATA PUBLIC USE16 +section XI align=1 CLASS=DATA PUBLIC USE16 +section XIE align=1 CLASS=DATA PUBLIC USE16 +section YIB align=1 CLASS=DATA PUBLIC USE16 +section YI align=1 CLASS=DATA PUBLIC USE16 +section YIE align=1 CLASS=DATA PUBLIC USE16 +%endif +section STRINGS align=2 CLASS=DATA PUBLIC USE16 +section DATA align=2 CLASS=DATA PUBLIC USE16 +section _BSS align=2 CLASS=BS3KIT_CLASS_BSS16 PUBLIC USE16 +section BSS align=2 CLASS=BS3KIT_CLASS_BSS16 PUBLIC USE16 +%ifdef BS3_IS_DOS_EXE +section STACK align=16 CLASS=STACK STACK USE16 +%endif +section BS3DATA16_END align=2 CLASS=BS3KIT_CLASS_BSS16 PUBLIC USE16 + +BS3_GLOBAL_DATA Bs3Data16_EndOfSegment, 0 + +%ifndef BS3_IS_DOS_EXE +GROUP BS3KIT_GRPNM_DATA16 BS3DATA16 BS3DATA16_DATA _DATA DATA BS3DATA16CONST CONST BS3DATA16CONST2 CONST2 STRINGS _BSS BSS BS3DATA16_END +%else +GROUP BS3KIT_GRPNM_DATA16 \ + _NULL _AFTERNULL \ + CONST BS3DATA16CONST CONST2 BS3DATA16CONST2 _DATA XIB XI XIE YIB YI YIE STRINGS DATA BS3DATA16 BS3DATA16_DATA \ + _BSS BSS BS3DATA16_END \ + STACK +%endif + +; +; 16-bit real-mode text +; +section BS3RMTEXT16_START align=16 CLASS=BS3CLASS16RMCODE PUBLIC USE16 +BS3_GLOBAL_DATA Bs3RmText16_StartOfSegment, 0 + ;db 10,13,'eye-catcher: BS3RMTEXT16',10,13 - messes up switch in C code. Alt. is fConvertFixupp VBoxBs3ObjConverter.cpp. +BS3_BEGIN_RMTEXT16 +section BS3RMTEXT16_END align=1 CLASS=BS3CLASS16RMCODE PUBLIC USE16 +BS3_GLOBAL_DATA Bs3RmText16_EndOfSegment, 0 +GROUP BS3GROUPRMTEXT16 BS3RMTEXT16_START BS3RMTEXT16 BS3RMTEXT16_END + + +; +; 16-bit extra text segment #0. +; +section BS3X0TEXT16_START align=16 CLASS=BS3CLASS16X0CODE PUBLIC USE16 +BS3_GLOBAL_DATA Bs3X0Text16_StartOfSegment, 0 + ;db 10,13,'eye-catcher: BS3X0TEXT16',10,13 - messes up switch in C code. Alt. is fConvertFixupp VBoxBs3ObjConverter.cpp. +BS3_BEGIN_X0TEXT16 4 +section BS3X0TEXT16_END align=16 CLASS=BS3CLASS16X0CODE PUBLIC USE16 +BS3_GLOBAL_DATA Bs3X0Text16_EndOfSegment, 0 +GROUP BS3GROUPX0TEXT16 BS3X0TEXT16_START BS3X0TEXT16 BS3X0TEXT16_END + + +; +; 16-bit extra text segment #1. +; +section BS3X1TEXT16_START align=16 CLASS=BS3CLASS16X1CODE PUBLIC USE16 +BS3_GLOBAL_DATA Bs3X1Text16_StartOfSegment, 0 + ;db 10,13,'eye-catcher: BS3X1TEXT16',10,13 - messes up switch in C code. Alt. is fConvertFixupp VBoxBs3ObjConverter.cpp. +BS3_BEGIN_X1TEXT16 4 +section BS3X1TEXT16_END align=16 CLASS=BS3CLASS16X1CODE PUBLIC USE16 +BS3_GLOBAL_DATA Bs3X1Text16_EndOfSegment, 0 +GROUP BS3GROUPX1TEXT16 BS3X1TEXT16_START BS3X1TEXT16 BS3X1TEXT16_END + + +; +; 32-bit text +; +BS3_BEGIN_TEXT32 +BS3_GLOBAL_DATA Bs3Text32_StartOfSegment, 0 + db 10,13,'eye-catcher: BS3TEXT32',10,13 +section BS3TEXT32_END align=1 CLASS=BS3CLASS32CODE PUBLIC USE32 FLAT +BS3_GLOBAL_DATA Bs3Text32_EndOfSegment, 0 + + +; +; This is a hack to separate the 32-bit and 64-bit text segments when linking, +; such that they don't share the same base frame because they're both assigned +; to the AUTO group by the linker. +; +section BS3SEPARATE32AND64BITCODE align=16 CLASS=BS3CLASSSEPARATE32AND64BITCODE PUBLIC USE16 +BS3_GLOBAL_DATA Bs3Separate32And64BitCode_StartOfSegment, 0 + db 10,13,'eye-catcher: 32-64 wedge',10,13 +section BS3SEPARATE32AND64BITCODE_END align=16 CLASS=BS3CLASSSEPARATE32AND64BITCODE PUBLIC USE16 +BS3_GLOBAL_DATA Bs3Separate32And64BitCode_EndOfSegment, 0 +GROUP BS3SEPARATE32AND64BITCODEGROUP BS3SEPARATE32AND64BITCODE BS3SEPARATE32AND64BITCODE_END + + +; +; 64-bit text +; +BS3_BEGIN_TEXT64 +BS3_GLOBAL_DATA Bs3Text64_StartOfSegment, 0 + db 10,13,'eye-catcher: BS3TEXT64',10,13 +section BS3TEXT64_END align=1 CLASS=BS3CLASS64CODE PUBLIC USE32 FLAT +BS3_GLOBAL_DATA Bs3Text64_EndOfSegment, 0 + + +; +; FAR_DATA segment in DOS EXEs should be near the other FAR_DATA class segments. +; +%ifdef BS3_IS_DOS_EXE +section FAR_DATA align=1 CLASS=FAR_DATA PUBLIC USE16 +%endif + +; +; 32-bit data +; +BS3_BEGIN_DATA32 +BS3_GLOBAL_DATA Bs3Data32_StartOfSegment, 0 + db 10,13,'eye-catcher: BS3DATA32',10,13 +section BS3DATA32CONST align=16 CLASS=FAR_DATA PUBLIC USE32 +section BS3DATA32CONST2 align=16 CLASS=FAR_DATA PUBLIC USE32 +section BS3DATA32_DATA align=16 CLASS=FAR_DATA PUBLIC USE32 +section BS3DATA32_BSS align=16 CLASS=FAR_DATA PUBLIC USE32 +section BS3DATA32_END align=16 CLASS=FAR_DATA PUBLIC USE32 +BS3_GLOBAL_DATA Bs3Data32_EndOfSegment, 0 +GROUP BS3DATA32_GROUP BS3DATA32 BS3DATA32_DATA BS3DATA32CONST BS3DATA32CONST2 BS3DATA32_BSS BS3DATA32_END + +; +; 64-bit data +; +BS3_BEGIN_DATA64 +BS3_GLOBAL_DATA Bs3Data64_StartOfSegment, 0 + db 10,13,'eye-catcher: BS3DATA64',10,13 +section BS3DATA64CONST align=16 CLASS=FAR_DATA PUBLIC USE32 +section BS3DATA64_BSS align=16 CLASS=FAR_DATA PUBLIC USE32 +section BS3DATA64_END align=16 CLASS=FAR_DATA PUBLIC USE32 +BS3_GLOBAL_DATA Bs3Data64_EndOfSegment, 0 +GROUP BS3DATA64_GROUP BS3DATA64 BS3DATA64CONST BS3DATA64_BSS BS3DATA64_END + + +; +; 16-bit accessible system data. +; No need to do anything here. +; +BS3_BEGIN_SYSTEM16 + + +; +; Switch back to the 16-bit code segment and the startup code. +; +BS3_BEGIN_TEXT16 +BS3_GLOBAL_NAME_EX Bs3KitEntryPoint, function, 0 + |