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Diffstat (limited to 'src/VBox/ValidationKit/bootsectors/bootsector2-common-traprec.mac')
| -rw-r--r-- | src/VBox/ValidationKit/bootsectors/bootsector2-common-traprec.mac | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bootsector2-common-traprec.mac b/src/VBox/ValidationKit/bootsectors/bootsector2-common-traprec.mac new file mode 100644 index 00000000..0b927dc5 --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bootsector2-common-traprec.mac @@ -0,0 +1,209 @@ +; $Id: bootsector2-common-traprec.mac $ +;; @file +; Boot sector 2 - Trap Records. +; +; @note Don't forget to cinldue bootsector2-common-traprec-end.mac! +; + +; +; 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 +; + +%ifndef ___bootsector2_common_traprec_mac___ +%define ___bootsector2_common_traprec_mac___ + + +;******************************************************************************* +;* Header Files * +;******************************************************************************* +%include "iprt/x86.mac" + + +;******************************************************************************* +;* Defined Constants And Macros * +;******************************************************************************* +;; +; The base address for the records (only important for 64-bit code +; loaded above 4GB). +; We use 0 by default so we don't create too complex expressions for YASM. +%ifndef BS2_TRAP_RECS_BASE + %define BS2_TRAP_RECS_BASE 0 +%endif + +;; +; Macro to emit an trapping instruction. +; +; @param 1 The trap number (X86_XCPT_XXX). +; @param 2 The error code, 0 if none. +; @param 3+ The instruction. +; +; @sa BS2_TRAP_BRANCH_INSTR +; +%macro BS2_TRAP_INSTR 3+, + [section .traprecs] + istruc BS2TRAPREC + at BS2TRAPREC.offWhere, dd (%%trapinstr - BS2_TRAP_RECS_BASE) + at BS2TRAPREC.offResumeAddend, db (%%resume - %%trapinstr) + at BS2TRAPREC.u8TrapNo, db %1 + at BS2TRAPREC.u16ErrCd, dw %2 + iend + __SECT__ + %if %1 != X86_XCPT_BP + %%trapinstr: + %3 + %else + %3 + %%trapinstr: + %endif + call TMPL_NM_CMN(TestFailedMissingTrap_ %+ %1) + %%resume: +%endmacro + +;; +; Macro to emit an trapping instruction. +; +; @param 1 The trap number (X86_XCPT_XXX). +; @param 2 The error code, 0 if none. +; @param 3 The name of the branch label. +; @param 4+ The instruction. +; +%macro BS2_TRAP_BRANCH_INSTR 4+, + [section .traprecs] + istruc BS2TRAPREC + at BS2TRAPREC.offWhere, dd (%%trapinstr - BS2_TRAP_RECS_BASE) + at BS2TRAPREC.offResumeAddend, db (%%resume - %%trapinstr) + at BS2TRAPREC.u8TrapNo, db %1 + at BS2TRAPREC.u16ErrCd, dw %2 + iend + __SECT__ + %%trapinstr: + %4 + %3: + call TMPL_NM_CMN(TestFailedMissingTrap_ %+ %1) + %%resume: +%endmacro + +;; +; Sets up the trap records section. +; @internal +%macro BS2_TRAP_RECS_BEGIN 0, + [section .traprecs] ; Declared in bootsector2-common-init-code.mac + dq 0ffffffffeeeeeeeeh +g_aTrapRecs: + __SECT__ +%endmacro + +;; +; Terminates the trap records section. +; @internal +%macro BS2_TRAP_RECS_END 0, + [section .traprecs] +g_aTrapRecsEnd: + dq 0ddddddddcccccccch + __SECT__ +%endmacro + + +;; +; Macro for installing the trap records. +; +; This must be invoked prior to the traps. +; +; @uses Stack +; +%macro BS2_TRAP_RECS_INSTALL 0, + push sAX + push sDX + push sCX + + mov sAX, NAME(g_aTrapRecs) + mov edx, NAME(g_aTrapRecsEnd) - NAME(g_aTrapRecs) + shr edx, BS2TRAPREC_SIZE_SHIFT + mov sCX, BS2_TRAP_RECS_BASE + call TMPL_NM_CMN(TestInstallTrapRecs) + + pop sAX + pop sDX + pop sCX +%endmacro + + +;; +; Macro for uninstalling the trap records. +; +; @uses Stack +; +%macro BS2_TRAP_RECS_UNINSTALL 0, + push sAX + push sDX + push sCX + + xor sAX, sAX + xor edx, edx + xor sCX, sCX + call TMPL_NM_CMN(TestInstallTrapRecs) + + pop sAX + pop sDX + pop sCX +%endmacro + + +; +; Setup the trap record segment. +; +BS2_TRAP_RECS_BEGIN +BEGINCODELOW + + +; +; Instantiate code templates. +; +%ifdef BS2_INC_CMN_R86 + %define TMPL_RM + %include "bootsector2-common-traprec-template.mac" +%endif +%ifdef BS2_INC_CMN_P16 + %define TMPL_PE16 + %include "bootsector2-common-traprec-template.mac" +%endif +%ifdef BS2_INC_CMN_P32 + %define TMPL_PE32 + %include "bootsector2-common-traprec-template.mac" +%endif +%ifdef BS2_INC_LM64 + %define TMPL_LM64 + %include "bootsector2-common-traprec-template.mac" +%endif + +BEGINCODELOW + +%endif + |