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Diffstat (limited to 'src/VBox/ValidationKit/bootsectors/bootsector2-cpu-hidden-regs-1-template.mac')
| -rw-r--r-- | src/VBox/ValidationKit/bootsectors/bootsector2-cpu-hidden-regs-1-template.mac | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bootsector2-cpu-hidden-regs-1-template.mac b/src/VBox/ValidationKit/bootsectors/bootsector2-cpu-hidden-regs-1-template.mac new file mode 100644 index 00000000..c4872c7d --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bootsector2-cpu-hidden-regs-1-template.mac @@ -0,0 +1,352 @@ +; $Id: bootsector2-cpu-hidden-regs-1-template.mac $ +;; @file +; bootsector2 hidden CPU registers - multi mode template. +; + +; +; 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 "bootsector2-template-header.mac" + +;; +; Helper for reporting several register values at in a sequence. +; +BEGINPROC TMPL_NM(TestValueRegSZZ) + push sAX + push sBX + + mov xBX, xAX +.next: + mov xAX, xBX + call TMPL_NM_CMN(TestValueReg) +.inner_next: + inc xBX + cmp byte [xBX], 0 + jne .inner_next + + inc xBX + cmp byte [xBX], 0 + je .done + jmp .next + +.done + pop sBX + pop sAX + ret +ENDPROC TMPL_NM(TestValueRegSZZ) + +;; +; Tests various LDTR values +; +BEGINPROC TMPL_NM(doLdtrTests) + push sAX + + ; The inital LDT. + mov sAX, .szLdtrInitial + call TMPL_NM(TestValueRegSZZ) + + ; Load our LDT + mov eax, BS2_SEL_LDT + lldt ax + mov sAX, .szLdtrValid + call TMPL_NM(TestValueRegSZZ) + + ; NULL LDTR. + xor eax, eax + lldt ax + mov sAX, .szLdtr0 + call TMPL_NM(TestValueRegSZZ) + + ; NULL(1) LDTR. + mov eax, 1 + lldt ax + mov sAX, .szLdtr1 + call TMPL_NM(TestValueRegSZZ) + + ; NULL(2) LDTR. + mov eax, 2 + lldt ax + mov sAX, .szLdtr2 + call TMPL_NM(TestValueRegSZZ) + + ; NULL(3) LDTR. + mov eax, 3 + lldt ax + mov sAX, .szLdtr3 + call TMPL_NM(TestValueRegSZZ) + +.done + pop sAX + ret + +.szLdtrInitial: + db 'LDTR(Initial) sel:ldtr', 0 + db 'LDTR(Initial) base:ldtr_base', 0 + db 'LDTR(Initial) limit:ldtr_lim', 0 + db 'LDTR(Initial) attr:ldtr_attr', 0 + db 0 +.szLdtrValid: + db 'LDTR(Valid) sel:ldtr', 0 + db 'LDTR(Valid) base:ldtr_base', 0 + db 'LDTR(Valid) limit:ldtr_lim', 0 + db 'LDTR(Valid) attr:ldtr_attr', 0 + db 0 +.szLdtr0: + db 'LDTR(0) sel:ldtr', 0 + db 'LDTR(0) base:ldtr_base', 0 + db 'LDTR(0) limit:ldtr_lim', 0 + db 'LDTR(0) attr:ldtr_attr', 0 + db 0 +.szLdtr1: + db 'LDTR(1) sel:ldtr', 0 + db 'LDTR(1) base:ldtr_base', 0 + db 'LDTR(1) limit:ldtr_lim', 0 + db 'LDTR(1) attr:ldtr_attr', 0 + db 0 +.szLdtr2: + db 'LDTR(2) sel:ldtr', 0 + db 'LDTR(2) base:ldtr_base', 0 + db 'LDTR(2) limit:ldtr_lim', 0 + db 'LDTR(2) attr:ldtr_attr', 0 + db 0 +.szLdtr3: + db 'LDTR(3) sel:ldtr', 0 + db 'LDTR(3) base:ldtr_base', 0 + db 'LDTR(3) limit:ldtr_lim', 0 + db 'LDTR(3) attr:ldtr_attr', 0 + db 0 +ENDPROC TMPL_NM(doLdtrTests) + + +;; +; Tests various LDTR values +; +BEGINPROC TMPL_NM(doTrTests) + push sAX + + ; Initial TR values. + mov sAX, .szTrInitial + call TMPL_NM(TestValueRegSZZ) + jmp .next1 +.szTrInitial: + db 'TR(Initial) sel:tr', 0 + db 'TR(Initial) base:tr_base', 0 + db 'TR(Initial) limit:tr_lim', 0 + db 'TR(Initial) attr:tr_attr', 0 + db 0 +.next1: + + ; Our TR. +%ifdef TMPL_CMN_LM + mov ax, BS2_SEL_TSS64 + ltr ax + mov sAX, .szTrTss64 + call TMPL_NM(TestValueRegSZZ) + jmp .next2 +.szTrTss64: + db 'TR(64) sel:tr', 0 + db 'TR(64) base:tr_base', 0 + db 'TR(64) limit:tr_lim', 0 + db 'TR(64) attr:tr_attr', 0 + db 0 + +%elifdef TMPL_PP32 + mov ax, BS2_SEL_TSS32 + ltr ax + mov sAX, .szTrTss32 + call TMPL_NM(TestValueRegSZZ) + jmp .next2 +.szTrTss32: + db 'TR(32) sel:tr', 0 + db 'TR(32) base:tr_base', 0 + db 'TR(32) limit:tr_lim', 0 + db 'TR(32) attr:tr_attr', 0 + db 0 +;%elifdef TMPL_PP16 +; mov ax, BS2_SEL_TSS16 +; mov sAX, .szTrTss16 +; call TMPL_NM(TestValueRegSZZ) +%endif +.next2: + + ; Note! Loading 0 into TR is not possible, unlike with LDTR. + +.done + pop sAX + ret +ENDPROC TMPL_NM(doTrTests) + + +;; +; Test loading of NULL selectors. +; +BEGINPROC TMPL_NM(doNullSelTests) + push sAX + push xBX + push gs + + mov ax, ss + mov gs, ax + mov sAX, .szGsSs + call TMPL_NM(TestValueRegSZZ) + + xor eax, eax + mov gs, ax + mov sAX, .szGs0 + call TMPL_NM(TestValueRegSZZ) + + mov ax, 3 + mov gs, ax + mov sAX, .szGs3 + call TMPL_NM(TestValueRegSZZ) + +%ifdef TMPL_64BIT + pushf + cli + mov bx, ss + mov ax, 0 + mov ss, ax + mov sAX, .szSs0 + call TMPL_NM(TestValueRegSZZ) + mov ss, bx + popf + + call TMPL_NM_CMN(Bs2ToRing2) + mov bx, ss + mov ax, 2 + mov ss, ax + mov sAX, .szSs1Ring2 + call TMPL_NM(TestValueRegSZZ) + mov ss, bx + + test byte [g_fCpuAmd], 1 + jz .not_amd + mov ax, 3 + mov ss, ax + mov sAX, .szSs3Ring2 + call TMPL_NM(TestValueRegSZZ) + +.not_amd: + call TMPL_NM_CMN(Bs2ToRing0) + +%endif + + pop gs + pop xBX + pop sAX + ret + +.szGsSs: + db 'GS(ss) sel:gs', 0 + db 'GS(ss) base:gs_base', 0 + db 'GS(ss) limit:gs_lim', 0 + db 'GS(ss) attr:gs_attr', 0 + db 0 +.szGs0: + db 'GS(0) sel:gs', 0 + db 'GS(0) base:gs_base', 0 + db 'GS(0) limit:gs_lim', 0 + db 'GS(0) attr:gs_attr', 0 + db 0 +.szGs3: + db 'GS(3) sel:gs', 0 + db 'GS(3) base:gs_base', 0 + db 'GS(3) limit:gs_lim', 0 + db 'GS(3) attr:gs_attr', 0 + db 0 +%ifdef TMPL_64BIT +.szSs0: + db 'SS(0) sel:ss', 0 + db 'SS(0) base:ss_base', 0 + db 'SS(0) limit:ss_lim', 0 + db 'SS(0) attr:ss_attr', 0 + db 0 +.szSs1Ring2 + db 'ring-2 SS(2) sel:ss', 0 + db 'ring-2 SS(2) base:ss_base', 0 + db 'ring-2 SS(2) limit:ss_lim', 0 + db 'ring-2 SS(2) attr:ss_attr', 0 + db 0 +.szSs3Ring2 + db 'ring-2 SS(3) sel:ss', 0 + db 'ring-2 SS(3) base:ss_base', 0 + db 'ring-2 SS(3) limit:ss_lim', 0 + db 'ring-2 SS(3) attr:ss_attr', 0 + db 0 +%endif +ENDPROC TMPL_NM(doNullSelTests) + + +BEGINPROC TMPL_NM(doTestsWorker) + push sAX + + mov xAX, .s_szSubTest + call TMPL_NM_CMN(TestSub) + call TMPL_NM(doLdtrTests) + call TMPL_NM(doTrTests) + call TMPL_NM(doNullSelTests) + +.done + pop sAX + ret + +.s_szSubTest: + db TMPL_MODE_STR, 0 +ENDPROC TMPL_NM(doTestsWorker) + + +;; +; Do the tests for this mode. +; +; @uses nothing +; +BEGINCODELOW +BITS 16 +BEGINPROC TMPL_NM(doTests_rm) + call TMPL_NM(Bs2IsModeSupported_rm) + jz .done + call TMPL_NM(Bs2EnterMode_rm) +BITS TMPL_BITS + + call TMPL_NM(doTestsWorker) + + call TMPL_NM(Bs2ExitMode) +BITS 16 +.done: + ret +ENDPROC TMPL_NM(doTests_rm) +TMPL_BEGINCODE +BITS TMPL_BITS + + +%include "bootsector2-template-footer.mac" + |