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Diffstat (limited to 'src/VBox/ValidationKit/bootsectors/bootsector2-triple-fault-1.asm')
| -rw-r--r-- | src/VBox/ValidationKit/bootsectors/bootsector2-triple-fault-1.asm | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bootsector2-triple-fault-1.asm b/src/VBox/ValidationKit/bootsectors/bootsector2-triple-fault-1.asm new file mode 100644 index 00000000..4be5a8de --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bootsector2-triple-fault-1.asm @@ -0,0 +1,390 @@ +; $Id: bootsector2-triple-fault-1.asm $ +;; @file +; Bootsector for testing triple faults. +; + +; +; Copyright (C) 2007-2022 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 "iprt/asmdefs.mac" +%include "iprt/x86.mac" +%include "VBox/VMMDevTesting.mac" + +;; The number of instructions to test. +%define TEST_INSTRUCTION_COUNT_IO 2000000 + +;; The number of instructions to test. +%define TEST_INSTRUCTION_COUNT_MMIO 750000 + +;; Define this to drop unnecessary test variations. +%define QUICK_TEST + +; +; Include and execute the init code. +; + %define BS2_INIT_RM + %define BS2_INC_PE16 + %define BS2_INC_PE32 + %define BS2_INC_PP32 + %define BS2_INC_PAE32 + %define BS2_INC_LM64 + %include "bootsector2-common-init-code.mac" + + +; +; The test driver +; +BEGINPROC main + ; + ; Test prologue. + ; + mov ax, .s_szTstName + call TestInit_r86 + call Bs2EnableA20_r86 + + ; + ; Did we get here from a reboot triggered below? + ; + push ds + mov ax, 2000h ; 128 KB is enough for the test program +.boot_check_loop: + mov ds, ax + cmp dword [0], 064726962h + jne .boot_check_next + cmp dword [4], 062697264h + je .warm_reset_broken + +.boot_check_next: + mov dword [0], 064726962h + mov dword [4], 062697264h + add ax, 1000h + cmp ax, 8000h + jbe .boot_check_loop + pop ds + jmp .fine + +.warm_reset_broken: + pop ds + mov ax, .s_szWarmResetBroken + call NAME(TestFailed_r86) + jmp .done +.s_szWarmResetBroken: + db 'Warm reset vector support is broken', 0dh, 0ah, 0 +.fine: + + ; + ; Test that the warm reset interface works. + ; + mov ax, .s_szPrecondTest5 + call NAME(TestSub_r86) + mov al, 05h + call NAME(SetWarmResetJmp) + cmp ax, 0 + jne .precond_test_A + call NAME(TestReboot_r86) + +.precond_test_A: + mov ax, .s_szPrecondTestA + call NAME(TestSub_r86) + mov al, 0Ah + call NAME(SetWarmResetJmp) + cmp ax, 0 + jne .precond_test_A_passed + call NAME(TestReboot_r86) +.precond_test_A_passed: + call NAME(TestSubDone_r86) + + ; + ; The real tests. + ; + + + ; + ; We're done. + ; +.done: + call NAME(TestTerm_r86) + call Bs2Panic + +.s_szTstName: + db 'tstTriple', 0 +.s_szPrecondTest5: + db 'Shutdown Action 5', 0 +.s_szPrecondTestA: + db 'Shutdown Action A', 0 +ENDPROC main + + + +;; +; Sets up the warm reset vector. +; +; @param ax Where to resume exeuction. +; @param dl Shutdown action command to use, 5h or Fh. +; +; @uses nothing +; +BEGINPROC SetUpWarmReset + push bp + mov bp, sp + push eax + push ebx + push ecx + push edx + push edi + push esi + push es + + ; + ; Set up the warm reboot vector. + ; + mov bx, 40h + mov es, bx + + mov ecx, [es:67h] ; debug + mov word [es:67h], ax + mov bx, cs + mov word [es:67h+2], bx + + mov bx, [es:72h] ; debug + mov word [es:72h], 1234h ; warm reboot + + wbinvd + + mov al, 0fh + out 70h, al ; set register index + in al, 71h + mov ah, al ; debug + mov al, dl ; shutdown action command + out 71h, al ; set cmos[f] = a - invoke testResume as early as possible. + in al, 71h ; debug / paranoia + movzx si, al + + ; Debug print. +%if 1 + mov di, sp ; save sp (lazy bird) + in al, 64h + push ax ; kbd status + push si ; cmos[f] after + mov al, ah ; cmos[f] before + push ax + push word [0472h] ; 40:72 word after + push bx ; 40:72 word before + push word [0467h] ; 40:67 far addr after + push word [0469h] + push cx ; 40:67 far addr before + shr ecx, 16 + push dx + push ds + push .s_szDebugFmt + call NAME(PrintF_r86) + mov sp, di ; restore sp. +;.forever: +; cli +; hlt +; jmp .forever +%endif + + pop es + pop esi + pop edi + pop edx + pop ecx + pop ebx + pop eax + leave + ret + +.s_szDebugFmt: + db 'dbg: 40:67=%RX16:%RX16 (%RX16:%RX16) 40:72=%RX16 (%RX16) cmos[f]=%RX8 (%RX8) kbdsts=%RX8', 0dh, 0ah, 0 +ENDPROC SetUpWarmReset + + +;; +; Sets up the warm reset vector. +; +; @returns ax = 0 on setup call, ax = 1 on resume return. +; @param al Shutdown action command to use, 5h or Fh. +; @uses ax +; +BEGINPROC SetWarmResetJmp + push bp + mov bp, sp + push dx + + mov dl, al + mov ax, .resume + call NAME(SetUpWarmReset) + +%ifdef DEBUG + push cs + push .s_szDbg1 + call NAME(PrintF_r86) + add sp, 4 +%endif + + mov ax, .s_ResumeRegs + call NAME(TestSaveRegisters_r86) + +%ifdef DEBUG + push cs + push .s_szDbg2 + call NAME(PrintF_r86) + add sp, 4 +%endif + + mov dx, [bp - 2] + mov [.s_ResumeRegs + BS2REGS.rdx], dx + mov ax, bp + add ax, 4 + mov [.s_ResumeRegs + BS2REGS.rsp], ax + mov ax, [bp] + mov [.s_ResumeRegs + BS2REGS.rbp], ax + mov ax, [bp + 2] + mov [.s_ResumeRegs + BS2REGS.rip], ax + mov word [.s_ResumeRegs + BS2REGS.rax], 1 + +%ifdef DEBUG + push cs + push .s_szDbg3 + call NAME(PrintF_r86) + add sp, 4 +%endif + + xor ax, ax +.done: + pop dx + leave + ret + +.resume: + cli + xor ax, ax + mov ds, ax + mov es, ax + mov ax, [.s_ResumeRegs + BS2REGS.ss] + mov ss, ax + mov esp, [.s_ResumeRegs + BS2REGS.rsp] + mov ebp, [.s_ResumeRegs + BS2REGS.rbp] + +%ifdef DEBUG + push ds + push .s_szDbg4 + call NAME(PrintF_r86) + add sp, 4 +%endif + + mov ax, .s_ResumeRegs + call NAME(TestRestoreRegisters_r86) + mov ax, [.s_ResumeRegs + BS2REGS.rip] + push ax + mov ax, 1 + ret + ;jmp word [.s_ResumeRegs + BS2REGS.rip] + +.s_ResumeRegs: + times (BS2REGS_size) db 0 +%ifdef DEBUG +.s_szDbg1: + db 'dbg 1', 0dh, 0ah, 0 +.s_szDbg2: + db 'dbg 2', 0dh, 0ah, 0 +.s_szDbg3: + db 'dbg 3', 0dh, 0ah, 0 +.s_szDbg4: + db 'dbg 4', 0dh, 0ah, 0 +%endif +ENDPROC SetWarmResetJmp + + +;; +; Reboot the machine. Will not return. +; +BEGINPROC TestReboot_r86 +%ifdef DEBUG + ; Debug + push ds + push .s_szDbg + call NAME(PrintF_r86) +%endif + ; Via port A + in al, 92h + and al, ~1 + out 92h, al + or al, 1 + out 92h, al + in al, 92h +.forever: + cli + hlt + jmp .forever +%ifdef DEBUG +.s_szDbg: + db 'Rebooting...', 0dh, 0ah, 0 +%endif +ENDPROC TestReboot_r86 + + +; +; Instantiate the template code. +; +%include "bootsector2-template-footer.mac" ; reset the initial environemnt. + +;%define TMPL_RM +;%include "bootsector2-test1-template.mac" +;%define TMPL_CMN_V86 +;%include "bootsector2-test1-template.mac" +;%define TMPL_PE16 +;%include "bootsector2-test1-template.mac" +;%define TMPL_PE32 +;%include "bootsector2-test1-template.mac" +;%define TMPL_PP16 +;%include "bootsector2-test1-template.mac" +;%define TMPL_PP32 +;%include "bootsector2-test1-template.mac" +;%define TMPL_PAE16 +;%include "bootsector2-test1-template.mac" +;%define TMPL_PAE32 +;%include "bootsector2-test1-template.mac" +;%define TMPL_LM16 +;%include "bootsector2-test1-template.mac" +;%define TMPL_LM32 +;%include "bootsector2-test1-template.mac" +;%define TMPL_LM64 +;%include "bootsector2-test1-template.mac" + + +; +; End sections and image. +; +%include "bootsector2-common-end.mac" + |