cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; Bootsector test for misc instruction - multi mode template.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; Copyright (C) 2007-2014 Oracle Corporation
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; This file is part of VirtualBox Open Source Edition (OSE), as
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; available from http://www.virtualbox.org. This file is free software;
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; you can redistribute it and/or modify it under the terms of the GNU
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; General Public License (GPL) as published by the Free Software
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; Foundation, in version 2 as it comes in the "COPYING" file of the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; The contents of this file may alternatively be used under the terms
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; of the Common Development and Distribution License Version 1.0
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; VirtualBox OSE distribution, in which case the provisions of the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; CDDL are applicable instead of those of the GPL.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; You may elect to license modified versions of this file under the
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; terms and conditions of either the GPL or the CDDL or both.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; Memory fence instructions (SSE2).
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; @uses No registers, but BS2_SEL_SPARE0 is trashed.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncBEGINPROC TMPL_NM(TestMemFences)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xBP, xSP
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync sub xSP, 80h ; iret stack frame space.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xSI, xSP ; Save the stack register.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xAX, .s_szSubTestName
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM_CMN(TestSub)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; SSE2 supported?
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync xor ecx, ecx
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync test edx, X86_CPUID_FEATURE_EDX_SSE2
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; Check that the standard instruction encodings work.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xBX, [xSP + 10h]
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov [xSP], xAX
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov [xSP], xCX
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xBX, [xSP + 08h]
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov [xSP], xDX
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xBX, [xSP]
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov bx, [xSP + 04h]
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; The instruction encodings in the intel manual may open the RM as well
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; as prefixes open to interpretation. AMD sets RM=0 in their docs.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; lfence = 0f,ea,e8
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; mfence = 0f,ea,f0
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; sfence = 0f,ea,f8
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; (RM is the lower 3 bits of the last byte.)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync%assign MY_RM 0xe8
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_CS, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_DS, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_ES, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_FS, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_GS, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_SS, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_SIZE_ADDR, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync BS2_TRAP_INSTR X86_XCPT_UD, 0, db X86_OP_PRF_SIZE_OP, 0fh, 0aeh, MY_RM ; (used in group)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync BS2_TRAP_INSTR X86_XCPT_UD, 0, db X86_OP_PRF_LOCK, 0fh, 0aeh, MY_RM ; (used in group)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync BS2_TRAP_INSTR X86_XCPT_UD, 0, db X86_OP_PRF_REPZ, 0fh, 0aeh, MY_RM ; (used in group)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync BS2_TRAP_INSTR X86_XCPT_UD, 0, db X86_OP_PRF_REPNZ, 0fh, 0aeh, MY_RM ; (used in group)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync%ifdef TMPL_64BIT
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync %assign MY_REX 0x40
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; Rex prefixes doesn't change anything.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db MY_REX, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_CS, MY_REX, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_DS, MY_REX, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_ES, MY_REX, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_FS, MY_REX, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_GS, MY_REX, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_SS, MY_REX, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_SIZE_ADDR, MY_REX, 0fh, 0aeh, MY_RM
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync BS2_TRAP_INSTR X86_XCPT_UD, 0, db X86_OP_PRF_SIZE_OP, MY_REX, 0fh, 0aeh, MY_RM ; (used in group)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync BS2_TRAP_INSTR X86_XCPT_UD, 0, db X86_OP_PRF_LOCK, MY_REX, 0fh, 0aeh, MY_RM ; (used in group)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync BS2_TRAP_INSTR X86_XCPT_UD, 0, db X86_OP_PRF_REPZ, MY_REX, 0fh, 0aeh, MY_RM ; (used in group)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync BS2_TRAP_INSTR X86_XCPT_UD, 0, db X86_OP_PRF_REPNZ, MY_REX, 0fh, 0aeh, MY_RM ; (used in group)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync %assign MY_REX (MY_REX + 1)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync %assign MY_RM (MY_RM + 1)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM_CMN(TestSubDone)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xSP, xSI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync add xSP, 80h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xAX, .s_szSse2Missing
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM_CMN(TestSubDone)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync.s_szSubTestName:
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db TMPL_MODE_STR, ', mfence et al.', 0
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync.s_szSse2Missing:
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db 'SSE2 is missing', 0
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncENDPROC TMPL_NM(TestMemFences)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; Proving intel manual wrong about using REX.X for BSWAP R8-R15 on 64-bit.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; Checking the 'undefined' 16-bit bswap behavior.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; @uses No registers, but BS2_SEL_SPARE0 is trashed.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncBEGINPROC TMPL_NM(TestBSwap)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xBP, xSP
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync sub xSP, 80h ; iret stack frame space.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xSI, xSP ; Save the stack register.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xAX, .s_szSubTestName
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM_CMN(TestSub)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; Assert sanity.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov eax, 11223344h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TEST_ASSERT_SIMPLE eax, 44332211h, jz, "32-bit BSWAP EAX"
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; Buggy manual (325383-041US, December 2011).
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync%ifdef TMPL_64BIT
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov r8d, 55667788h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov eax, 55667788h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_REX_X
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync bswap eax ; does it access r8 or eax?
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TEST_ASSERT_SIMPLE eax, 88776655h, jz, "REX.X BSWAP EAX - Wrong EAX."
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TEST_ASSERT_SIMPLE r8, 55667788h, jz, "REX.X BSWAP EAX - Wrong R8."
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov r8d, 55667788h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov eax, 55667788h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_REX_R
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync bswap eax ; does it access r8 or eax?
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TEST_ASSERT_SIMPLE eax, 88776655h, jz, "REX.R BSWAP EAX - Wrong EAX."
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TEST_ASSERT_SIMPLE r8, 55667788h, jz, "REX.R BSWAP EAX - Wrong R8."
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov r8d, 55667788h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov eax, 55667788h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_REX_B
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync bswap eax ; does it access r8 or eax?
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TEST_ASSERT_SIMPLE rax, 55667788h, jz, "REX.B BSWAP R8D - Wrong RAX."
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TEST_ASSERT_SIMPLE r8d, 88776655h, jz, "REX.B BSWAP R8D - Wrong R8D."
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; 'Undefined' 16-bit behavior.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; Zeroing of the lower 16-bits has been observed on:
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; - Intel(R) Core(TM) i7-3960X CPU @ 3.30GHz
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync%ifndef TestBSwap16_defined
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync %define TestBSwap16_defined
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync %macro TestBSwap16 3,
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov %3, %2 ; save the primary register.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync %ifdef TMPL_64BIT
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov %2, 0ffffffff98765432h ; Set the upper bit as well.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov %2, 98765432h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync %ifndef TMPL_16BIT
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db X86_OP_PRF_SIZE_OP
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync xchg %2, %3 ; Restore and save the result (xSP).
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TEST_ASSERT_SIMPLE %3, 98760000h, jz, "Unexpected 16-bit BSWAP error."
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 eax, sAX, sSI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 ebx, sBX, sSI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 ecx, sCX, sSI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 edx, sDX, sSI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 esp, sSP, sSI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 ebp, sBP, sSI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 edi, sDI, sSI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 esi, sSI, sDI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync%ifdef TMPL_64BIT
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 r8d, r8, rax
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 r9d, r9, rax
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 r10d, r10, rax
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 r11d, r11, rax
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 r12d, r12, rax
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 r13d, r13, rax
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 r14d, r14, rax
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync TestBSwap16 r15d, r15, rax
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM_CMN(TestSubDone)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync mov xSP, xSI
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync add xSP, 80h
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync.s_szSubTestName:
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync db TMPL_MODE_STR, ', bswap', 0
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncENDPROC TMPL_NM(TestBSwap)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; Do the tests for this mode.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync; @uses nothing
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncBEGINCODELOW
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncBEGINPROC TMPL_NM(DoTestsForMode_rm)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; Check if the mode and NX is supported, do the switch.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM(Bs2IsModeSupported_rm)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM(Bs2EnterMode_rm)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncBITS TMPL_BITS
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; Test exception handler basics using INT3 and #BP.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM(TestMemFences)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM(TestBSwap)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync ; Back to real mode.
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call TMPL_NM(Bs2ExitMode)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsync call Bs2DisableNX_r86
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncENDPROC TMPL_NM(DoTestsForMode_rm)
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncTMPL_BEGINCODE
cf22150eaeeb72431bf1cf65c309a431454fb22bvboxsyncBITS TMPL_BITS