diff options
Diffstat (limited to 'src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-2-template.mac')
| -rw-r--r-- | src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-2-template.mac | 1879 |
1 files changed, 1879 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-2-template.mac b/src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-2-template.mac new file mode 100644 index 00000000..a07c37b4 --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-2-template.mac @@ -0,0 +1,1879 @@ +; $Id: bs3-cpu-basic-2-template.mac $ +;; @file +; BS3Kit - bs3-cpu-basic-2 assembly 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 +; + + +;********************************************************************************************************************************* +;* Header Files * +;********************************************************************************************************************************* +%include "bs3kit-template-header.mac" ; setup environment + + +;********************************************************************************************************************************* +;* Defined Constants And Macros * +;********************************************************************************************************************************* +%ifnmacro BS3_CPUBAS2_UD_OFF +%macro BS3_CPUBAS2_UD_OFF 1 +BS3_GLOBAL_NAME_EX BS3_CMN_NM(%1) %+ _offUD, , 1 + db BS3_CMN_NM(%1).again - BS3_CMN_NM(%1) +%endmacro +%endif + +%undef BS3_CPUBAS2_REF_LABEL_VIA_CS +%if TMPL_BITS == 16 + %define BS3_CPUBAS2_REF_LABEL_VIA_CS(a_Label) cs:a_Label +%elif TMPL_BITS == 32 + %define BS3_CPUBAS2_REF_LABEL_VIA_CS(a_Label) cs:a_Label wrt FLAT +%elif TMPL_BITS == 64 + %define BS3_CPUBAS2_REF_LABEL_VIA_CS(a_Label) a_Label wrt FLAT +%else + %error TMPL_BITS +%endif + +;; +; Macro for generating far jmp instruction w/o nasm adding REX.W prefixes. +; +; @param 1 The label of the memory pointer. +; @param 2 Prefix: 0: none, 1: 066h, 2: REX.W, 3: 066h REX.W +%ifnmacro BS3_CPUBAS2_JMP_FAR_MEM_LABEL +%macro BS3_CPUBAS2_JMP_FAR_MEM_LABEL 2 + %if (%2) == 1 || (%2) == 3 + db 066h ; o16/o32 + %endif + %if TMPL_BITS != 64 + jmp far [BS3_CPUBAS2_REF_LABEL_VIA_CS(%1)] + %elif TMPL_BITS == 64 + ; 48FF2C25[040C0000] <3> jmp far [BS3_CPUBAS2_REF_LABLE_VIA_CS(.fpfn)] + %if (%2) == 2 || (%2) == 3 + db 048h ; REX.W + %endif + db 0ffh, 02ch, 025h + dd %1 wrt FLAT + %else + %error TMPL_BITS + %endif +%endmacro +%endif + +;; +; Macro for generating far call instruction w/o nasm adding REX.W prefixes. +; +; @param 1 The label of the memory pointer. +; @param 2 Prefix: 0: none, 1: 066h, 2: REX.W, 3: 066h REX.W +%ifnmacro BS3_CPUBAS2_CALL_FAR_MEM_LABEL +%macro BS3_CPUBAS2_CALL_FAR_MEM_LABEL 2 + %if (%2) == 1 || (%2) == 3 + db 066h ; o16/o32 + %endif + %if TMPL_BITS != 64 + call far [BS3_CPUBAS2_REF_LABEL_VIA_CS(%1)] + %elif TMPL_BITS == 64 + %if (%2) == 2 || (%2) == 3 + db 048h ; REX.W + %endif + db 0ffh, 01ch, 025h ; call far [mem] + dd %1 wrt FLAT + %else + %error TMPL_BITS + %endif +%endmacro +%endif + + +;********************************************************************************************************************************* +;* External Symbols * +;********************************************************************************************************************************* +TMPL_BEGIN_TEXT + + + +; +; Test code snippets containing code which differs between 16-bit, 32-bit +; and 64-bit CPUs modes. +; +%ifdef BS3_INSTANTIATING_CMN + +; +; SIDT +; +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sidt_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sidt_bx_ud2, BS3_PBC_NEAR + sidt [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sidt_bx_ud2) == 3) +BS3_PROC_END_CMN bs3CpuBasic2_sidt_bx_ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sidt_opsize_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sidt_opsize_bx_ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + sidt [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sidt_opsize_bx_ud2) == 4) +BS3_PROC_END_CMN bs3CpuBasic2_sidt_opsize_bx_ud2 + + %if TMPL_BITS == 64 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sidt_rexw_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sidt_rexw_bx_ud2, BS3_PBC_NEAR + db X86_OP_REX_W + sidt [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sidt_rexw_bx_ud2) == 4) +BS3_PROC_END_CMN bs3CpuBasic2_sidt_rexw_bx_ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sidt_opsize_rexw_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sidt_opsize_rexw_bx_ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + db X86_OP_REX_W + sidt [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sidt_opsize_rexw_bx_ud2) == 5) +BS3_PROC_END_CMN bs3CpuBasic2_sidt_opsize_rexw_bx_ud2 + %endif + + %if TMPL_BITS != 64 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sidt_ss_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sidt_ss_bx_ud2, BS3_PBC_NEAR + sidt [ss:xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sidt_ss_bx_ud2) == 4) +BS3_PROC_END_CMN bs3CpuBasic2_sidt_ss_bx_ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sidt_opsize_ss_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sidt_opsize_ss_bx_ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + sidt [ss:xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sidt_opsize_ss_bx_ud2) == 5) +BS3_PROC_END_CMN bs3CpuBasic2_sidt_opsize_ss_bx_ud2 + %endif + + +; +; SGDT +; +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sgdt_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sgdt_bx_ud2, BS3_PBC_NEAR + sgdt [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sgdt_bx_ud2) == 3) +BS3_PROC_END_CMN bs3CpuBasic2_sgdt_bx_ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sgdt_opsize_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sgdt_opsize_bx_ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + sgdt [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sgdt_opsize_bx_ud2) == 4) +BS3_PROC_END_CMN bs3CpuBasic2_sgdt_opsize_bx_ud2 + + %if TMPL_BITS == 64 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sgdt_rexw_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sgdt_rexw_bx_ud2, BS3_PBC_NEAR + db X86_OP_REX_W + sgdt [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sgdt_rexw_bx_ud2) == 4) +BS3_PROC_END_CMN bs3CpuBasic2_sgdt_rexw_bx_ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sgdt_opsize_rexw_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sgdt_opsize_rexw_bx_ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + db X86_OP_REX_W + sgdt [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sgdt_opsize_rexw_bx_ud2) == 5) +BS3_PROC_END_CMN bs3CpuBasic2_sgdt_opsize_rexw_bx_ud2 + %endif + + %if TMPL_BITS != 64 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sgdt_ss_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sgdt_ss_bx_ud2, BS3_PBC_NEAR + sgdt [ss:xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sgdt_ss_bx_ud2) == 4) +BS3_PROC_END_CMN bs3CpuBasic2_sgdt_ss_bx_ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_sgdt_opsize_ss_bx_ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_sgdt_opsize_ss_bx_ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + sgdt [ss:xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_sgdt_opsize_ss_bx_ud2) == 5) +BS3_PROC_END_CMN bs3CpuBasic2_sgdt_opsize_ss_bx_ud2 + %endif + + +; +; LIDT +; +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lidt_bx__sidt_es_di__lidt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lidt_bx__sidt_es_di__lidt_es_si__ud2, BS3_PBC_NEAR + lidt [xBX] + sidt [BS3_NOT_64BIT(es:) xDI] + lidt [BS3_NOT_64BIT(es:) xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lidt_bx__sidt_es_di__lidt_es_si__ud2) == BS3_IF_64BIT_OTHERWISE(9,11)) +BS3_PROC_END_CMN bs3CpuBasic2_lidt_bx__sidt_es_di__lidt_es_si__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lidt_opsize_bx__sidt_es_di__lidt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lidt_opsize_bx__sidt_es_di__lidt_es_si__ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + lidt [xBX] + sidt [BS3_NOT_64BIT(es:) xDI] + lidt [BS3_NOT_64BIT(es:) xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lidt_opsize_bx__sidt_es_di__lidt_es_si__ud2) == BS3_IF_64BIT_OTHERWISE(10,12)) +BS3_PROC_END_CMN bs3CpuBasic2_lidt_opsize_bx__sidt_es_di__lidt_es_si__ud2 + +%if TMPL_BITS == 16 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lidt_opsize_bx__sidt32_es_di__lidt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lidt_opsize_bx__sidt32_es_di__lidt_es_si__ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + lidt [xBX] + jmp dword BS3_SEL_R0_CS32:.in_32bit wrt FLAT + BS3_SET_BITS 32 +.in_32bit: + sidt [es:edi] + lidt [es:esi] + jmp dword BS3_SEL_R0_CS16:.again wrt CGROUP16 + BS3_SET_BITS 16 +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lidt_opsize_bx__sidt32_es_di__lidt_es_si__ud2) == 27) +BS3_PROC_END_CMN bs3CpuBasic2_lidt_opsize_bx__sidt32_es_di__lidt_es_si__ud2 +%endif + + %if TMPL_BITS == 64 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lidt_rexw_bx__sidt_es_di__lidt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lidt_rexw_bx__sidt_es_di__lidt_es_si__ud2, BS3_PBC_NEAR + db X86_OP_REX_W + lidt [xBX] + sidt [xDI] + lidt [xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lidt_rexw_bx__sidt_es_di__lidt_es_si__ud2) == 10) +BS3_PROC_END_CMN bs3CpuBasic2_lidt_rexw_bx__sidt_es_di__lidt_es_si__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lidt_opsize_rexw_bx__sidt_es_di__lidt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lidt_opsize_rexw_bx__sidt_es_di__lidt_es_si__ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + db X86_OP_REX_W + lidt [xBX] + sidt [xDI] + lidt [xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lidt_opsize_rexw_bx__sidt_es_di__lidt_es_si__ud2) == 11) +BS3_PROC_END_CMN bs3CpuBasic2_lidt_opsize_rexw_bx__sidt_es_di__lidt_es_si__ud2 + %endif + + %if TMPL_BITS != 64 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lidt_ss_bx__sidt_es_di__lidt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lidt_ss_bx__sidt_es_di__lidt_es_si__ud2, BS3_PBC_NEAR + lidt [ss:xBX] + sidt [BS3_NOT_64BIT(es:) xDI] + lidt [BS3_NOT_64BIT(es:) xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lidt_ss_bx__sidt_es_di__lidt_es_si__ud2) == 12) +BS3_PROC_END_CMN bs3CpuBasic2_lidt_ss_bx__sidt_es_di__lidt_es_si__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lidt_opsize_ss_bx__sidt_es_di__lidt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lidt_opsize_ss_bx__sidt_es_di__lidt_es_si__ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + lidt [ss:xBX] + sidt [BS3_NOT_64BIT(es:) xDI] + lidt [BS3_NOT_64BIT(es:) xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lidt_opsize_ss_bx__sidt_es_di__lidt_es_si__ud2) == 13) +BS3_PROC_END_CMN bs3CpuBasic2_lidt_opsize_ss_bx__sidt_es_di__lidt_es_si__ud2 + %endif + + +; +; LGDT +; +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lgdt_bx__sgdt_es_di__lgdt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lgdt_bx__sgdt_es_di__lgdt_es_si__ud2, BS3_PBC_NEAR + lgdt [xBX] + sgdt [BS3_NOT_64BIT(es:) xDI] + lgdt [BS3_NOT_64BIT(es:) xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lgdt_bx__sgdt_es_di__lgdt_es_si__ud2) == BS3_IF_64BIT_OTHERWISE(9,11)) +BS3_PROC_END_CMN bs3CpuBasic2_lgdt_bx__sgdt_es_di__lgdt_es_si__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lgdt_opsize_bx__sgdt_es_di__lgdt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lgdt_opsize_bx__sgdt_es_di__lgdt_es_si__ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + lgdt [xBX] + sgdt [BS3_NOT_64BIT(es:) xDI] + lgdt [BS3_NOT_64BIT(es:) xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lgdt_opsize_bx__sgdt_es_di__lgdt_es_si__ud2) == BS3_IF_64BIT_OTHERWISE(10,12)) +BS3_PROC_END_CMN bs3CpuBasic2_lgdt_opsize_bx__sgdt_es_di__lgdt_es_si__ud2 + + %if TMPL_BITS == 64 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lgdt_rexw_bx__sgdt_es_di__lgdt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lgdt_rexw_bx__sgdt_es_di__lgdt_es_si__ud2, BS3_PBC_NEAR + db X86_OP_REX_W + lgdt [xBX] + sgdt [xDI] + lgdt [xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lgdt_rexw_bx__sgdt_es_di__lgdt_es_si__ud2) == 10) +BS3_PROC_END_CMN bs3CpuBasic2_lgdt_rexw_bx__sgdt_es_di__lgdt_es_si__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lgdt_opsize_rexw_bx__sgdt_es_di__lgdt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lgdt_opsize_rexw_bx__sgdt_es_di__lgdt_es_si__ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + db X86_OP_REX_W + lgdt [xBX] + sgdt [xDI] + lgdt [xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lgdt_opsize_rexw_bx__sgdt_es_di__lgdt_es_si__ud2) == 11) +BS3_PROC_END_CMN bs3CpuBasic2_lgdt_opsize_rexw_bx__sgdt_es_di__lgdt_es_si__ud2 + %endif + + %if TMPL_BITS != 64 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lgdt_ss_bx__sgdt_es_di__lgdt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lgdt_ss_bx__sgdt_es_di__lgdt_es_si__ud2, BS3_PBC_NEAR + lgdt [ss:xBX] + sgdt [BS3_NOT_64BIT(es:) xDI] + lgdt [BS3_NOT_64BIT(es:) xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lgdt_ss_bx__sgdt_es_di__lgdt_es_si__ud2) == 12) +BS3_PROC_END_CMN bs3CpuBasic2_lgdt_ss_bx__sgdt_es_di__lgdt_es_si__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_lgdt_opsize_ss_bx__sgdt_es_di__lgdt_es_si__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_lgdt_opsize_ss_bx__sgdt_es_di__lgdt_es_si__ud2, BS3_PBC_NEAR + db X86_OP_PRF_SIZE_OP + lgdt [ss:xBX] + sgdt [BS3_NOT_64BIT(es:) xDI] + lgdt [BS3_NOT_64BIT(es:) xSI] +.again: + ud2 + jmp .again +AssertCompile(.again - BS3_CMN_NM(bs3CpuBasic2_lgdt_opsize_ss_bx__sgdt_es_di__lgdt_es_si__ud2) == 13) +BS3_PROC_END_CMN bs3CpuBasic2_lgdt_opsize_ss_bx__sgdt_es_di__lgdt_es_si__ud2 + %endif ; TMPL_BITS != 64 + +; +; #PF & #AC +; + +; For testing read access. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_mov_ax_ds_bx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_mov_ax_ds_bx__ud2, BS3_PBC_NEAR + mov xAX, [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 2 + (TMPL_BITS == 64)) +BS3_PROC_END_CMN bs3CpuBasic2_mov_ax_ds_bx__ud2 + + +; For testing write access. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_mov_ds_bx_ax__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_mov_ds_bx_ax__ud2, BS3_PBC_NEAR + mov [xBX], xAX +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 2 + (TMPL_BITS == 64)) +BS3_PROC_END_CMN bs3CpuBasic2_mov_ds_bx_ax__ud2 + + +; For testing read+write access. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_xchg_ds_bx_ax__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_xchg_ds_bx_ax__ud2, BS3_PBC_NEAR + xchg [xBX], xAX +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 2 + (TMPL_BITS == 64)) +BS3_PROC_END_CMN bs3CpuBasic2_xchg_ds_bx_ax__ud2 + + +; Another read+write access test. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_cmpxchg_ds_bx_cx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_cmpxchg_ds_bx_cx__ud2, BS3_PBC_NEAR + cmpxchg [xBX], xCX +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 3 + (TMPL_BITS == 64)) +BS3_PROC_END_CMN bs3CpuBasic2_cmpxchg_ds_bx_cx__ud2 + + +; For testing read access from an aborted instruction: DIV by zero +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_div_ds_bx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_div_ds_bx__ud2, BS3_PBC_NEAR + div xPRE [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 2 + (TMPL_BITS == 64)) +BS3_PROC_END_CMN bs3CpuBasic2_div_ds_bx__ud2 + +; For testing FLD m80 alignment (#AC). +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_fninit_fld_ds_bx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_fninit_fld_ds_bx__ud2, BS3_PBC_NEAR + fninit ; make sure to not trigger a stack overflow. +.actual_test_instruction: + fld tword [xBX] +.again: ud2 + jmp .again +AssertCompile(.actual_test_instruction - BS3_LAST_LABEL == 2) +BS3_PROC_END_CMN bs3CpuBasic2_fninit_fld_ds_bx__ud2 + +; For testing FBLD m80 alignment (#AC). +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_fninit_fbld_ds_bx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_fninit_fbld_ds_bx__ud2, BS3_PBC_NEAR + fninit ; make sure to not trigger a stack overflow. +.actual_test_instruction: + fbld tword [xBX] +.again: ud2 + jmp .again +AssertCompile(.actual_test_instruction - BS3_LAST_LABEL == 2) +BS3_PROC_END_CMN bs3CpuBasic2_fninit_fbld_ds_bx__ud2 + +; For testing FST m80 alignment (#AC). +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_fninit_fldz_fstp_ds_bx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_fninit_fldz_fstp_ds_bx__ud2, BS3_PBC_NEAR + fninit ; make sure to not trigger a stack overflow. + fldz ; make sure we've got something to store +.actual_test_instruction: + fstp tword [xBX] +.again: ud2 + jmp .again +AssertCompile(.actual_test_instruction - BS3_LAST_LABEL == 4) +BS3_PROC_END_CMN bs3CpuBasic2_fninit_fldz_fstp_ds_bx__ud2 + +; For testing FXSAVE alignment (#AC/#GP). +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_fxsave_ds_bx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_fxsave_ds_bx__ud2, BS3_PBC_NEAR + fxsave [xBX] +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_fxsave_ds_bx__ud2 + + +; Two memory operands: push [mem] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_push_ds_bx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_push_ds_bx__ud2, BS3_PBC_NEAR + push xPRE [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 2) +BS3_PROC_END_CMN bs3CpuBasic2_push_ds_bx__ud2 + +; Two memory operands: pop [mem] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_push_ax__pop_ds_bx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_push_ax__pop_ds_bx__ud2, BS3_PBC_NEAR + push xAX + pop xPRE [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 3) +BS3_PROC_END_CMN bs3CpuBasic2_push_ax__pop_ds_bx__ud2 + +; Two memory operands: call [mem] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_ds_bx__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_ds_bx__ud2, BS3_PBC_NEAR + call xPRE [xBX] +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 2) +BS3_PROC_END_CMN bs3CpuBasic2_call_ds_bx__ud2 + +; For testing #GP vs #PF write +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_insb__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_insb__ud2, BS3_PBC_NEAR + insb +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 1) +BS3_PROC_END_CMN bs3CpuBasic2_insb__ud2 + + +;********************************************************************************************************************************* +;* Non-far JMP & CALL Tests (simple ones). * +;********************************************************************************************************************************* + +; jmp rel8 (forwards) +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_jb__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_jb__ud2, BS3_PBC_NEAR + jmp short .again +.post_jmp: + times 7 int3 +.again: ud2 + int3 + jmp .again +AssertCompile(.post_jmp - BS3_LAST_LABEL == 2) +BS3_PROC_END_CMN bs3CpuBasic2_jmp_jb__ud2 + + +; jmp rel8 (backwards) +BS3_GLOBAL_NAME_EX RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_jmp_jb_back__ud2),.again), function, 2 + ud2 + times 7 int3 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_jb_back__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_jb_back__ud2, BS3_PBC_NEAR + jmp short .again +.post_jmp: + int3 +AssertCompile(.post_jmp - BS3_LAST_LABEL == 2) +BS3_PROC_END_CMN bs3CpuBasic2_jmp_jb_back__ud2 + + +; jmp rel16 (forwards) +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_jv__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_jv__ud2, BS3_PBC_NEAR + jmp near .again +.post_jmp: + times 9 int3 +.again: ud2 + int3 + jmp .again + %if TMPL_BITS == 16 +AssertCompile(.post_jmp - BS3_LAST_LABEL == 3) + %else +AssertCompile(.post_jmp - BS3_LAST_LABEL == 5) + %endif +BS3_PROC_END_CMN bs3CpuBasic2_jmp_jv__ud2 + + +; jmp rel16 (backwards) +BS3_GLOBAL_NAME_EX RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_jmp_jv_back__ud2),.again), function, 2 + ud2 + times 6 int3 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_jv_back__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_jv_back__ud2, BS3_PBC_NEAR + jmp near .again +.post_jmp: + int3 + %if TMPL_BITS == 16 +AssertCompile(.post_jmp - BS3_LAST_LABEL == 3) + %else +AssertCompile(.post_jmp - BS3_LAST_LABEL == 5) + %endif +BS3_PROC_END_CMN bs3CpuBasic2_jmp_jv_back__ud2 + + +; jmp [indirect] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_ind_mem__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_ind_mem__ud2, BS3_PBC_NEAR +%if TMPL_BITS == 16 + jmp [word cs:.npAgain] +%elif TMPL_BITS == 32 + jmp [dword cs:.npAgain] +%else + jmp [.npAgain] +%endif +.post_jmp: + times 9 int3 +.npAgain: + %if TMPL_BITS == 16 + dw BS3_TEXT16_WRT(.again) + %else + dd .again wrt FLAT + %if TMPL_BITS == 64 + dd 0 + %endif + %endif +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmp_ind_mem__ud2 + +; jmp [xAX] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_ind_xAX__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_ind_xAX__ud2, BS3_PBC_NEAR + jmp xAX +.post_jmp: + times 17 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmp_ind_xAX__ud2 + +; jmp [xDI] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_ind_xDI__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_ind_xDI__ud2, BS3_PBC_NEAR + jmp xDI +.post_jmp: + times 17 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmp_ind_xDI__ud2 + + %if TMPL_BITS == 64 +; jmp [xAX] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_ind_r9__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_ind_r9__ud2, BS3_PBC_NEAR + jmp r9 +.post_jmp: + times 17 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmp_ind_r9__ud2 + %endif + + +; call rel16/32 (forwards) +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_jv__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_jv__ud2, BS3_PBC_NEAR + call near .again +.post_call: + times 9 int3 +.again: ud2 + int3 + jmp .again + %if TMPL_BITS == 16 +AssertCompile(.post_call - BS3_LAST_LABEL == 3) + %else +AssertCompile(.post_call - BS3_LAST_LABEL == 5) + %endif +BS3_PROC_END_CMN bs3CpuBasic2_call_jv__ud2 + +; call rel16/32 (backwards) +BS3_GLOBAL_NAME_EX RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_call_jv_back__ud2),.again), function, 2 + ud2 + times 6 int3 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_jv_back__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_jv_back__ud2, BS3_PBC_NEAR + call near .again +.post_call: + int3 + %if TMPL_BITS == 16 +AssertCompile(.post_call - BS3_LAST_LABEL == 3) + %else +AssertCompile(.post_call - BS3_LAST_LABEL == 5) + %endif +BS3_PROC_END_CMN bs3CpuBasic2_call_jv_back__ud2 + +; call [indirect] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_ind_mem__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_ind_mem__ud2, BS3_PBC_NEAR +%if TMPL_BITS == 16 + call [word cs:.npAgain] +%elif TMPL_BITS == 32 + call [dword cs:.npAgain] +%else + call [.npAgain] +%endif +.post_call: + times 9 int3 +.npAgain: + %if TMPL_BITS == 16 + dw BS3_TEXT16_WRT(.again) + %else + dd .again wrt FLAT + %if TMPL_BITS == 64 + dd 0 + %endif + %endif +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_call_ind_mem__ud2 + +; call [xAX] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_ind_xAX__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_ind_xAX__ud2, BS3_PBC_NEAR + call xAX +.post_call: + times 17 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_call_ind_xAX__ud2 + +; call [xDI] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_ind_xDI__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_ind_xDI__ud2, BS3_PBC_NEAR + call xDI +.post_call: + times 17 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_call_ind_xDI__ud2 + + %if TMPL_BITS == 64 +; call [xAX] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_ind_r9__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_ind_r9__ud2, BS3_PBC_NEAR + call r9 +.post_call: + times 17 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_call_ind_r9__ud2 + %endif + + +; +; When applying opsize, we need to put this in the 16-bit text segment to +; better control where we end up in 32-bit and 64-bit mode. +; +; Try keep the code out of the IVT and BIOS data area. We ASSUME that the +; BS3TEXT16 segment portion in this object file will be at the start of the +; image, so we won't waste much space padding up to offset 0x600. +; +BS3_BEGIN_TEXT16 TMPL_BITS +%if TMPL_BITS == 32 + %assign here ($ - $$) + %if here < 0x600 + times (0x600 - here) int3 + %endif +%endif +BS3_GLOBAL_NAME_EX BS3_CMN_NM(bs3CpuBasic2_jmp_opsize_begin), , 1 + + +; jmp rel8 (forwards) with opsize override. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_jb_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_jb_opsize__ud2, BS3_PBC_NEAR + db 66h + jmp short .again +.post_jmp: + times 8 int3 +.again: ud2 + int3 + jmp .again +AssertCompile(.post_jmp - BS3_LAST_LABEL == 3) +BS3_PROC_END_CMN bs3CpuBasic2_jmp_jb_opsize__ud2 + + +; jmp rel8 (backwards) with opsize override. +BS3_GLOBAL_NAME_EX RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_jmp_jb_opsize_back__ud2),.again), function, 2 + ud2 + times 19 int3 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_jb_opsize_back__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_jb_opsize_back__ud2, BS3_PBC_NEAR + db 66h + jmp short .again +.post_jmp: + int3 +AssertCompile(.post_jmp - BS3_LAST_LABEL == 3) +BS3_PROC_END_CMN bs3CpuBasic2_jmp_jb_opsize_back__ud2 + + +; jmp rel16 (forwards) with opsize override. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_jv_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_jv_opsize__ud2, BS3_PBC_NEAR + db 66h, 0e9h ; o32 jmp near .again + %if TMPL_BITS != 32 + dd 11 + %else + dw 11 + %endif +.post_jmp: + times 11 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmp_jv_opsize__ud2 + + +; jmp rel16 (backwards) with opsize override. +BS3_GLOBAL_NAME_EX RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_jmp_jv_opsize_back__ud2),.again), function, 2 + ud2 + times 19 int3 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_jv_opsize_back__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_jv_opsize_back__ud2, BS3_PBC_NEAR + %if TMPL_BITS != 32 + db 66h, 0e9h ; o32 jmp near .again + dd RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_jmp_jv_opsize_back__ud2),.again) - .post_jmp + %else + db 66h, 0e9h ; o16 jmp near .again + dw RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_jmp_jv_opsize_back__ud2),.again) - .post_jmp + %endif +.post_jmp: + int3 +BS3_PROC_END_CMN bs3CpuBasic2_jmp_jv_opsize_back__ud2 + + +; jmp [indirect] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_ind_mem_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_ind_mem_opsize__ud2, BS3_PBC_NEAR + db 66h + %if TMPL_BITS == 16 + jmp [word cs:.npAgain] + %elif TMPL_BITS == 32 + jmp [dword cs:.npAgain wrt FLAT] + %else + jmp [.npAgain wrt FLAT] + %endif +.post_jmp: + times 9 int3 +.npAgain: + %if TMPL_BITS == 16 + dw BS3_TEXT16_WRT(.again) + dw 0 + %else + dw .again wrt CGROUP16 + dw 0faceh, 0f00dh, 07777h ; non-canonical address + %endif +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmp_ind_mem_opsize__ud2 + + %if TMPL_BITS == 64 +; jmp [indirect] - 64-bit intel version +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_ind_mem_opsize__ud2__intel +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_ind_mem_opsize__ud2__intel, BS3_PBC_NEAR + db 66h + jmp [.npAgain wrt FLAT] +.post_jmp: + times 8 int3 +.npAgain: + dd .again wrt FLAT + dd 0 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmp_ind_mem_opsize__ud2__intel + %endif + +; jmp [xAX] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmp_ind_xAX_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmp_ind_xAX_opsize__ud2, BS3_PBC_NEAR + db 66h + jmp xAX +.post_jmp: + times 8 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmp_ind_xAX_opsize__ud2 + + +; call rel16/32 (forwards) with opsize override. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_jv_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_jv_opsize__ud2, BS3_PBC_NEAR + db 66h, 0e8h ; o32 jmp near .again + %if TMPL_BITS != 32 + dd 12 + %else + dw 12 + %endif +.post_call: + times 12 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_call_jv_opsize__ud2 + + +; call rel16/32 (backwards) with opsize override. +BS3_GLOBAL_NAME_EX RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_call_jv_opsize_back__ud2),.again), function, 2 + ud2 + times 19 int3 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_jv_opsize_back__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_jv_opsize_back__ud2, BS3_PBC_NEAR + %if TMPL_BITS != 32 + db 66h, 0e8h ; o32 call near .again + dd RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_call_jv_opsize_back__ud2),.again) - .post_call + %else + db 66h, 0e8h ; o16 call near .again + dw RT_CONCAT(BS3_CMN_NM(bs3CpuBasic2_call_jv_opsize_back__ud2),.again) - .post_call + %endif +.post_call: + int3 +BS3_PROC_END_CMN bs3CpuBasic2_call_jv_opsize_back__ud2 + +; call [indirect] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_ind_mem_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_ind_mem_opsize__ud2, BS3_PBC_NEAR + db 66h + %if TMPL_BITS == 16 + call [word cs:.npAgain] + %elif TMPL_BITS == 32 + call [dword cs:.npAgain wrt FLAT] + %else + call [.npAgain wrt FLAT] + %endif +.post_call: + times 9 int3 +.npAgain: + %if TMPL_BITS == 16 + dw BS3_TEXT16_WRT(.again) + dw 0 + %else + dw .again wrt CGROUP16 + dw 0faceh, 0f00dh, 07777h ; non-canonical address + %endif +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_call_ind_mem_opsize__ud2 + + %if TMPL_BITS == 64 +; call [indirect] - 64-bit intel version +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_ind_mem_opsize__ud2__intel +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_ind_mem_opsize__ud2__intel, BS3_PBC_NEAR + db 66h + call [.npAgain wrt FLAT] +.post_call: + times 8 int3 +.npAgain: + dd .again wrt FLAT + dd 0 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_call_ind_mem_opsize__ud2__intel + %endif + +; call [xAX] +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_call_ind_xAX_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_call_ind_xAX_opsize__ud2, BS3_PBC_NEAR + db 66h + call xAX +.post_call: + times 8 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_call_ind_xAX_opsize__ud2 + + +; +; Mark the end of the opsize jmp section. +; +BS3_GLOBAL_NAME_EX BS3_CMN_NM(bs3CpuBasic2_jmp_opsize_end), , 1 + int3 +TMPL_BEGIN_TEXT + + +;********************************************************************************************************************************* +;* FAR JMP ABS * +;********************************************************************************************************************************* + +; +; Mark the start of the opsize far jmp/call section. +; +; Here we also need to keep the 16-bit code out of the IVT and BIOS data area, +; not just the 32-bit and 64-bit code like for the above opsize cases. +; +BS3_BEGIN_TEXT16 TMPL_BITS + %assign here $-$$ +%if here < 0x600 + times (0x600 - here) int3 +%endif +BS3_GLOBAL_NAME_EX BS3_CMN_NM(bs3CpuBasic2_far_jmp_call_opsize_begin), , 1 + int3 +TMPL_BEGIN_TEXT + + %if TMPL_BITS == 16 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_ptr_rm__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_ptr_rm__ud2, BS3_PBC_NEAR + db 0eah + dw .again wrt CGROUP16 + dw BS3_SEL_TEXT16 +.post_jmp: + times 2 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_ptr_rm__ud2 + %endif + + %if TMPL_BITS != 64 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_ptr_same_r0__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_ptr_same_r0__ud2, BS3_PBC_NEAR + db 0eah + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R0_CS16 + %else + dd .again wrt FLAT + dw BS3_SEL_R0_CS32 + %endif +.post_jmp: + times 7 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_ptr_same_r0__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_ptr_same_r1__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_ptr_same_r1__ud2, BS3_PBC_NEAR + db 0eah ; inter privilege jmp -> #GP(dst-cs) + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R1_CS16 | 1 + %else + dd .again wrt FLAT + dw BS3_SEL_R1_CS32 | 1 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_ptr_same_r1__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_ptr_same_r2__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_ptr_same_r2__ud2, BS3_PBC_NEAR + db 0eah ; inter privilege jmp -> #GP(dst-cs) + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R2_CS16 | 2 + %else + dd .again wrt FLAT + dw BS3_SEL_R2_CS32 | 2 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_ptr_same_r2__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_ptr_same_r3__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_ptr_same_r3__ud2, BS3_PBC_NEAR + db 0eah ; inter privilege jmp -> #GP(dst-cs) + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R3_CS16 | 3 + %else + dd .again wrt FLAT + dw BS3_SEL_R3_CS32 | 3 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_ptr_same_r3__ud2 + +BS3_BEGIN_TEXT16 TMPL_BITS +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_ptr_opsize_flipbit_r0__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_ptr_opsize_flipbit_r0__ud2, BS3_PBC_NEAR + db 066h, 0eah + %if TMPL_BITS == 32 + dw .again wrt CGROUP16 + dw BS3_SEL_R0_CS16 + %else + dd .again wrt FLAT + dw BS3_SEL_R0_CS32 + %endif + times 4 int3 +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_ptr_opsize_flipbit_r0__ud2 +TMPL_BEGIN_TEXT + +; Do a jmp to BS3_SEL_R0_CS64. Except for when we're in long mode, this will +; result in a 16-bit CS with zero base and 4G limit. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_ptr_r0_cs64__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_ptr_r0_cs64__ud2, BS3_PBC_NEAR + %if TMPL_BITS == 16 + db 066h + %endif + db 0eah + dd .jmp_target wrt FLAT + dw BS3_SEL_R0_CS64 + times 8 int3 +.jmp_target: + salc ; #UD in 64-bit mode +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_ptr_r0_cs64__ud2 + +BS3_BEGIN_TEXT16 TMPL_BITS +; Variation of the previous with a CS16 copy that has the L bit set, emulating +; pre-AMD64 software using the L bit for other stuff. (Don't run in long mode +; w/o copying the 3 bytes to the 0xxxxh memory range.) +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_ptr_r0_cs16l__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_ptr_r0_cs16l__ud2, BS3_PBC_NEAR + %if TMPL_BITS != 16 + db 066h + %endif + db 0eah + dw .jmp_target wrt CGROUP16 + dw BS3_SEL_SPARE_00 ; ASSUMES this is set up as CGROUP16 but with L=1. + times 3 int3 +.jmp_target: + salc ; #UD in 64-bit mode +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_ptr_r0_cs16l__ud2 +TMPL_BEGIN_TEXT + + %endif ; TMPL_BITS != 64 + + + +;********************************************************************************************************************************* +;* FAR CALL ABS * +;********************************************************************************************************************************* + + %if TMPL_BITS == 16 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_ptr_rm__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_ptr_rm__ud2, BS3_PBC_NEAR + db 09ah + dw .again wrt CGROUP16 + dw BS3_SEL_TEXT16 +.post_call: + times 2 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_ptr_rm__ud2 + %endif + + %if TMPL_BITS != 64 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_ptr_same_r0__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_ptr_same_r0__ud2, BS3_PBC_NEAR + db 09ah + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R0_CS16 + %else + dd .again wrt FLAT + dw BS3_SEL_R0_CS32 + %endif +.post_call: + times 7 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_ptr_same_r0__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_ptr_same_r1__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_ptr_same_r1__ud2, BS3_PBC_NEAR + db 09ah + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R1_CS16 | 1 + %else + dd .again wrt FLAT + dw BS3_SEL_R1_CS32 | 1 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_ptr_same_r1__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_ptr_same_r2__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_ptr_same_r2__ud2, BS3_PBC_NEAR + db 09ah + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R2_CS16 | 2 + %else + dd .again wrt FLAT + dw BS3_SEL_R2_CS32 | 2 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_ptr_same_r2__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_ptr_same_r3__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_ptr_same_r3__ud2, BS3_PBC_NEAR + db 09ah + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R3_CS16 | 3 + %else + dd .again wrt FLAT + dw BS3_SEL_R3_CS32 | 3 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_ptr_same_r3__ud2 + +BS3_BEGIN_TEXT16 TMPL_BITS +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_ptr_opsize_flipbit_r0__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_ptr_opsize_flipbit_r0__ud2, BS3_PBC_NEAR + db 066h, 09ah + %if TMPL_BITS == 32 + dw .again wrt CGROUP16 + dw BS3_SEL_R0_CS16 + %else + dd .again wrt FLAT + dw BS3_SEL_R0_CS32 + %endif + times 4 int3 +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_ptr_opsize_flipbit_r0__ud2 +TMPL_BEGIN_TEXT + +; Do a call to BS3_SEL_R0_CS64. Except for when we're in long mode, this will +; result in a 16-bit CS with zero base and 4G limit. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_ptr_r0_cs64__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_ptr_r0_cs64__ud2, BS3_PBC_NEAR + %if TMPL_BITS == 16 + db 066h + %endif + db 09ah + dd .call_target wrt FLAT + dw BS3_SEL_R0_CS64 + times 8 int3 +.call_target: + salc ; #UD in 64-bit mode +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_ptr_r0_cs64__ud2 + +BS3_BEGIN_TEXT16 TMPL_BITS +; Variation of the previous with a CS16 copy that has the L bit set, emulating +; pre-AMD64 software using the L bit for other stuff. (Don't run in long mode +; w/o copying the 3 bytes to the 0xxxxh memory range.) +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_ptr_r0_cs16l__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_ptr_r0_cs16l__ud2, BS3_PBC_NEAR + %if TMPL_BITS != 16 + db 066h + %endif + db 09ah + dw .call_target wrt CGROUP16 + dw BS3_SEL_SPARE_00 ; ASSUMES this is set up as CGROUP16 but with L=1. + times 3 int3 +.call_target: + salc ; #UD in 64-bit mode +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_ptr_r0_cs16l__ud2 +TMPL_BEGIN_TEXT + + %endif ; TMPL_BITS != 64 + + +;********************************************************************************************************************************* +;* INDIRECT FAR JMP * +;********************************************************************************************************************************* + + %if TMPL_BITS == 16 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_mem_rm__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_mem_rm__ud2, BS3_PBC_NEAR + jmp far [BS3_CPUBAS2_REF_LABEL_VIA_CS(.fpfn)] + int3 +.fpfn: + dw .again wrt CGROUP16 + dw BS3_SEL_TEXT16 +.post_jmp: + times 2 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_mem_rm__ud2 + %endif + +;; +; Since AMD and Intel treat REX.W differently, we need two versions of the +; test functions here and use a macro to accomplish that. +; +; @param 1 Symbol suffix +; @param 2 0 for AMD, 1 for Intel. +; +%ifnmacro jmpf_macro +%macro jmpf_macro 2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_mem_same_r0__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_mem_same_r0__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_JMP_FAR_MEM_LABEL .fpfn, 2 +.fpfn: + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R0_CS16 + %elif TMPL_BITS == 32 + dd .again wrt FLAT + dw BS3_SEL_R0_CS32 + %else + dd .again wrt FLAT + %if %2 != 0 + dd 0fffff000h + %endif + dw BS3_SEL_R0_CS64 + %endif +.post_jmp: + times 7 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_mem_same_r0__ud2 %+ %1 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_mem_same_r1__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_mem_same_r1__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_JMP_FAR_MEM_LABEL .fpfn, 2 +.fpfn: + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R1_CS16 | 1 + %elif TMPL_BITS == 32 + dd .again wrt FLAT + dw BS3_SEL_R1_CS32 | 1 + %else + dd .again wrt FLAT + %if %2 != 0 + dd 0fffff000h + %endif + dw BS3_SEL_R1_CS64 | 1 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_mem_same_r1__ud2 %+ %1 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_mem_same_r2__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_mem_same_r2__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_JMP_FAR_MEM_LABEL .fpfn, 0 +.fpfn: + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R2_CS16 | 2 + %elif TMPL_BITS == 32 + dd .again wrt FLAT + dw BS3_SEL_R2_CS32 | 2 + %else + dd .again wrt FLAT + dw BS3_SEL_R2_CS64 | 2 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_mem_same_r2__ud2 %+ %1 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_mem_same_r3__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_mem_same_r3__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_JMP_FAR_MEM_LABEL .fpfn, 2 +.fpfn: + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R3_CS16 | 3 + %elif TMPL_BITS == 32 + dd .again wrt FLAT + dw BS3_SEL_R3_CS32 | 3 + %else + dd .again wrt FLAT + %if %2 != 0 + dd 0fffff000h + %endif + dw BS3_SEL_R3_CS64 | 3 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_mem_same_r3__ud2 %+ %1 + +BS3_BEGIN_TEXT16 TMPL_BITS +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_mem_r0_cs16__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_mem_r0_cs16__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_JMP_FAR_MEM_LABEL .fpfn, (TMPL_BITS != 16) ; TMPL_BITS != 16 ? 1 : 0 +.fpfn: + dw .again wrt CGROUP16 + dw BS3_SEL_R0_CS16 + times 4 int3 +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_mem_r0_cs16__ud2 %+ %1 +TMPL_BEGIN_TEXT + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_mem_r0_cs32__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_mem_r0_cs32__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_JMP_FAR_MEM_LABEL .fpfn, (TMPL_BITS == 16) ; TMPL_BITS == 16 ? 1 : 0 +.fpfn: + dd .again wrt FLAT + dw BS3_SEL_R0_CS32 + times 4 int3 +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_mem_r0_cs32__ud2 %+ %1 + +; Do a jmp to BS3_SEL_R0_CS64. Except for when we're in long mode, this will +; result in a 16-bit CS with zero base and 4G limit. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_mem_r0_cs64__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_mem_r0_cs64__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_JMP_FAR_MEM_LABEL .fpfn, (2 - (TMPL_BITS == 16)) ; TMPL_BITS == 16 ? 1 : 2 +.fpfn: + dd .jmp_target wrt FLAT + %if TMPL_BITS == 64 && %2 != 0 + dd 0fffff000h + %endif + dw BS3_SEL_R0_CS64 + times 8 int3 +.jmp_target: + %if TMPL_BITS != 64 + salc ; #UD in 64-bit mode + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_mem_r0_cs64__ud2 %+ %1 + +BS3_BEGIN_TEXT16 TMPL_BITS +; Variation of the previous with a CS16 copy that has the L bit set, emulating +; pre-AMD64 software using the L bit for other stuff. (Don't run _c16/32 in +; long mode w/o copying the 3 bytes to the 0xxxxh memory range.) +; The _c64 version will test that the base is ignored. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_jmpf_mem_r0_cs16l__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_jmpf_mem_r0_cs16l__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_JMP_FAR_MEM_LABEL .fpfn, (TMPL_BITS == 32) ; TMPL_BITS == 32 ? 1 : 0 +.fpfn: + %if TMPL_BITS != 64 + dw .jmp_target wrt CGROUP16 + %else + dd .jmp_target wrt FLAT + %endif + dw BS3_SEL_SPARE_00 ; ASSUMES this is set up as CGROUP16 but with L=1. + times 3 int3 +.jmp_target: + %if TMPL_BITS != 64 + salc ; #UD in 64-bit mode + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_jmpf_mem_r0_cs16l__ud2 %+ %1 +TMPL_BEGIN_TEXT + +%endmacro +%endif + +; Instantiate the above code +jmpf_macro , 0 + %if TMPL_BITS == 64 +jmpf_macro _intel, 1 + %endif + + +;********************************************************************************************************************************* +;* INDIRECT FAR CALL * +;********************************************************************************************************************************* + + %if TMPL_BITS == 16 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_mem_rm__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_mem_rm__ud2, BS3_PBC_NEAR + call far [BS3_CPUBAS2_REF_LABEL_VIA_CS(.fpfn)] + int3 +.fpfn: + dw .again wrt CGROUP16 + dw BS3_SEL_TEXT16 +.post_jmp: + times 2 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_mem_rm__ud2 + %endif + + +;; +; Since AMD and Intel treat REX.W differently, we need two versions of the +; test functions here and use a macro to accomplish that. +; +; @param 1 Symbol suffix +; @param 2 0 for AMD, 1 for Intel. +; +%ifnmacro callf_macro +%macro callf_macro 2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_mem_same_r0__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_mem_same_r0__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_CALL_FAR_MEM_LABEL .fpfn, 2 +.fpfn: + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R0_CS16 + %elif TMPL_BITS == 32 + dd .again wrt FLAT + dw BS3_SEL_R0_CS32 + %else + dd .again wrt FLAT + %if %2 != 0 + dd 0fffff000h + %endif + dw BS3_SEL_R0_CS64 + %endif +.post_call: + times 7 int3 +.again: ud2 + int3 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_mem_same_r0__ud2 %+ %1 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_mem_same_r1__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_mem_same_r1__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_CALL_FAR_MEM_LABEL .fpfn, 2 +.fpfn: + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R1_CS16 | 1 + %elif TMPL_BITS == 32 + dd .again wrt FLAT + dw BS3_SEL_R1_CS32 | 1 + %else + dd .again wrt FLAT + %if %2 != 0 + dd 0fffff000h + %endif + dw BS3_SEL_R1_CS64 | 1 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_mem_same_r1__ud2 %+ %1 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_mem_same_r2__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_mem_same_r2__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_CALL_FAR_MEM_LABEL .fpfn, 0 +.fpfn: + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R2_CS16 | 2 + %elif TMPL_BITS == 32 + dd .again wrt FLAT + dw BS3_SEL_R2_CS32 | 2 + %else + dd .again wrt FLAT + dw BS3_SEL_R2_CS64 | 2 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_mem_same_r2__ud2 %+ %1 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_mem_same_r3__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_mem_same_r3__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_CALL_FAR_MEM_LABEL .fpfn, 2 +.fpfn: + %if TMPL_BITS == 16 + dw .again wrt CGROUP16 + dw BS3_SEL_R3_CS16 | 3 + %elif TMPL_BITS == 32 + dd .again wrt FLAT + dw BS3_SEL_R3_CS32 | 3 + %else + dd .again wrt FLAT + %if %2 != 0 + dd 0fffff000h + %endif + dw BS3_SEL_R3_CS64 | 3 + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_mem_same_r3__ud2 %+ %1 + +BS3_BEGIN_TEXT16 TMPL_BITS +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_mem_r0_cs16__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_mem_r0_cs16__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_CALL_FAR_MEM_LABEL .fpfn, (TMPL_BITS != 16) ; (TMPL_BITS == 16 ? 0 : 1) +.fpfn: + dw .again wrt CGROUP16 + dw BS3_SEL_R0_CS16 + times 4 int3 +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_mem_r0_cs16__ud2 %+ %1 +TMPL_BEGIN_TEXT + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_mem_r0_cs32__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_mem_r0_cs32__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_CALL_FAR_MEM_LABEL .fpfn, (TMPL_BITS == 16) ; (TMPL_BITS == 16 ? 1 : 0) +.fpfn: + dd .again wrt FLAT + dw BS3_SEL_R0_CS32 + times 4 int3 +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_mem_r0_cs32__ud2 %+ %1 + +; Do a call to BS3_SEL_R0_CS64. Except for when we're in long mode, this will +; result in a 16-bit CS with zero base and 4G limit. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_mem_r0_cs64__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_mem_r0_cs64__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_CALL_FAR_MEM_LABEL .fpfn, (2 - (TMPL_BITS == 16)) ; (TMPL_BITS == 16 ? 1 : 2) +.fpfn: + dd .call_target wrt FLAT + %if TMPL_BITS == 64 && %2 != 0 + dd 0fffff000h + %endif + dw BS3_SEL_R0_CS64 + times 8 int3 +.call_target: + %if TMPL_BITS != 64 + salc ; #UD in 64-bit mode + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_mem_r0_cs64__ud2 %+ %1 + +BS3_BEGIN_TEXT16 TMPL_BITS +; Variation of the previous with a CS16 copy that has the L bit set, emulating +; pre-AMD64 software using the L bit for other stuff. (Don't run _c16/32 in +; long mode w/o copying the 3 bytes to the 0xxxxh memory range.) +; The _c64 version will test that the base is ignored. +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_callf_mem_r0_cs16l__ud2 %+ %1 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_callf_mem_r0_cs16l__ud2 %+ %1, BS3_PBC_NEAR + BS3_CPUBAS2_CALL_FAR_MEM_LABEL .fpfn, (TMPL_BITS == 32) ; (TMPL_BITS == 32 ? 1 : 0) +.fpfn: + %if TMPL_BITS != 64 + dw .call_target wrt CGROUP16 + %else + dd .call_target wrt FLAT + %endif + dw BS3_SEL_SPARE_00 ; ASSUMES this is set up as CGROUP16 but with L=1. + times 3 int3 +.call_target: + %if TMPL_BITS != 64 + salc ; #UD in 64-bit mode + %endif +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_callf_mem_r0_cs16l__ud2 %+ %1 +TMPL_BEGIN_TEXT + +%endmacro ; callf_macro +%endif + +; Instantiate the above code +callf_macro , 0 + %if TMPL_BITS == 64 +callf_macro _intel, 1 + %endif + +; +; Mark the end of the opsize far jmp/call section. +; +BS3_BEGIN_TEXT16 TMPL_BITS +BS3_GLOBAL_NAME_EX BS3_CMN_NM(bs3CpuBasic2_far_jmp_call_opsize_end), , 1 + int3 +TMPL_BEGIN_TEXT + + +;********************************************************************************************************************************* +;* Near RET * +;********************************************************************************************************************************* +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn__ud2, BS3_PBC_NEAR + ret +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_retn__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_i24__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_i24__ud2, BS3_PBC_NEAR + ret 24 +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 3) +BS3_PROC_END_CMN bs3CpuBasic2_retn_i24__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_i0__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_i0__ud2, BS3_PBC_NEAR + ret 0 +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 3) +BS3_PROC_END_CMN bs3CpuBasic2_retn_i0__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_i760__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_i760__ud2, BS3_PBC_NEAR + ret 760 +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 3) +BS3_PROC_END_CMN bs3CpuBasic2_retn_i760__ud2 + + %if TMPL_BITS == 64 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_rexw__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_rexw__ud2, BS3_PBC_NEAR + db 048h ; REX.W + ret +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_retn_rexw__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_i24_rexw__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_i24_rexw__ud2, BS3_PBC_NEAR + db 048h ; REX.W + ret 24 +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 4) +BS3_PROC_END_CMN bs3CpuBasic2_retn_i24_rexw__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_opsize_rexw__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_opsize_rexw__ud2, BS3_PBC_NEAR + db 66h, 048h + ret +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_retn_opsize_rexw__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_i24_opsize_rexw__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_i24_opsize_rexw__ud2, BS3_PBC_NEAR + db 66h, 048h + ret 24 +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 5) +BS3_PROC_END_CMN bs3CpuBasic2_retn_i24_opsize_rexw__ud2 + + %endif + +; Mark the start of opsize tests as we end up below 64K in 32-bit and 64-bit when used. +BS3_BEGIN_TEXT16 TMPL_BITS +BS3_GLOBAL_NAME_EX BS3_CMN_NM(bs3CpuBasic2_retn_opsize_begin), , 1 + int3 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_opsize__ud2, BS3_PBC_NEAR + db 66h + ret +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_retn_opsize__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_i24_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_i24_opsize__ud2, BS3_PBC_NEAR + db 66h + ret 24 +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 4) +BS3_PROC_END_CMN bs3CpuBasic2_retn_i24_opsize__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_i0_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_i0_opsize__ud2, BS3_PBC_NEAR + db 66h + ret 0 +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 4) +BS3_PROC_END_CMN bs3CpuBasic2_retn_i0_opsize__ud2 + + %if TMPL_BITS == 64 +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_rexw_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_rexw_opsize__ud2, BS3_PBC_NEAR + db 048h, 66h + ret +.again: ud2 + jmp .again +BS3_PROC_END_CMN bs3CpuBasic2_retn_rexw_opsize__ud2 + +BS3_CPUBAS2_UD_OFF bs3CpuBasic2_retn_i24_rexw_opsize__ud2 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retn_i24_rexw_opsize__ud2, BS3_PBC_NEAR + db 048h, 66h + ret 24 +.again: ud2 + jmp .again +AssertCompile(.again - BS3_LAST_LABEL == 5) +BS3_PROC_END_CMN bs3CpuBasic2_retn_i24_rexw_opsize__ud2 + %endif + +; End of opsize tests. +BS3_GLOBAL_NAME_EX BS3_CMN_NM(bs3CpuBasic2_retn_opsize_end), , 1 + int3 +TMPL_BEGIN_TEXT + + +;********************************************************************************************************************************* +;* FAR RET * +;********************************************************************************************************************************* +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf, BS3_PBC_NEAR + db 0cbh ; retf +BS3_PROC_END_CMN bs3CpuBasic2_retf + +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_opsize, BS3_PBC_NEAR + db 066h, 0cbh ; o32/o16 retf +BS3_PROC_END_CMN bs3CpuBasic2_retf_opsize + +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_i32, BS3_PBC_NEAR + db 0cah, 20h, 0 ; retf 32 +BS3_PROC_END_CMN bs3CpuBasic2_retf_i32 + +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_i32_opsize, BS3_PBC_NEAR + db 066h, 0cah, 20h, 0 ; o32/o16 retf 32 +BS3_PROC_END_CMN bs3CpuBasic2_retf_i32_opsize + +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_i888, BS3_PBC_NEAR + db 0cah, 78h, 03h ; retf 888 (0x378) +BS3_PROC_END_CMN bs3CpuBasic2_retf_i888 + + %if TMPL_BITS == 64 +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_rexw, BS3_PBC_NEAR + db 048h, 0cbh ; o64 retf +BS3_PROC_END_CMN bs3CpuBasic2_retf_rexw + +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_opsize_rexw, BS3_PBC_NEAR + db 066h, 048h, 0cbh ; o16 o64 retf +BS3_PROC_END_CMN bs3CpuBasic2_retf_opsize_rexw + +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_rexw_opsize, BS3_PBC_NEAR + db 048h, 066h, 0cbh ; o64 o16 retf +BS3_PROC_END_CMN bs3CpuBasic2_retf_rexw_opsize + +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_i24_rexw, BS3_PBC_NEAR + db 048h, 0cah, 24, 0 ; o64 retf 24 +BS3_PROC_END_CMN bs3CpuBasic2_retf_i24_rexw + +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_i24_opsize_rexw, BS3_PBC_NEAR + db 066h, 048h, 0cah, 24, 0 ; o16 o64 retf 24 +BS3_PROC_END_CMN bs3CpuBasic2_retf_i24_opsize_rexw + +BS3_PROC_BEGIN_CMN bs3CpuBasic2_retf_i24_rexw_opsize, BS3_PBC_NEAR + db 048h, 066h, 0cah, 24, 0 ; o64 o16 retf 24 +BS3_PROC_END_CMN bs3CpuBasic2_retf_i24_rexw_opsize + %endif + + +%endif ; BS3_INSTANTIATING_CMN + +%include "bs3kit-template-footer.mac" ; reset environment + |