From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Runtime/common/asm/ASMCpuId.asm | 121 +++++++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 src/VBox/Runtime/common/asm/ASMCpuId.asm (limited to 'src/VBox/Runtime/common/asm/ASMCpuId.asm') diff --git a/src/VBox/Runtime/common/asm/ASMCpuId.asm b/src/VBox/Runtime/common/asm/ASMCpuId.asm new file mode 100644 index 00000000..62c31426 --- /dev/null +++ b/src/VBox/Runtime/common/asm/ASMCpuId.asm @@ -0,0 +1,121 @@ +; $Id: ASMCpuId.asm $ +;; @file +; IPRT - ASMCpuIdExSlow(). +; + +; +; Copyright (C) 2012-2023 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 . +; +; 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 "iprt/asmdefs.mac" + +BEGINCODE + +;; +; CPUID with EAX input, returning ALL output registers (no NULL checking). +; +; @param uOperator 8086:bp+4 x86:ebp+8 gcc:rdi msc:rcx +; @param pvEAX 8086:bp+8 x86:ebp+0c gcc:rsi msc:rdx +; @param pvEBX 8086:bp+0c x86:ebp+10 gcc:rdx msc:r8 +; @param pvECX 8086:bp+10 x86:ebp+14 gcc:rcx msc:r9 +; @param pvEDX 8086:bp+14 x86:ebp+18 gcc:r8 msc:rbp+30h +; +; DECLASM(void) ASMCpuId(uint32_t uOperator, void *pvEAX, void *pvEBX, void *pvECX, void *pvEDX); +; +RT_BEGINPROC ASMCpuId + push xBP + mov xBP, xSP + push xBX + +%ifdef ASM_CALL64_MSC + %if ARCH_BITS != 64 + %error ARCH_BITS mismatch? + %endif + mov eax, ecx + mov r10, rdx + cpuid + mov [r10], eax + mov [r8], ebx + mov [r9], ecx + mov r10, [rbp+30h] + mov [r10], edx + +%elifdef ASM_CALL64_GCC + mov eax, edi + mov r10, rdx + mov r11, rcx + cpuid + mov [rsi], eax + mov [r10], ebx + mov [r11], ecx + mov [r8], edx + +%elif ARCH_BITS == 32 + mov eax, [xBP + 08h] + cpuid + push edx + mov edx, [xBP + 0ch] + mov [edx], eax + mov edx, [xBP + 10h] + mov [edx], ebx + mov edx, [xBP + 14h] + mov [edx], ecx + mov edx, [xBP + 18h] + pop dword [edx] + +%elif ARCH_BITS == 16 + push es + push di + + mov eax, [xBP + 04h] + cpuid + les di, [xBP + 08h] + mov [di], eax + les di, [xBP + 0ch] + mov [di], ebx + les di, [xBP + 10h] + mov [di], ecx + les di, [xBP + 14h] + mov [di], edx + + pop di + pop es +%else + %error unsupported arch +%endif + + pop xBX + leave + ret +ENDPROC ASMCpuId + -- cgit v1.2.3