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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/VMM/VMMAll/VMMAllA.asm | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/VMM/VMMAll/VMMAllA.asm')
-rw-r--r-- | src/VBox/VMM/VMMAll/VMMAllA.asm | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/VBox/VMM/VMMAll/VMMAllA.asm b/src/VBox/VMM/VMMAll/VMMAllA.asm new file mode 100644 index 00000000..93a25e76 --- /dev/null +++ b/src/VBox/VMM/VMMAll/VMMAllA.asm @@ -0,0 +1,93 @@ +; $Id: VMMAllA.asm $ +;; @file +; VMM - All Contexts Assembly Routines. +; + +; +; Copyright (C) 2009-2023 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>. +; +; SPDX-License-Identifier: GPL-3.0-only +; + +;******************************************************************************* +;* Header Files * +;******************************************************************************* +%include "VBox/asmdefs.mac" + + +;******************************************************************************* +;* Defined Constants And Macros * +;******************************************************************************* +%ifdef IN_RING3 + %ifdef RT_ARCH_AMD64 + %define VMM_TRASH_XMM_REGS + %endif +%endif +%ifdef IN_RING0 + %ifdef RT_ARCH_AMD64 + %ifdef RT_OS_WINDOWS + %define VMM_TRASH_XMM_REGS + %endif + %endif +%endif +%ifndef VMM_TRASH_XMM_REGS + %ifdef VBOX_WITH_KERNEL_USING_XMM + %define VMM_TRASH_XMM_REGS + %endif +%endif + +BEGINCODE + + +;; +; Trashes the volatile XMM registers in the current ABI. +; +BEGINPROC VMMTrashVolatileXMMRegs +%ifdef VMM_TRASH_XMM_REGS + push xBP + mov xBP, xSP + + ; take whatever is on the stack. + and xSP, ~15 + sub xSP, 80h + + movdqa xmm0, [xSP + 0] + movdqa xmm1, [xSP + 010h] + movdqa xmm2, [xSP + 020h] + movdqa xmm3, [xSP + 030h] + movdqa xmm4, [xSP + 040h] + movdqa xmm5, [xSP + 050h] + %ifdef ASM_CALL64_GCC + movdqa xmm6, [xSP + 060h] + movdqa xmm7, [xSP + 070h] + movdqa xmm8, [xSP + 000h] + movdqa xmm9, [xSP + 010h] + movdqa xmm10,[xSP + 020h] + movdqa xmm11,[xSP + 030h] + movdqa xmm12,[xSP + 040h] + movdqa xmm13,[xSP + 050h] + movdqa xmm14,[xSP + 060h] + movdqa xmm15,[xSP + 070h] + %endif + leave +%endif ; VMM_TRASH_XMM_REGS + xor eax, eax ; for good measure. + ret +ENDPROC VMMTrashVolatileXMMRegs + |