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;;
;; Copyright (c) 2012-2018, Intel Corporation
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions are met:
;;
;; * Redistributions of source code must retain the above copyright notice,
;; this list of conditions and the following disclaimer.
;; * Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; * Neither the name of Intel Corporation nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;
%include "include/os.asm"
%ifdef LINUX
%define ARG1 rdi
%else
%define ARG1 rcx
%endif
section .text
; void save_xmms(UINT128 array[10])
MKGLOBAL(save_xmms,function,internal)
save_xmms:
movdqa [ARG1 + 0*16], xmm6
movdqa [ARG1 + 1*16], xmm7
movdqa [ARG1 + 2*16], xmm8
movdqa [ARG1 + 3*16], xmm9
movdqa [ARG1 + 4*16], xmm10
movdqa [ARG1 + 5*16], xmm11
movdqa [ARG1 + 6*16], xmm12
movdqa [ARG1 + 7*16], xmm13
movdqa [ARG1 + 8*16], xmm14
movdqa [ARG1 + 9*16], xmm15
ret
; void restore_xmms(UINT128 array[10])
MKGLOBAL(restore_xmms,function,internal)
restore_xmms:
movdqa xmm6, [ARG1 + 0*16]
movdqa xmm7, [ARG1 + 1*16]
movdqa xmm8, [ARG1 + 2*16]
movdqa xmm9, [ARG1 + 3*16]
movdqa xmm10, [ARG1 + 4*16]
movdqa xmm11, [ARG1 + 5*16]
movdqa xmm12, [ARG1 + 6*16]
movdqa xmm13, [ARG1 + 7*16]
movdqa xmm14, [ARG1 + 8*16]
movdqa xmm15, [ARG1 + 9*16]
%ifdef SAFE_DATA
;; Clear potential sensitive data stored in stack
pxor xmm0, xmm0
movdqa [ARG1 + 0 * 16], xmm0
movdqa [ARG1 + 1 * 16], xmm0
movdqa [ARG1 + 2 * 16], xmm0
movdqa [ARG1 + 3 * 16], xmm0
movdqa [ARG1 + 4 * 16], xmm0
movdqa [ARG1 + 5 * 16], xmm0
movdqa [ARG1 + 6 * 16], xmm0
movdqa [ARG1 + 7 * 16], xmm0
movdqa [ARG1 + 8 * 16], xmm0
movdqa [ARG1 + 9 * 16], xmm0
%endif
ret
; void save_xmms_avx(UINT128 array[10])
MKGLOBAL(save_xmms_avx,function,internal)
save_xmms_avx:
vmovdqa [ARG1 + 0*16], xmm6
vmovdqa [ARG1 + 1*16], xmm7
vmovdqa [ARG1 + 2*16], xmm8
vmovdqa [ARG1 + 3*16], xmm9
vmovdqa [ARG1 + 4*16], xmm10
vmovdqa [ARG1 + 5*16], xmm11
vmovdqa [ARG1 + 6*16], xmm12
vmovdqa [ARG1 + 7*16], xmm13
vmovdqa [ARG1 + 8*16], xmm14
vmovdqa [ARG1 + 9*16], xmm15
ret
; void restore_xmms_avx(UINT128 array[10])
MKGLOBAL(restore_xmms_avx,function,internal)
restore_xmms_avx:
vmovdqa xmm6, [ARG1 + 0*16]
vmovdqa xmm7, [ARG1 + 1*16]
vmovdqa xmm8, [ARG1 + 2*16]
vmovdqa xmm9, [ARG1 + 3*16]
vmovdqa xmm10, [ARG1 + 4*16]
vmovdqa xmm11, [ARG1 + 5*16]
vmovdqa xmm12, [ARG1 + 6*16]
vmovdqa xmm13, [ARG1 + 7*16]
vmovdqa xmm14, [ARG1 + 8*16]
vmovdqa xmm15, [ARG1 + 9*16]
%ifdef SAFE_DATA
;; Clear potential sensitive data stored in stack
vpxor xmm0, xmm0
vmovdqa [ARG1 + 0 * 16], xmm0
vmovdqa [ARG1 + 1 * 16], xmm0
vmovdqa [ARG1 + 2 * 16], xmm0
vmovdqa [ARG1 + 3 * 16], xmm0
vmovdqa [ARG1 + 4 * 16], xmm0
vmovdqa [ARG1 + 5 * 16], xmm0
vmovdqa [ARG1 + 6 * 16], xmm0
vmovdqa [ARG1 + 7 * 16], xmm0
vmovdqa [ARG1 + 8 * 16], xmm0
vmovdqa [ARG1 + 9 * 16], xmm0
%endif
ret
%ifdef LINUX
section .note.GNU-stack noalloc noexec nowrite progbits
%endif
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