Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 196 insertions, 0 deletions

diff --git a/src/spdk/intel-ipsec-mb/include/clear_regs.asm b/src/spdk/intel-ipsec-mb/include/clear_regs.asm
new file mode 100644
index 000000000..6cb48c49e
--- /dev/null
+++ b/src/spdk/intel-ipsec-mb/include/clear_regs.asm
@@ -0,0 +1,196 @@
+;;
+;; Copyright (c) 2019, 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.
+;;
+
+%ifndef _CLEAR_REGS_ASM_
+%define _CLEAR_REGS_ASM_
+
+%include "include/os.asm"
+
+;
+; This macro clears any GP registers passed
+;
+%macro clear_gps 1-16
+%define %%NUM_REGS %0
+%rep %%NUM_REGS
+        xor %1, %1
+%rotate 1
+%endrep
+%endmacro
+
+;
+; This macro clears any XMM registers passed on SSE
+;
+%macro clear_xmms_sse 1-16
+%define %%NUM_REGS %0
+%rep %%NUM_REGS
+        pxor    %1, %1
+%rotate 1
+%endrep
+%endmacro
+
+;
+; This macro clears any XMM registers passed on AVX
+;
+%macro clear_xmms_avx 1-16
+%define %%NUM_REGS %0
+%rep %%NUM_REGS
+        vpxor   %1, %1
+%rotate 1
+%endrep
+%endmacro
+
+;
+; This macro clears any YMM registers passed
+;
+%macro clear_ymms 1-16
+%define %%NUM_REGS %0
+%rep %%NUM_REGS
+        vpxor   %1, %1
+%rotate 1
+%endrep
+%endmacro
+
+;
+; This macro clears any ZMM registers passed
+;
+%macro clear_zmms 1-32
+%define %%NUM_REGS %0
+%rep %%NUM_REGS
+        vpxorq  %1, %1
+%rotate 1
+%endrep
+%endmacro
+
+;
+; This macro clears all scratch GP registers
+; for Windows or Linux
+;
+%macro clear_scratch_gps_asm 0
+        clear_gps rax, rcx, rdx, r8, r9, r10, r11
+%ifdef LINUX
+        clear_gps rdi, rsi
+%endif
+%endmacro
+
+;
+; This macro clears all scratch XMM registers on SSE
+;
+%macro clear_scratch_xmms_sse_asm 0
+%ifdef LINUX
+%assign i 0
+%rep 16
+        pxor    xmm %+ i, xmm %+ i
+%assign i (i+1)
+%endrep
+; On Windows, XMM0-XMM5 registers are scratch registers
+%else
+%assign i 0
+%rep 6
+        pxor    xmm %+ i, xmm %+ i
+%assign i (i+1)
+%endrep
+%endif ; LINUX
+%endmacro
+
+;
+; This macro clears all scratch XMM registers on AVX
+;
+%macro clear_scratch_xmms_avx_asm 0
+%ifdef LINUX
+        vzeroall
+; On Windows, XMM0-XMM5 registers are scratch registers
+%else
+%assign i 0
+%rep 6
+        vpxor   xmm %+ i, xmm %+ i
+%assign i (i+1)
+%endrep
+%endif ; LINUX
+%endmacro
+
+;
+; This macro clears all scratch YMM registers
+;
+; It should be called before restoring the XMM registers
+; for Windows (XMM6-XMM15)
+;
+%macro clear_scratch_ymms_asm 0
+; On Linux, all YMM registers are scratch registers
+%ifdef LINUX
+        vzeroall
+; On Windows, YMM0-YMM5 registers are scratch registers.
+; YMM6-YMM15 upper 128 bits are scratch registers too, but
+; the lower 128 bits are to be restored after calling these function
+; which clears the upper bits too.
+%else
+%assign i 0
+%rep 6
+        vpxor   ymm %+ i, ymm %+ i
+%assign i (i+1)
+%endrep
+%endif ; LINUX
+%endmacro
+
+;
+; This macro clears all scratch ZMM registers
+;
+; It should be called before restoring the XMM registers
+; for Windows (XMM6-XMM15). YMM registers are used
+; on purpose, since XOR'ing YMM registers is faster
+; than XOR'ing ZMM registers, and the operation clears
+; also the upper 256 bits
+;
+%macro clear_scratch_zmms_asm 0
+; On Linux, all ZMM registers are scratch registers
+%ifdef LINUX
+        vzeroall
+        ;; vzeroall only clears the first 16 ZMM registers
+%assign i 16
+%rep 16
+        vpxorq  ymm %+ i, ymm %+ i
+%assign i (i+1)
+%endrep
+; On Windows, ZMM0-ZMM5 and ZMM16-ZMM31 registers are scratch registers.
+; ZMM6-ZMM15 upper 384 bits are scratch registers too, but
+; the lower 128 bits are to be restored after calling these function
+; which clears the upper bits too.
+%else
+%assign i 0
+%rep 6
+        vpxorq  ymm %+ i, ymm %+ i
+%assign i (i+1)
+%endrep
+
+%assign i 16
+%rep 16
+        vpxorq  ymm %+ i, ymm %+ i
+%assign i (i+1)
+%endrep
+%endif ; LINUX
+%endmacro
+
+%endif ;; _CLEAR_REGS_ASM