diff options
Diffstat (limited to 'src/spdk/intel-ipsec-mb/avx/sha512_x2_avx.asm')
| -rw-r--r-- | src/spdk/intel-ipsec-mb/avx/sha512_x2_avx.asm | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/src/spdk/intel-ipsec-mb/avx/sha512_x2_avx.asm b/src/spdk/intel-ipsec-mb/avx/sha512_x2_avx.asm new file mode 100644 index 000000000..d7d712e2c --- /dev/null +++ b/src/spdk/intel-ipsec-mb/avx/sha512_x2_avx.asm @@ -0,0 +1,381 @@ +;; +;; 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. +;; + +;; code to compute SHA512 by-2 using AVX +;; outer calling routine takes care of save and restore of XMM registers +;; Logic designed/laid out by JDG + +;; Function clobbers: rax, rcx, rdx, rbx, rsi, rdi, r9-r15; ymm0-15 +;; Stack must be aligned to 16 bytes before call +;; Windows clobbers: rax rdx r8 r9 r10 r11 +;; Windows preserves: rbx rcx rsi rdi rbp r12 r13 r14 r15 +;; +;; Linux clobbers: rax rsi r8 r9 r10 r11 +;; Linux preserves: rbx rcx rdx rdi rbp r12 r13 r14 r15 +;; +;; clobbers xmm0-15 + +%include "include/os.asm" +%include "mb_mgr_datastruct.asm" +extern K512_2 + +section .data +default rel + +align 32 +; one from sha512_rorx +; this does the big endian to little endian conversion +; over a quad word +PSHUFFLE_BYTE_FLIP_MASK: ;ddq 0x08090a0b0c0d0e0f0001020304050607 + dq 0x0001020304050607, 0x08090a0b0c0d0e0f + ;ddq 0x18191a1b1c1d1e1f1011121314151617 + dq 0x1011121314151617, 0x18191a1b1c1d1e1f + +section .text + +%ifdef LINUX ; Linux definitions +%define arg1 rdi +%define arg2 rsi +%else ; Windows definitions +%define arg1 rcx +%define arg2 rdx +%endif + +; Common definitions +%define STATE arg1 +%define INP_SIZE arg2 + +%define IDX rax +%define ROUND r8 +%define TBL r11 + +%define inp0 r9 +%define inp1 r10 + +%define a xmm0 +%define b xmm1 +%define c xmm2 +%define d xmm3 +%define e xmm4 +%define f xmm5 +%define g xmm6 +%define h xmm7 + +%define a0 xmm8 +%define a1 xmm9 +%define a2 xmm10 + +%define TT0 xmm14 +%define TT1 xmm13 +%define TT2 xmm12 +%define TT3 xmm11 +%define TT4 xmm10 +%define TT5 xmm9 + +%define T1 xmm14 +%define TMP xmm15 + + + +%define SZ2 2*SHA512_DIGEST_WORD_SIZE ; Size of one vector register +%define ROUNDS 80*SZ2 + +; Define stack usage + +struc STACK +_DATA: resb SZ2 * 16 +_DIGEST: resb SZ2 * NUM_SHA512_DIGEST_WORDS + resb 8 ; for alignment, must be odd multiple of 8 +endstruc + +%define VMOVPD vmovupd + +; transpose r0, r1, t0 +; Input looks like {r0 r1} +; r0 = {a1 a0} +; r1 = {b1 b0} +; +; output looks like +; r0 = {b0, a0} +; t0 = {b1, a1} + +%macro TRANSPOSE 3 +%define %%r0 %1 +%define %%r1 %2 +%define %%t0 %3 + vshufpd %%t0, %%r0, %%r1, 11b ; t0 = b1 a1 + vshufpd %%r0, %%r0, %%r1, 00b ; r0 = b0 a0 +%endm + + +%macro ROTATE_ARGS 0 +%xdefine TMP_ h +%xdefine h g +%xdefine g f +%xdefine f e +%xdefine e d +%xdefine d c +%xdefine c b +%xdefine b a +%xdefine a TMP_ +%endm + +; PRORQ reg, imm, tmp +; packed-rotate-right-double +; does a rotate by doing two shifts and an or +%macro PRORQ 3 +%define %%reg %1 +%define %%imm %2 +%define %%tmp %3 + vpsllq %%tmp, %%reg, (64-(%%imm)) + vpsrlq %%reg, %%reg, %%imm + vpor %%reg, %%reg, %%tmp +%endmacro + +; non-destructive +; PRORQ_nd reg, imm, tmp, src +%macro PRORQ_nd 4 +%define %%reg %1 +%define %%imm %2 +%define %%tmp %3 +%define %%src %4 + vpsllq %%tmp, %%src, (64-(%%imm)) + vpsrlq %%reg, %%src, %%imm + vpor %%reg, %%reg, %%tmp +%endmacro + +; PRORQ dst/src, amt +%macro PRORQ 2 + PRORQ %1, %2, TMP +%endmacro + +; PRORQ_nd dst, src, amt +%macro PRORQ_nd 3 + PRORQ_nd %1, %3, TMP, %2 +%endmacro + + + +;; arguments passed implicitly in preprocessor symbols i, a...h +%macro ROUND_00_15 2 +%define %%T1 %1 +%define %%i %2 + PRORQ_nd a0, e, (18-14) ; sig1: a0 = (e >> 4) + + vpxor a2, f, g ; ch: a2 = f^g + vpand a2, a2, e ; ch: a2 = (f^g)&e + vpxor a2, a2, g ; a2 = ch + + PRORQ_nd a1, e, 41 ; sig1: a1 = (e >> 41) + vmovdqa [SZ2*(%%i&0xf) + rsp + _DATA],%%T1 + vpaddq %%T1,%%T1,[TBL + ROUND] ; T1 = W + K + vpxor a0, a0, e ; sig1: a0 = e ^ (e >> 5) + PRORQ a0, 14 ; sig1: a0 = (e >> 14) ^ (e >> 18) + vpaddq h, h, a2 ; h = h + ch + PRORQ_nd a2, a, (34-28) ; sig0: a2 = (a >> 6) + vpaddq h, h, %%T1 ; h = h + ch + W + K + vpxor a0, a0, a1 ; a0 = sigma1 + vmovdqa %%T1, a ; maj: T1 = a + PRORQ_nd a1, a, 39 ; sig0: a1 = (a >> 39) + vpxor %%T1, %%T1, c ; maj: T1 = a^c + add ROUND, SZ2 ; ROUND++ + vpand %%T1, %%T1, b ; maj: T1 = (a^c)&b + vpaddq h, h, a0 + + vpaddq d, d, h + + vpxor a2, a2, a ; sig0: a2 = a ^ (a >> 11) + PRORQ a2, 28 ; sig0: a2 = (a >> 28) ^ (a >> 34) + vpxor a2, a2, a1 ; a2 = sig0 + vpand a1, a, c ; maj: a1 = a&c + vpor a1, a1, %%T1 ; a1 = maj + vpaddq h, h, a1 ; h = h + ch + W + K + maj + vpaddq h, h, a2 ; h = h + ch + W + K + maj + sigma0 + ROTATE_ARGS + +%endm + + +;; arguments passed implicitly in preprocessor symbols i, a...h +%macro ROUND_16_XX 2 +%define %%T1 %1 +%define %%i %2 + vmovdqa %%T1, [SZ2*((%%i-15)&0xf) + rsp + _DATA] + vmovdqa a1, [SZ2*((%%i-2)&0xf) + rsp + _DATA] + vmovdqa a0, %%T1 + PRORQ %%T1, 8-1 + vmovdqa a2, a1 + PRORQ a1, 61-19 + vpxor %%T1, %%T1, a0 + PRORQ %%T1, 1 + vpxor a1, a1, a2 + PRORQ a1, 19 + vpsrlq a0, a0, 7 + vpxor %%T1, %%T1, a0 + vpsrlq a2, a2, 6 + vpxor a1, a1, a2 + vpaddq %%T1, %%T1, [SZ2*((%%i-16)&0xf) + rsp + _DATA] + vpaddq a1, a1, [SZ2*((%%i-7)&0xf) + rsp + _DATA] + vpaddq %%T1, %%T1, a1 + + ROUND_00_15 %%T1, %%i + +%endm + + + +;; SHA512_ARGS: +;; UINT128 digest[8]; // transposed digests +;; UINT8 *data_ptr[2]; +;; + +;; void sha512_x2_avx(SHA512_ARGS *args, UINT64 msg_size_in_blocks) +;; arg 1 : STATE : pointer args +;; arg 2 : INP_SIZE : size of data in blocks (assumed >= 1) +;; +MKGLOBAL(sha512_x2_avx,function,internal) +align 32 +sha512_x2_avx: + ; general registers preserved in outer calling routine + ; outer calling routine saves all the XMM registers + + sub rsp, STACK_size + + ;; Load the pre-transposed incoming digest. + vmovdqa a,[STATE + 0 * SHA512_DIGEST_ROW_SIZE] + vmovdqa b,[STATE + 1 * SHA512_DIGEST_ROW_SIZE] + vmovdqa c,[STATE + 2 * SHA512_DIGEST_ROW_SIZE] + vmovdqa d,[STATE + 3 * SHA512_DIGEST_ROW_SIZE] + vmovdqa e,[STATE + 4 * SHA512_DIGEST_ROW_SIZE] + vmovdqa f,[STATE + 5 * SHA512_DIGEST_ROW_SIZE] + vmovdqa g,[STATE + 6 * SHA512_DIGEST_ROW_SIZE] + vmovdqa h,[STATE + 7 * SHA512_DIGEST_ROW_SIZE] + + lea TBL,[rel K512_2] + + ;; load the address of each of the 2 message lanes + ;; getting ready to transpose input onto stack + mov inp0,[STATE + _data_ptr_sha512 +0*PTR_SZ] + mov inp1,[STATE + _data_ptr_sha512 +1*PTR_SZ] + + xor IDX, IDX +lloop: + + xor ROUND, ROUND + + ;; save old digest + vmovdqa [rsp + _DIGEST + 0*SZ2], a + vmovdqa [rsp + _DIGEST + 1*SZ2], b + vmovdqa [rsp + _DIGEST + 2*SZ2], c + vmovdqa [rsp + _DIGEST + 3*SZ2], d + vmovdqa [rsp + _DIGEST + 4*SZ2], e + vmovdqa [rsp + _DIGEST + 5*SZ2], f + vmovdqa [rsp + _DIGEST + 6*SZ2], g + vmovdqa [rsp + _DIGEST + 7*SZ2], h + +%assign i 0 +%rep 8 + ;; load up the shuffler for little-endian to big-endian format + vmovdqa TMP, [rel PSHUFFLE_BYTE_FLIP_MASK] + VMOVPD TT0,[inp0+IDX+i*16] ;; double precision is 64 bits + VMOVPD TT2,[inp1+IDX+i*16] + + TRANSPOSE TT0, TT2, TT1 + vpshufb TT0, TT0, TMP + vpshufb TT1, TT1, TMP + + ROUND_00_15 TT0,(i*2+0) + ROUND_00_15 TT1,(i*2+1) +%assign i (i+1) +%endrep + +;; Increment IDX by message block size == 8 (loop) * 16 (XMM width in bytes) + add IDX, 8 * 16 + +%assign i (i*4) + + jmp Lrounds_16_xx +align 16 +Lrounds_16_xx: +%rep 16 + ROUND_16_XX T1, i +%assign i (i+1) +%endrep + + cmp ROUND,ROUNDS + jb Lrounds_16_xx + + ;; add old digest + vpaddq a, a, [rsp + _DIGEST + 0*SZ2] + vpaddq b, b, [rsp + _DIGEST + 1*SZ2] + vpaddq c, c, [rsp + _DIGEST + 2*SZ2] + vpaddq d, d, [rsp + _DIGEST + 3*SZ2] + vpaddq e, e, [rsp + _DIGEST + 4*SZ2] + vpaddq f, f, [rsp + _DIGEST + 5*SZ2] + vpaddq g, g, [rsp + _DIGEST + 6*SZ2] + vpaddq h, h, [rsp + _DIGEST + 7*SZ2] + + sub INP_SIZE, 1 ;; consumed one message block + jne lloop + + ; write back to memory (state object) the transposed digest + vmovdqa [STATE+0*SHA512_DIGEST_ROW_SIZE],a + vmovdqa [STATE+1*SHA512_DIGEST_ROW_SIZE],b + vmovdqa [STATE+2*SHA512_DIGEST_ROW_SIZE],c + vmovdqa [STATE+3*SHA512_DIGEST_ROW_SIZE],d + vmovdqa [STATE+4*SHA512_DIGEST_ROW_SIZE],e + vmovdqa [STATE+5*SHA512_DIGEST_ROW_SIZE],f + vmovdqa [STATE+6*SHA512_DIGEST_ROW_SIZE],g + vmovdqa [STATE+7*SHA512_DIGEST_ROW_SIZE],h + + ; update input pointers + add inp0, IDX + mov [STATE + _data_ptr_sha512 + 0*PTR_SZ], inp0 + add inp1, IDX + mov [STATE + _data_ptr_sha512 + 1*PTR_SZ], inp1 + + ;;;;;;;;;;;;;;;; + ;; Postamble + + ;; Clear stack frame ((16 + 8)*16 bytes) +%ifdef SAFE_DATA + vpxor xmm0, xmm0 +%assign i 0 +%rep (16+NUM_SHA512_DIGEST_WORDS) + vmovdqa [rsp + i*SZ2], xmm0 +%assign i (i+1) +%endrep +%endif + + add rsp, STACK_size + + ; outer calling routine restores XMM and other GP registers + ret + +%ifdef LINUX +section .note.GNU-stack noalloc noexec nowrite progbits +%endif |