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Diffstat (limited to 'src/spdk/intel-ipsec-mb/avx/sha_256_mult_avx.asm')
| -rw-r--r-- | src/spdk/intel-ipsec-mb/avx/sha_256_mult_avx.asm | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/src/spdk/intel-ipsec-mb/avx/sha_256_mult_avx.asm b/src/spdk/intel-ipsec-mb/avx/sha_256_mult_avx.asm new file mode 100644 index 00000000..8458b866 --- /dev/null +++ b/src/spdk/intel-ipsec-mb/avx/sha_256_mult_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 quad SHA256 using AVX +;; outer calling routine takes care of save and restore of XMM registers +;; Logic designed/laid out by JDG + +;; Stack must be aligned to 16 bytes before call +;; Windows clobbers: rax rbx rdx r8 r9 r10 r11 r12 +;; Windows preserves: rcx rsi rdi rbp r12 r14 r15 +;; +;; Linux clobbers: rax rbx rsi r8 r9 r10 r11 r12 +;; Linux preserves: rcx rdx rdi rbp r13 r14 r15 +;; +;; clobbers xmm0-15 + +%include "os.asm" +%include "mb_mgr_datastruct.asm" + +extern K256_4 + +%ifdef LINUX + %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 rbx +%define TBL r12 + +%define inp0 r8 +%define inp1 r9 +%define inp2 r10 +%define inp3 r11 + +%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 SZ4 4*SHA256_DIGEST_WORD_SIZE ; Size of one vector register +%define ROUNDS 64*SZ4 + +; Define stack usage +struc STACK +_DATA: resb SZ4 * 16 +_DIGEST: resb SZ4 * NUM_SHA256_DIGEST_WORDS + resb 8 ; for alignment, must be odd multiple of 8 +endstruc + +%define VMOVPS vmovups + +; transpose r0, r1, r2, r3, t0, t1 +; "transpose" data in {r0..r3} using temps {t0..t3} +; Input looks like: {r0 r1 r2 r3} +; r0 = {a3 a2 a1 a0} +; r1 = {b3 b2 b1 b0} +; r2 = {c3 c2 c1 c0} +; r3 = {d3 d2 d1 d0} +; +; output looks like: {t0 r1 r0 r3} +; t0 = {d0 c0 b0 a0} +; r1 = {d1 c1 b1 a1} +; r0 = {d2 c2 b2 a2} +; r3 = {d3 c3 b3 a3} +; +%macro TRANSPOSE 6 +%define %%r0 %1 +%define %%r1 %2 +%define %%r2 %3 +%define %%r3 %4 +%define %%t0 %5 +%define %%t1 %6 + vshufps %%t0, %%r0, %%r1, 0x44 ; t0 = {b1 b0 a1 a0} + vshufps %%r0, %%r0, %%r1, 0xEE ; r0 = {b3 b2 a3 a2} + + vshufps %%t1, %%r2, %%r3, 0x44 ; t1 = {d1 d0 c1 c0} + vshufps %%r2, %%r2, %%r3, 0xEE ; r2 = {d3 d2 c3 c2} + + vshufps %%r1, %%t0, %%t1, 0xDD ; r1 = {d1 c1 b1 a1} + + vshufps %%r3, %%r0, %%r2, 0xDD ; r3 = {d3 c3 b3 a3} + + vshufps %%r0, %%r0, %%r2, 0x88 ; r0 = {d2 c2 b2 a2} + vshufps %%t0, %%t0, %%t1, 0x88 ; t0 = {d0 c0 b0 a0} +%endmacro + + + +%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 + +; PRORD reg, imm, tmp +%macro PRORD 3 +%define %%reg %1 +%define %%imm %2 +%define %%tmp %3 + vpslld %%tmp, %%reg, (32-(%%imm)) + vpsrld %%reg, %%reg, %%imm + vpor %%reg, %%reg, %%tmp +%endmacro + +; non-destructive +; PRORD_nd reg, imm, tmp, src +%macro PRORD_nd 4 +%define %%reg %1 +%define %%imm %2 +%define %%tmp %3 +%define %%src %4 + ;vmovdqa %%tmp, %%reg + vpslld %%tmp, %%src, (32-(%%imm)) + vpsrld %%reg, %%src, %%imm + vpor %%reg, %%reg, %%tmp +%endmacro + +; PRORD dst/src, amt +%macro PRORD 2 + PRORD %1, %2, TMP +%endmacro + +; PRORD_nd dst, src, amt +%macro PRORD_nd 3 + PRORD_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 + PRORD_nd a0, e, (11-6) ; sig1: a0 = (e >> 5) + + vpxor a2, f, g ; ch: a2 = f^g + vpand a2, a2, e ; ch: a2 = (f^g)&e + vpxor a2, a2, g ; a2 = ch + + PRORD_nd a1, e, 25 ; sig1: a1 = (e >> 25) + vmovdqa [SZ4*(%%i&0xf) + rsp + _DATA], %%T1 + vpaddd %%T1, %%T1, [TBL + ROUND] ; T1 = W + K + vpxor a0, a0, e ; sig1: a0 = e ^ (e >> 5) + PRORD a0, 6 ; sig1: a0 = (e >> 6) ^ (e >> 11) + vpaddd h, h, a2 ; h = h + ch + PRORD_nd a2, a, (13-2) ; sig0: a2 = (a >> 11) + vpaddd h, h, %%T1 ; h = h + ch + W + K + vpxor a0, a0, a1 ; a0 = sigma1 + PRORD_nd a1, a, 22 ; sig0: a1 = (a >> 22) + vpxor %%T1, a, c ; maj: T1 = a^c + add ROUND, SZ4 ; ROUND++ + vpand %%T1, %%T1, b ; maj: T1 = (a^c)&b + vpaddd h, h, a0 + + vpaddd d, d, h + + vpxor a2, a2, a ; sig0: a2 = a ^ (a >> 11) + PRORD a2, 2 ; sig0: a2 = (a >> 2) ^ (a >> 13) + vpxor a2, a2, a1 ; a2 = sig0 + vpand a1, a, c ; maj: a1 = a&c + vpor a1, a1, %%T1 ; a1 = maj + vpaddd h, h, a1 ; h = h + ch + W + K + maj + vpaddd 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, [SZ4*((%%i-15)&0xf) + rsp + _DATA] + vmovdqa a1, [SZ4*((%%i-2)&0xf) + rsp + _DATA] + vmovdqa a0, %%T1 + PRORD %%T1, 18-7 + vmovdqa a2, a1 + PRORD a1, 19-17 + vpxor %%T1, %%T1, a0 + PRORD %%T1, 7 + vpxor a1, a1, a2 + PRORD a1, 17 + vpsrld a0, a0, 3 + vpxor %%T1, %%T1, a0 + vpsrld a2, a2, 10 + vpxor a1, a1, a2 + vpaddd %%T1, %%T1, [SZ4*((%%i-16)&0xf) + rsp + _DATA] + vpaddd a1, a1, [SZ4*((%%i-7)&0xf) + rsp + _DATA] + vpaddd %%T1, %%T1, a1 + + ROUND_00_15 %%T1, %%i +%endm + +section .data +default rel +align 16 +PSHUFFLE_BYTE_FLIP_MASK: ;ddq 0x0c0d0e0f08090a0b0405060700010203 + dq 0x0405060700010203, 0x0c0d0e0f08090a0b + +section .text + +;; SHA256_ARGS: +;; UINT128 digest[8]; // transposed digests +;; UINT8 *data_ptr[4]; +;; + +;; void sha_256_mult_avx(SHA256_ARGS *args, UINT64 num_blocks); +;; arg 1 : STATE : pointer args +;; arg 2 : INP_SIZE : size of data in blocks (assumed >= 1) +;; +MKGLOBAL(sha_256_mult_avx,function,internal) +align 16 +sha_256_mult_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*SHA256_DIGEST_ROW_SIZE] + vmovdqa b,[STATE+1*SHA256_DIGEST_ROW_SIZE] + vmovdqa c,[STATE+2*SHA256_DIGEST_ROW_SIZE] + vmovdqa d,[STATE+3*SHA256_DIGEST_ROW_SIZE] + vmovdqa e,[STATE+4*SHA256_DIGEST_ROW_SIZE] + vmovdqa f,[STATE+5*SHA256_DIGEST_ROW_SIZE] + vmovdqa g,[STATE+6*SHA256_DIGEST_ROW_SIZE] + vmovdqa h,[STATE+7*SHA256_DIGEST_ROW_SIZE] + + lea TBL,[rel K256_4] + + ;; load the address of each of the 4 message lanes + ;; getting ready to transpose input onto stack + mov inp0,[STATE + _data_ptr_sha256 + 0*PTR_SZ] + mov inp1,[STATE + _data_ptr_sha256 + 1*PTR_SZ] + mov inp2,[STATE + _data_ptr_sha256 + 2*PTR_SZ] + mov inp3,[STATE + _data_ptr_sha256 + 3*PTR_SZ] + + xor IDX, IDX +lloop: + xor ROUND, ROUND + + ;; save old digest + vmovdqa [rsp + _DIGEST + 0*SZ4], a + vmovdqa [rsp + _DIGEST + 1*SZ4], b + vmovdqa [rsp + _DIGEST + 2*SZ4], c + vmovdqa [rsp + _DIGEST + 3*SZ4], d + vmovdqa [rsp + _DIGEST + 4*SZ4], e + vmovdqa [rsp + _DIGEST + 5*SZ4], f + vmovdqa [rsp + _DIGEST + 6*SZ4], g + vmovdqa [rsp + _DIGEST + 7*SZ4], h + +%assign i 0 +%rep 4 + vmovdqa TMP, [rel PSHUFFLE_BYTE_FLIP_MASK] + VMOVPS TT2,[inp0+IDX+i*16] + VMOVPS TT1,[inp1+IDX+i*16] + VMOVPS TT4,[inp2+IDX+i*16] + VMOVPS TT3,[inp3+IDX+i*16] + TRANSPOSE TT2, TT1, TT4, TT3, TT0, TT5 + vpshufb TT0, TT0, TMP + vpshufb TT1, TT1, TMP + vpshufb TT2, TT2, TMP + vpshufb TT3, TT3, TMP + ROUND_00_15 TT0,(i*4+0) + ROUND_00_15 TT1,(i*4+1) + ROUND_00_15 TT2,(i*4+2) + ROUND_00_15 TT3,(i*4+3) +%assign i (i+1) +%endrep + add IDX, 4*4*4 + +%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 + vpaddd a, a, [rsp + _DIGEST + 0*SZ4] + vpaddd b, b, [rsp + _DIGEST + 1*SZ4] + vpaddd c, c, [rsp + _DIGEST + 2*SZ4] + vpaddd d, d, [rsp + _DIGEST + 3*SZ4] + vpaddd e, e, [rsp + _DIGEST + 4*SZ4] + vpaddd f, f, [rsp + _DIGEST + 5*SZ4] + vpaddd g, g, [rsp + _DIGEST + 6*SZ4] + vpaddd h, h, [rsp + _DIGEST + 7*SZ4] + + sub INP_SIZE, 1 ;; unit is blocks + jne lloop + + ; write back to memory (state object) the transposed digest + vmovdqa [STATE+0*SHA256_DIGEST_ROW_SIZE],a + vmovdqa [STATE+1*SHA256_DIGEST_ROW_SIZE],b + vmovdqa [STATE+2*SHA256_DIGEST_ROW_SIZE],c + vmovdqa [STATE+3*SHA256_DIGEST_ROW_SIZE],d + vmovdqa [STATE+4*SHA256_DIGEST_ROW_SIZE],e + vmovdqa [STATE+5*SHA256_DIGEST_ROW_SIZE],f + vmovdqa [STATE+6*SHA256_DIGEST_ROW_SIZE],g + vmovdqa [STATE+7*SHA256_DIGEST_ROW_SIZE],h + + ; update input pointers + add inp0, IDX + mov [STATE + _data_ptr_sha256 + 0*8], inp0 + add inp1, IDX + mov [STATE + _data_ptr_sha256 + 1*8], inp1 + add inp2, IDX + mov [STATE + _data_ptr_sha256 + 2*8], inp2 + add inp3, IDX + mov [STATE + _data_ptr_sha256 + 3*8], inp3 + + ;;;;;;;;;;;;;;;; + ;; Postamble + + 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 |