--- /dev/null
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; Copyright (c) 2012, Intel Corporation
+;
+; All rights reserved.
+;
+; 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 the 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 INTEL CORPORATION "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 INTEL CORPORATION 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.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;
+; Example YASM command lines:
+; Windows: yasm -Xvc -f x64 -rnasm -pnasm -o sha256_sse4.obj -g cv8 sha256_sse4.asm
+; Linux: yasm -f x64 -f elf64 -X gnu -g dwarf2 -D LINUX -o sha256_sse4.o sha256_sse4.asm
+;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;
+; This code is described in an Intel White-Paper:
+; "Fast SHA-256 Implementations on Intel Architecture Processors"
+;
+; To find it, surf to http://www.intel.com/p/en_US/embedded
+; and search for that title.
+; The paper is expected to be released roughly at the end of April, 2012
+;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; This code schedules 1 blocks at a time, with 4 lanes per block
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+%define MOVDQ movdqu ;; assume buffers not aligned
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Define Macros
+
+; addm [mem], reg
+; Add reg to mem using reg-mem add and store
+%macro addm 2
+ add %2, %1
+ mov %1, %2
+%endm
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+; COPY_XMM_AND_BSWAP xmm, [mem], byte_flip_mask
+; Load xmm with mem and byte swap each dword
+%macro COPY_XMM_AND_BSWAP 3
+ MOVDQ %1, %2
+ pshufb %1, %3
+%endmacro
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+%define X0 xmm4
+%define X1 xmm5
+%define X2 xmm6
+%define X3 xmm7
+
+%define XTMP0 xmm0
+%define XTMP1 xmm1
+%define XTMP2 xmm2
+%define XTMP3 xmm3
+%define XTMP4 xmm8
+%define XFER xmm9
+
+%define SHUF_00BA xmm10 ; shuffle xBxA -> 00BA
+%define SHUF_DC00 xmm11 ; shuffle xDxC -> DC00
+%define BYTE_FLIP_MASK xmm12
+
+%ifdef LINUX
+%define NUM_BLKS rdx ; 3rd arg
+%define CTX rsi ; 2nd arg
+%define INP rdi ; 1st arg
+
+%define SRND rdi ; clobbers INP
+%define c ecx
+%define d r8d
+%define e edx
+%else
+%define NUM_BLKS r8 ; 3rd arg
+%define CTX rdx ; 2nd arg
+%define INP rcx ; 1st arg
+
+%define SRND rcx ; clobbers INP
+%define c edi
+%define d esi
+%define e r8d
+
+%endif
+%define TBL rbp
+%define a eax
+%define b ebx
+
+%define f r9d
+%define g r10d
+%define h r11d
+
+%define y0 r13d
+%define y1 r14d
+%define y2 r15d
+
+
+
+_INP_END_SIZE equ 8
+_INP_SIZE equ 8
+_XFER_SIZE equ 8
+%ifdef LINUX
+_XMM_SAVE_SIZE equ 0
+%else
+_XMM_SAVE_SIZE equ 7*16
+%endif
+; STACK_SIZE plus pushes must be an odd multiple of 8
+_ALIGN_SIZE equ 8
+
+_INP_END equ 0
+_INP equ _INP_END + _INP_END_SIZE
+_XFER equ _INP + _INP_SIZE
+_XMM_SAVE equ _XFER + _XFER_SIZE + _ALIGN_SIZE
+STACK_SIZE equ _XMM_SAVE + _XMM_SAVE_SIZE
+
+; rotate_Xs
+; Rotate values of symbols X0...X3
+%macro rotate_Xs 0
+%xdefine X_ X0
+%xdefine X0 X1
+%xdefine X1 X2
+%xdefine X2 X3
+%xdefine X3 X_
+%endm
+
+; ROTATE_ARGS
+; Rotate values of symbols a...h
+%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
+
+%macro FOUR_ROUNDS_AND_SCHED 0
+ ;; compute s0 four at a time and s1 two at a time
+ ;; compute W[-16] + W[-7] 4 at a time
+ movdqa XTMP0, X3
+ mov y0, e ; y0 = e
+ ror y0, (25-11) ; y0 = e >> (25-11)
+ mov y1, a ; y1 = a
+ palignr XTMP0, X2, 4 ; XTMP0 = W[-7]
+ ror y1, (22-13) ; y1 = a >> (22-13)
+ xor y0, e ; y0 = e ^ (e >> (25-11))
+ mov y2, f ; y2 = f
+ ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
+ movdqa XTMP1, X1
+ xor y1, a ; y1 = a ^ (a >> (22-13)
+ xor y2, g ; y2 = f^g
+ paddd XTMP0, X0 ; XTMP0 = W[-7] + W[-16]
+ xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
+ and y2, e ; y2 = (f^g)&e
+ ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
+ ;; compute s0
+ palignr XTMP1, X0, 4 ; XTMP1 = W[-15]
+ xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
+ ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
+ xor y2, g ; y2 = CH = ((f^g)&e)^g
+ movdqa XTMP2, XTMP1 ; XTMP2 = W[-15]
+ ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
+ add y2, y0 ; y2 = S1 + CH
+ add y2, [rsp + _XFER + 0*4] ; y2 = k + w + S1 + CH
+ movdqa XTMP3, XTMP1 ; XTMP3 = W[-15]
+ mov y0, a ; y0 = a
+ add h, y2 ; h = h + S1 + CH + k + w
+ mov y2, a ; y2 = a
+ pslld XTMP1, (32-7)
+ or y0, c ; y0 = a|c
+ add d, h ; d = d + h + S1 + CH + k + w
+ and y2, c ; y2 = a&c
+ psrld XTMP2, 7
+ and y0, b ; y0 = (a|c)&b
+ add h, y1 ; h = h + S1 + CH + k + w + S0
+ por XTMP1, XTMP2 ; XTMP1 = W[-15] ror 7
+ or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
+ add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
+
+ROTATE_ARGS
+ movdqa XTMP2, XTMP3 ; XTMP2 = W[-15]
+ mov y0, e ; y0 = e
+ mov y1, a ; y1 = a
+ movdqa XTMP4, XTMP3 ; XTMP4 = W[-15]
+ ror y0, (25-11) ; y0 = e >> (25-11)
+ xor y0, e ; y0 = e ^ (e >> (25-11))
+ mov y2, f ; y2 = f
+ ror y1, (22-13) ; y1 = a >> (22-13)
+ pslld XTMP3, (32-18)
+ xor y1, a ; y1 = a ^ (a >> (22-13)
+ ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
+ xor y2, g ; y2 = f^g
+ psrld XTMP2, 18
+ ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
+ xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
+ and y2, e ; y2 = (f^g)&e
+ ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
+ pxor XTMP1, XTMP3
+ xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
+ xor y2, g ; y2 = CH = ((f^g)&e)^g
+ psrld XTMP4, 3 ; XTMP4 = W[-15] >> 3
+ add y2, y0 ; y2 = S1 + CH
+ add y2, [rsp + _XFER + 1*4] ; y2 = k + w + S1 + CH
+ ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
+ pxor XTMP1, XTMP2 ; XTMP1 = W[-15] ror 7 ^ W[-15] ror 18
+ mov y0, a ; y0 = a
+ add h, y2 ; h = h + S1 + CH + k + w
+ mov y2, a ; y2 = a
+ pxor XTMP1, XTMP4 ; XTMP1 = s0
+ or y0, c ; y0 = a|c
+ add d, h ; d = d + h + S1 + CH + k + w
+ and y2, c ; y2 = a&c
+ ;; compute low s1
+ pshufd XTMP2, X3, 11111010b ; XTMP2 = W[-2] {BBAA}
+ and y0, b ; y0 = (a|c)&b
+ add h, y1 ; h = h + S1 + CH + k + w + S0
+ paddd XTMP0, XTMP1 ; XTMP0 = W[-16] + W[-7] + s0
+ or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
+ add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
+
+ROTATE_ARGS
+ movdqa XTMP3, XTMP2 ; XTMP3 = W[-2] {BBAA}
+ mov y0, e ; y0 = e
+ mov y1, a ; y1 = a
+ ror y0, (25-11) ; y0 = e >> (25-11)
+ movdqa XTMP4, XTMP2 ; XTMP4 = W[-2] {BBAA}
+ xor y0, e ; y0 = e ^ (e >> (25-11))
+ ror y1, (22-13) ; y1 = a >> (22-13)
+ mov y2, f ; y2 = f
+ xor y1, a ; y1 = a ^ (a >> (22-13)
+ ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
+ psrlq XTMP2, 17 ; XTMP2 = W[-2] ror 17 {xBxA}
+ xor y2, g ; y2 = f^g
+ psrlq XTMP3, 19 ; XTMP3 = W[-2] ror 19 {xBxA}
+ xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
+ and y2, e ; y2 = (f^g)&e
+ psrld XTMP4, 10 ; XTMP4 = W[-2] >> 10 {BBAA}
+ ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
+ xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
+ xor y2, g ; y2 = CH = ((f^g)&e)^g
+ ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
+ pxor XTMP2, XTMP3
+ add y2, y0 ; y2 = S1 + CH
+ ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
+ add y2, [rsp + _XFER + 2*4] ; y2 = k + w + S1 + CH
+ pxor XTMP4, XTMP2 ; XTMP4 = s1 {xBxA}
+ mov y0, a ; y0 = a
+ add h, y2 ; h = h + S1 + CH + k + w
+ mov y2, a ; y2 = a
+ pshufb XTMP4, SHUF_00BA ; XTMP4 = s1 {00BA}
+ or y0, c ; y0 = a|c
+ add d, h ; d = d + h + S1 + CH + k + w
+ and y2, c ; y2 = a&c
+ paddd XTMP0, XTMP4 ; XTMP0 = {..., ..., W[1], W[0]}
+ and y0, b ; y0 = (a|c)&b
+ add h, y1 ; h = h + S1 + CH + k + w + S0
+ ;; compute high s1
+ pshufd XTMP2, XTMP0, 01010000b ; XTMP2 = W[-2] {DDCC}
+ or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
+ add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
+
+ROTATE_ARGS
+ movdqa XTMP3, XTMP2 ; XTMP3 = W[-2] {DDCC}
+ mov y0, e ; y0 = e
+ ror y0, (25-11) ; y0 = e >> (25-11)
+ mov y1, a ; y1 = a
+ movdqa X0, XTMP2 ; X0 = W[-2] {DDCC}
+ ror y1, (22-13) ; y1 = a >> (22-13)
+ xor y0, e ; y0 = e ^ (e >> (25-11))
+ mov y2, f ; y2 = f
+ ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
+ psrlq XTMP2, 17 ; XTMP2 = W[-2] ror 17 {xDxC}
+ xor y1, a ; y1 = a ^ (a >> (22-13)
+ xor y2, g ; y2 = f^g
+ psrlq XTMP3, 19 ; XTMP3 = W[-2] ror 19 {xDxC}
+ xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
+ and y2, e ; y2 = (f^g)&e
+ ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
+ psrld X0, 10 ; X0 = W[-2] >> 10 {DDCC}
+ xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
+ ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
+ xor y2, g ; y2 = CH = ((f^g)&e)^g
+ pxor XTMP2, XTMP3
+ ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
+ add y2, y0 ; y2 = S1 + CH
+ add y2, [rsp + _XFER + 3*4] ; y2 = k + w + S1 + CH
+ pxor X0, XTMP2 ; X0 = s1 {xDxC}
+ mov y0, a ; y0 = a
+ add h, y2 ; h = h + S1 + CH + k + w
+ mov y2, a ; y2 = a
+ pshufb X0, SHUF_DC00 ; X0 = s1 {DC00}
+ or y0, c ; y0 = a|c
+ add d, h ; d = d + h + S1 + CH + k + w
+ and y2, c ; y2 = a&c
+ paddd X0, XTMP0 ; X0 = {W[3], W[2], W[1], W[0]}
+ and y0, b ; y0 = (a|c)&b
+ add h, y1 ; h = h + S1 + CH + k + w + S0
+ or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
+ add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
+
+ROTATE_ARGS
+rotate_Xs
+%endm
+
+;; input is [rsp + _XFER + %1 * 4]
+%macro DO_ROUND 1
+ mov y0, e ; y0 = e
+ ror y0, (25-11) ; y0 = e >> (25-11)
+ mov y1, a ; y1 = a
+ xor y0, e ; y0 = e ^ (e >> (25-11))
+ ror y1, (22-13) ; y1 = a >> (22-13)
+ mov y2, f ; y2 = f
+ xor y1, a ; y1 = a ^ (a >> (22-13)
+ ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
+ xor y2, g ; y2 = f^g
+ xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
+ ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
+ and y2, e ; y2 = (f^g)&e
+ xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
+ ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
+ xor y2, g ; y2 = CH = ((f^g)&e)^g
+ add y2, y0 ; y2 = S1 + CH
+ ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
+ add y2, [rsp + _XFER + %1 * 4] ; y2 = k + w + S1 + CH
+ mov y0, a ; y0 = a
+ add h, y2 ; h = h + S1 + CH + k + w
+ mov y2, a ; y2 = a
+ or y0, c ; y0 = a|c
+ add d, h ; d = d + h + S1 + CH + k + w
+ and y2, c ; y2 = a&c
+ and y0, b ; y0 = (a|c)&b
+ add h, y1 ; h = h + S1 + CH + k + w + S0
+ or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
+ add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
+ ROTATE_ARGS
+%endm
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; void sha256_sse4(void *input_data, UINT32 digest[8], UINT64 num_blks)
+;; arg 1 : pointer to input data
+;; arg 2 : pointer to digest
+;; arg 3 : Num blocks
+section .text
+global sha256_sse4
+align 32
+sha256_sse4:
+ push rbx
+%ifndef LINUX
+ push rsi
+ push rdi
+%endif
+ push rbp
+ push r13
+ push r14
+ push r15
+
+ sub rsp,STACK_SIZE
+%ifndef LINUX
+ movdqa [rsp + _XMM_SAVE + 0*16],xmm6
+ movdqa [rsp + _XMM_SAVE + 1*16],xmm7
+ movdqa [rsp + _XMM_SAVE + 2*16],xmm8
+ movdqa [rsp + _XMM_SAVE + 3*16],xmm9
+ movdqa [rsp + _XMM_SAVE + 4*16],xmm10
+ movdqa [rsp + _XMM_SAVE + 5*16],xmm11
+ movdqa [rsp + _XMM_SAVE + 6*16],xmm12
+%endif
+
+ shl NUM_BLKS, 6 ; convert to bytes
+ jz done_hash
+ add NUM_BLKS, INP ; pointer to end of data
+ mov [rsp + _INP_END], NUM_BLKS
+
+ ;; load initial digest
+ mov a,[4*0 + CTX]
+ mov b,[4*1 + CTX]
+ mov c,[4*2 + CTX]
+ mov d,[4*3 + CTX]
+ mov e,[4*4 + CTX]
+ mov f,[4*5 + CTX]
+ mov g,[4*6 + CTX]
+ mov h,[4*7 + CTX]
+
+ movdqa BYTE_FLIP_MASK, [PSHUFFLE_BYTE_FLIP_MASK wrt rip]
+ movdqa SHUF_00BA, [_SHUF_00BA wrt rip]
+ movdqa SHUF_DC00, [_SHUF_DC00 wrt rip]
+
+loop0:
+ lea TBL,[K256 wrt rip]
+
+ ;; byte swap first 16 dwords
+ COPY_XMM_AND_BSWAP X0, [INP + 0*16], BYTE_FLIP_MASK
+ COPY_XMM_AND_BSWAP X1, [INP + 1*16], BYTE_FLIP_MASK
+ COPY_XMM_AND_BSWAP X2, [INP + 2*16], BYTE_FLIP_MASK
+ COPY_XMM_AND_BSWAP X3, [INP + 3*16], BYTE_FLIP_MASK
+
+ mov [rsp + _INP], INP
+
+ ;; schedule 48 input dwords, by doing 3 rounds of 16 each
+ mov SRND, 3
+align 16
+loop1:
+ movdqa XFER, [TBL + 0*16]
+ paddd XFER, X0
+ movdqa [rsp + _XFER], XFER
+ FOUR_ROUNDS_AND_SCHED
+
+ movdqa XFER, [TBL + 1*16]
+ paddd XFER, X0
+ movdqa [rsp + _XFER], XFER
+ FOUR_ROUNDS_AND_SCHED
+
+ movdqa XFER, [TBL + 2*16]
+ paddd XFER, X0
+ movdqa [rsp + _XFER], XFER
+ FOUR_ROUNDS_AND_SCHED
+
+ movdqa XFER, [TBL + 3*16]
+ paddd XFER, X0
+ movdqa [rsp + _XFER], XFER
+ add TBL, 4*16
+ FOUR_ROUNDS_AND_SCHED
+
+ sub SRND, 1
+ jne loop1
+
+ mov SRND, 2
+loop2:
+ paddd X0, [TBL + 0*16]
+ movdqa [rsp + _XFER], X0
+ DO_ROUND 0
+ DO_ROUND 1
+ DO_ROUND 2
+ DO_ROUND 3
+ paddd X1, [TBL + 1*16]
+ movdqa [rsp + _XFER], X1
+ add TBL, 2*16
+ DO_ROUND 0
+ DO_ROUND 1
+ DO_ROUND 2
+ DO_ROUND 3
+
+ movdqa X0, X2
+ movdqa X1, X3
+
+ sub SRND, 1
+ jne loop2
+
+ addm [4*0 + CTX],a
+ addm [4*1 + CTX],b
+ addm [4*2 + CTX],c
+ addm [4*3 + CTX],d
+ addm [4*4 + CTX],e
+ addm [4*5 + CTX],f
+ addm [4*6 + CTX],g
+ addm [4*7 + CTX],h
+
+ mov INP, [rsp + _INP]
+ add INP, 64
+ cmp INP, [rsp + _INP_END]
+ jne loop0
+
+done_hash:
+%ifndef LINUX
+ movdqa xmm6,[rsp + _XMM_SAVE + 0*16]
+ movdqa xmm7,[rsp + _XMM_SAVE + 1*16]
+ movdqa xmm8,[rsp + _XMM_SAVE + 2*16]
+ movdqa xmm9,[rsp + _XMM_SAVE + 3*16]
+ movdqa xmm10,[rsp + _XMM_SAVE + 4*16]
+ movdqa xmm11,[rsp + _XMM_SAVE + 5*16]
+ movdqa xmm12,[rsp + _XMM_SAVE + 6*16]
+%endif
+
+ add rsp, STACK_SIZE
+
+ pop r15
+ pop r14
+ pop r13
+ pop rbp
+%ifndef LINUX
+ pop rdi
+ pop rsi
+%endif
+ pop rbx
+
+ ret
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; void sha256_sse4_swap(void *input_data, UINT32 digest[8], UINT64 num_blks)
+;; arg 1 : pointer to input data
+;; arg 2 : pointer to digest
+;; arg 3 : Num blocks
+section .text
+global sha256_sse4_swap
+align 32
+sha256_sse4_swap:
+ push rbx
+%ifndef LINUX
+ push rsi
+ push rdi
+%endif
+ push rbp
+ push r13
+ push r14
+ push r15
+
+ sub rsp,STACK_SIZE
+%ifndef LINUX
+ movdqa [rsp + _XMM_SAVE + 0*16],xmm6
+ movdqa [rsp + _XMM_SAVE + 1*16],xmm7
+ movdqa [rsp + _XMM_SAVE + 2*16],xmm8
+ movdqa [rsp + _XMM_SAVE + 3*16],xmm9
+ movdqa [rsp + _XMM_SAVE + 4*16],xmm10
+ movdqa [rsp + _XMM_SAVE + 5*16],xmm11
+ movdqa [rsp + _XMM_SAVE + 6*16],xmm12
+%endif
+
+ shl NUM_BLKS, 6 ; convert to bytes
+ jz done_hash_swap
+ add NUM_BLKS, INP ; pointer to end of data
+ mov [rsp + _INP_END], NUM_BLKS
+
+ ;; load initial digest
+ mov a,[4*0 + CTX]
+ mov b,[4*1 + CTX]
+ mov c,[4*2 + CTX]
+ mov d,[4*3 + CTX]
+ mov e,[4*4 + CTX]
+ mov f,[4*5 + CTX]
+ mov g,[4*6 + CTX]
+ mov h,[4*7 + CTX]
+
+ movdqa BYTE_FLIP_MASK, [PSHUFFLE_BYTE_FLIP_MASK wrt rip]
+ movdqa SHUF_00BA, [_SHUF_00BA wrt rip]
+ movdqa SHUF_DC00, [_SHUF_DC00 wrt rip]
+
+loop0_swap:
+ lea TBL,[K256 wrt rip]
+
+ ;; byte swap first 16 dwords
+ COPY_XMM_AND_BSWAP X0, [INP + 0*16], BYTE_FLIP_MASK
+ COPY_XMM_AND_BSWAP X1, [INP + 1*16], BYTE_FLIP_MASK
+ COPY_XMM_AND_BSWAP X2, [INP + 2*16], BYTE_FLIP_MASK
+ COPY_XMM_AND_BSWAP X3, [INP + 3*16], BYTE_FLIP_MASK
+
+ mov [rsp + _INP], INP
+
+ ;; schedule 48 input dwords, by doing 3 rounds of 16 each
+ mov SRND, 3
+align 16
+loop1_swap:
+ movdqa XFER, [TBL + 0*16]
+ paddd XFER, X0
+ movdqa [rsp + _XFER], XFER
+ FOUR_ROUNDS_AND_SCHED
+
+ movdqa XFER, [TBL + 1*16]
+ paddd XFER, X0
+ movdqa [rsp + _XFER], XFER
+ FOUR_ROUNDS_AND_SCHED
+
+ movdqa XFER, [TBL + 2*16]
+ paddd XFER, X0
+ movdqa [rsp + _XFER], XFER
+ FOUR_ROUNDS_AND_SCHED
+
+ movdqa XFER, [TBL + 3*16]
+ paddd XFER, X0
+ movdqa [rsp + _XFER], XFER
+ add TBL, 4*16
+ FOUR_ROUNDS_AND_SCHED
+
+ sub SRND, 1
+ jne loop1_swap
+
+ mov SRND, 2
+loop2_swap:
+ paddd X0, [TBL + 0*16]
+ movdqa [rsp + _XFER], X0
+ DO_ROUND 0
+ DO_ROUND 1
+ DO_ROUND 2
+ DO_ROUND 3
+ paddd X1, [TBL + 1*16]
+ movdqa [rsp + _XFER], X1
+ add TBL, 2*16
+ DO_ROUND 0
+ DO_ROUND 1
+ DO_ROUND 2
+ DO_ROUND 3
+
+ movdqa X0, X2
+ movdqa X1, X3
+
+ sub SRND, 1
+ jne loop2_swap
+
+ addm [4*0 + CTX],a
+ addm [4*1 + CTX],b
+ addm [4*2 + CTX],c
+ addm [4*3 + CTX],d
+ addm [4*4 + CTX],e
+ addm [4*5 + CTX],f
+ addm [4*6 + CTX],g
+ addm [4*7 + CTX],h
+
+ mov INP, [rsp + _INP]
+ add INP, 64
+ cmp INP, [rsp + _INP_END]
+ jne loop0_swap
+
+done_hash_swap:
+ mov a, [4*0 + CTX]
+ bswap a
+ mov [4*0 + CTX],a
+
+ mov b, [4*1 + CTX]
+ bswap b
+ mov [4*1 + CTX], b
+
+ mov c, [4*2 + CTX]
+ bswap c
+ mov [4*2 + CTX], c
+
+ mov d, [4*3 + CTX]
+ bswap d
+ mov [4*3 + CTX], d
+
+ mov e, [4*4 + CTX]
+ bswap e
+ mov [4*4 + CTX], e
+
+ mov f, [4*5 + CTX]
+ bswap f
+ mov [4*5 + CTX], f
+
+ mov g, [4*6 + CTX]
+ bswap g
+ mov [4*6 + CTX], g
+
+ mov h, [4*7 + CTX]
+ bswap h
+ mov [4*7 + CTX], h
+
+
+%ifndef LINUX
+ movdqa xmm6,[rsp + _XMM_SAVE + 0*16]
+ movdqa xmm7,[rsp + _XMM_SAVE + 1*16]
+ movdqa xmm8,[rsp + _XMM_SAVE + 2*16]
+ movdqa xmm9,[rsp + _XMM_SAVE + 3*16]
+ movdqa xmm10,[rsp + _XMM_SAVE + 4*16]
+ movdqa xmm11,[rsp + _XMM_SAVE + 5*16]
+ movdqa xmm12,[rsp + _XMM_SAVE + 6*16]
+%endif
+
+ add rsp, STACK_SIZE
+
+ pop r15
+ pop r14
+ pop r13
+ pop rbp
+%ifndef LINUX
+ pop rdi
+ pop rsi
+%endif
+ pop rbx
+
+ ret
+
+section .data
+align 64
+K256:
+ dd 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
+ dd 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
+ dd 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
+ dd 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
+ dd 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
+ dd 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
+ dd 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
+ dd 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
+ dd 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
+ dd 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
+ dd 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
+ dd 0xd192e819,0xd6990624,0xf40e3585,0x106aa070
+ dd 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
+ dd 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
+ dd 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
+ dd 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
+
+PSHUFFLE_BYTE_FLIP_MASK: ddq 0x0c0d0e0f08090a0b0405060700010203
+
+; shuffle xBxA -> 00BA
+_SHUF_00BA: ddq 0xFFFFFFFFFFFFFFFF0b0a090803020100
+
+; shuffle xDxC -> DC00
+_SHUF_DC00: ddq 0x0b0a090803020100FFFFFFFFFFFFFFFF
git://git.novaco.in / novacoin.git / commitdiff