;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; Copyright(c) 2011-2016 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 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 "sha512_job.asm" %include "sha512_mb_mgr_datastruct.asm" %include "reg_sizes.asm" extern sha512_mb_x4_avx2 default rel %ifidn __OUTPUT_FORMAT__, elf64 ; LINUX register definitions %define arg1 rdi ; rcx %define arg2 rsi ; rdx ; idx needs to be other than arg1, arg2, rbx, r12 %define idx rdx ; rsi %else ; WINDOWS register definitions %define arg1 rcx %define arg2 rdx ; idx needs to be other than arg1, arg2, rbx, r12 %define idx rsi %endif ; Common definitions %define state arg1 %define job arg2 %define len2 arg2 %define unused_lanes rbx %define lane_data rbx %define tmp2 rbx %define job_rax rax %define tmp1 rax %define size_offset rax %define tmp rax %define start_offset rax %define tmp3 arg1 %define extra_blocks arg2 %define p arg2 %define tmp4 r8 %define lens0 r8 %define lens1 r9 %define lens2 r10 %define lens3 r11 struc stack_frame .xmm: resb 16*10 .gpr: resb 8*5 .rsp: resb 8 endstruc ; STACK_SPACE needs to be an odd multiple of 8 %define _XMM_SAVE stack_frame.xmm %define _GPR_SAVE stack_frame.gpr %define STACK_SPACE stack_frame_size %define APPEND(a,b) a %+ b ; SHA512_JOB* sha512_mb_mgr_flush_avx2(SHA512_MB_JOB_MGR *state) ; arg 1 : rcx : state global sha512_mb_mgr_flush_avx2:function sha512_mb_mgr_flush_avx2: mov rax, rsp sub rsp, STACK_SPACE and rsp, ~31 mov [rsp + stack_frame.rsp], rax mov [rsp + _GPR_SAVE + 8*0], rbx mov [rsp + _GPR_SAVE + 8*1], r12 %ifidn __OUTPUT_FORMAT__, win64 mov [rsp + _GPR_SAVE + 8*2], rsi vmovdqa [rsp + _XMM_SAVE + 16*0], xmm6 vmovdqa [rsp + _XMM_SAVE + 16*1], xmm7 vmovdqa [rsp + _XMM_SAVE + 16*2], xmm8 vmovdqa [rsp + _XMM_SAVE + 16*3], xmm9 vmovdqa [rsp + _XMM_SAVE + 16*4], xmm10 vmovdqa [rsp + _XMM_SAVE + 16*5], xmm11 vmovdqa [rsp + _XMM_SAVE + 16*6], xmm12 vmovdqa [rsp + _XMM_SAVE + 16*7], xmm13 vmovdqa [rsp + _XMM_SAVE + 16*8], xmm14 vmovdqa [rsp + _XMM_SAVE + 16*9], xmm15 %endif mov unused_lanes, [state + _unused_lanes] bt unused_lanes, 32+7 jc return_null ; find a lane with a non-null job xor idx, idx cmp qword [state + _ldata + 1 * _LANE_DATA_size + _job_in_lane], 0 cmovne idx, [one] cmp qword [state + _ldata + 2 * _LANE_DATA_size + _job_in_lane], 0 cmovne idx, [two] cmp qword [state + _ldata + 3 * _LANE_DATA_size + _job_in_lane], 0 cmovne idx, [three] ; copy idx to empty lanes copy_lane_data: mov tmp, [state + _args + _data_ptr + 8*idx] %assign I 0 %rep 4 cmp qword [state + _ldata + I * _LANE_DATA_size + _job_in_lane], 0 jne APPEND(skip_,I) mov [state + _args + _data_ptr + 8*I], tmp mov dword [state + _lens + 4 + 8*I], 0xFFFFFFFF APPEND(skip_,I): %assign I (I+1) %endrep ; Find min length mov lens0, [state + _lens + 0*8] mov idx, lens0 mov lens1, [state + _lens + 1*8] cmp lens1, idx cmovb idx, lens1 mov lens2, [state + _lens + 2*8] cmp lens2, idx cmovb idx, lens2 mov lens3, [state + _lens + 3*8] cmp lens3, idx cmovb idx, lens3 mov len2, idx and idx, 0xF and len2, ~0xFF jz len_is_0 sub lens0, len2 sub lens1, len2 sub lens2, len2 sub lens3, len2 shr len2, 32 mov [state + _lens + 0*8], lens0 mov [state + _lens + 1*8], lens1 mov [state + _lens + 2*8], lens2 mov [state + _lens + 3*8], lens3 ; "state" and "args" are the same address, arg1 ; len is arg2 call sha512_mb_x4_avx2 ; state and idx are intact len_is_0: ; process completed job "idx" imul lane_data, idx, _LANE_DATA_size lea lane_data, [state + _ldata + lane_data] mov job_rax, [lane_data + _job_in_lane] mov qword [lane_data + _job_in_lane], 0 mov dword [job_rax + _status], STS_COMPLETED mov unused_lanes, [state + _unused_lanes] shl unused_lanes, 8 or unused_lanes, idx mov [state + _unused_lanes], unused_lanes vmovq xmm0, [state + _args_digest + 8*idx + 0*32] vpinsrq xmm0, [state + _args_digest + 8*idx + 1*32], 1 vmovq xmm1, [state + _args_digest + 8*idx + 2*32] vpinsrq xmm1, [state + _args_digest + 8*idx + 3*32], 1 vmovq xmm2, [state + _args_digest + 8*idx + 4*32] vpinsrq xmm2, [state + _args_digest + 8*idx + 5*32], 1 vmovq xmm3, [state + _args_digest + 8*idx + 6*32] vpinsrq xmm3, [state + _args_digest + 8*idx + 7*32], 1 vmovdqa [job_rax + _result_digest + 0*16], xmm0 vmovdqa [job_rax + _result_digest + 1*16], xmm1 vmovdqa [job_rax + _result_digest + 2*16], xmm2 vmovdqa [job_rax + _result_digest + 3*16], xmm3 return: %ifidn __OUTPUT_FORMAT__, win64 vmovdqa xmm6, [rsp + _XMM_SAVE + 16*0] vmovdqa xmm7, [rsp + _XMM_SAVE + 16*1] vmovdqa xmm8, [rsp + _XMM_SAVE + 16*2] vmovdqa xmm9, [rsp + _XMM_SAVE + 16*3] vmovdqa xmm10, [rsp + _XMM_SAVE + 16*4] vmovdqa xmm11, [rsp + _XMM_SAVE + 16*5] vmovdqa xmm12, [rsp + _XMM_SAVE + 16*6] vmovdqa xmm13, [rsp + _XMM_SAVE + 16*7] vmovdqa xmm14, [rsp + _XMM_SAVE + 16*8] vmovdqa xmm15, [rsp + _XMM_SAVE + 16*9] mov rsi, [rsp + _GPR_SAVE + 8*2] %endif mov rbx, [rsp + _GPR_SAVE + 8*0] mov r12, [rsp + _GPR_SAVE + 8*1] mov rsp, [rsp + stack_frame.rsp] ret return_null: xor job_rax, job_rax jmp return section .data align=16 align 16 one: dq 1 two: dq 2 three: dq 3