;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; 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 "md5_job.asm" %include "md5_mb_mgr_datastruct.asm" %include "reg_sizes.asm" extern md5_mb_x4x2_sse default rel %if 1 %ifidn __OUTPUT_FORMAT__, elf64 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; UN*X register definitions %define arg1 rdi ; rcx %define arg2 rsi ; rdx ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; %else ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; WINDOWS register definitions %define arg1 rcx %define arg2 rdx ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; %endif ; Common register definitions %define state arg1 %define len2 arg2 ; idx must be a register not clobberred by md5_mb_x4x2_sse %define idx r8 %define unused_lanes r9 %define lane_data r10 %define job_rax rax %define tmp rax %endif ;; if 1 ; STACK_SPACE needs to be an odd multiple of 8 _XMM_SAVE_SIZE equ 10*16 _GPR_SAVE_SIZE equ 8*8 _ALIGN_SIZE equ 8 _XMM_SAVE equ 0 _GPR_SAVE equ _XMM_SAVE + _XMM_SAVE_SIZE STACK_SPACE equ _GPR_SAVE + _GPR_SAVE_SIZE + _ALIGN_SIZE %define APPEND(a,b) a %+ b ; JOB* md5_mb_mgr_flush_sse(MB_MGR_HMAC_OOO *state) ; arg 1 : rcx : state global md5_mb_mgr_flush_sse:function md5_mb_mgr_flush_sse: sub rsp, STACK_SPACE mov [rsp + _GPR_SAVE + 8*0], rbx mov [rsp + _GPR_SAVE + 8*3], rbp mov [rsp + _GPR_SAVE + 8*4], r12 mov [rsp + _GPR_SAVE + 8*5], r13 mov [rsp + _GPR_SAVE + 8*6], r14 mov [rsp + _GPR_SAVE + 8*7], r15 %ifidn __OUTPUT_FORMAT__, win64 mov [rsp + _GPR_SAVE + 8*1], rsi mov [rsp + _GPR_SAVE + 8*2], rdi movdqa [rsp + _XMM_SAVE + 16*0], xmm6 movdqa [rsp + _XMM_SAVE + 16*1], xmm7 movdqa [rsp + _XMM_SAVE + 16*2], xmm8 movdqa [rsp + _XMM_SAVE + 16*3], xmm9 movdqa [rsp + _XMM_SAVE + 16*4], xmm10 movdqa [rsp + _XMM_SAVE + 16*5], xmm11 movdqa [rsp + _XMM_SAVE + 16*6], xmm12 movdqa [rsp + _XMM_SAVE + 16*7], xmm13 movdqa [rsp + _XMM_SAVE + 16*8], xmm14 movdqa [rsp + _XMM_SAVE + 16*9], xmm15 %endif ; if bit (32+3) is set, then all lanes are empty mov unused_lanes, [state + _unused_lanes] bt unused_lanes, 32+3 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] cmp qword [state + _ldata + 4 * _LANE_DATA_size + _job_in_lane], 0 cmovne idx, [four] cmp qword [state + _ldata + 5 * _LANE_DATA_size + _job_in_lane], 0 cmovne idx, [five] cmp qword [state + _ldata + 6 * _LANE_DATA_size + _job_in_lane], 0 cmovne idx, [six] cmp qword [state + _ldata + 7 * _LANE_DATA_size + _job_in_lane], 0 cmovne idx, [seven] ; copy idx to empty lanes copy_lane_data: mov tmp, [state + _args + _data_ptr + 8*idx] %assign I 0 %rep 8 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*I], 0xFFFFFFFF APPEND(skip_,I): %assign I (I+1) %endrep ; Find min length movdqa xmm0, [state + _lens + 0*16] movdqa xmm1, [state + _lens + 1*16] movdqa xmm2, xmm0 pminud xmm2, xmm1 ; xmm2 has {D,C,B,A} palignr xmm3, xmm2, 8 ; xmm3 has {x,x,D,C} pminud xmm2, xmm3 ; xmm2 has {x,x,E,F} palignr xmm3, xmm2, 4 ; xmm3 has {x,x,x,E} pminud xmm2, xmm3 ; xmm2 has min value in low dword movd DWORD(idx), xmm2 mov len2, idx and idx, 0xF shr len2, 4 jz len_is_0 pand xmm2, [rel clear_low_nibble] pshufd xmm2, xmm2, 0 psubd xmm0, xmm2 psubd xmm1, xmm2 movdqa [state + _lens + 0*16], xmm0 movdqa [state + _lens + 1*16], xmm1 ; "state" and "args" are the same address, arg1 ; len is arg2 call md5_mb_x4x2_sse ; 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, 4 or unused_lanes, idx mov [state + _unused_lanes], unused_lanes mov dword [state + _lens + 4*idx], 0xFFFFFFFF movd xmm0, [state + _args_digest + 4*idx + 0*32] pinsrd xmm0, [state + _args_digest + 4*idx + 1*32], 1 pinsrd xmm0, [state + _args_digest + 4*idx + 2*32], 2 pinsrd xmm0, [state + _args_digest + 4*idx + 3*32], 3 movdqa [job_rax + _result_digest + 0*16], xmm0 return: %ifidn __OUTPUT_FORMAT__, win64 movdqa xmm6, [rsp + _XMM_SAVE + 16*0] movdqa xmm7, [rsp + _XMM_SAVE + 16*1] movdqa xmm8, [rsp + _XMM_SAVE + 16*2] movdqa xmm9, [rsp + _XMM_SAVE + 16*3] movdqa xmm10, [rsp + _XMM_SAVE + 16*4] movdqa xmm11, [rsp + _XMM_SAVE + 16*5] movdqa xmm12, [rsp + _XMM_SAVE + 16*6] movdqa xmm13, [rsp + _XMM_SAVE + 16*7] movdqa xmm14, [rsp + _XMM_SAVE + 16*8] movdqa xmm15, [rsp + _XMM_SAVE + 16*9] mov rsi, [rsp + _GPR_SAVE + 8*1] mov rdi, [rsp + _GPR_SAVE + 8*2] %endif mov rbx, [rsp + _GPR_SAVE + 8*0] mov rbp, [rsp + _GPR_SAVE + 8*3] mov r12, [rsp + _GPR_SAVE + 8*4] mov r13, [rsp + _GPR_SAVE + 8*5] mov r14, [rsp + _GPR_SAVE + 8*6] mov r15, [rsp + _GPR_SAVE + 8*7] add rsp, STACK_SPACE ret return_null: xor job_rax, job_rax jmp return section .data align=16 align 16 clear_low_nibble: dq 0x00000000FFFFFFF0, 0x0000000000000000 one: dq 1 two: dq 2 three: dq 3 four: dq 4 five: dq 5 six: dq 6 seven: dq 7