mirror of https://gitee.com/openkylin/linux.git
225 lines
6.6 KiB
ArmAsm
225 lines
6.6 KiB
ArmAsm
/*
|
|
* Buffer submit code for multi buffer SHA512 algorithm
|
|
*
|
|
* This file is provided under a dual BSD/GPLv2 license. When using or
|
|
* redistributing this file, you may do so under either license.
|
|
*
|
|
* GPL LICENSE SUMMARY
|
|
*
|
|
* Copyright(c) 2016 Intel Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* Contact Information:
|
|
* Megha Dey <megha.dey@linux.intel.com>
|
|
*
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright(c) 2016 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.
|
|
*/
|
|
|
|
#include <linux/linkage.h>
|
|
#include <asm/frame.h>
|
|
#include "sha512_mb_mgr_datastruct.S"
|
|
|
|
.extern sha512_x4_avx2
|
|
|
|
#define arg1 %rdi
|
|
#define arg2 %rsi
|
|
|
|
#define idx %rdx
|
|
#define last_len %rdx
|
|
|
|
#define size_offset %rcx
|
|
#define tmp2 %rcx
|
|
|
|
# Common definitions
|
|
#define state arg1
|
|
#define job arg2
|
|
#define len2 arg2
|
|
#define p2 arg2
|
|
|
|
#define p %r11
|
|
#define start_offset %r11
|
|
|
|
#define unused_lanes %rbx
|
|
|
|
#define job_rax %rax
|
|
#define len %rax
|
|
|
|
#define lane %r12
|
|
#define tmp3 %r12
|
|
#define lens3 %r12
|
|
|
|
#define extra_blocks %r8
|
|
#define lens0 %r8
|
|
|
|
#define tmp %r9
|
|
#define lens1 %r9
|
|
|
|
#define lane_data %r10
|
|
#define lens2 %r10
|
|
|
|
#define DWORD_len %eax
|
|
|
|
# JOB* sha512_mb_mgr_submit_avx2(MB_MGR *state, JOB *job)
|
|
# arg 1 : rcx : state
|
|
# arg 2 : rdx : job
|
|
ENTRY(sha512_mb_mgr_submit_avx2)
|
|
FRAME_BEGIN
|
|
push %rbx
|
|
push %r12
|
|
|
|
mov _unused_lanes(state), unused_lanes
|
|
movzb %bl,lane
|
|
shr $8, unused_lanes
|
|
imul $_LANE_DATA_size, lane,lane_data
|
|
movl $STS_BEING_PROCESSED, _status(job)
|
|
lea _ldata(state, lane_data), lane_data
|
|
mov unused_lanes, _unused_lanes(state)
|
|
movl _len(job), DWORD_len
|
|
|
|
mov job, _job_in_lane(lane_data)
|
|
movl DWORD_len,_lens+4(state , lane, 8)
|
|
|
|
# Load digest words from result_digest
|
|
vmovdqu _result_digest+0*16(job), %xmm0
|
|
vmovdqu _result_digest+1*16(job), %xmm1
|
|
vmovdqu _result_digest+2*16(job), %xmm2
|
|
vmovdqu _result_digest+3*16(job), %xmm3
|
|
|
|
vmovq %xmm0, _args_digest(state, lane, 8)
|
|
vpextrq $1, %xmm0, _args_digest+1*32(state , lane, 8)
|
|
vmovq %xmm1, _args_digest+2*32(state , lane, 8)
|
|
vpextrq $1, %xmm1, _args_digest+3*32(state , lane, 8)
|
|
vmovq %xmm2, _args_digest+4*32(state , lane, 8)
|
|
vpextrq $1, %xmm2, _args_digest+5*32(state , lane, 8)
|
|
vmovq %xmm3, _args_digest+6*32(state , lane, 8)
|
|
vpextrq $1, %xmm3, _args_digest+7*32(state , lane, 8)
|
|
|
|
mov _buffer(job), p
|
|
mov p, _args_data_ptr(state, lane, 8)
|
|
|
|
cmp $0xFF, unused_lanes
|
|
jne return_null
|
|
|
|
start_loop:
|
|
|
|
# Find min length
|
|
mov _lens+0*8(state),lens0
|
|
mov lens0,idx
|
|
mov _lens+1*8(state),lens1
|
|
cmp idx,lens1
|
|
cmovb lens1, idx
|
|
mov _lens+2*8(state),lens2
|
|
cmp idx,lens2
|
|
cmovb lens2,idx
|
|
mov _lens+3*8(state),lens3
|
|
cmp idx,lens3
|
|
cmovb lens3,idx
|
|
mov idx,len2
|
|
and $0xF,idx
|
|
and $~0xFF,len2
|
|
jz len_is_0
|
|
|
|
sub len2,lens0
|
|
sub len2,lens1
|
|
sub len2,lens2
|
|
sub len2,lens3
|
|
shr $32,len2
|
|
mov lens0, _lens + 0*8(state)
|
|
mov lens1, _lens + 1*8(state)
|
|
mov lens2, _lens + 2*8(state)
|
|
mov lens3, _lens + 3*8(state)
|
|
|
|
# "state" and "args" are the same address, arg1
|
|
# len is arg2
|
|
call sha512_x4_avx2
|
|
# state and idx are intact
|
|
|
|
len_is_0:
|
|
|
|
# process completed job "idx"
|
|
imul $_LANE_DATA_size, idx, lane_data
|
|
lea _ldata(state, lane_data), lane_data
|
|
|
|
mov _job_in_lane(lane_data), job_rax
|
|
mov _unused_lanes(state), unused_lanes
|
|
movq $0, _job_in_lane(lane_data)
|
|
movl $STS_COMPLETED, _status(job_rax)
|
|
shl $8, unused_lanes
|
|
or idx, unused_lanes
|
|
mov unused_lanes, _unused_lanes(state)
|
|
|
|
movl $0xFFFFFFFF,_lens+4(state,idx,8)
|
|
vmovq _args_digest+0*32(state , idx, 8), %xmm0
|
|
vpinsrq $1, _args_digest+1*32(state , idx, 8), %xmm0, %xmm0
|
|
vmovq _args_digest+2*32(state , idx, 8), %xmm1
|
|
vpinsrq $1, _args_digest+3*32(state , idx, 8), %xmm1, %xmm1
|
|
vmovq _args_digest+4*32(state , idx, 8), %xmm2
|
|
vpinsrq $1, _args_digest+5*32(state , idx, 8), %xmm2, %xmm2
|
|
vmovq _args_digest+6*32(state , idx, 8), %xmm3
|
|
vpinsrq $1, _args_digest+7*32(state , idx, 8), %xmm3, %xmm3
|
|
|
|
vmovdqu %xmm0, _result_digest + 0*16(job_rax)
|
|
vmovdqu %xmm1, _result_digest + 1*16(job_rax)
|
|
vmovdqu %xmm2, _result_digest + 2*16(job_rax)
|
|
vmovdqu %xmm3, _result_digest + 3*16(job_rax)
|
|
|
|
return:
|
|
pop %r12
|
|
pop %rbx
|
|
FRAME_END
|
|
ret
|
|
|
|
return_null:
|
|
xor job_rax, job_rax
|
|
jmp return
|
|
ENDPROC(sha512_mb_mgr_submit_avx2)
|
|
|
|
/* UNUSED?
|
|
.section .rodata.cst16, "aM", @progbits, 16
|
|
.align 16
|
|
H0: .int 0x6a09e667
|
|
H1: .int 0xbb67ae85
|
|
H2: .int 0x3c6ef372
|
|
H3: .int 0xa54ff53a
|
|
H4: .int 0x510e527f
|
|
H5: .int 0x9b05688c
|
|
H6: .int 0x1f83d9ab
|
|
H7: .int 0x5be0cd19
|
|
*/
|