/modules/softcam/FFdecsa/parallel_128_4int.h
https://bitbucket.org/cesbo/astra · C Header · 207 lines · 162 code · 26 blank · 19 comment · 1 complexity · 03d7977aecc4edfc070cdadb01005c08 MD5 · raw file
- /* FFdecsa -- fast decsa algorithm
- *
- * Copyright (C) 2003-2004 fatih89r
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- struct group_t{
- unsigned int s1,s2,s3,s4;
- };
- typedef struct group_t group;
- #define GROUP_PARALLELISM 128
- static inline group FF0(void){
- group res;
- res.s1=0x0;
- res.s2=0x0;
- res.s3=0x0;
- res.s4=0x0;
- return res;
- }
- static inline group FF1(void){
- group res;
- res.s1=0xffffffff;
- res.s2=0xffffffff;
- res.s3=0xffffffff;
- res.s4=0xffffffff;
- return res;
- }
- static inline group FFAND(group a,group b){
- group res;
- res.s1=a.s1&b.s1;
- res.s2=a.s2&b.s2;
- res.s3=a.s3&b.s3;
- res.s4=a.s4&b.s4;
- return res;
- }
- static inline group FFOR(group a,group b){
- group res;
- res.s1=a.s1|b.s1;
- res.s2=a.s2|b.s2;
- res.s3=a.s3|b.s3;
- res.s4=a.s4|b.s4;
- return res;
- }
- static inline group FFXOR(group a,group b){
- group res;
- res.s1=a.s1^b.s1;
- res.s2=a.s2^b.s2;
- res.s3=a.s3^b.s3;
- res.s4=a.s4^b.s4;
- return res;
- }
- static inline group FFNOT(group a){
- group res;
- res.s1=~a.s1;
- res.s2=~a.s2;
- res.s3=~a.s3;
- res.s4=~a.s4;
- return res;
- }
- /* 64 rows of 128 bits */
- static inline void FFTABLEIN(unsigned char *tab, int g, unsigned char *data){
- *(((int *)tab)+2*g)=*((int *)data);
- *(((int *)tab)+2*g+1)=*(((int *)data)+1);
- }
- static inline void FFTABLEOUT(unsigned char *data, unsigned char *tab, int g){
- *((int *)data)=*(((int *)tab)+2*g);
- *(((int *)data)+1)=*(((int *)tab)+2*g+1);
- }
- static inline void FFTABLEOUTXORNBY(int n, unsigned char *data, unsigned char *tab, int g){
- int j;
- for(j=0;j<n;j++){
- *(data+j)^=*(tab+8*g+j);
- }
- }
- struct batch_t{
- unsigned int s1,s2,s3,s4;
- };
- typedef struct batch_t batch;
- #define BYTES_PER_BATCH 16
- static inline batch B_FFAND(batch a,batch b){
- batch res;
- res.s1=a.s1&b.s1;
- res.s2=a.s2&b.s2;
- res.s3=a.s3&b.s3;
- res.s4=a.s4&b.s4;
- return res;
- }
- static inline batch B_FFOR(batch a,batch b){
- batch res;
- res.s1=a.s1|b.s1;
- res.s2=a.s2|b.s2;
- res.s3=a.s3|b.s3;
- res.s4=a.s4|b.s4;
- return res;
- }
- static inline batch B_FFXOR(batch a,batch b){
- batch res;
- res.s1=a.s1^b.s1;
- res.s2=a.s2^b.s2;
- res.s3=a.s3^b.s3;
- res.s4=a.s4^b.s4;
- return res;
- }
- static inline batch B_FFN_ALL_29(void){
- batch res;
- res.s1=0x29292929;
- res.s2=0x29292929;
- res.s3=0x29292929;
- res.s4=0x29292929;
- return res;
- }
- static inline batch B_FFN_ALL_02(void){
- batch res;
- res.s1=0x02020202;
- res.s2=0x02020202;
- res.s3=0x02020202;
- res.s4=0x02020202;
- return res;
- }
- static inline batch B_FFN_ALL_04(void){
- batch res;
- res.s1=0x04040404;
- res.s2=0x04040404;
- res.s3=0x04040404;
- res.s4=0x04040404;
- return res;
- }
- static inline batch B_FFN_ALL_10(void){
- batch res;
- res.s1=0x10101010;
- res.s2=0x10101010;
- res.s3=0x10101010;
- res.s4=0x10101010;
- return res;
- }
- static inline batch B_FFN_ALL_40(void){
- batch res;
- res.s1=0x40404040;
- res.s2=0x40404040;
- res.s3=0x40404040;
- res.s4=0x40404040;
- return res;
- }
- static inline batch B_FFN_ALL_80(void){
- batch res;
- res.s1=0x80808080;
- res.s2=0x80808080;
- res.s3=0x80808080;
- res.s4=0x80808080;
- return res;
- }
- static inline batch B_FFSH8L(batch a,int n){
- batch res;
- res.s1=a.s1<<n;
- res.s2=a.s2<<n;
- res.s3=a.s3<<n;
- res.s4=a.s4<<n;
- return res;
- }
- static inline batch B_FFSH8R(batch a,int n){
- batch res;
- res.s1=a.s1>>n;
- res.s2=a.s2>>n;
- res.s3=a.s3>>n;
- res.s4=a.s4>>n;
- return res;
- }
- static inline void M_EMPTY(void){
- }