1 ; Port on Texas Instruments TMS320C6x architecture 2 ; 3 ; Copyright (C) 2006, 2009, 2010 Texas Instruments Incorporated 4 ; Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com) 5 ; 6 ; This program is free software; you can redistribute it and/or modify 7 ; it under the terms of the GNU General Public License version 2 as 8 ; published by the Free Software Foundation. 9 ; 10 11 #include <linux/linkage.h> 12 13 .text 14 15 ENTRY(memcpy) 16 AND .L1 0x1,A6,A0 17 || AND .S1 0x2,A6,A1 18 || AND .L2X 0x4,A6,B0 19 || MV .D1 A4,A3 20 || MVC .S2 ILC,B2 21 22 [A0] LDB .D2T1 *B4++,A5 23 [A1] LDB .D2T1 *B4++,A7 24 [A1] LDB .D2T1 *B4++,A8 25 [B0] LDNW .D2T1 *B4++,A9 26 || SHRU .S2X A6,0x3,B1 27 [!B1] BNOP .S2 B3,1 28 29 [A0] STB .D1T1 A5,*A3++ 30 ||[B1] MVC .S2 B1,ILC 31 [A1] STB .D1T1 A7,*A3++ 32 [A1] STB .D1T1 A8,*A3++ 33 [B0] STNW .D1T1 A9,*A3++ ; return when len < 8 34 35 SPLOOP 2 36 37 LDNDW .D2T1 *B4++,A9:A8 38 NOP 3 39 40 NOP 41 SPKERNEL 0,0 42 || STNDW .D1T1 A9:A8,*A3++ 43 44 BNOP .S2 B3,4 45 MVC .S2 B2,ILC 46 ENDPROC(memcpy) 47
