diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 17:39:40 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 17:39:40 -0800 |
| commit | 06792c4dde2ad143928cc95c1ba218c6269c494b (patch) | |
| tree | 92bdd4631612c9e3d8e5f6f06839f75c5473300a /arch/c6x/lib/memcpy_64plus.S | |
| parent | 4690dfa8cd66c37fbe99bb8cd5baa86102110776 (diff) | |
| parent | 166c0eaedfc3157dc1394c27e827add19f05fb27 (diff) | |
Merge tag 'for-linux-3.3-merge-window' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming
* tag 'for-linux-3.3-merge-window' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming: (29 commits)
C6X: replace tick_nohz_stop/restart_sched_tick calls
C6X: add register_cpu call
C6X: deal with memblock API changes
C6X: fix timer64 initialization
C6X: fix layout of EMIFA registers
C6X: MAINTAINERS
C6X: DSCR - Device State Configuration Registers
C6X: EMIF - External Memory Interface
C6X: general SoC support
C6X: library code
C6X: headers
C6X: ptrace support
C6X: loadable module support
C6X: cache control
C6X: clocks
C6X: build infrastructure
C6X: syscalls
C6X: interrupt handling
C6X: time management
C6X: signal management
...
Diffstat (limited to 'arch/c6x/lib/memcpy_64plus.S')
| -rw-r--r-- | arch/c6x/lib/memcpy_64plus.S | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/c6x/lib/memcpy_64plus.S b/arch/c6x/lib/memcpy_64plus.S new file mode 100644 index 00000000000..0bbc2cbf931 --- /dev/null +++ b/arch/c6x/lib/memcpy_64plus.S @@ -0,0 +1,46 @@ +; Port on Texas Instruments TMS320C6x architecture +; +; Copyright (C) 2006, 2009, 2010 Texas Instruments Incorporated +; Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com) +; +; This program is free software; you can redistribute it and/or modify +; it under the terms of the GNU General Public License version 2 as +; published by the Free Software Foundation. +; + +#include <linux/linkage.h> + + .text + +ENTRY(memcpy) + AND .L1 0x1,A6,A0 + || AND .S1 0x2,A6,A1 + || AND .L2X 0x4,A6,B0 + || MV .D1 A4,A3 + || MVC .S2 ILC,B2 + + [A0] LDB .D2T1 *B4++,A5 + [A1] LDB .D2T1 *B4++,A7 + [A1] LDB .D2T1 *B4++,A8 + [B0] LDNW .D2T1 *B4++,A9 + || SHRU .S2X A6,0x3,B1 + [!B1] BNOP .S2 B3,1 + + [A0] STB .D1T1 A5,*A3++ + ||[B1] MVC .S2 B1,ILC + [A1] STB .D1T1 A7,*A3++ + [A1] STB .D1T1 A8,*A3++ + [B0] STNW .D1T1 A9,*A3++ ; return when len < 8 + + SPLOOP 2 + + LDNDW .D2T1 *B4++,A9:A8 + NOP 3 + + NOP + SPKERNEL 0,0 + || STNDW .D1T1 A9:A8,*A3++ + + BNOP .S2 B3,4 + MVC .S2 B2,ILC +ENDPROC(memcpy) |