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From: cvs at opencores.org<cvs@o...>
Date: Wed Apr 30 19:00:35 CEST 2008
Subject: [cvs-checkins] MODIFIED: jop ...
Date: 00/08/04 30:19:00

Modified: jop/asm/src jvm.asm
Log:
Added support for non-blocking copying.




Revision Changes Path
1.66 jop/asm/src/jvm.asm

http://www.opencores.org/cvsweb.shtml/jop/asm/src/jvm.asm.diff?r1=1.65&r2=1.66

(In the diff below, changes in quantity of whitespace are not shown.)

Index: jvm.asm
===================================================================
RCS file: /cvsroot/jeuneS2/jop/asm/src/jvm.asm,v
retrieving revision 1.65
retrieving revision 1.66
diff -u -b -r1.65 -r1.66
--- jvm.asm 11 Mar 2008 12:43:02 -0000 1.65
+++ jvm.asm 30 Apr 2008 17:00:35 -0000 1.66
@@ -1844,35 +1844,39 @@
// public static native void memCopy(int src, int dest, int cnt);

jopsys_memcpy:
- ldi -1
- add
- stm c // counter-1
- stm b // destination
- stm a // source
- ldm c // keep counter on the stack
+// ldi -1
+// add
+// stm c // counter-1
+// stm b // destination
+// stm a // source
+// ldm c // keep counter on the stack

-memcpy_loop:
- dup
- ldm a
- add
- stmra
- dup
- ldm b
- add
- stmwa // should be ok
- wait
- wait
- ldmrd
- stmwd
- dup
- wait
- wait
+// memcpy_loop:
+// dup
+// ldm a
+// add
+// stmra
+// dup
+// ldm b
+// add
+// stmwa // should be ok
+// wait
+// wait
+// ldmrd
+// stmwd
+// dup
+// wait
+// wait

- bnz memcpy_loop
- ldi -1 // decrement in branch slot
- add
+// bnz memcpy_loop
+// ldi -1 // decrement in branch slot
+// add

- pop nxt // remove counter
+ stcp
+ pop
+ wait
+ wait
+ pop nxt