lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Blackfin arch: update ANOMALY handling

Browse Source 
update lists for 533, 537, and add SSYNC workaround into assembly files.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
This commit is contained in:
Robin Getz
2007-06-21 11:34:16 +08:00
committed by Bryan Wu
parent 0864a4e201
commit 4bf3f3cbb6
9 changed files with 197 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
arch/blackfin/lib/memmove.S
View File

@ -69,8 +69,17 @@ ENTRY(_memmove)
P2 = R2; /* set remainder */
R1 = [I0++];
LSETUP (.Lquad_loop, .Lquad_loop) LC0=P1;
.Lquad_loop: MNOP || [P0++] = R1 || R1 = [I0++];
LSETUP (.Lquad_loops, .Lquad_loope) LC0=P1;
#ifdef ANOMALY_05000202
.Lquad_loops:
[P0++] = R1;
.Lquad_loope:
R1 = [I0++];
#else
.Lquad_loops:
.Lquad_loope:
MNOP || [P0++] = R1 || R1 = [I0++];
#endif
[P0++] = R1;
CC = P2 == 0; /* any remaining bytes? */
@ -93,6 +102,10 @@ ENTRY(_memmove)
R1 = B[P3--] (Z);
CC = P2 == 0;
IF CC JUMP .Lno_loop;
#ifdef ANOMALY_05000245
NOP;
NOP;
#endif
LSETUP (.Lol_s, .Lol_e) LC0 = P2;
.Lol_s: B[P0--] = R1;
.Lol_e: R1 = B[P3--] (Z);