summaryrefslogtreecommitdiffstats
path: root/arch/blackfin/lib
diff options
context:
space:
mode:
authorRobin Getz <robin.getz@analog.com>2007-06-21 11:34:16 +0800
committerBryan Wu <bryan.wu@analog.com>2007-06-21 11:34:16 +0800
commit4bf3f3cbb6add01d3e6a18c73f594b73113b14f2 (patch)
treea80839f98a64052f4d004a5207da2731fe556908 /arch/blackfin/lib
parent0864a4e201b1ea442f4c8b887418a29f67e24d30 (diff)
downloadlinux-4bf3f3cbb6add01d3e6a18c73f594b73113b14f2.tar.bz2
Blackfin arch: update ANOMALY handling
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>
Diffstat (limited to 'arch/blackfin/lib')
-rw-r--r--arch/blackfin/lib/memcmp.S5
-rw-r--r--arch/blackfin/lib/memcpy.S13
-rw-r--r--arch/blackfin/lib/memmove.S17
3 files changed, 30 insertions, 5 deletions
diff --git a/arch/blackfin/lib/memcmp.S b/arch/blackfin/lib/memcmp.S
index a6b8ee6a6bf2..b88c5d2d1ebe 100644
--- a/arch/blackfin/lib/memcmp.S
+++ b/arch/blackfin/lib/memcmp.S
@@ -61,7 +61,12 @@ ENTRY(_memcmp)
LSETUP (.Lquad_loop_s, .Lquad_loop_e) LC0=P1;
.Lquad_loop_s:
+#ifdef ANOMALY_05000202
+ R0 = [P0++];
+ R1 = [I0++];
+#else
MNOP || R0 = [P0++] || R1 = [I0++];
+#endif
CC = R0 == R1;
IF !CC JUMP .Lquad_different;
.Lquad_loop_e:
diff --git a/arch/blackfin/lib/memcpy.S b/arch/blackfin/lib/memcpy.S
index 34b5a91c215c..14a5585bbd02 100644
--- a/arch/blackfin/lib/memcpy.S
+++ b/arch/blackfin/lib/memcpy.S
@@ -94,13 +94,20 @@ ENTRY(_memcpy)
.Lmore_than_seven:
/* There's at least eight bytes to copy. */
P2 += -1; /* because we unroll one iteration */
- LSETUP(.Lword_loop, .Lword_loop) LC0=P2;
+ LSETUP(.Lword_loops, .Lword_loope) LC0=P2;
R0 = R1;
I1 = P1;
R3 = [I1++];
-.Lword_loop:
+#ifdef ANOMALY_05000202
+.Lword_loops:
+ [P0++] = R3;
+.Lword_loope:
+ R3 = [I1++];
+#else
+.Lword_loops:
+.Lword_loope:
MNOP || [P0++] = R3 || R3 = [I1++];
-
+#endif
[P0++] = R3;
/* Any remaining bytes to copy? */
R3 = 0x3;
diff --git a/arch/blackfin/lib/memmove.S b/arch/blackfin/lib/memmove.S
index c371585e9dbd..6ee6e206e77c 100644
--- a/arch/blackfin/lib/memmove.S
+++ b/arch/blackfin/lib/memmove.S
@@ -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);