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Commit 4bf3f3cb authored by Robin Getz's avatar Robin Getz Committed by Bryan Wu
Browse files

Blackfin arch: update ANOMALY handling 



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

Signed-off-by: default avatarRobin Getz <robin.getz@analog.com>
Signed-off-by: default avatarBryan Wu <bryan.wu@analog.com>
parent 0864a4e2

arch/blackfin/lib/memcmp.S

+5 −0
Original line number Diff line number Diff line
@@ -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:

arch/blackfin/lib/memcpy.S

+10 −3
Original line number Diff line number Diff line
@@ -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;

arch/blackfin/lib/memmove.S

+15 −2
Original line number Diff line number Diff line
@@ -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);

arch/blackfin/mach-common/cache.S

+10 −10
Original line number Diff line number Diff line
@@ -123,14 +123,14 @@ ENTRY(_blackfin_icache_flush_range) 
	R2 = R0 & R2;

	P0 = R2;

	P1 = R1;

	CSYNC;

	CSYNC(R3);

	IFLUSH [P0];

1:

	IFLUSH [P0++];

	CC = P0 < P1 (iu);

	IF CC JUMP 1b (bp);

	IFLUSH [P0];

	SSYNC;

	SSYNC(R3);

	RTS;

ENDPROC(_blackfin_icache_flush_range)
@@ -148,7 +148,7 @@ ENTRY(_blackfin_icache_dcache_flush_range) 
	R2 = R0 & R2;

	P0 = R2;

	P1 = R1;

	CSYNC;

	CSYNC(R3);

	IFLUSH [P0];

1:

	FLUSH [P0];
@@ -157,7 +157,7 @@ ENTRY(_blackfin_icache_dcache_flush_range) 
	IF CC JUMP 1b (bp);

	IFLUSH [P0];

	FLUSH [P0];

	SSYNC;

	SSYNC(R3);

	RTS;

ENDPROC(_blackfin_icache_dcache_flush_range)
@@ -174,7 +174,7 @@ ENTRY(_blackfin_dcache_invalidate_range) 
	R2 = R0 & R2;

	P0 = R2;

	P1 = R1;

	CSYNC;

	CSYNC(R3);

	FLUSHINV[P0];

1:

	FLUSHINV[P0++];
@@ -186,7 +186,7 @@ ENTRY(_blackfin_dcache_invalidate_range) 
	 * so do one more.

	 */

	FLUSHINV[P0];

	SSYNC;

	SSYNC(R3);

	RTS;

ENDPROC(_blackfin_dcache_invalidate_range)
@@ -235,7 +235,7 @@ ENTRY(_blackfin_dcache_flush_range) 
	R2 = R0 & R2;

	P0 = R2;

	P1 = R1;

	CSYNC;

	CSYNC(R3);

	FLUSH[P0];

1:

	FLUSH[P0++];
@@ -247,17 +247,17 @@ ENTRY(_blackfin_dcache_flush_range) 
	 * one more.

	 */

	FLUSH[P0];

	SSYNC;

	SSYNC(R3);

	RTS;

ENDPROC(_blackfin_dcache_flush_range)



ENTRY(_blackfin_dflush_page)

	P1 = 1 << (PAGE_SHIFT - L1_CACHE_SHIFT);

	P0 = R0;

	CSYNC;

	CSYNC(R3);

	FLUSH[P0];

	LSETUP (.Lfl1, .Lfl1) LC0 = P1;

.Lfl1:	FLUSH [P0++];

	SSYNC;

	SSYNC(R3);

	RTS;

ENDPROC(_blackfin_dflush_page)

arch/blackfin/mach-common/interrupt.S

+1 −1
Original line number Diff line number Diff line
@@ -139,7 +139,7 @@ __common_int_entry: 
	fp = 0;

#endif



#ifdef	ANOMALY_05000283

#if defined (ANOMALY_05000283) || defined (ANOMALY_05000315)

	cc = r7 == r7;

	p5.h = 0xffc0;

	p5.l = 0x0014;