From 4bf3f3cbb6add01d3e6a18c73f594b73113b14f2 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Thu, 21 Jun 2007 11:34:16 +0800 Subject: Blackfin arch: update ANOMALY handling update lists for 533, 537, and add SSYNC workaround into assembly files. Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/lib/memcmp.S | 5 +++++ arch/blackfin/lib/memcpy.S | 13 ++++++++++--- arch/blackfin/lib/memmove.S | 17 +++++++++++++++-- arch/blackfin/mach-common/cache.S | 20 ++++++++++---------- arch/blackfin/mach-common/interrupt.S | 2 +- 5 files changed, 41 insertions(+), 16 deletions(-) (limited to 'arch') diff --git a/arch/blackfin/lib/memcmp.S b/arch/blackfin/lib/memcmp.S index a6b8ee6a6bf..b88c5d2d1eb 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 34b5a91c215..14a5585bbd0 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 c371585e9db..6ee6e206e77 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); diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S index 8bd2af1935b..7063795eb7c 100644 --- a/arch/blackfin/mach-common/cache.S +++ b/arch/blackfin/mach-common/cache.S @@ -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) diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S index b69f517a650..8be548e061b 100644 --- a/arch/blackfin/mach-common/interrupt.S +++ b/arch/blackfin/mach-common/interrupt.S @@ -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; -- cgit v1.2.3