diff options
Diffstat (limited to 'cpu/bf533/flush.S')
| -rw-r--r-- | cpu/bf533/flush.S | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/cpu/bf533/flush.S b/cpu/bf533/flush.S index 9fbdefc..62e3d65 100644 --- a/cpu/bf533/flush.S +++ b/cpu/bf533/flush.S @@ -1,15 +1,14 @@ -/* Copyright (C) 2003 Analog Devices, Inc. All Rights Reserved. - * Copyright (C) 2004 LG SOft India. All Rights Reserved. +/* Copyright (C) 2003-2007 Analog Devices Inc. * * This file is subject to the terms and conditions of the GNU General Public * License. - * - * Blackfin BF533/2.6 support : LG Soft India */ + #define ASSEMBLY #include <asm/linkage.h> #include <asm/cplb.h> +#include <config.h> #include <asm/blackfin.h> .text @@ -20,7 +19,7 @@ * in the instruction cache. */ -ENTRY(flush_instruction_cache) +ENTRY(_flush_instruction_cache) [--SP] = ( R7:6, P5:4 ); LINK 12; SP += -12; @@ -33,7 +32,7 @@ ENTRY(flush_instruction_cache) inext: R0 = [P5++]; R1 = [P4++]; [--SP] = RETS; - CALL icplb_flush; /* R0 = page, R1 = data*/ + CALL _icplb_flush; /* R0 = page, R1 = data*/ RETS = [SP++]; iskip: R6 += -1; CC = R6; @@ -52,7 +51,7 @@ iskip: R6 += -1; */ .align 2 -ENTRY(icplb_flush) +ENTRY(_icplb_flush) [--SP] = ( R7:0, P5:0 ); [--SP] = LC0; [--SP] = LT0; @@ -86,16 +85,17 @@ ENTRY(icplb_flush) */ R3 = ((12<<8)|2); /* Extraction pattern */ - nop; /*Anamoly 05000209*/ - R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits*/ - R3.H = R4.L << 0 ; /* Save in extraction pattern for later deposit.*/ + nop; /* Anamoly 05000209 */ + R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits */ + /* Save in extraction pattern for later deposit. */ + R3.H = R4.L << 0; /* So: * R0 = Page start * R1 = Page length (actually, offset into size/prefix tables) * R3 = sub-bank deposit values - * + * * The cache has 2 Ways, and 64 sets, so we iterate through * the sets, accessing the tag for each Way, for our Bank and * sub-bank, looking for dirty, valid tags that match our @@ -180,8 +180,10 @@ iflush_whole_page: SSYNC; IFLUSH [P0++]; /* because CSYNC can't end loops.*/ LSETUP (isall, ieall) LC0 = P1; -isall:IFLUSH [P0++]; -ieall: NOP; +isall: + IFLUSH [P0++]; +ieall: + NOP; SSYNC; JUMP ifinished; @@ -191,7 +193,7 @@ ieall: NOP; * in the data cache. */ -ENTRY(flush_data_cache) +ENTRY(_flush_data_cache) [--SP] = ( R7:6, P5:4 ); LINK 12; SP += -12; @@ -209,7 +211,7 @@ next: R0 = [P5++]; CC = R2; IF !CC JUMP skip; /* If not, ignore it.*/ [--SP] = RETS; - CALL dcplb_flush; /* R0 = page, R1 = data*/ + CALL _dcplb_flush; /* R0 = page, R1 = data*/ RETS = [SP++]; skip: R6 += -1; CC = R6; @@ -228,7 +230,7 @@ skip: R6 += -1; */ .align 2 -ENTRY(dcplb_flush) +ENTRY(_dcplb_flush) [--SP] = ( R7:0, P5:0 ); [--SP] = LC0; [--SP] = LT0; @@ -290,14 +292,15 @@ bank_chosen: R3 = ((12<<8)|2); /* Extraction pattern */ nop; /*Anamoly 05000209*/ R4 = EXTRACT(R0, R3.L) (Z); /* Extract bits*/ - R3.H = R4.L << 0 ; /* Save in extraction pattern for later deposit.*/ + /* Save in extraction pattern for later deposit.*/ + R3.H = R4.L << 0; /* So: * R0 = Page start * R1 = Page length (actually, offset into size/prefix tables) * R2 = Bank select mask * R3 = sub-bank deposit values - * + * * The cache has 2 Ways, and 64 sets, so we iterate through * the sets, accessing the tag for each Way, for our Bank and * sub-bank, looking for dirty, valid tags that match our @@ -386,7 +389,7 @@ dflush_whole_page: CC = BITTST(R1, 16); /* Whether 1K or 4K*/ IF CC P1 = P2; P1 += -1; /* Unroll one iteration*/ - SSYNC; + SSYNC; FLUSHINV [P0++]; /* because CSYNC can't end loops.*/ LSETUP (eall, eall) LC0 = P1; eall: FLUSHINV [P0++]; |