diff options
Diffstat (limited to 'cpu/bf533/flush.S')
| -rw-r--r-- | cpu/bf533/flush.S | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/cpu/bf533/flush.S b/cpu/bf533/flush.S index 58fe4c8..4a6c64b 100644 --- a/cpu/bf533/flush.S +++ b/cpu/bf533/flush.S @@ -59,7 +59,7 @@ ENTRY(_icplb_flush) [--SP] = LC1; [--SP] = LT1; [--SP] = LB1; - + /* If it's a 1K or 4K page, then it's quickest to * just systematically flush all the addresses in * the page, regardless of whether they're in the @@ -101,7 +101,7 @@ ENTRY(_icplb_flush) * sub-bank, looking for dirty, valid tags that match our * address prefix. */ - + P5.L = (ITEST_COMMAND & 0xFFFF); P5.H = (ITEST_COMMAND >> 16); P4.L = (ITEST_DATA0 & 0xFFFF); @@ -119,7 +119,7 @@ ENTRY(_icplb_flush) * fetching tags, so we only have to set Set, Bank, * Sub-bank and Way. */ - + P2 = 4; LSETUP (ifs1, ife1) LC1 = P2; ifs1: P0 = 32; /* iterate over all sets*/ @@ -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; @@ -236,7 +238,7 @@ ENTRY(_dcplb_flush) [--SP] = LC1; [--SP] = LT1; [--SP] = LB1; - + /* If it's a 1K or 4K page, then it's quickest to * just systematically flush all the addresses in * the page, regardless of whether they're in the @@ -250,9 +252,9 @@ ENTRY(_dcplb_flush) /* We're only interested in the page's size, so extract * this from the CPLB (bits 17:16), and scale to give an - * offset into the page_size and page_prefix tables. + * offset into the page_size and page_prefix tables. */ - + R1 <<= 14; R1 >>= 30; R1 <<= 2; @@ -298,13 +300,13 @@ bank_chosen: * 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 * address prefix. */ - + P5.L = (DTEST_COMMAND & 0xFFFF); P5.H = (DTEST_COMMAND >> 16); P4.L = (DTEST_DATA0 & 0xFFFF); @@ -323,7 +325,7 @@ bank_chosen: * fetching tags, so we only have to set Set, Bank, * Sub-bank and Way. */ - + P2 = 2; LSETUP (fs1, fe1) LC1 = P2; fs1: P0 = 64; /* iterate over all sets*/ |