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m1n1.hw.DART: coalesce continuos l2 ptes

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Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2022-02-19 13:48:06 +01:00 committed by Hector Martin
parent e1c5df5037
commit d76f3a6631
1 changed files with 28 additions and 3 deletions
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31
proxyclient/m1n1/hw/dart.py
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@ -330,22 +330,47 @@ class DART(Reloadable):
self.pt_cache = {}
def dump_table2(self, base, l1_addr):
def print_block(base, pte, start, last):
pgcount = last - start
pte.OFFSET -= pgcount
print(" page (%4d): %08x ... %08x -> %016x [%d%d]" % (
start, base + start*0x4000, base + (start+1)*0x4000,
pte.OFFSET << self.PAGE_BITS, pte.SP_PROT_DIS, pte.VALID))
if start < last:
print(" ==> (%4d): ... %08x -> %016x size: %08x" % (
last, base + (last+1)*0x4000,
(pte.OFFSET + pgcount - 1) << self.PAGE_BITS, pgcount << self.PAGE_BITS))
cached, tbl = self.get_pt(l1_addr)
unmapped = False
start = 0
next_pte = self.ptecls(VALID=0)
for i, pte in enumerate(tbl):
pte = self.ptecls(pte)
if not pte.VALID:
if not unmapped:
if next_pte.VALID:
print_block(base, next_pte, start, i)
print(" ...")
unmapped = True
next_pte = pte
continue
unmapped = False
print(" page (%d): %08x ... %08x -> %016x [%d%d]" % (
i, base + i*0x4000, base + (i+1)*0x4000,
pte.OFFSET << self.PAGE_BITS, pte.SP_PROT_DIS, pte.VALID))
if int(pte) != int(next_pte):
if next_pte.VALID:
print_block(base, next_pte, start, i)
start = i
next_pte = pte
next_pte.OFFSET += 1
if next_pte.VALID:
print_block(base, next_pte, start, 2048)
def dump_table(self, base, l1_addr):
cached, tbl = self.get_pt(l1_addr)