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m1n1.hw.uat: Support block maps

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Signed-off-by: Asahi Lina <lina@asahilina.net>
This commit is contained in:
Asahi Lina 2022-08-31 11:13:55 +09:00
parent bfaf358f82
commit b063fde19a
1 changed files with 17 additions and 23 deletions
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40
proxyclient/m1n1/hw/uat.py
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@ -44,6 +44,9 @@ class TTBR(Register64):
def valid(self):
return self.VALID == 1
def block(self):
return False
def offset(self):
return self.BADDR << 1
@ -54,26 +57,6 @@ class TTBR(Register64):
return f"{self.offset():x} [ASID={self.ASID}, VALID={self.VALID}]"
class PTE(Register64):
OFFSET = 47, 14
UNK0 = 10 # probally an ownership flag, seems to be 1 for FW created PTEs and 0 for OS PTEs
TYPE = 1
VALID = 0
def valid(self):
return self.VALID == 1 and self.TYPE == 1
def offset(self):
return self.OFFSET << 14
def set_offset(self, offset):
self.OFFSET = offset >> 14
def describe(self):
if not self.valid():
return f"<invalid> [{int(self)}:x]"
return f"{self.offset():x}, UNK={self.UNK0}"
class Page_PTE(Register64):
OS = 55 # Owned by host os or firmware
UXN = 54
PXN = 53
@ -87,7 +70,11 @@ class Page_PTE(Register64):
VALID = 0
def valid(self):
return self.VALID == 1 and self.TYPE == 1
return self.VALID == 1
def block(self):
return self.TYPE == 0
def offset(self):
return self.OFFSET << 14
@ -138,6 +125,13 @@ class Page_PTE(Register64):
f"Owner={['FW', 'OS'][self.OS]}, AF={self.AF}, SH={self.SH}] ({self.value:#x})"
)
class Page_PTE(PTE):
def valid(self):
return self.VALID == 1 and self.TYPE == 1
def block(self):
return True
class UatAccessor(Reloadable):
def __init__(self, uat, ctx=0):
self.uat = uat
@ -520,7 +514,7 @@ class UAT(Reloadable):
start = extend(base + i * range_size)
end = start + range_size - 1
if level + 1 == len(self.LEVELS):
if pte.block():
if page_fn:
page_fn(start, end, i, pte, level, sparse=sparse)
else:
@ -571,7 +565,7 @@ class UAT(Reloadable):
def dump(self, ctx, log=print):
def print_fn(start, end, i, pte, level, sparse):
type = "page" if level+1 == len(self.LEVELS) else "table"
type = "page" if pte.block() else "table"
if sparse:
log(f"{' ' * level}...")
log(f"{' ' * level}{type}({i:03}): {start:011x} ... {end:011x}"