mc68ec040v Freescale Semiconductor, Inc, mc68ec040v Datasheet - Page 59

• Manufacturer Part Number: mc68ec040v
• Description: M68040 User Manual
• Manufacturer: Freescale Semiconductor, Inc

3- 10
PFA - PAGE FRAME ADDRESS
DF[ ] - DESCRIPTOR FIELD
WP - ACCUMULATED WRITE-
ABBREVIATIONS:
Figure 3-9. Detailed Flowchart of Table Search Operation
EXIT TABLE SEARCH
CREATE ATC ENTRY
PROTECTION STATUS
ASSIGNMENT OPERATOR
WITH R-BIT CLEAR
Freescale Semiconductor, Inc.
'INVALID'
'INVALID'
OTHERWISE
'INVALID'
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(CHECK DESCRIPTOR TYPE)
(CHECK DESCRIPTOR TYPE)
(CHECK DESCRIPTOR TYPE)
(CHECK DESCRIPTOR TYPE)
SELECT ROOT POINTER
(INITIALIZE ACCRUED
FC2 = 0:URP, 1:SRP
TYPE
UPDATE
TYPE 'POINTER'
FETCH INDIRECT
FETCH POINTER
TYPE
FETCH ROOT
DESCRIPTOR
DESCRIPTOR
FETCH PAGE
DESCRIPTOR
DESCRIPTOR
'RESIDENT'
'RESIDENT'
'INDIRECT'
STATUS)
WP
ENTRY
'INDIRECT'
'PAGE'
0
FALSE
ATC ENTRY
'RESIDENT'
'RESIDENT'
CREATE ATC ENTRY WITH R-BIT SET
PFA = PHYSICAL ADDRESS
ATC TAG
FIELD OF DESCRIPTOR
EXIT TABLE SEARCH
PFA, DF[U1,U0,S,CM,M],WP
FC2, LA, DF[G]
MOTOROLA