IBM PowerPC 604 User Manual page 226

Direct-Store
Segment Translation
T=1
ataAccess
l
FIOating-Point
Load or Store
'
....
otherwise 'l
~ =A~g~~·~~~n:
ec:lwx, ecowx, 1warC" _
I
ISi Exception
or stwcx. instruction otherwise
r--L
~~-(-
DSISR(S) +- 1 otherwise dcbtst, dcbf, dcbl, dcbst,
L - - - - .J
dcbz, or lcbl)
OSI Exception or Boundedly
Undefined Results
Perform Direct-Store
Interface Access
.............._
C
No-Op )
-----
- - - Optional to the PowerPC architecture. Implemented in the 604.
Figure s-11. Direct-Store Segment Translation Flow
Chapter 5. Memory Management 5-37