Epson ARM.POWERED ARM720T - Manual (Page 188)

11: Test Support
11-4 EPSON ARM720T CORE CPU MANUAL
Table 11-3 summarizes register c7, c9, and c15 operations.
The CAM read format for Rd is shown in Figure 11-2.
Figure 11-2 Rd format, CAM read
The CAM write format for Rd is shown in Figure 11-3.
Figure 11-3 Rd format, CAM write
In Figure 11-3, bit labels have the following meanings:
V Valid.
De Dirty even (words [3:0]). Not used.
Do Dirty odd (words [7:4]). Not used.
WB Writeback. Not used.
Table 11-3 Summary of CP15 register c7, c9, and c15 operations
Function Rd Instruction
Invalidate cache SBZ MCR p15, 0, , c7, c7, 0
Write cache victim and lockdown base Victim=Base MCR p15, 0, , c9, c0, 0
Write cache victim Victim, Seg MCR p15, 0, , c9, c1, 0
CAM read to C15.C Seg MCR p15, 2, , c15, c7, 2
CAM write Tag, Seg, Dirty MCR p15, 2, , c15, c7, 6
RAM read to C15.C Seg, Word MCR p15, 2, , c15, c11, 2
RAM write from C15.C Seg, Word MCR p15, 2, , c15, c11, 6
CAM match, RAM read to C15.C Tag, Seg, Word MCR p15, 2, , c15, c7, 5
Write to register C15.C Data MCR p15, 3, , c15, c3, 0
Read from register C15.C Data read MRC p15, 3, , c15, c3, 0
SBZ Seg
31 7 6 5 4 0
SBZ
31 7 6 5 4 0
MVA TAG
De
Seg
Do
WB
V
1 2 3
SBZ