EAGLE
PRELIMINARY
Ver 1.3
11 : OSI External Break
Reserved
Misalign Correction Support Enable / Disable
0 : Disable
7
6
R
R
-
0b
1 : Enable
Rending exception
0000 : Access violation exception (Instruction)
0001 : TLB miss exception (Instruction)
0010 : Privilege violation exception
0011 : Address alignment error exception (Data)
0100 : Access violation exception (Data)
0101 : TLB miss exception (Data)
0110 : Write to Read-Only region (Data)
1000 : Address alignment error exception (Instruction)
1111 : NIL
5:2
R
1111b
Pending exception status
1
0
R
R
0 : No pending exception
1 : Pending exception as bit 5:2
Reserved
0b
-
3.31.2.2 Master Command Register
Co-processor #0 – R15
Bit
R/W
Description
Default Value
31:16
W
Reserved
-
Write buffer Control
0xxxx : N/A
110xx : Disable write buffer
15:11
W
11100 : Enable write buffer without merge and forward function
11101 : Enable write buffer with forward function
11110 : Enable write buffer with merge and forward function
10xxx : Control by MBMU/ TLB information
Cache Configuration
00111b
0xx : N/A
100 : Disable L1 Cache Snooping
101 : Enable L1 Cache Snooping
110 : Disable L2 Cache Snooping
111 : Enable L2 Cache Snooping
Misalign Correction Support enable/disable
0x: N/A
10:8
7:6
W
W
000b
00b
10: disable
11: enable
End of exception
0000 : Access violation exception (Instruction)
0001 : TLB miss exception (Instruction)
0010 : Privilege violation exception
0011 : Address alignment error exception (Data)
0100 : Access violation exception (Data)
0101 : TLB miss exception (Data)
0110 : Write to Read-Only region (Data)
1000 : Address alignment error exception (Instruction)
1111: NIL
5:2
1:0
W
W
1111b
0b
Reserved
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CONFIDENTIAL
222
ETC [ ETC ]
