ARM Cortex-M3

Embedded Trace Macrocell
14-14 Copyright © 2005-2008 ARM Limited. All rights reserved. ARM DDI 0337G
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Figure 14-3 shows the full branch with exception packet.
Figure 14-3 Exception encoding for branch packet
2 bytes exception Reserved 7 22
2 bytes exception Reserved 13 23
2 bytes exception IRQ8 24 24
2 bytes exception IRQ9 25 25
2 bytes exception IRQ10 26 26
....
....
....
2 bytes exception IRQ239 255 255
Table 14-8 Exception tracing mapping (continued)
Number of bytes Exception ETMINTNUM Traced value
Address byte 0
Address byte 1
(optional)
Address byte 2
(optional)
Address byte 3
(optional)
Address byte 4
(optional)
Exception information
Byte 0
Exception information
Byte 1 (optional)
01234
5
67
C
C
C
C
C
C
C
1
NS
E/
Addr[13]
E/
Addr[20]
E/
Addr[27]
E
0
T2EE
SBZ
Canc
0 1
Addr[6:1]
Addr[12:7]
Addr[19:14]
Addr[26:21]
Addr[31:28]
Excp[3:0]
Excp[8:4]