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2-22 PPC405 Core User’s Manual
Figure 2-11 illustrates the contents of a GPR and memory (starting at address 00) after a normal
load/store in a big endian storage region.
Note that the results are identical to the results of a load/store with byte-reverse in a little endian
storage region, as illustrated in Figure 2-12.
Figure 2-13 illustrates the contents of a GPR and memory (starting at address 00) after a load/store
with byte-reverse in a big endian storage region.
GPR
LSB
MSB
Memory
0x00 0x01 0x02 0x03
11 12 13 14
11 12 13 14
Figure 2-11. Normal Word Load or Store (Big Endian Storage Region)
GPR
LSB
MSB
Memory
0x00 0x01 0x02 0x03
11 12 13 14
11 12 13 14
Figure 2-12. Byte-Reverse Word Load or Store (Little Endian Storage Region)
GPR
LSB
MSB
Memory
0x00 0x01 0x02 0x03
11 12 13 14
14 13 12 11
Figure 2-13. Byte-Reverse Word Load or Store (Big Endian Storage Region)