5NP4G
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8.2.7.7 Read LUDefTable (RDLUDEF)
RDLUDEF reads LUDefTable at a specified entry and stores the result in the LUDefCopy register field in the
shared memory pool.The TSE can read LUDefTable while picocode builds a key because RDLUDEF is
executed asynchronously.
Figure 8-10. General Layout of TSE RDLUDEF in Shared Memory Pool
127
120 119
112 111
32 31
0
Reserved
TSEDPA
Reserved
Reserved
LuDefIndex
LUDefTable Entry (79..32)
95
TSEDPA+1
LUDefTable_Rope Entry (95 ..0) (GTH only)
Table 8-38. RDLUDEF Input Operands
Operand Source
Operand
Bit Length
8
Description
Direct
Indirect
LUDefIndex
Imm16(12:5)
Imm16(4:1)
GPR(7:0)
Defines entry in LUDefTable
TSE Thread Shared Memory Pool Address determines the destination
location for the LUDefTable entry data to be read. The TSEDPA is the
TSEDPA
4
Imm12(4:1) high order 4 bits of the thread’s shared memory pool address (see
7.2.4 Shared Memory Pool on page 201) and is constrained to be on a
four-QW boundary.
5NP4G Network Processor, Data Sheet, DS-0125-02
January 2006
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