-Wired Register (6)

4.3 System Control Coprocessor

Wired Register (6)

The Wired register is a read/write register that specifies the boundary between the wired and random entries of the TLB as shown in Figure 4-13. Wired entries are fixed, nonreplaceable entries, which cannot be overwritten by a TLB write operation. Random entries can be overwritten.

Figure 4-13 Wired Register Boundary

The Wired register is set to 0 upon system reset. Writing this register also sets the Random register to the value of its upper bound (see Random register, above). Figure 4-14 shows the format of the Wired register; Table 4-10 describes the register fields.

Figure 4-14 Wired Register

Table 4-10 Wired Register Field Descriptions

Copyright 1996, MIPS Technologies, Inc. -- 21 MAR 96

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