3.2.11. Speculation Control Register

The speculation_control Register characteristics are:

Purpose

Controls the read access speculation and write access speculation.

Usage constraints

The lockdown_select Register can restrict the access type of this register to RO. See Lockdown Select Register.

Configurations

Available in all configurations of the TZASC.

Attributes

See the register summary in Table 3.1.

Figure 3.11 shows the speculation_control Register bit assignments.

Figure 3.11. speculation_control Register bit assignments


Table 3.11 shows the speculation_control Register bit assignments.

Table 3.11. speculation_control Register bit assignments

BitsNameFunction
[31:2]-Reserved, SBZ.
[1]write_speculation

Controls the write access speculation:

0 = write access speculation is enabled. This is the default.

1 = write access speculation is disabled.

[0]read_speculation

Controls the read access speculation:

0 = read access speculation is enabled. This is the default.

1 = read access speculation is disabled.


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