3.5.48. VMID Comparator Value Register, ETMVMIDCVR, ETMv3.5

The ETMVMIDCVR characteristics are:


Holds a value that the current Virtual Machine ID (VMID) can be compared to.

Usage constraints

There are no usage constraints.


This register is only available in ETMv3.5 or later.

This is an optional register. Bit [26] of the ETMCCER reads as 1 if the ETMVMIDCVR is implemented. See Configuration Code Extension Register, ETMCCER, ETMv3.1 and later. If the Virtualization Extensions are not supported, this register is RAZ/WI.


See the register summary in Table 3.3 and Reset behavior.

Figure 3.44 shows the ETMVMIDCVR bit assignments.

Figure 3.44. ETMVMIDCVR bit assignments

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Table 3.58 shows the ETMVMIDCVR bit assignments.

Table 3.58. ETMVMIDCVR bit assignments


Version [a]



Virtual Machine ID

[a] The first ETM architecture version that defines the field.

There is no mask for VMID comparators.

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