4.3.20 Configuration Base Address Register

The CBAR holds the physical base address of the memory-mapped interrupt controller registers.

Usage constraints
The CBAR is a read-only register.
Configurations
Reset to PERIPHBASE[31:13] so that software can determine the location of the private memory region.
Attributes
See the c15 register summary, 4.2.8 c15 registers.

The following figure shows the CBAR bit assignments.

Figure 4-23 CBAR bit assignments
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To access the CBAR, read the CP15 register with:

MRC p15, 4, <Rd>, c15, c0, 0 ; Read Configuration Base Address Register
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