2.4.2. Jazelle Main Configuration Register

The Jazelle Main Configuration Register controls features of the Jazelle Extension.

The Jazelle Main Configuration Register is:

in CP14 register c0
a 32-bit register, with access rights that depend on the current privilege:
- Write-only (WO) in User mode
- Read/Write (R/W) in Privileged modes.

Figure 2.5 shows the bit arrangement of the Jazelle Main Configuration Register.

Figure 2.5. Jazelle Main Configuration Register format

Table 2.5 shows how the bit values correspond with the Jazelle Main Configuration Register.

Table 2.5. Jazelle Main Configuration Register bit functions

Bits	Field	Function
[31:0]	-	RAZ

To access this register, read or write CP14 with:

MRC p14, 7, <Rd>, c2, c0, 0 ; Read Main Configuration Register

MCR p14, 7, <Rd>, c2, c0, 0 ; Write Main Configuration Register

Copyright © 2006-2008 ARM Limited. All rights reserved.	ARM DDI 0344E
PDF version

Home > Programmer’s Model > Jazelle Extension > Jazelle Main Configuration Register