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5.3.5. Jazelle Configurable Opcode Translation Table Register

The Jazelle Configurable Opcode Translation Table Register characteristics are:

Purpose

Provides translations between the configurable opcodes in the range 0xCB-0xFD and the operations that are provided by the Jazelle hardware.

Usage constraints

Only accessible in privileged modes.

Configurations

Available in all configurations.

Attributes

See the register summary in Table 5.1.

Figure 5.5 shows the Jazelle Configurable Opcode Translation Table Register bit assignments.

Figure 5.5. Jazelle Configurable Opcode Translation Table Register bit assignments

Figure 5.5. Jazelle Configurable Opcode Translation Table Register bit assignments

Table 5.6 shows the Jazelle Configurable Opcode Translation Table Register bit assignments.

Table 5.6. Jazelle Configurable Opcode Translation Table Register bit assignments
BitsNameFunction
[31:16]-UNK/SBZP
[15:10]OpcodeContains the bottom bits of the configurable opcode
[9:4]-UNK/SBZP
[3:0]OperationContains the code for the operation 0x0-0x9

To access the Jazelle Configurable Opcode Translation Table Register, write the CP14 register with:

MCR p14, 7, <Rd>, c4, c0, 0;  Write Jazelle Configurable Opcode Translation                               Table Register
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