Jazelle architecture reference manual

2 Confidential 3 ARM Architecture profiles §Application profile (ARMv7 -A àe.g. Cortex -A8) §Memory management support (MMU) §Highest performance at low power §Influenced by multi-tasking OS system requirements §TrustZone and Jazelle-RCT for a safe, extensible system §Real-time profile (ARMv7 -R àe.g. Cortex -R4) §Protected memory (MPU) §Low latency and . permission of ARM; or (iv) translate or have translated this ARM Architecture Reference Manual into any other languages. www.doorway.ru ARM ARCHITECTURE REFERENCE MANUAL IS PROVIDED "AS IS" WITH NO WARRANTIES EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF SATISFACTORY QUALITY, NONINFRINGEMENT OR . Jazelle DBX (direct bytecode execution) is an extension that allows some ARM processors to execute Java bytecode in hardware as a third execution state alongside the existing ARM and Thumb modes. Jazelle functionality was specified in the ARMv5TEJ architecture and the first processor with Jazelle technology was the ARMEJ-S. Jazelle is denoted by a "J" .

ARMv5 Architecture Reference Manual. ARMv7 user-space compatibility [1]. Retrieved 7 March Following an entry into the Jazelle state mode, bytecodes can be processed in one of three ways: This section needs additional citations for verification. Technical Reference Manual Chapter 5 Jazelle DBX registers • ARM Architecture Reference Manua l, ARMv7-A and ARMv7-R edition. Jazelle DBX is an extension that allows some ARM processors to execute Java bytecode in hardware as a third execution state alongside the existing ARM and Thumb modes. Jazelle is an execution mode in ARM architecture which "provides architectural support for hardware acceleration of bytecode execution by a Java Virtual Machine (JVM)" - quoted from ARM Architecture Manual. It also looks like there are two flavours of Jazelle; DBX and RCT. Following text is from Cortex-A Series Programmer’s Guide (v3).

About the book This is the authoritative reference guide to the ARM RISC architecture. Produced by the architects that are actively working on the ARM. Under Cortex-A series processors on the left side Cortex-A8 get the most recent manual r3v2 (rev ). Under ARM Architecture expand Reference. Overhaul of the memory system architecture. □ ARMv7 rolls in a number of substantive changes: ○. Thumb-2*. ○. TrustZone*. ○. Jazelle-RCT.