The ARM architecture

... to ARM Ltd ARM Processors Overview ARM v7A Architecture/ Programmers Model Cortex - A8 Memory Management Cortex - A8 Pipeline 30 Agenda Introduction to ARM Ltd ARM Processors Overview ARM v7A Architecture/ Programmers ... Instruction Sets  The ARM is a 32 - bit architecture.  When used in relation to the ARM:  Byte means 8 bits  Halfword means 16 bits (two bytes) ...

Ngày tải lên: 03/04/2014, 22:40

... defined in the Appendix to the IEEE 754-1985 standard. Flush-to-zero mode The FZ bit of the FPSCR does not affect the operand or result of this instruction. Vectors When the LEN field of the FPSCR ... contains the first operand for the comparison. The register number is encoded as Fd (top 4 bits) and D (bottom bit). <Sm> Specifies the register which contains the...

Ngày tải lên: 18/10/2013, 00:15

... Sets the Z bit in the instruction to 1 and means that the operation uses the round towards zero rounding mode. If Z is not specified, the Z bit of the instruction is 0 and the operation uses the ... Sets the Z bit in the instruction to 1 and means that the operation uses the round towards zero rounding mode. If Z is not specified, the Z bit of the instruction is...

Ngày tải lên: 24/10/2013, 19:15

... so the end_address is four less than the value of the base register Rn plus four times the offset. •For the FLDMX and FSTMX instructions, the offset in the instruction is one more than twice the ... so the end_address is four less than the value of the base register Rn plus four times the offset. •For the FLDMX and FSTMX instructions, the offset in the instruct...

Ngày tải lên: 24/10/2013, 19:15

... logarithms base 2 of the cache line length and the number of cache sets respectively. A cache hit occurs if the tag bits of the virtual address supplied by the ARM processor match the tag bits associated ... running on the ARM processor to use identical address ranges, while ensuring that the addresses they present to the rest of the memory system differ. Flat addres...

Ngày tải lên: 29/10/2013, 02:15

Ngày tải lên: 29/10/2013, 02:15

... 1996-2000 ARM Limited. All rights reserved. A1-1 Chapter A1 Introduction to the ARM Architecture This chapter introduces the ARM architecture and contains the following sections: • About the ARM architecture ... Notice ARM, the ARM Powered logo, Thumb, and StrongARM are registered trademarks of ARM Limited. The ARM logo, AMBA, Angel, ARMulator, EmbeddedICE, M...

Ngày tải lên: 24/12/2013, 19:15

... R15. These also copy the SPSR to the CPSR, and are mainly intended for returning from exceptions. The Q flag In E variants of ARM architecture 5 and above, bit[27] of the CPSR is known as the ... instructions exist in these architectures that can switch between ARM and Thumb states. On T variants of ARM architecture 4 and above, the T bit has the following meanings:...

Ngày tải lên: 24/12/2013, 19:15

... (kitchen), the rest of the tank and rain water for cleaning house. * Class in the end (of the 3) including toilet and storage. 20 The detailed architecture of the house is very characteristic of the architecture ... the atmosphere of rural Vietnam. Besides, it also presents the traditional architecture of Hanoi. The architecture design of the pagoda is harmonious...

Ngày tải lên: 09/01/2014, 15:52

... 32MB, the Branch with Link (BL) instruction preserves the address of the instruction after the branch (the return address) in the LR (R14). In T variants of ARM architecture version 4, and in ARM ... of the value loaded by a long branch controls whether the subroutine is executed in ARM state or Thumb state, just like bit[0] of the value moved to the PC by a BX ins...

Ngày tải lên: 22/01/2014, 00:20