深入探究:Trisc3a ARMv7微处理器的HDL实现与测试
1. 引言
在微处理器设计领域,ARMv7架构因其高效性和灵活性而备受关注。Trisc3a作为一款基于ARMv7 Cortex - A9架构的微处理器设计,具有独特的特性和优势。本文将详细介绍Trisc3a的HDL实现、测试过程以及相关的技术细节。
2. Trisc3a的HDL实现
Trisc3a的设计以PicoBlaze的设计为起点,采用单三相时钟周期设计。以下是其VHDL代码实现:
-- ===================================================================
-- Title: T-RISC 3 address machine
-- Description: This is the top control path/FSM of the
-- T-RISC, with a single 3 phase clock cycle design
-- It has a 3-address type instruction word
-- implementing a subset of the ARMv7 Cortex A9 architecture
-- ===================================================================
LIBRARY ieee; USE ieee.std_logic_1164.ALL;
PACKAGE n_bit_type IS -- User define