2 Extend

Mario Romero edited this page 2023-06-06 18:10:31 +00:00

Table of Contents

• Immediate Extend

Immediate Extend

Defined in rtl/extend.sv

Figure	Direction	Signal
	Input	imm_src
		instr
	Output	imm_ext

This module extend the instr immediate from a bit index depending from the imm_src signal. The imm_src signal represent the instruction type as follows:

Binary value	Instruction Type
00	I
01	S
10	B
11	J

Table of Contents

• General Architecture
  • Datapaths
    • Single-Cycle
    • 5-Stage Multi-Cycle
    • 5-Stage Pipelined
  • Datapath units
    • Instruction Memory
    • ALU
    • Extend
    • Register File
  • Interfaces
    • Instruction Memory Interface
    • Data Memory Interface
    • AXI4
• Verification

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