兼容ARMv2a指令集的amber pocessor的verilog代码

DescriptionTheAmberprocessorcoreisanARM-compatible32-bitRISCprocessor.TheAmbercoreisfullycompatiblewiththeARMv2ainstructionsetarchitecture(ISA)andisthereforesupportedbytheGNUtoolset.ThisolderversionoftheARMinstructionsetissupportedbecauseitisstillfullysupportedbytheGNUtoolchainan