ex访问请求会外发到core外面,即AxLock信号为1,表示这是一次exclusive访问; 由core外面的gloabl monitor来支持exclusive。若不支持gloabl monitor,则core将收到普通的OKAY响应(AXI接口),或者对于AHB接口将收到输入信号HEXOKAY为0(AHB接口没有WRESP、RRESP信号) M55/STAR, 只有对shareable属性的memory区做exclusive访问才...
[1:0] aximst_arsize[2:0] aximst_arburst[1:0] aximst_arvalid aximst_arready aximst_rid[1:0] aximst_rresp[1:0] aximst_rdata[127:0] aximst_rlast aximst_rvalid aximst_rready axislv_awid[3:0] axislv_awaddr[31:0] axislv_awlen[3:0] axislv_awsize[2:0] axislv_awburst...
What is the CPU behavior when the Load Exclusive is responded with RRESP=OKAY on the AXI interface or 'Exclusive access failed' on the AHB interface for all Cortex-M processors? Answer Load Exclusive and Store Exclusive are always used in pairs to implement atomic operations. They provide a ...
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[1:0] s0_axi4lite_rresp, // .rresp output wire s0_axi4lite_rvalid, // .rvalid input wire s0_axi4lite_rready, // .rready input wire [2:0] s0_axi4lite_awprot, // .awprot input wire [2:0] s0_axi4lite_arprot // .arprot ); ed_synth_emif_ph2_0_emif_ph2_610_ftp76...
input wire [1:0] hps_0_h2f_lw_axi_master_rresp, // .rresp input wire hps_0_h2f_lw_axi_master_rlast, // .rlast input wire hps_0_h2f_lw_axi_master_rvalid, // .rvalid output wire hps_0_h2f_lw_axi_master_rready, // .rready 翻譯 ...
signal axi_rresp : std_logic_vector(1 downto 0); signal axi_rvalid : std_logic; -- Example-specific design signals -- local parameter for addressing 32 bit / 64 bit C_S_AXI_DATA_WIDTH -- ADDR_LSB is used for addressing 32/64 bit registers/memories ...