造成FAULT响应的JTAG-DP和SW-DP事务无法成功完成,在这种情况下CTRL/STAT.STICKYERR将被清除为0b0,以允许继续尝试之后的事务。 在上电复位后,此位的值为0b0。 TRNCNT, bits[23:12] 事务计数器的计数值。见事务计数器一节。 在上电复位后,此位的值是未知的(UNKNOWN)。 注意: 该位由实现来决定(IMPLEMENTATION...
6. Debug -> Use -> ST-Link Debugger. In the settings of the debugger, the port is SW (IDCORE: 0x2BA01477. Device Name: ARM CoreSight SW-DP). If I switch to JTAG instead, I get a message "Unknown target connected". I get an error message that states: ...
Part is 0x906, CoreSight CTI (Cross Trigger) Component class is 0x9, CoreSight component Type is 0x14, Debug Control, Trigger Matrix ROMTABLE[0xc] = 0x1ff02002 Component not present ROMTABLE[0x10] = 0x0 End of ROM table > dap info 6 AP ID register 0x001c0030 Unknown AP type > d...
(cmd, "\tType is MEM-AP APB"); break; case IDR_JEP106_ARM | AP_TYPE_AXI_AP: command_print(cmd, "\tType is MEM-AP AXI"); break; default: command_print(cmd, "\tUnknown AP type"); break; } /* NOTE: a MEM-AP may have a single CoreSight component that...
Available for the ARMCS-DP, ARMJTAG-DP, and ARMSW-DP devices only. The ARMCS-DP device represents the Debug Access Port (DAP) in a CoreSight system. This device is automatically detected when you autoconfigure a CoreSight system. However, any devices connected to ...
The DAPBUS interconnect connects a Debug Port (DP) to the Access Ports (APs) in a CoreSight DAP. See Also Debug Access Port (DAP). Data Abort An indication to the core of an attempted data access that is not permitted. The Data Abort might be generated by access permission checks perfo...
CoreSightTM debug, breakpoints, watchpoints, and cross- triggers Microarchitecture • 3-stage pipeline with branch speculation • Low latency interrupt processing • Von Neumann architecture ARM Cortex-M4 Core The ARM Cortex-M4 core (Figure 11) is a 32-bit reduced instruction set computer (...