jtag claim - 2024.1 English

Vitis Unified Software Platform Documentation: Embedded Software Development (UG1400)

Document ID
UG1400
Release Date
2024-05-30
Version
2024.1 English

Claim JTAG device.

Syntax

jtag claim <mask>

Set claim mask for current JTAG device.

DESCRIPTION- This command attempts to set the claim mask for the current JTAG device. If any set bits in <mask> are already set in the claim mask then this command returns error-

"already claimed".

The claim mask allow clients to negotiate control over JTAG devices. This is different from jtag lock in that 1) it is specific to a device in the scan chain, and 2) any clients can perform JTAG operations while the claim is in effect.

Note(s)

  • Currently claim is used to disable the hw_server debugger from controlling microprocessors on Arm DAP devices and FPGA devices containing MicroBlaze processors.

Returns

Nothing.