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The "clear PXE mode" admin queue command will return an EEXIST error if the device is already in non-PXE mode, but there is no other admin queue command that can be used to determine whether the device has already been switched into non-PXE mode. Provide a mechanism to allow expected errors from a command to be silenced, to allow the "clear PXE mode" command to be cleanly used without needing to first check the GLLAN_RCTL_0 register value. Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE README File Quick start guide: cd src make For any more detailed instructions, see http://ipxe.org