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14ef905bb2
The issue was that the service routine was sometimes returning with the wrong flags set in the MSR. In this case, EIP bit was set while returning to User Mode which is an illegal combination since exceptions are always handled in privileged mode. In order for MicroBlaze to take an interrupt, the MSR must have IE=1, BIP=0 and EIP=0. Signed-off-by: Stefan Asserhall <stefana@xilinx.com> Signed-off-by: Goran Bilski <goran@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.