B1.75.1 IFSR with Short-descriptor translation table format

IFSR has a specific format when using the Short-descriptor translation table format.

The following figure shows the IFSR bit assignments when using the Short-descriptor translation table format.

When TTBCR.EAE==0:

Figure B1-60 IFSR bit assignments for Short-descriptor translation table format
To view this graphic, your browser must support the SVG format. Either install a browser with native support, or install an appropriate plugin such as Adobe SVG Viewer.


ExT, [12]

External abort type.

Read as zero.

For aborts other than external aborts, this bit always returns 0.

Bit fields and details not provided in this description are architecturally defined. See the Arm® Architecture Reference Manual Armv8, for Armv8-A architecture profile.

Non-ConfidentialPDF file icon PDF version100442_0200_00_en
Copyright © 2016–2018 Arm Limited or its affiliates. All rights reserved.