The map is failing as the user image frames are already mapped in. To map a frame again
without unmapping the original frame you need to make a copy of the capability and map
that in instead. A single frame cap can only be mapped in once.
On 6/07/2016 9:11 AM, Norrathep Rattanavipanon wrote:
I need to access the user image from a user application for verifying that the binary is
So I found in bootinfo.h that it contains userImageFrames and its supposed to be the one
I'm looking for but it gave me an error when I map the frames via
vspace_map_pages(vspace, info->userImageFrames.start, ...) at the root task.
The error is :
ERROR:sel4utils_map_page_pd:223: Error mapping pages, bailing: 2
What am I doing wrong here?
Norrathep (Oak) Rattanavipanon
M.S. in Computer Science
University of California - Irvine
Devel mailing list
Kernel engineer / PhD Student
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