Displaying 2 results from an estimated 2 matches for "prev_l_mfn".
2007 Mar 08
3
Mini-OS: new_pt_frame fails
...The pt_pfn is mapped R/W, then it is zeroed by a memset(). After that it
is mapped with the correct protection flags and pinned. The problem is
that the first mapping fails:
Mapping memory range 0xc0400000 - 0xc1000000
MINI_OS(file=mm.c, line=68) Allocating new L1 pt frame for pt_pfn=36,
mfn=ca8, prev_l_mfn=cad, offset=301
(XEN) .../xen-3.0.4-testing.hg/xen/include/asm/mm.h:184:d1 Error pfn 0:
rd=ffbe8100, od=ffbf4100, caf=80000002, taf=e8000002
(XEN) mm.c:456:d1 Could not get page ref for pfn 0
(XEN) mm.c:2225:d1 Could not get page for normal update
New PT could not be mapped R/W.
Now I am puzzled w...
2012 Nov 26
13
[PATCH 0 of 4] Minios improvements for app development
This patch series contains a set of patches making minios rather easier
to use, from an application development point of view.
Overview of patches:
1 Command line argument parsing support, from Xen.
2 Weak console handler function.
3 Build system tweaks for application directories.
4 Trailing whitespace cleanup. (because it is very messy)
Patch 4 is likely to be more controversial than