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9d4de283d5
freebsd-dev/sys
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Andrew Turner 9d4de283d5 Rework the exception entry/return functions to make them valid frames to be 
unwound through. For this we need the frame pointer (x29) to point to the
location on the stack where we stored the previous frame pointer, and link
register. To simplify this the stack pointer is only adjusted by addition
and subtraction, and not through the use of post increment on loads and
stores.

The updated frame layout is:

+------------+
| lr -- x30  |
+------------+
| fp -- x29  | <-- x29 points at this
+------------+
| Trap frame |
| ...        |
|            | <-- sp points at this
+------------+

The only difference is the first two items, and setting of x29.

Sponsored by:	ABT Systems Ltd
2015-12-01 12:37:04 +00:00
..
amd64 Remove sv_prepsyscall, sv_sigsize and sv_sigtbl members of the struct 2015-11-28 08:49:07 +00:00
arm ARM: create new memory attribute for writethrough cacheable memory. 2015-11-30 17:09:25 +00:00
arm64 Rework the exception entry/return functions to make them valid frames to be 2015-12-01 12:37:04 +00:00
boot META MODE: Update dependencies with 'the-lot' and add missing directories. 2015-12-01 05:23:19 +00:00
bsm
cam Fix panic when trying to sort unsupported command in OOA queue. 2015-11-27 14:29:04 +00:00
cddl Make the number of fasttrap probes and the size of the trace points hash table 2015-12-01 00:24:54 +00:00
compat Add more functions and types to the LinuxKPI. 2015-11-30 09:24:12 +00:00
conf Add initial support for RTL8152 USB Fast Ethernet. RTL8152 supports 2015-12-01 05:12:13 +00:00
contrib Adjust a comment; we now support these embedded boards! 2015-12-01 06:11:09 +00:00
crypto const'ify an arg that we don't update... 2015-07-29 23:37:15 +00:00
ddb Add helper to catch single step debug event and distinguish it from bkpt 2015-11-27 19:03:59 +00:00
dev sfxge: added setting TSO-related parameters 2015-12-01 06:29:11 +00:00
fs Delete the TUNABLE_INT() line. It was in r291527 so that it could be 2015-11-30 23:37:09 +00:00
gdb CALLOUT_MPSAFE has lost its meaning since r141428, i.e., for more than ten 2015-05-22 17:05:21 +00:00
geom Fix early kernel dump via dumpdev env 2015-11-17 20:55:50 +00:00
gnu Fixing a memory leak on module unloading. 2015-09-11 22:43:35 +00:00
i386 Remove sv_prepsyscall, sv_sigsize and sv_sigtbl members of the struct 2015-11-28 08:49:07 +00:00
isa
kern capsicum: plug spurious memset in __cap_rights_init 2015-12-01 02:48:42 +00:00
kgssapi
libkern libkern: ffs, fls: s/4/3/ the 3rd BSD clause 2015-10-22 21:04:47 +00:00
mips Add support for the integrated wifi for the QCA953x base config and 2015-11-29 05:49:49 +00:00
modules Add initial support for RTL8152 USB Fast Ethernet. RTL8152 supports 2015-12-01 05:12:13 +00:00
net Fix LINT-NOIP kernels after r291467 2015-12-01 05:59:53 +00:00
net80211 [net80211] decode WPA cipher config '0' as "clear cipher config". 2015-11-26 01:54:58 +00:00
netgraph Move iflladdr_event eventhandler invocation to if_setlladdr. 2015-11-14 13:34:03 +00:00
netinet In the same way fix the problem described in r291578 for IGMPv3. 2015-12-01 11:24:30 +00:00
netinet6 mld_v2_dispatch_general_query() is used by mld_fasttimo_vnet() to send 2015-12-01 11:17:41 +00:00
netipsec Overhaul if_enc(4) and make it loadable in run-time. 2015-11-25 07:31:59 +00:00
netnatm
netpfil Add destroy_object callback to object rewriting framework. 2015-11-23 22:06:55 +00:00
netsmb The problem report was for a crash that happened when smbfs was 2015-11-18 23:04:01 +00:00
nfs Add kernel support to the NFS server for the "-manage-gids" 2015-11-30 21:54:27 +00:00
nfsclient
nfsserver
nlm
ofed Add some defines needed by the coming mlx5 infiniband support. 2015-11-24 12:11:56 +00:00
opencrypto Remove unneeded includes of opt_kdtrace.h. 2015-11-22 02:01:01 +00:00
pc98 Disconnect iBCS2 emulator from the build. The ibcs2 option, the build 2015-11-28 08:31:32 +00:00
powerpc Print machine check address for Book-E. 2015-11-30 02:40:41 +00:00
rpc Improve locking of sg_threadcount. 2015-11-19 08:04:05 +00:00
security fd: make 'rights' a manadatory argument to fget* functions 2015-07-05 19:05:16 +00:00
sparc64 Remove sv_prepsyscall, sv_sigsize and sv_sigtbl members of the struct 2015-11-28 08:49:07 +00:00
sys Bump __FreeBSD_version since r291527 changes the interface between the 2015-11-30 22:35:53 +00:00
teken Sync HPA and VPA implementations with CUP. 2015-08-24 07:49:27 +00:00
tests Style 9 changes. 2015-11-12 10:31:14 +00:00
tools Rename the /usr/share/doc/legal files to driver.LICENSE to work around 2015-10-16 00:38:05 +00:00
ufs For performance reasons, it is useful to have a single string used as 2015-11-29 21:01:02 +00:00
vm r221714 fixed the situation when the collapse scan improperly handled 2015-12-01 09:06:09 +00:00
x86 Correct the number of DTLB entries reported for the CPUID Leaf 2 2015-11-24 19:55:11 +00:00
xdr
xen xen/intr: fix the event channel enabled per-cpu mask 2015-11-05 14:33:46 +00:00
Makefile Kill EoL whitespace. 2015-05-29 14:03:07 +00:00