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freebsd-skq/sys/powerpc/booke
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jhibbits b7802808dc powerpcspe: Fix GPR handling in SPE exception handler 
Optimize the exception handler to only save and load the upper word of the
GPRs used in the emulating instruction.  This reduces the save/load
overhead, and as a side effect does not overwrite the upper word of any
temporary register.

With this commit I am now able to run editors/abiword and math/gnumeric on a
e500-based system.

MFC after:	1 week
MFC With:	r341752,r341751
2018-12-13 04:48:28 +00:00
..
booke_machdep.c powerpc/booke: Check for the metadata address by physical address 2018-12-03 04:47:28 +00:00
locore.S powerpc/booke: Don't get and use the load offset for TOC on APs 2018-12-11 02:03:00 +00:00
machdep_e500.c sys/powerpc: further adoption of SPDX licensing ID tags. 2017-11-27 15:09:59 +00:00
machdep_ppc4xx.c sys/powerpc: further adoption of SPDX licensing ID tags. 2017-11-27 15:09:59 +00:00
mp_cpudep.c sys/powerpc: further adoption of SPDX licensing ID tags. 2017-11-27 15:09:59 +00:00
platform_bare.c sys/powerpc: further adoption of SPDX licensing ID tags. 2017-11-27 15:09:59 +00:00
pmap.c powerpc: preload_addr_relocate is no longer necessary for booke 2018-12-04 03:51:10 +00:00
spe.c powerpcspe: Fix GPR handling in SPE exception handler 2018-12-13 04:48:28 +00:00
trap_subr.S powerpcspe: Implement SPE exception handling 2018-10-21 00:43:27 +00:00