K 10
svn:author
V 8
jhibbits
K 8
svn:date
V 27
2019-04-23T03:05:26.732233Z
K 7
svn:log
V 620
powerpc64/pseries: Fix hypervisor call with extra arguments

Some hypervisor calls, such as H_SEND_LOGICAL_LAN, take more arguments than
are traditionally passed in registers.  The HCALL ABI will accept these
arguments in r11 and r12.  With ELFv2 ABI, these arguments are 2
double-words lower than ELFv1 ABI, as two double-words in the stack frame
are no longer used, and therefore removed from the frame.  Fix the offsets
for loading the registers for the HCALL.  This fixes the phyp_llan driver
with ELFv2 kernel.

Submitted by:	alfredo.junior_eldorado.org.br
Differential Revision:	https://reviews.freebsd.org/D20008

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