GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 15:27:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

powerpc/64s/exception: KVM handler can set the HSRR trap bit

Browse source 
Move the KVM trap HSRR bit into the KVM handler, which can be
conditionally applied when hsrr parameter is set.

No generated code change.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2019-06-22 23:15:18 +10:00 • committed by Michael Ellerman
parent 17bdc064a1
commit c0c6cd156c
2 changed files with 7 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

5
arch/powerpc/include/asm/exception-64s.h
View file

@ -454,7 +454,12 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
ld r10,\area+EX_R10(r13)
std r12,HSTATE_SCRATCH0(r13)
sldi r12,r9,32
/* HSRR variants have the 0x2 bit added to their trap number */
.if \hsrr
ori r12,r12,(\n + 0x2)
.else
ori r12,r12,(\n)
.endif
/* This reloads r9 before branching to kvmppc_interrupt */
__BRANCH_TO_KVM_EXIT(\area, kvmppc_interrupt)