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powerpc/64s/exception: Remove old INT_KVM_HANDLER

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Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200225173541.1549955-9-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2020-02-26 03:35:17 +10:00 committed by Michael Ellerman
parent 6d71759a74
commit b177ae2f8c
1 changed files with 26 additions and 29 deletions
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55
arch/powerpc/kernel/exceptions-64s.S
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@ -266,15 +266,6 @@ do_define_int n
.endif
.endm
.macro INT_KVM_HANDLER name, vec, hsrr, area, skip
TRAMP_KVM_BEGIN(\name\()_kvm)
KVM_HANDLER \vec, \hsrr, \area, \skip
.endm
.macro GEN_KVM name
KVM_HANDLER IVEC, IHSRR, IAREA, IKVM_SKIP
.endm
#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
/*
@ -293,35 +284,35 @@ do_define_int n
bne \name\()_kvm
.endm
.macro KVM_HANDLER vec, hsrr, area, skip
.if \skip
.macro GEN_KVM name
.if IKVM_SKIP
cmpwi r10,KVM_GUEST_MODE_SKIP
beq 89f
.else
BEGIN_FTR_SECTION_NESTED(947)
ld r10,\area+EX_CFAR(r13)
ld r10,IAREA+EX_CFAR(r13)
std r10,HSTATE_CFAR(r13)
END_FTR_SECTION_NESTED(CPU_FTR_CFAR,CPU_FTR_CFAR,947)
.endif
BEGIN_FTR_SECTION_NESTED(948)
ld r10,\area+EX_PPR(r13)
ld r10,IAREA+EX_PPR(r13)
std r10,HSTATE_PPR(r13)
END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948)
ld r10,\area+EX_R10(r13)
ld r10,IAREA+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 == EXC_HV_OR_STD
.if IHSRR == EXC_HV_OR_STD
BEGIN_FTR_SECTION
ori r12,r12,(\vec + 0x2)
ori r12,r12,(IVEC + 0x2)
FTR_SECTION_ELSE
ori r12,r12,(\vec)
ori r12,r12,(IVEC)
ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
.elseif \hsrr
ori r12,r12,(\vec + 0x2)
.elseif IHSRR
ori r12,r12,(IVEC+ 0x2)
.else
ori r12,r12,(\vec)
ori r12,r12,(IVEC)
.endif
#ifdef CONFIG_RELOCATABLE
@ -334,25 +325,25 @@ END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948)
std r9,HSTATE_SCRATCH1(r13)
__LOAD_FAR_HANDLER(r9, kvmppc_interrupt)
mtctr r9
ld r9,\area+EX_R9(r13)
ld r9,IAREA+EX_R9(r13)
bctr
#else
ld r9,\area+EX_R9(r13)
ld r9,IAREA+EX_R9(r13)
b kvmppc_interrupt
#endif
.if \skip
.if IKVM_SKIP
89: mtocrf 0x80,r9
ld r9,\area+EX_R9(r13)
ld r10,\area+EX_R10(r13)
.if \hsrr == EXC_HV_OR_STD
ld r9,IAREA+EX_R9(r13)
ld r10,IAREA+EX_R10(r13)
.if IHSRR == EXC_HV_OR_STD
BEGIN_FTR_SECTION
b kvmppc_skip_Hinterrupt
FTR_SECTION_ELSE
b kvmppc_skip_interrupt
ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
.elseif \hsrr
.elseif IHSRR
b kvmppc_skip_Hinterrupt
.else
b kvmppc_skip_interrupt
@ -363,7 +354,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948)
#else
.macro KVMTEST name, hsrr, n
.endm
.macro KVM_HANDLER name, vec, hsrr, area, skip
.macro GEN_KVM name
.endm
#endif
@ -1627,6 +1618,12 @@ EXC_VIRT_NONE(0x4b00, 0x100)
* without saving, though xer is not a good idea to use, as hardware may
* interpret some bits so it may be costly to change them.
*/
INT_DEFINE_BEGIN(system_call)
IVEC=0xc00
IKVM_REAL=1
IKVM_VIRT=1
INT_DEFINE_END(system_call)
.macro SYSTEM_CALL virt
#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
/*
@ -1720,7 +1717,7 @@ TRAMP_KVM_BEGIN(system_call_kvm)
SET_SCRATCH0(r10)
std r9,PACA_EXGEN+EX_R9(r13)
mfcr r9
KVM_HANDLER 0xc00, EXC_STD, PACA_EXGEN, 0
GEN_KVM system_call
#endif