diff mbox

[2/2,v6] powerpc/kvm: common sw breakpoint instr across ppc

Message ID 541045D6.3070609@suse.de
State New, archived
Headers show

Commit Message

Alexander Graf Sept. 10, 2014, 12:36 p.m. UTC 
On 09.09.14 19:07, Madhavan Srinivasan wrote:
> This patch extends the use of illegal instruction as software
> breakpoint instruction across the ppc platform. Patch extends
> booke program interrupt code to support software breakpoint.
> 
> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
> ---
> Patch is only compile tested. Will really help if
> someone can try it out and let me know the comments.

I've squashed the following patch into this one to make it work on booke hv.

Alex


 kvm_handler BOOKE_INTERRUPT_SYSCALL, SPRN_SRR0, SPRN_SRR1, 0
 kvm_handler BOOKE_INTERRUPT_AP_UNAVAIL, SPRN_SRR0, SPRN_SRR1, 0
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diff mbox

Patch

diff --git a/arch/powerpc/kvm/bookehv_interrupts.S
b/arch/powerpc/kvm/bookehv_interrupts.S
index c8e4da5..81bd8a0 100644
--- a/arch/powerpc/kvm/bookehv_interrupts.S
+++ b/arch/powerpc/kvm/bookehv_interrupts.S
@@ -238,7 +238,7 @@  kvm_handler BOOKE_INTERRUPT_EXTERNAL, EX_PARAMS(GEN), \
 kvm_handler BOOKE_INTERRUPT_ALIGNMENT, EX_PARAMS(GEN), \
 	SPRN_SRR0, SPRN_SRR1,(NEED_DEAR | NEED_ESR)
 kvm_handler BOOKE_INTERRUPT_PROGRAM, EX_PARAMS(GEN), \
-	SPRN_SRR0, SPRN_SRR1,NEED_ESR
+	SPRN_SRR0, SPRN_SRR1, (NEED_ESR | NEED_EMU)
 kvm_handler BOOKE_INTERRUPT_FP_UNAVAIL, EX_PARAMS(GEN), \
 	SPRN_SRR0, SPRN_SRR1, 0
 kvm_handler BOOKE_INTERRUPT_AP_UNAVAIL, EX_PARAMS(GEN), \
@@ -348,7 +348,7 @@  kvm_handler BOOKE_INTERRUPT_INST_STORAGE, SPRN_SRR0,
SPRN_SRR1, NEED_ESR
 kvm_handler BOOKE_INTERRUPT_EXTERNAL, SPRN_SRR0, SPRN_SRR1, 0
 kvm_handler BOOKE_INTERRUPT_ALIGNMENT, \
 	SPRN_SRR0, SPRN_SRR1, (NEED_DEAR | NEED_ESR)
-kvm_handler BOOKE_INTERRUPT_PROGRAM, SPRN_SRR0, SPRN_SRR1, NEED_ESR
+kvm_handler BOOKE_INTERRUPT_PROGRAM, SPRN_SRR0, SPRN_SRR1, (NEED_ESR |
NEED_EMU)
 kvm_handler BOOKE_INTERRUPT_FP_UNAVAIL, SPRN_SRR0, SPRN_SRR1, 0