ncase of PR_KVM.
Made changes to commit message.
Madhavan Srinivasan (2):
powerpc/kvm: support to handle sw breakpoint
powerpc/kvm: common sw breakpoint instr across ppc
arch/powerpc/include/asm/kvm_booke.h | 2 --
arch/powerpc/include/asm/kvm_ppc.h | 6 ++
arch/powerpc/kvm/book3s.c
breakpoint in PR KVM.
Signed-off-by: Madhavan Srinivasan
---
arch/powerpc/include/asm/kvm_ppc.h | 6 ++
arch/powerpc/kvm/book3s.c | 3 ++-
arch/powerpc/kvm/book3s_hv.c | 41 ++
arch/powerpc/kvm/book3s_pr.c | 3 +++
arch/powerpc/kvm
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
---
Patch is only compile tested. Will really help if
someone can try it out
On Monday 08 September 2014 06:39 PM, Alexander Graf wrote:
>
>
> On 07.09.14 18:31, Madhavan Srinivasan wrote:
>> This patch extends the use of illegal instruction as software
>> breakpoint instruction across the ppc platform. Patch extends
>> booke program interru
On Monday 08 September 2014 06:35 PM, Alexander Graf wrote:
>
>
> On 07.09.14 18:31, Madhavan Srinivasan wrote:
>> This patch adds kernel side support for software breakpoint.
>> Design is that, by using an illegal instruction, we trap to hypervisor
>> via Emulation
tion #def to kvm_book3s.h. This way PR_KVM can also
share it.
Added code to use KVM get one reg infrastructure to get debug opcode.
Updated emulate.c to include emulation of debug instruction incase of PR_KVM.
Made changes to commit message.
Madhavan Srinivasan (2):
powerpc/kvm: support
breakpoint in PR KVM.
Signed-off-by: Madhavan Srinivasan
---
arch/powerpc/include/asm/kvm_ppc.h | 6 ++
arch/powerpc/kvm/book3s.c | 3 ++-
arch/powerpc/kvm/book3s_hv.c | 41 ++
arch/powerpc/kvm/book3s_pr.c | 3 +++
arch/powerpc/kvm
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
---
Patch is only compile tested. Will really help if
someone can try it
On Thursday 21 August 2014 02:40 PM, Alexander Graf wrote:
>
>
> On 20.08.14 07:52, Madhavan Srinivasan wrote:
>> This patch adds kernel side support for software breakpoint.
>> Design is that, by using an illegal instruction, we trap to hypervisor
>> via Emulation Ass
share it.
Added code to use KVM get one reg infrastructure to get debug opcode.
Updated emulate.c to include emulation of debug instruction incase of PR_KVM.
Made changes to commit message.
Signed-off-by: Madhavan Srinivasan
---
arch/powerpc/include/asm/kvm_book3s.h | 7 +++
arch/po
On Tuesday 12 August 2014 05:45 PM, Alexander Graf wrote:
>
> On 12.08.14 13:35, Madhavan Srinivasan wrote:
>> On Tuesday 12 August 2014 04:49 PM, Alexander Graf wrote:
>>> On 12.08.14 07:17, Madhavan Srinivasan wrote:
>>>> On Monday 11 August 2014 02:45 P
On Tuesday 12 August 2014 04:49 PM, Alexander Graf wrote:
>
> On 12.08.14 07:17, Madhavan Srinivasan wrote:
>> On Monday 11 August 2014 02:45 PM, Alexander Graf wrote:
>>> On 11.08.14 10:51, Benjamin Herrenschmidt wrote:
>>>> On Mon, 2014-08-11 at 09:26 +0200,
On Monday 11 August 2014 02:45 PM, Alexander Graf wrote:
>
> On 11.08.14 10:51, Benjamin Herrenschmidt wrote:
>> On Mon, 2014-08-11 at 09:26 +0200, Alexander Graf wrote:
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index da86d9b..d95014e 100644
--- a/arch/pow
On Sunday 03 August 2014 09:21 PM, Segher Boessenkool wrote:
>> +/*
>> + * KVMPPC_INST_BOOK3S_DEBUG is debug Instruction for supporting Software
>> Breakpoint.
>> + * Based on PowerISA v2.07, Instruction with opcode 0s will be treated as
>> illegal
>> + * instruction.
>> + */
>
> "primary opcode
off-by: Madhavan Srinivasan
---
arch/powerpc/include/asm/kvm_book3s.h | 7 +++
arch/powerpc/include/asm/ppc-opcode.h | 5 +
arch/powerpc/kvm/book3s.c | 3 ++-
arch/powerpc/kvm/book3s_hv.c | 12 ++--
arch/powerpc/kvm/book3s_pr.c | 3 +++
arch/powerpc/kvm/emu
On Thursday 03 July 2014 05:21 PM, Alexander Graf wrote:
>
> On 01.07.14 10:41, Madhavan Srinivasan wrote:
>> This patch adds kernel side support for software breakpoint.
>> Design is that, by using an illegal instruction, we trap to hypervisor
>> via Emulation Assist
On Friday 04 July 2014 12:18 PM, Alexander Graf wrote:
>
> On 04.07.14 06:34, Madhavan Srinivasan wrote:
>> On Thursday 03 July 2014 05:21 PM, Alexander Graf wrote:
>>> On 01.07.14 10:41, Madhavan Srinivasan wrote:
>>>> This patch adds kernel side support for so
truction #def to kvm_book3s.h. This way PR_KVM can also
share it.
Added code to use KVM get one reg infrastructure to get debug opcode.
Updated emulate.c to include emulation of debug instruction incase of PR_KVM.
Made changes to commit message.
Signed-off-by: Madhavan Srinivasan
---
arch/po
On Tuesday 17 June 2014 03:13 PM, Alexander Graf wrote:
>
> On 17.06.14 11:32, Benjamin Herrenschmidt wrote:
>> On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
>>> On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
> Also, wh
On Tuesday 17 June 2014 04:38 PM, Alexander Graf wrote:
>
> On 17.06.14 13:07, Madhavan Srinivasan wrote:
>> On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
>>> On 14.06.14 23:08, Madhavan Srinivasan wrote:
>>>> This patch adds kernel side support for so
On Tuesday 17 June 2014 03:02 PM, Benjamin Herrenschmidt wrote:
> On Tue, 2014-06-17 at 11:25 +0200, Alexander Graf wrote:
>> On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
>>> On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
Also, why don't we use twi always or something else that a
On Tuesday 17 June 2014 02:24 PM, Alexander Graf wrote:
>
> On 14.06.14 23:08, Madhavan Srinivasan wrote:
>> This patch adds kernel side support for software breakpoint.
>> Design is that, by using an illegal instruction, we trap to hypervisor
>> via Emulation Assistance i
nstruction
(primary opcode 31 and extended opcode 360) as sw breakpoint instruction.
Based on PowerISA v2.01, ABS instruction has been dropped from the architecture
and treated an illegal instruction.
Signed-off-by: Madhavan Srinivasan
---
arch/powerpc/kvm/book3s.c| 3 ++-
arch/powerpc/kvm/b
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