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 Assistance interrupt, where we check
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 interrupt code to support software breakpoint
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 ma...@linux.vnet.ibm.com
---
Patch is only compile tested. Will really help
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| 3
breakpoint in PR KVM.
Signed-off-by: Madhavan Srinivasan ma...@linux.vnet.ibm.com
---
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
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 Assistance interrupt, where we check
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 interrupt code to support software breakpoint
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 ma...@linux.vnet.ibm.com
---
Patch is only compile tested. Will really help
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| 3
breakpoint in PR KVM.
Signed-off-by: Madhavan Srinivasan ma...@linux.vnet.ibm.com
---
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
breakpoint in PR KVM.
Signed-off-by: Madhavan Srinivasan ma...@linux.vnet.ibm.com
---
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
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 ma...@linux.vnet.ibm.com
---
Patch is only compile tested. Will really help
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 to handle sw breakpoint
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 to handle sw breakpoint
breakpoint in PR KVM.
Signed-off-by: Madhavan Srinivasan ma...@linux.vnet.ibm.com
---
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
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 ma...@linux.vnet.ibm.com
---
Patch is only compile tested. Will really help
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 Assistance interrupt, where we check
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 Assistance interrupt, where we check
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 ma...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/kvm_book3s.h | 7
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 ma...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/kvm_book3s.h | 7
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, Alexander Graf wrote:
diff --git a/arch
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 PM, Alexander Graf wrote:
On 11.08.14 10:51
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 PM, Alexander Graf wrote:
On 11.08.14 10:51
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
---
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 0 instead?
ok
-v2:
Moved the debug instruction #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
-v2:
Moved the debug instruction #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
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 software breakpoint.
Design is that, by using
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 Assistance interrupt, where we check
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 software breakpoint.
Design is that, by using
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 Assistance interrupt, where we check
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 ma...@linux.vnet.ibm.com
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 ma...@linux.vnet.ibm.com
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 interrupt, where we check
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 actually
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 software breakpoint.
Design is that, by using
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, why don't we use
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 interrupt, where we check
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 actually
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, why don't we use
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 software breakpoint.
Design is that, by using
(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 ma...@linux.vnet.ibm.com
---
arch/powerpc/kvm/book3s.c| 3 ++-
arch
(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 ma...@linux.vnet.ibm.com
---
arch/powerpc/kvm/book3s.c| 3 ++-
arch
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