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From: Bharat Bhushan <Bharat.Bhushan@freescale.com>
To: agraf@suse.de
Cc: Bharat Bhushan <Bharat.Bhushan@freescale.com>,
	maddy@linux.vnet.ibm.com, qemu-ppc@nongnu.org,
	qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 1/5 v4] ppc: debug stub: Get trap instruction opcode from KVM
Date: Thu, 26 Jun 2014 10:41:29 +0530	[thread overview]
Message-ID: <1403759489-14990-6-git-send-email-Bharat.Bhushan@freescale.com> (raw)
In-Reply-To: <1403759489-14990-1-git-send-email-Bharat.Bhushan@freescale.com>

Get trap instruction opcode from KVM and this opcode will
be used for setting software breakpoint in following patch

Signed-off-by: Bharat Bhushan <Bharat.Bhushan@freescale.com>
---
v3->v4:
 - No Change

 target-ppc/kvm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index dfa5a26..1f78cd1 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -71,6 +71,8 @@ static int cap_papr;
 static int cap_htab_fd;
 static int cap_fixup_hcalls;
 
+static uint32_t debug_inst_opcode;
+
 /* XXX We have a race condition where we actually have a level triggered
  *     interrupt, but the infrastructure can't expose that yet, so the guest
  *     takes but ignores it, goes to sleep and never gets notified that there's
@@ -434,6 +436,8 @@ int kvm_arch_init_vcpu(CPUState *cs)
         break;
     }
 
+    kvm_get_one_reg(cs, KVM_REG_PPC_DEBUG_INST, &debug_inst_opcode);
+
     return ret;
 }
 
-- 
1.9.0

      parent reply	other threads:[~2014-06-26  5:13 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-26  5:11 [Qemu-devel] [PATCH 0/5 v4] ppc: Add debug stub support Bharat Bhushan
2014-06-26  5:11 ` [Qemu-devel] [PATCH 5/5 v4] ppc: Add hw breakpoint watchpoint support Bharat Bhushan
2014-06-26  5:11 ` [Qemu-devel] [PATCH 4/5 v4] ppc: Add software breakpoint support Bharat Bhushan
2014-06-26  5:11 ` [Qemu-devel] [PATCH 3/5 v4] ppc: Add debug interrupt injection handler Bharat Bhushan
2014-06-26  5:11 ` [Qemu-devel] [PATCH 2/5 v4] ppc: Add interface to inject interrupt to guest Bharat Bhushan
2014-06-26  5:11 ` Bharat Bhushan [this message]

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