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Re: [Qemu-ppc] [PATCH 4/5 v3][RESEND] ppc: Add software breakpoint suppo

From: Alexander Graf
Subject: Re: [Qemu-ppc] [PATCH 4/5 v3][RESEND] ppc: Add software breakpoint support
Date: Tue, 24 Jun 2014 15:04:45 +0200
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

On 24.06.14 14:10, Bharat Bhushan wrote:
This patch allow insert/remove software breakpoint

Signed-off-by: Bharat Bhushan <address@hidden>
  target-ppc/kvm.c | 71 +++++++++++++++++++++++++++++++++++++++++++++-----------
  1 file changed, 57 insertions(+), 14 deletions(-)

diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 5238de7..8e2dbb3 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -1317,6 +1317,53 @@ static int kvmppc_handle_dcr_write(CPUPPCState *env, 
uint32_t dcrn, uint32_t dat
      return 0;
+int kvm_arch_insert_sw_breakpoint(CPUState *cs, struct kvm_sw_breakpoint *bp)
+    /* Mixed endian case is not handled */
+    uint32_t sc = debug_inst_opcode;

What if debug_inst_opcode has never been set (thus is 0)? In that case we should fail the insert, no?


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