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From 0168573b58d5e70a60c9fef319ba510aa9648f2d Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Mon, 22 Jul 2019 18:22:09 +0100
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Subject: [PATCH 28/39] target/i386: kvm: Use symbolic constant for #DB/#BP
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exception constants
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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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Message-id: <20190722182220.19374-8-pbonzini@redhat.com>
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Patchwork-id: 89625
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O-Subject: [RHEL-8.1.0 PATCH qemu-kvm v3 07/18] target/i386: kvm: Use symbolic constant for #DB/#BP exception constants
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Bugzilla: 1689269
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RH-Acked-by: Peter Xu <zhexu@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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From: Liran Alon <liran.alon@oracle.com>
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Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
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Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
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Signed-off-by: Liran Alon <liran.alon@oracle.com>
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Message-Id: <20190619162140.133674-4-liran.alon@oracle.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 37936ac70f6c20aec6f537349eb797fb98f9a99d)
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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target/i386/kvm.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/target/i386/kvm.c b/target/i386/kvm.c
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index 305809f..4138fe9 100644
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--- a/target/i386/kvm.c
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+++ b/target/i386/kvm.c
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@@ -2811,9 +2811,9 @@ static int kvm_guest_debug_workarounds(X86CPU *cpu)
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unsigned long reinject_trap = 0;
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if (!kvm_has_vcpu_events()) {
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- if (env->exception_injected == 1) {
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+ if (env->exception_injected == EXCP01_DB) {
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reinject_trap = KVM_GUESTDBG_INJECT_DB;
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- } else if (env->exception_injected == 3) {
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+ } else if (env->exception_injected == EXCP03_INT3) {
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reinject_trap = KVM_GUESTDBG_INJECT_BP;
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}
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env->exception_injected = -1;
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@@ -3325,8 +3325,8 @@ static int kvm_handle_debug(X86CPU *cpu,
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int ret = 0;
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int n;
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- if (arch_info->exception == 1) {
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- if (arch_info->dr6 & (1 << 14)) {
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+ if (arch_info->exception == EXCP01_DB) {
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+ if (arch_info->dr6 & DR6_BS) {
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if (cs->singlestep_enabled) {
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ret = EXCP_DEBUG;
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}
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--
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1.8.3.1
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