From: David Hildenbrand <d...@linux.vnet.ibm.com> This patch creates empty function stubs (used by the gdbserver) in preparation for the hw debugging support by kvm on s390, which will enable the __KVM_HAVE_GUEST_DEBUG define in the linux headers and require these methods on the qemu side.
Signed-off-by: David Hildenbrand <d...@linux.vnet.ibm.com> Signed-off-by: Jens Freimann <jf...@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.h...@de.ibm.com> Cc: qemu-sta...@nongnu.org Signed-off-by: Cornelia Huck <cornelia.h...@de.ibm.com> (cherry picked from commit 8c0124490bcd78c9c54139cd654c71c5fbd95e6b) Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com> --- target-s390x/kvm.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index b00a661..ef4d5cc 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -362,6 +362,26 @@ int kvm_arch_remove_sw_breakpoint(CPUState *cs, struct kvm_sw_breakpoint *bp) return 0; } +int kvm_arch_insert_hw_breakpoint(target_ulong addr, + target_ulong len, int type) +{ + return -ENOSYS; +} + +int kvm_arch_remove_hw_breakpoint(target_ulong addr, + target_ulong len, int type) +{ + return -ENOSYS; +} + +void kvm_arch_remove_all_hw_breakpoints(void) +{ +} + +void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg) +{ +} + void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run) { } @@ -812,6 +832,11 @@ static int handle_tsch(S390CPU *cpu) return ret; } +static int kvm_arch_handle_debug_exit(S390CPU *cpu) +{ + return -ENOSYS; +} + int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) { S390CPU *cpu = S390_CPU(cs); @@ -827,6 +852,9 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) case KVM_EXIT_S390_TSCH: ret = handle_tsch(cpu); break; + case KVM_EXIT_DEBUG: + ret = kvm_arch_handle_debug_exit(cpu); + break; default: fprintf(stderr, "Unknown KVM exit: %d\n", run->exit_reason); break; -- 1.9.1