On Tue, May 28, 2024 at 6:12 PM Chao Du <duc...@eswincomputing.com> wrote: > > If the breakpoint belongs to the userspace then set the ret value. > > Signed-off-by: Chao Du <duc...@eswincomputing.com> > Reviewed-by: Daniel Henrique Barboza <dbarb...@ventanamicro.com> > Reviewed-by: Andrew Jones <ajo...@ventanamicro.com>
Acked-by: Alistair Francis <alistair.fran...@wdc.com> Alistair > --- > target/riscv/kvm/kvm-cpu.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c > index c50f058aff..bbde86c3a4 100644 > --- a/target/riscv/kvm/kvm-cpu.c > +++ b/target/riscv/kvm/kvm-cpu.c > @@ -1555,6 +1555,21 @@ static int kvm_riscv_handle_csr(CPUState *cs, struct > kvm_run *run) > return ret; > } > > +static bool kvm_riscv_handle_debug(CPUState *cs) > +{ > + RISCVCPU *cpu = RISCV_CPU(cs); > + CPURISCVState *env = &cpu->env; > + > + /* Ensure PC is synchronised */ > + kvm_cpu_synchronize_state(cs); > + > + if (kvm_find_sw_breakpoint(cs, env->pc)) { > + return true; > + } > + > + return false; > +} > + > int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) > { > int ret = 0; > @@ -1565,6 +1580,11 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run > *run) > case KVM_EXIT_RISCV_CSR: > ret = kvm_riscv_handle_csr(cs, run); > break; > + case KVM_EXIT_DEBUG: > + if (kvm_riscv_handle_debug(cs)) { > + ret = EXCP_DEBUG; > + } > + break; > default: > qemu_log_mask(LOG_UNIMP, "%s: un-handled exit reason %d\n", > __func__, run->exit_reason); > -- > 2.17.1 >