| Message ID | 1481046379-32632-2-git-send-email-peter.maydell@linaro.org |
|---|---|
| State | New |
| Headers | show |
On Tue, Dec 06, 2016 at 05:46:17PM +0000, Peter Maydell wrote: > We already log exception entry; add logging of the AArch64 exception > return path as well. > > Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> > --- > target-arm/op_helper.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c > index cd94216..ba796d8 100644 > --- a/target-arm/op_helper.c > +++ b/target-arm/op_helper.c > @@ -17,6 +17,7 @@ > * License along with this library; if not, see <http://www.gnu.org/licenses/>. > */ > #include "qemu/osdep.h" > +#include "qemu/log.h" > #include "cpu.h" > #include "exec/helper-proto.h" > #include "internals.h" > @@ -972,6 +973,9 @@ void HELPER(exception_return)(CPUARMState *env) > } else { > env->regs[15] = env->elr_el[cur_el] & ~0x3; > } > + qemu_log_mask(CPU_LOG_INT, "Exception return from AArch64 EL%d to " > + "AArch32 EL%d PC 0x%" PRIx32 "\n", > + cur_el, new_el, env->regs[15]); > } else { > env->aarch64 = 1; > pstate_write(env, spsr); > @@ -980,6 +984,9 @@ void HELPER(exception_return)(CPUARMState *env) > } > aarch64_restore_sp(env, new_el); > env->pc = env->elr_el[cur_el]; > + qemu_log_mask(CPU_LOG_INT, "Exception return from AArch64 EL%d to " > + "AArch64 EL%d PC 0x%" PRIx64 "\n", > + cur_el, new_el, env->pc); > } > > arm_call_el_change_hook(arm_env_get_cpu(env)); > @@ -1002,6 +1009,8 @@ illegal_return: > if (!arm_singlestep_active(env)) { > env->pstate &= ~PSTATE_SS; > } > + qemu_log_mask(LOG_GUEST_ERROR, "Illegal exception return at EL%d: " > + "resuming execution at 0x%" PRIx64 "\n", cur_el, env->pc); > } > > /* Return true if the linked breakpoint entry lbn passes its checks */ > -- > 2.7.4 >
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c index cd94216..ba796d8 100644 --- a/target-arm/op_helper.c +++ b/target-arm/op_helper.c @@ -17,6 +17,7 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ #include "qemu/osdep.h" +#include "qemu/log.h" #include "cpu.h" #include "exec/helper-proto.h" #include "internals.h" @@ -972,6 +973,9 @@ void HELPER(exception_return)(CPUARMState *env) } else { env->regs[15] = env->elr_el[cur_el] & ~0x3; } + qemu_log_mask(CPU_LOG_INT, "Exception return from AArch64 EL%d to " + "AArch32 EL%d PC 0x%" PRIx32 "\n", + cur_el, new_el, env->regs[15]); } else { env->aarch64 = 1; pstate_write(env, spsr); @@ -980,6 +984,9 @@ void HELPER(exception_return)(CPUARMState *env) } aarch64_restore_sp(env, new_el); env->pc = env->elr_el[cur_el]; + qemu_log_mask(CPU_LOG_INT, "Exception return from AArch64 EL%d to " + "AArch64 EL%d PC 0x%" PRIx64 "\n", + cur_el, new_el, env->pc); } arm_call_el_change_hook(arm_env_get_cpu(env)); @@ -1002,6 +1009,8 @@ illegal_return: if (!arm_singlestep_active(env)) { env->pstate &= ~PSTATE_SS; } + qemu_log_mask(LOG_GUEST_ERROR, "Illegal exception return at EL%d: " + "resuming execution at 0x%" PRIx64 "\n", cur_el, env->pc); } /* Return true if the linked breakpoint entry lbn passes its checks */
We already log exception entry; add logging of the AArch64 exception return path as well. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target-arm/op_helper.c | 9 +++++++++ 1 file changed, 9 insertions(+)