diff options
| -rw-r--r-- | src/target/aarch64.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/target/aarch64.c b/src/target/aarch64.c index 3510db2..41bea2e 100644 --- a/src/target/aarch64.c +++ b/src/target/aarch64.c @@ -698,6 +698,8 @@ static int aarch64_post_debug_entry(struct target *target) switch (armv8->arm.core_mode) { case ARMV8_64_EL0T: + dpmv8_modeswitch(&armv8->dpm, ARMV8_64_EL1T); + /* fall through */ case ARMV8_64_EL1T: case ARMV8_64_EL1H: retval = armv8->arm.mrs(target, 3, /*op 0*/ @@ -725,13 +727,20 @@ static int aarch64_post_debug_entry(struct target *target) if (retval != ERROR_OK) return retval; break; - default: + + case ARM_MODE_SVC: retval = armv8->arm.mrc(target, 15, 0, 0, 1, 0, &aarch64->system_control_reg); if (retval != ERROR_OK) return retval; break; + + default: + LOG_INFO("cannot read system control register in this mode"); + break; } + dpmv8_modeswitch(&armv8->dpm, ARM_MODE_ANY); + LOG_DEBUG("System_register: %8.8" PRIx32, aarch64->system_control_reg); aarch64->system_control_reg_curr = aarch64->system_control_reg; |