diff options
| -rw-r--r-- | src/kernel/exception.C | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/kernel/exception.C b/src/kernel/exception.C index 781e7941d..0ece19a63 100644 --- a/src/kernel/exception.C +++ b/src/kernel/exception.C @@ -308,13 +308,15 @@ void kernel_execute_softpatch() const uint64_t EXCEPTION_MSR_PR_BIT_MASK = 0x0000000000004000; const uint64_t EXCEPTION_SRR1_LOADSTORE_ERR = 0x0000000000200000; const uint64_t EXCEPTION_DSISR_LD_UE_INTERRUPT = 0x0000000000008000; -const uint64_t EXCEPTION_DSISR_SLB_ERRORS = 0x00000000000000C0; +const uint64_t EXCEPTION_DSISR_SLB_ERRORS = 0x0000000000000080; extern "C" void kernel_execute_machine_check() { task_t* t = TaskManager::getCurrentTask(); + printk("Machine Check Occurred!\n"); + //PR (bit 49) = 0 indicates hypervisor mode // Which indicates kernel mode in Hostboot env. if(!(getSRR1() & EXCEPTION_MSR_PR_BIT_MASK)) @@ -334,14 +336,17 @@ void kernel_execute_machine_check() // Error in load/store. if (getSRR1() & EXCEPTION_SRR1_LOADSTORE_ERR) { + printk("found a loadstore err!\n"); // SUE on load instruction. if (getDSISR() & EXCEPTION_DSISR_LD_UE_INTERRUPT) { + printk("handling Load UE exception..\n"); handled = Kernel::MachineCheck::handleLoadUE(t); } // SLB parity or multi-hit. else if (getDSISR() & EXCEPTION_DSISR_SLB_ERRORS) { + printk("handling SLB exception..\n"); handled = Kernel::MachineCheck::handleSLB(t); } } @@ -368,6 +373,7 @@ void kernel_execute_machine_check() case SRR1_ERR_IFU_SLB_P: case SRR1_ERR_IFU_SLB_MH: case SRR1_ERR_IFU_SLB_MHP: + printk("handling Load SLB ... \n"); handled = Kernel::MachineCheck::handleSLB(t); break; } |
