spec. instruction access fault and instruction page fault exception have the same priority (see cutout below). From my understanding mepc, mtval, mcause, ... get either updated according to an instruction access fault, or get updated according to an instruction page fault (mutually exclusive)....
错误检查 0x50:PAGE_FAULT_IN_NONPAGED_AREA 错误检查 0x51:REGISTRY_ERROR 错误检查 0x52:MAILSLOT_FILE_SYSTEM 错误检查 0x53:NO_BOOT_DEVICE 错误检查 0x54:LM_SERVER_INTERNAL_ERROR 错误检查 0x55:DATA_COHERENCY_EXCEPTION 错误检查 0x56:INSTRUCTION_COHERENCY_EXCEPTION 错误检查 0x57:XNS_INTERNAL_ERRO...
錯誤檢查0x50:PAGE_FAULT_IN_NONPAGED_AREA 錯誤檢查0x51:REGISTRY_ERROR 錯誤檢查0x52:MAILSLOT_FILE_SYSTEM 錯誤檢查0x53:NO_BOOT_DEVICE 錯誤檢查0x54:LM_SERVER_INTERNAL_ERROR 錯誤檢查0x55:DATA_COHERENCY_EXCEPTION 錯誤檢查0x56:INSTRUCTION_COHERENCY_EXCEPTION ...
错误检查 0x50:PAGE_FAULT_IN_NONPAGED_AREA 错误检查 0x51:REGISTRY_ERROR 错误检查 0x52:MAILSLOT_FILE_SYSTEM 错误检查 0x53:NO_BOOT_DEVICE 错误检查 0x54:LM_SERVER_INTERNAL_ERROR 错误检查 0x55:DATA_COHERENCY_EXCEPTION 错误检查 0x56:INSTRUCTION_COHERENCY_EXCEPTION 错误检查 0x57:XNS_INTERNAL_ERROR 错...
错误检查 0x50:PAGE_FAULT_IN_NONPAGED_AREA 错误检查 0x51:REGISTRY_ERROR 错误检查 0x52:MAILSLOT_FILE_SYSTEM 错误检查 0x53:NO_BOOT_DEVICE 错误检查 0x54:LM_SERVER_INTERNAL_ERROR 错误检查 0x55:DATA_COHERENCY_EXCEPTION 错误检查 0x56:INSTRUCTION_COHERENCY_EXCEPTION 错误检查 0x57:XNS_INT...
由user mode切换到kernel mode的唯一方式是通过interrupt、trap、fault和abort等exceptions。当exceptions发生时,控制转移到exception hander,同时process由user mode切换到kernel mode;当从exception handler返回时,process再由kernel mode切换user mode。在user mode下,可以通过system call的方式间接访问kernel code and data...
Bug Check 0x50: PAGE_FAULT_IN_NONPAGED_AREA Bug Check 0x51: REGISTRY_ERROR Bug Check 0x52: MAILSLOT_FILE_SYSTEM Bug Check 0x53: NO_BOOT_DEVICE Bug Check 0x54: LM_SERVER_INTERNAL_ERROR Bug Check 0x55: DATA_COHERENCY_EXCEPTION Bug Check 0x56: INSTRUCTION_COHERENCY_EXCEPTION Bug Check 0x57...
Bus error --Instruction fetch Watch - Instruction Fetch Integer overflow, Trap, System Call, Breakpoint, Reserved Instruction, Coprocessor Unus-able, or Floating-Point Exception Address error--Data access TLB refill --Data access TLB invalid --Data access ...
*处理illegalbehavior,例如,TLBFault,or,wesay,thePagefault;CacheError; *Provideanapproachforaccessingpriviledgedresources,forexample,CP0registers.Asweknow,foruserleveltasks/processes,theyarerunning withtheUserModepriviledgeandareprohibilitedtodirectlycontrolCPO.CPUneedprovideamechanismforthemtotraptokernelmodeand...
Bug Check 0x50: PAGE_FAULT_IN_NONPAGED_AREA Bug Check 0x51: REGISTRY_ERROR Bug Check 0x52: MAILSLOT_FILE_SYSTEM Bug Check 0x53: NO_BOOT_DEVICE Bug Check 0x54: LM_SERVER_INTERNAL_ERROR Bug Check 0x55: DATA_COHERENCY_EXCEPTION Bug Check 0x56: INSTRUCTION_COHERENCY_EXCEPTION Bug Check 0x57...