根据上述错误,我们回到usertrap函数,查看原函数并没有处理store page fault的代码,因此看下述代码中我们加入一个检查scause=15的处理代码。 具体的逻辑如下:首先我们需要从stval寄存器中读取触发缺页的虚拟地址,然后申请一个物理页,清空物理页并建立内存映射。
exit(-1);//sepc points to the ecall instruction,//but we want to return to the next instruction.p->tf->epc +=4;//an interrupt will change sstatus &c registers,//so don't enable until done with those registers.intr_on(); // 系统调用下可以允许设备中断syscall(); 此外,群友Redemptio...
hardware interrupt) andsynchronous interrupts(akaexception). The former mayarrive anytime, typically IO interrupts, the latter mayonly arrive after the execution of an instruction, for example when the cpu try to divide a number by 0 or a page fault. So that’s the difference between interrupts...
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 錯誤檢查0x57:XNS_INTERNAL_ERROR 錯誤檢查...
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...
第二章的bootloader跟第一章的bootloader不一樣,用第一章的bootloader的話,page fault不會被捕獲,OS直接死掉 多谢指出,后面会将所有分支的 RustSBI 版本调整到一致。 #![no_std] #![no_main] #![feature(llvm_asm)] #[macro_use] extern crate user_lib; #[no_mangle] fn main() -> i32 { println...
INVALID_DATA_ACCESS_TRAP錯誤檢查的 值為 0x00000004。 它表示不正確的資料存取陷阱。 這個錯誤檢查不常出現。 重要 本文適用于程式設計人員。 如果您是在使用電腦時收到藍色螢幕錯誤碼的客戶,請參閱針對藍色畫面錯誤進行疑難排解。 解決方案 !analyze 偵錯延伸模組會顯示錯誤檢查的相關資訊,有助於判斷根本原因...
Sign up with one click: Facebook Twitter Google Share on Facebook trap address [′trap ′ad‚res] (computer science) The location at which control is transferred in case of an interrupt as soon as the current instruction is completed. ...
0x00000005Bounds Check FaultIndicates that the processor, while executing a BOUND instruction, finds that the operand exceeds the specified limits. A BOUND instruction ensures that a signed array index is within a certain range. 0x00000006Invalid OpcodeIndicates that the processor tries to execute an...