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請寫『姓名：在哪上課』！
例如：
1. 陳鍾誠 在 e320
2. 史奴比 在 家
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File size is limited to 71680 bytes.
This comes from `MAXFILE` (= (`NDIRECT`(12) + `NINDIRECT`(512/4)) * `BSIZE`(512))
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I write a os like xv6.
but I need to clean bss segment otherwise global variable that equals 0 gets a random value in user program.
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Hey I know it's been six long years and if you were a student then so you probably would be settled by now so I hope I'm not disturbing you.......but you see I read your story in "seen" and too many r…
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https://jinzhec2.github.io/blog/post/6.s081_2022_lab3/?
Speed up system calls Print a page table Detect which pages have been accessed Speed up system calls According to the hints, we need to map …
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It is worth changing:
- s12 to s11 (s12 simply does not exist in the "trapframe" structure)
- add the "defs.h" file to the edited files
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Been doing some research and even simple validation and loading of ELF files CANNOT fit into 448-bit MBR code. Here are some possible solutions.
1. preload such functions, x86 will have trouble but ar…
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``` shell
$ make
编译汇编文件 boot/boot.s ...
nasm -f elf -g -F stabs boot/boot.s
make: *** [boot/boot.o] Segmentation fault: 11
make: *** Deleting file `boot/boot.o'
```
我在编译 `vx6` 的时候也有类似问题 elf什么的，请问这个在m…
but0n updated
6 months ago
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# Do it by hand
A simple program which will trigger segmentation fault.
```c
int main() {
return *(int*)(0)
}
```
```bash
gdb ./a.out
start
info proc
c
```
```bash
sudo stack…