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Refactor stack growth #57

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sb3923 merged 17 commits from vm/stack-growth/saleh into vm/virtual-memory/saleh 2024-12-05 00:53:35 +00:00
Conversation 1 Commits 17 Files Changed 11 +253 -707
26 changed files with 253 additions and 707 deletions
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8
src/userprog/exception.c
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@@ -145,6 +145,14 @@ page_fault (struct intr_frame *f)
write = (f->error_code & PF_W) != 0; write = (f->error_code & PF_W) != 0;
user = (f->error_code & PF_U) != 0; user = (f->error_code & PF_U) != 0;
/* Kernel page fault is further handled by the kernel itself. */
if (!user)
{
f->eip = (void *)f->eax;
f->eax = 0xffffffff;
return;
}
/* To implement virtual memory, delete the rest of the function /* To implement virtual memory, delete the rest of the function
body, and replace it with code that brings in the page to body, and replace it with code that brings in the page to
which fault_addr refers. */ which fault_addr refers. */