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Show meaning of CODE on page fault

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This commit is contained in:
Jeremy Soller
2021-05-10 11:34:14 -06:00
parent 8130e4752b
commit 0a79c17307
1 changed files with 5 additions and 0 deletions
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5
src/arch/x86_64/interrupt/exception.rs
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@@ -134,6 +134,11 @@ interrupt_error!(page, |stack| {
let cr2: usize;
asm!("mov {}, cr2", out(reg) cr2);
println!("Page fault: {:>016X}", cr2);
println!(" Present: {}", stack.code & 1 << 0 != 0);
println!(" Write: {}", stack.code & 1 << 1 != 0);
println!(" User: {}", stack.code & 1 << 2 != 0);
println!(" Reserved write: {}", stack.code & 1 << 3 != 0);
println!(" Instruction fetch: {}", stack.code & 1 << 4 != 0);
stack.dump();
stack_trace();
ksignal(SIGSEGV);