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Kernel: Make a portable wrapper for the breakpoint instruction

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This commit is contained in:
apio 2022-11-01 11:10:55 +01:00
parent d2fb4a68ca
commit 06c7bbac0d
2 changed files with 5 additions and 3 deletions
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4
moon/src/arch/x86_64/cpu.rs
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@ -25,3 +25,7 @@ pub fn halt() -> ! {
pub fn wait_for_interrupt() -> () { pub fn wait_for_interrupt() -> () {
unsafe { asm!("hlt"); } unsafe { asm!("hlt"); }
} }
pub fn breakpoint() -> () {
unsafe { asm!("int3"); }
}

4
moon/src/main.rs
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@ -15,8 +15,6 @@ mod log;
use arch::cpu; use arch::cpu;
use arch::interrupts; use arch::interrupts;
use x86_64::instructions::interrupts::int3;
use video::Color; use video::Color;
#[no_mangle] #[no_mangle]
@ -35,7 +33,7 @@ pub extern "C" fn _start() -> ! {
interrupts::enable(); interrupts::enable();
int3(); cpu::breakpoint();
println!("Still here!"); println!("Still here!");