From ad3fac45d5447fcc786086925782b046deb651cd Mon Sep 17 00:00:00 2001 From: Yu Chen Date: Sun, 15 May 2022 17:37:23 +0800 Subject: [PATCH] add comments for qemu-exit --- os/src/boards/qemu.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/os/src/boards/qemu.rs b/os/src/boards/qemu.rs index a2212e3..32b9588 100644 --- a/os/src/boards/qemu.rs +++ b/os/src/boards/qemu.rs @@ -45,7 +45,7 @@ pub fn irq_handler() { plic.complete(0, IntrTargetPriority::Supervisor, intr_src_id); } - +//ref:: https://github.com/andre-richter/qemu-exit use core::arch::asm; const EXIT_SUCCESS: u32 = 0x5555; // Equals `exit(0)`. qemu successful exit