From 24151b92118cd3a43ed15d6ee1f6eb3d18426ef4 Mon Sep 17 00:00:00 2001
From: Yifan Wu <shinbokuow@163.com>
Date: Sat, 30 Jan 2021 14:16:48 +0800
Subject: [PATCH] Fix CLOCK_FREQ.

---
 os/src/config.rs | 2 +-
 os/src/timer.rs  | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/os/src/config.rs b/os/src/config.rs
index 8d543ff9..8350d205 100644
--- a/os/src/config.rs
+++ b/os/src/config.rs
@@ -12,4 +12,4 @@ pub const TRAP_CONTEXT: usize = TRAMPOLINE - PAGE_SIZE;
 pub const CLOCK_FREQ: usize = 403000000 / 62;
 
 #[cfg(feature = "board_qemu")]
-pub const CPU_FREQ: usize = 12500000;
\ No newline at end of file
+pub const CLOCK_FREQ: usize = 12500000;
\ No newline at end of file
diff --git a/os/src/timer.rs b/os/src/timer.rs
index 612d51af..92d50e3a 100644
--- a/os/src/timer.rs
+++ b/os/src/timer.rs
@@ -1,6 +1,6 @@
 use riscv::register::time;
 use crate::sbi::set_timer;
-use crate::config::CPU_FREQ;
+use crate::config::CLOCK_FREQ;
 
 const TICKS_PER_SEC: usize = 100;
 const MSEC_PER_SEC: usize = 1000;
@@ -10,9 +10,9 @@ pub fn get_time() -> usize {
 }
 
 pub fn get_time_ms() -> usize {
-    time::read() / (CPU_FREQ / MSEC_PER_SEC)
+    time::read() / (CLOCK_FREQ / MSEC_PER_SEC)
 }
 
 pub fn set_next_trigger() {
-    set_timer(get_time() + CPU_FREQ / TICKS_PER_SEC);
+    set_timer(get_time() + CLOCK_FREQ / TICKS_PER_SEC);
 }
\ No newline at end of file