From 4060b671d8182d568de11a98557ebabcbe4631fe Mon Sep 17 00:00:00 2001
From: Robert Morris <rtm@csail.mit.edu>
Date: Wed, 4 Sep 2024 15:21:52 -0400
Subject: [PATCH] change stimecmp to 0x14d
---
kernel/riscv.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/riscv.h b/kernel/riscv.h
index 8732ed9..d80e78e 100644
--- a/kernel/riscv.h
+++ b/kernel/riscv.h
@@ -179,14 +179,16 @@ static inline uint64
r_stimecmp()
{
uint64 x;
- asm volatile("csrr %0, stimecmp" : "=r" (x) );
+ // asm volatile("csrr %0, stimecmp" : "=r" (x) );
+ asm volatile("csrr %0, 0x14d" : "=r" (x) );
return x;
}
static inline void
w_stimecmp(uint64 x)
{
- asm volatile("csrw stimecmp, %0" : : "r" (x));
+ // asm volatile("csrw stimecmp, %0" : : "r" (x));
+ asm volatile("csrw 0x14d, %0" : : "r" (x));
}
// Machine Environment Configuration Register