backtrace task finished

2025-06-14 17:09:29 +08:00
parent b63d0c9147
commit 4c08583743
5 changed files with 31 additions and 1 deletions
--- a/kernel/riscv.h
+++ b/kernel/riscv.h
@@ -338,6 +338,14 @@ r_ra()
  return x;
 }

+static inline uint64
+r_fp()
+{
+  uint64 x;
+  asm volatile("mv %0, s0" : "=r" (x) );
+  return x;
+}
+
 // flush the TLB.
 static inline void
 sfence_vma()