[arch][arm64] Implement arch_curr_cpu_num

Only 4 cpus are supported for now Change-Id: I346b5a51cb6e29c121e7755935cd788c7ca063e3
2015-01-30 16:36:05 -08:00
parent 97e3611e1d
commit d3eb95aaf1
1 changed files with 1 additions and 1 deletions
--- a/arch/arm64/include/arch/arch_ops.h
+++ b/arch/arm64/include/arch/arch_ops.h
@@ -246,7 +246,7 @@ static inline void set_current_thread(struct thread *t)

 static inline uint arch_curr_cpu_num(void)
 {
-    return 0;
+    return ARM64_READ_SYSREG(mpidr_el1) & 0x3;
 }

 #endif // ASSEMBLY