Merge pull request #164 from sifive/synchronize-harts-hartid-1908

[19.08 Backport] Don't call metal API in synchronize_harts()
sifive · Aug 21, 2019 · 8a3c9c0 · 8a3c9c0
2 parents 3be845f + 54e13dd
commit 8a3c9c0
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/synchronize_harts.c b/src/synchronize_harts.c
@@ -19,7 +19,9 @@ __attribute__((section(".init")))
 void __metal_synchronize_harts() {
 #if __METAL_DT_MAX_HARTS > 1
 
-    int hart = metal_cpu_get_current_hartid();
+    int hart;
+    __asm__ volatile("csrr %0, mhartid" : "=r" (hart) ::);
+
     uintptr_t msip_base = 0;
 
     /* Get the base address of the MSIP registers */