RISC中关中断应该用原子操作，避免多任务环境造成错误

2026-05-22 21:24:45 +08:00
parent ab11821c0c
commit f957224afd
4 changed files with 14 additions and 4 deletions
@@ -124,9 +124,7 @@ void os_port_restore_irq(os_uint_t level){
 }

 os_uint_t os_port_save_disable_irq_in_isr(void){
-    os_uint_t level = RISCV_get_MSTATUS();
-    RISCV_set_MSTATUS(0x1800);
-    return level;
+    return RISCV_get_set_MSTATUS(0x1800);
 }

 void os_port_restore_irq_in_isr(os_uint_t level){