anchao commented on code in PR #6286:
URL: https://github.com/apache/incubator-nuttx/pull/6286#discussion_r881931421
##########
arch/mips/include/irq.h:
##########
@@ -54,26 +59,67 @@
****************************************************************************/
#ifndef __ASSEMBLY__
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
/****************************************************************************
- * Inline functions
+ * Public Data
****************************************************************************/
+/* g_current_regs holds a references to the current interrupt level
+ * register storage structure. It is non-NULL only during interrupt
+ * processing. Access to g_current_regs must be through the macro
+ * CURRENT_REGS for portability.
+ */
+
+/* For the case of architectures with multiple CPUs, then there must be one
+ * such value for each processor that can receive an interrupt.
+ */
+
+EXTERN volatile uint32_t *g_current_regs[CONFIG_SMP_NCPUS];
+#define CURRENT_REGS (g_current_regs[up_cpu_index()])
Review Comment:
CURRENT_REGS is used in the mips
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