--- zzzz-none-000/linux-3.10.107/arch/mips/include/asm/vpe.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/arch/mips/include/asm/vpe.h	2021-11-10 11:53:54.000000000 +0000
@@ -26,12 +26,40 @@
 	struct list_head list;
 };
 
-
+extern unsigned long physical_memsize;
 extern int vpe_notify(int index, struct vpe_notifications *notify);
+extern void save_gp_address(unsigned int secbase, unsigned int rel);
+
+/*
+ * libc style I/O support hooks
+ */
 
 extern void *vpe_get_shared(int index);
 extern int vpe_getuid(int index);
 extern int vpe_getgid(int index);
 extern char *vpe_getcwd(int index);
 
+/*
+ * Kernel/Kernel message passing support hooks
+ */
+
+extern void *vpe_get_shared_area(int index, int type);
+
+/* "Well-Known" Area Types */
+
+#define VPE_SHARED_NULL 0
+#define VPE_SHARED_RESERVED -1
+
+struct vpe_shared_area {
+	int type;
+	void *addr;
+};
+
+/*
+ * IRQ assignment and initialization hook for RP services.
+ */
+
+int arch_get_xcpu_irq(void);
+
+int vpe_send_interrupt(int v, int i);
 #endif /* _ASM_VPE_H */