From 169aea5ae16ba63a3492b39d8ee5543aa7bd3ed2 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Sun, 6 Aug 2017 05:54:46 +0200
Subject: [PATCH] (GX) Another buildfix

---
 gfx/drivers/gx_gfx.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/gfx/drivers/gx_gfx.c b/gfx/drivers/gx_gfx.c
index 7b43d19a6b..f50a41db9b 100644
--- a/gfx/drivers/gx_gfx.c
+++ b/gfx/drivers/gx_gfx.c
@@ -57,6 +57,22 @@
   }
 #endif
 
+#ifndef _CPU_ISR_Restore
+#define _CPU_ISR_Restore( _isr_cookie )  \
+  { register u32 _enable_mask = 0; \
+	__asm__ __volatile__ ( \
+    "    cmpwi %0,0\n" \
+	"    beq 1f\n" \
+	"    mfmsr %1\n" \
+	"    ori %1,%1,0x8000\n" \
+	"    mtmsr %1\n" \
+	"1:" \
+	: "=r"((_isr_cookie)),"=&r" ((_enable_mask)) \
+	: "0"((_isr_cookie)),"1" ((_enable_mask)) \
+	); \
+  }
+#endif
+
 extern syssram* __SYS_LockSram(void);
 extern u32 __SYS_UnlockSram(u32 write);