From 33099d098f22040bc2c67e966a2b1e893a7345f9 Mon Sep 17 00:00:00 2001
From: Sergey Stepanov <sergystepanov@gmail.com>
Date: Sat, 8 Apr 2023 20:29:24 +0300
Subject: [PATCH] Use new page-segmentation friendly unsafe.Slice for mem
 restore

---
 pkg/worker/emulator/libretro/nanoarch.go | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/pkg/worker/emulator/libretro/nanoarch.go b/pkg/worker/emulator/libretro/nanoarch.go
index d0f35203..337d1f3f 100644
--- a/pkg/worker/emulator/libretro/nanoarch.go
+++ b/pkg/worker/emulator/libretro/nanoarch.go
@@ -745,12 +745,10 @@ func getSaveRAM() state {
 
 // restoreSaveRAM restores game save RAM.
 func restoreSaveRAM(st state) {
-	if len(st) == 0 {
-		return
-	}
-	if memory := ptSaveRAM(); memory != nil {
-		sram := (*[1 << 30]byte)(memory.ptr)[:memory.size:memory.size]
-		copy(sram, st)
+	if len(st) > 0 {
+		if memory := ptSaveRAM(); memory != nil {
+			copy(unsafe.Slice((*byte)(memory.ptr), memory.size), st)
+		}
 	}
 }