[patch] NX fix

PCSX_NX_fix.patch (text/plain), 991 bytes, created by David Klempner on 2009-01-16 08:34:19 UTC

--- ix86/iR3000A.c.old	2009-01-16 00:21:24.000000000 -0800
+++ ix86/iR3000A.c	2009-01-16 00:25:54.000000000 -0800
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#include <sys/mman.h>
 
 #include "PsxCommon.h"
 #include "ix86.h"
@@ -380,10 +381,10 @@
 
 	psxRecLUT = (u32*) malloc(0x010000 * 4);
 
-	recMem = (char*) malloc(RECMEM_SIZE);
+	recMem = (char*) mmap(NULL, RECMEM_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
 	recRAM = (char*) malloc(0x200000);
 	recROM = (char*) malloc(0x080000);
-	if (recRAM == NULL || recROM == NULL || recMem == NULL || psxRecLUT == NULL) {
+	if (recRAM == NULL || recROM == NULL || recMem == NULL || recMem == -1 || psxRecLUT == NULL) {
 		SysMessage("Error allocating memory"); return -1;
 	}
 
@@ -412,7 +413,7 @@
 static void recShutdown() {
 	if (recMem == NULL) return;
 	free(psxRecLUT);
-	free(recMem);
+	munmap(recMem, RECMEM_SIZE);
 	free(recRAM);
 	free(recROM);
 	x86Shutdown();