X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Flightrec%2Fplugin.c;h=72201c16f11b35b7749404c9fd5866a701bf00ce;hb=0e720fb13f7933930608b62854ea8f4a9d97c934;hp=16770a707da3757f0ae381faf16e5f345fee2a30;hpb=323bb280df855a9ab8474018f1f5e4de65c398b2;p=pcsx_rearmed.git

diff --git a/libpcsxcore/lightrec/plugin.c b/libpcsxcore/lightrec/plugin.c
index 16770a70..72201c16 100644
--- a/libpcsxcore/lightrec/plugin.c
+++ b/libpcsxcore/lightrec/plugin.c
@@ -1,10 +1,15 @@
 #include <lightrec.h>
+#include <errno.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <signal.h>
 #include <assert.h>
 
+#if P_HAVE_MMAP
+#include <sys/mman.h>
+#endif
+
 #include "../cdrom.h"
 #include "../gpu.h"
 #include "../gte.h"
@@ -50,6 +55,8 @@
 psxRegisters psxRegs;
 Rcnt rcnts[4];
 
+void* code_buffer;
+
 static struct lightrec_state *lightrec_state;
 
 static char *name = "retroarch.exe";
@@ -432,13 +439,28 @@ static int lightrec_plugin_init(void)
 	lightrec_map[PSX_MAP_HW_REGISTERS].address = psxH + 0x1000;
 	lightrec_map[PSX_MAP_PARALLEL_PORT].address = psxP;
 
+	if (!LIGHTREC_CUSTOM_MAP) {
+#if P_HAVE_MMAP
+		code_buffer = mmap(0, CODE_BUFFER_SIZE,
+				   PROT_EXEC | PROT_READ | PROT_WRITE,
+				   MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+		if (code_buffer == MAP_FAILED)
+			return -ENOMEM;
+#else
+		code_buffer = malloc(CODE_BUFFER_SIZE);
+		if (!code_buffer)
+			return -ENOMEM;
+#endif
+	}
+
 	if (LIGHTREC_CUSTOM_MAP) {
 		lightrec_map[PSX_MAP_MIRROR1].address = psxM + 0x200000;
 		lightrec_map[PSX_MAP_MIRROR2].address = psxM + 0x400000;
 		lightrec_map[PSX_MAP_MIRROR3].address = psxM + 0x600000;
-		lightrec_map[PSX_MAP_CODE_BUFFER].address = code_buffer;
 	}
 
+	lightrec_map[PSX_MAP_CODE_BUFFER].address = code_buffer;
+
 	use_lightrec_interpreter = !!getenv("LIGHTREC_INTERPRETER");
 
 	lightrec_state = lightrec_init(name,
@@ -560,6 +582,14 @@ static void lightrec_plugin_apply_config()
 static void lightrec_plugin_shutdown(void)
 {
 	lightrec_destroy(lightrec_state);
+
+	if (!LIGHTREC_CUSTOM_MAP) {
+#if P_HAVE_MMAP
+		munmap(code_buffer, CODE_BUFFER_SIZE);
+#else
+		free(code_buffer);
+#endif
+	}
 }
 
 static void lightrec_plugin_reset(void)