X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Flibretro.c;h=ebf6e65efd38128aeed1a9b6cb42ba627945b2b7;hb=c25d78eec11d2a22adbd0bc7d42a24e2d79e40e7;hp=40dc394e96b42e7adca43b1bcda9b253b09ccf28;hpb=2446536be520914616403876d7e49621ac6f4b95;p=picodrive.git

diff --git a/platform/libretro.c b/platform/libretro.c
index 40dc394..ebf6e65 100644
--- a/platform/libretro.c
+++ b/platform/libretro.c
@@ -11,6 +11,7 @@
 #include <stdarg.h>
 #include <string.h>
 #include <sys/mman.h>
+#include <errno.h>
 #ifdef __MACH__
 #include <libkern/OSCacheControl.h>
 #endif
@@ -71,8 +72,10 @@ void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
 
 	req = (void *)addr;
 	ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
-	if (ret == MAP_FAILED)
+	if (ret == MAP_FAILED) {
+		lprintf("mmap(%08lx, %zd) failed: %d\n", addr, size, errno);
 		return NULL;
+	}
 
 	if (addr != 0 && ret != (void *)addr) {
 		lprintf("warning: wanted to map @%08lx, got %p\n",
@@ -102,6 +105,15 @@ void plat_munmap(void *ptr, size_t size)
 		munmap(ptr, size);
 }
 
+int plat_mem_set_exec(void *ptr, size_t size)
+{
+	int ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC);
+	if (ret != 0)
+		lprintf("mprotect(%p, %zd) failed: %d\n", ptr, size, errno);
+
+	return ret;
+}
+
 void emu_video_mode_change(int start_line, int line_count, int is_32cols)
 {
 	memset(vout_buf, 0, 320 * 240 * 2);