1 files changed, 66 insertions, 0 deletions
diff --git a/frontend/3ds/sys/mman.h b/frontend/3ds/sys/mman.h
new file mode 100644
index 0000000..c93b13b
--- /dev/null
+++ b/frontend/3ds/sys/mman.h
@@ -0,0 +1,66 @@
+#ifndef MMAN_H
+#define MMAN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "3ds.h"
+#include "stdlib.h"
+#include "stdio.h"
+
+#define PROT_READ       MEMPERM_READ
+#define PROT_WRITE      MEMPERM_WRITE
+#define PROT_EXEC       MEMPERM_EXECUTE
+#define MAP_PRIVATE     2
+#define MAP_ANONYMOUS   0x20
+
+#define MAP_FAILED      ((void *)-1)
+
+static inline void* mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset)
+{
+   (void)addr;
+   (void)prot;
+   (void)flags;
+   (void)fd;
+   (void)offset;
+
+   void* addr_out;
+
+   addr_out = malloc(len);
+   if(!addr_out)
+      return MAP_FAILED;
+
+   return addr_out;
+}
+
+static inline int mprotect(void *addr, size_t len, int prot)
+{
+   extern int ctr_svchack_init_success;
+
+   if(ctr_svchack_init_success)
+   {
+      uint32_t currentHandle;
+      svcDuplicateHandle(&currentHandle, 0xFFFF8001);
+      svcControlProcessMemory(currentHandle, (u32)addr, 0x0,
+                              len, MEMOP_PROT, prot);
+      svcCloseHandle(currentHandle);
+      return 0;
+   }
+
+   return -1;
+}
+
+static inline int munmap(void *addr, size_t len)
+{
+   free(addr);
+   return 0;
+
+}
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif // MMAN_H
+