added ELF loading support to loader.cpp

src/core/src/loader.cpp

@@ -26,6 +26,7 @@
 #include "loader.h"
 #include "system.h"
 #include "file_sys/directory_file_system.h"
+#include "elf/elf_reader.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
@@ -50,6 +51,37 @@ bool LoadDirectory_CXI(std::string &filename) {
     return true;
 }
 
+/// Loads a CTR ELF file
+bool Load_ELF(std::string &filename) {
+    std::string full_path = filename;
+    std::string path, file, extension;
+    SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
+#if EMU_PLATFORM == PLATFORM_WINDOWS
+    path = ReplaceAll(path, "/", "\\");
+#endif
+    File::IOFile f(filename, "rb");
+
+    if (f.IsOpen()) {
+        u64 size = f.GetSize();
+        u8* buffer = new u8[size];
+        ElfReader* elf_reader = NULL;
+
+        f.ReadBytes(buffer, size);
+
+        elf_reader = new ElfReader(buffer);
+        elf_reader->LoadInto(0x00100000);
+
+        delete[] buffer;
+        delete elf_reader;
+    }
+    else {
+        return false;
+    }
+    f.Close();
+
+    return true;
+}
+
 namespace Loader {
 
 bool IsBootableDirectory() {
@@ -73,16 +105,24 @@ FileType IdentifyFile(std::string &filename) {
     if (File::IsDirectory(filename)) {
         if (IsBootableDirectory()) {
             return FILETYPE_DIRECTORY_CXI;
-		} else {
+        }
+        else {
             return FILETYPE_NORMAL_DIRECTORY;
         }
-	} else if (!strcasecmp(extension.c_str(),".zip")) {
+    }
+    else if (!strcasecmp(extension.c_str(), ".elf")) {
+        return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
+    }
+    else if (!strcasecmp(extension.c_str(), ".zip")) {
         return FILETYPE_ARCHIVE_ZIP;
-	} else if (!strcasecmp(extension.c_str(),".rar")) {
+    }
+    else if (!strcasecmp(extension.c_str(), ".rar")) {
         return FILETYPE_ARCHIVE_RAR;
-	} else if (!strcasecmp(extension.c_str(),".r00")) {
+    }
+    else if (!strcasecmp(extension.c_str(), ".r00")) {
         return FILETYPE_ARCHIVE_RAR;
-	} else if (!strcasecmp(extension.c_str(),".r01")) {
+    }
+    else if (!strcasecmp(extension.c_str(), ".r01")) {
         return FILETYPE_ARCHIVE_RAR;
     }
     return FILETYPE_UNKNOWN;
@@ -95,10 +135,14 @@ FileType IdentifyFile(std::string &filename) {
  * @return True on success, otherwise false
  */
 bool LoadFile(std::string &filename, std::string *error_string) {
-	INFO_LOG(LOADER,"Identifying file...");
+    INFO_LOG(LOADER, "Identifying file...");
+
     // Note that this can modify filename!
     switch (IdentifyFile(filename)) {
 
+    case FILETYPE_CTR_ELF:
+        return Load_ELF(filename);
+
     case FILETYPE_DIRECTORY_CXI:
         return LoadDirectory_CXI(filename);