summaryrefslogtreecommitdiffstats
path: root/src/core/loader.cpp
diff options
context:
space:
mode:
authorbunnei <ericbunnie@gmail.com>2014-04-09 01:25:03 +0200
committerbunnei <ericbunnie@gmail.com>2014-04-09 01:25:03 +0200
commit63e46abdb8764bc97e91bae862c8d461e61b1965 (patch)
treee73f4aa25d7b4015a265e7bbfb6004dab7561027 /src/core/loader.cpp
parentfixed some license headers that I missed (diff)
downloadyuzu-63e46abdb8764bc97e91bae862c8d461e61b1965.tar
yuzu-63e46abdb8764bc97e91bae862c8d461e61b1965.tar.gz
yuzu-63e46abdb8764bc97e91bae862c8d461e61b1965.tar.bz2
yuzu-63e46abdb8764bc97e91bae862c8d461e61b1965.tar.lz
yuzu-63e46abdb8764bc97e91bae862c8d461e61b1965.tar.xz
yuzu-63e46abdb8764bc97e91bae862c8d461e61b1965.tar.zst
yuzu-63e46abdb8764bc97e91bae862c8d461e61b1965.zip
Diffstat (limited to 'src/core/loader.cpp')
-rw-r--r--src/core/loader.cpp168
1 files changed, 168 insertions, 0 deletions
diff --git a/src/core/loader.cpp b/src/core/loader.cpp
new file mode 100644
index 000000000..5d039dc94
--- /dev/null
+++ b/src/core/loader.cpp
@@ -0,0 +1,168 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "file_util.h"
+#include "loader.h"
+#include "system.h"
+#include "core.h"
+#include "file_sys/directory_file_system.h"
+#include "elf/elf_reader.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/// Loads an extracted CXI from a directory
+bool LoadDirectory_CXI(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
+ DirectoryFileSystem *fs = new DirectoryFileSystem(&System::g_ctr_file_system, path);
+ System::g_ctr_file_system.Mount("fs:", fs);
+
+ std::string final_name = "fs:/" + file + extension;
+ File::IOFile f(filename, "rb");
+
+ if (f.IsOpen()) {
+ // TODO(ShizZy): read here to memory....
+ }
+ ERROR_LOG(TIME, "Unimplemented function!");
+ 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);
+
+ Core::g_app_core->SetPC(elf_reader->GetEntryPoint());
+
+ delete[] buffer;
+ delete elf_reader;
+ } else {
+ return false;
+ }
+ f.Close();
+
+ return true;
+}
+
+namespace Loader {
+
+bool IsBootableDirectory() {
+ ERROR_LOG(TIME, "Unimplemented function!");
+ return true;
+}
+
+/**
+ * Identifies the type of a bootable file
+ * @param filename String filename of bootable file
+ * @todo (ShizZy) this function sucks... make it actually check file contents etc.
+ * @return FileType of file
+ */
+FileType IdentifyFile(std::string &filename) {
+ if (filename.size() == 0) {
+ ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
+ return FILETYPE_ERROR;
+ }
+ std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
+
+ if (File::IsDirectory(filename)) {
+ if (IsBootableDirectory()) {
+ return FILETYPE_DIRECTORY_CXI;
+ }
+ else {
+ return FILETYPE_NORMAL_DIRECTORY;
+ }
+ }
+ 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")) {
+ return FILETYPE_ARCHIVE_RAR;
+ }
+ else if (!strcasecmp(extension.c_str(), ".r00")) {
+ return FILETYPE_ARCHIVE_RAR;
+ }
+ else if (!strcasecmp(extension.c_str(), ".r01")) {
+ return FILETYPE_ARCHIVE_RAR;
+ }
+ return FILETYPE_UNKNOWN;
+}
+
+/**
+ * Identifies and loads a bootable file
+ * @param filename String filename of bootable file
+ * @param error_string Point to string to put error message if an error has occurred
+ * @return True on success, otherwise false
+ */
+bool LoadFile(std::string &filename, std::string *error_string) {
+ 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);
+
+ case FILETYPE_ERROR:
+ ERROR_LOG(LOADER, "Could not read file");
+ *error_string = "Error reading file";
+ break;
+
+ case FILETYPE_ARCHIVE_RAR:
+#ifdef WIN32
+ *error_string = "RAR file detected (Require WINRAR)";
+#else
+ *error_string = "RAR file detected (Require UnRAR)";
+#endif
+ break;
+
+ case FILETYPE_ARCHIVE_ZIP:
+#ifdef WIN32
+ *error_string = "ZIP file detected (Require WINRAR)";
+#else
+ *error_string = "ZIP file detected (Require UnRAR)";
+#endif
+ break;
+
+ case FILETYPE_NORMAL_DIRECTORY:
+ ERROR_LOG(LOADER, "Just a directory.");
+ *error_string = "Just a directory.";
+ break;
+
+ case FILETYPE_UNKNOWN_BIN:
+ case FILETYPE_UNKNOWN_ELF:
+ case FILETYPE_UNKNOWN:
+ default:
+ ERROR_LOG(LOADER, "Failed to identify file");
+ *error_string = "Failed to identify file";
+ break;
+ }
+ return false;
+}
+
+} // namespace \ No newline at end of file