From bb7fcf79fe4a768eb4e6d26c55c2b1eb8cd4fa07 Mon Sep 17 00:00:00 2001
From: bunnei <ericbunnie@gmail.com>
Date: Wed, 30 Apr 2014 23:50:14 -0400
Subject: - added option to load a code.bin file extracted from a CXI file

- updated load launcher.dat function to use ARM11 format hack
---
 src/core/loader.cpp | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 src/core/loader.h   | 24 +++++++++++++-----------
 2 files changed, 63 insertions(+), 14 deletions(-)

(limited to 'src')

diff --git a/src/core/loader.cpp b/src/core/loader.cpp
index 7c1dfef6..8756588a 100644
--- a/src/core/loader.cpp
+++ b/src/core/loader.cpp
@@ -89,8 +89,8 @@ bool Load_DAT(std::string &filename) {
         * but for the sake of making it easier... we'll temporarily/hackishly
         * allow it. No sense in making a proper reader for this.
         */
-        u32 entrypoint = 0x080c3ee0; // write to same entrypoint as elf
-        u32 payload_offset = 0x6F4;
+        u32 entrypoint = 0x00100000; // write to same entrypoint as elf
+        u32 payload_offset = 0xA150;
         
         const u8 *src = &buffer[payload_offset];
         u8 *dst = Memory::GetPointer(entrypoint);
@@ -114,6 +114,47 @@ bool Load_DAT(std::string &filename) {
     return true;
 }
 
+
+/// Loads a CTR BIN file extracted from an ExeFS
+bool Load_BIN(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];
+
+        f.ReadBytes(buffer, size);
+
+        u32 entrypoint = 0x00100000; // Hardcoded, read from exheader
+        
+        const u8 *src = buffer;
+        u8 *dst = Memory::GetPointer(entrypoint);
+        u32 srcSize = size;
+        u32 *s = (u32*)src;
+        u32 *d = (u32*)dst;
+        for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
+        {
+            *d++ = (*s++);
+        }
+        
+        Core::g_app_core->SetPC(entrypoint);
+
+        delete[] buffer;
+    }
+    else {
+        return false;
+    }
+    f.Close();
+
+    return true;
+}
+
 namespace Loader {
 
 bool IsBootableDirectory() {
@@ -145,6 +186,9 @@ FileType IdentifyFile(std::string &filename) {
     else if (!strcasecmp(extension.c_str(), ".elf")) {
         return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
     }
+    else if (!strcasecmp(extension.c_str(), ".bin")) {
+        return FILETYPE_CTR_BIN;
+    }
     else if (!strcasecmp(extension.c_str(), ".dat")) {
         return FILETYPE_LAUNCHER_DAT;
     }
@@ -178,6 +222,9 @@ bool LoadFile(std::string &filename, std::string *error_string) {
     case FILETYPE_CTR_ELF:
         return Load_ELF(filename);
 
+    case FILETYPE_CTR_BIN:
+        return Load_BIN(filename);
+
     case FILETYPE_LAUNCHER_DAT:
         return Load_DAT(filename);
 
@@ -215,7 +262,7 @@ bool LoadFile(std::string &filename, std::string *error_string) {
     case FILETYPE_UNKNOWN:
     default:
         ERROR_LOG(LOADER, "Failed to identify file");
-        *error_string = "Failed to identify file";
+        *error_string = " Failed to identify file";
         break;
     }
     return false;
diff --git a/src/core/loader.h b/src/core/loader.h
index df30f16c..9d4aaa87 100644
--- a/src/core/loader.h
+++ b/src/core/loader.h
@@ -17,19 +17,21 @@ enum FileType {
     FILETYPE_CTR_CIA,
     FILETYPE_CTR_CXI,
     FILETYPE_CTR_ELF,
-    FILETYPE_LAUNCHER_DAT,
-
-	FILETYPE_DIRECTORY_CXI,
-
-	FILETYPE_UNKNOWN_BIN,
-	FILETYPE_UNKNOWN_ELF,
+    FILETYPE_CTR_BIN,
 
-	FILETYPE_ARCHIVE_RAR,
-	FILETYPE_ARCHIVE_ZIP,
-
-	FILETYPE_NORMAL_DIRECTORY,
+    FILETYPE_LAUNCHER_DAT,
 
-	FILETYPE_UNKNOWN
+    FILETYPE_DIRECTORY_CXI,
+    
+    FILETYPE_UNKNOWN_BIN,
+    FILETYPE_UNKNOWN_ELF,
+    
+    FILETYPE_ARCHIVE_RAR,
+    FILETYPE_ARCHIVE_ZIP,
+    
+    FILETYPE_NORMAL_DIRECTORY,
+    
+    FILETYPE_UNKNOWN
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
-- 
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