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authorbunnei <ericbunnie@gmail.com>2014-06-22 21:40:21 +0200
committerbunnei <ericbunnie@gmail.com>2014-06-25 01:30:08 +0200
commita7f1c544909ee1034356666e04bea3a4b4609a95 (patch)
tree678febb505b765cc337f4ca96180758a4c295536 /src/core/loader
parentMemMap: Added a WriteBlock function to write a buffer of data to memory. (diff)
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Diffstat (limited to 'src/core/loader')
-rw-r--r--src/core/loader/loader.h16
-rw-r--r--src/core/loader/ncch.cpp142
-rw-r--r--src/core/loader/ncch.h57
3 files changed, 141 insertions, 74 deletions
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index 002af1f60..95f16fcb1 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -51,37 +51,37 @@ public:
* @param error ResultStatus result of function
* @return Reference to code buffer
*/
- virtual const std::vector<u8>& GetCode(ResultStatus& error) const {
+ virtual const std::vector<u8>& ReadCode(ResultStatus& error) const {
error = ResultStatus::ErrorNotImplemented;
return code;
}
/**
- * Get the icon (typically .icon section) of the application
+ * Get the icon (typically icon section) of the application
* @param error ResultStatus result of function
* @return Reference to icon buffer
*/
- virtual const std::vector<u8>& GetIcon(ResultStatus& error) const {
+ virtual const std::vector<u8>& ReadIcon(ResultStatus& error) const {
error = ResultStatus::ErrorNotImplemented;
return icon;
}
/**
- * Get the banner (typically .banner section) of the application
+ * Get the banner (typically banner section) of the application
* @param error ResultStatus result of function
* @return Reference to banner buffer
*/
- virtual const std::vector<u8>& GetBanner(ResultStatus& error) const {
+ virtual const std::vector<u8>& ReadBanner(ResultStatus& error) const {
error = ResultStatus::ErrorNotImplemented;
return banner;
}
/**
- * Get the logo (typically .logo section) of the application
+ * Get the logo (typically logo section) of the application
* @param error ResultStatus result of function
* @return Reference to logo buffer
*/
- virtual const std::vector<u8>& GetLogo(ResultStatus& error) const {
+ virtual const std::vector<u8>& ReadLogo(ResultStatus& error) const {
error = ResultStatus::ErrorNotImplemented;
return logo;
}
@@ -91,7 +91,7 @@ public:
* @param error ResultStatus result of function
* @return Reference to RomFs archive buffer
*/
- virtual const std::vector<u8>& GetRomFs(ResultStatus error) const {
+ virtual const std::vector<u8>& ReadRomFS(ResultStatus& error) const {
error = ResultStatus::ErrorNotImplemented;
return romfs;
}
diff --git a/src/core/loader/ncch.cpp b/src/core/loader/ncch.cpp
index a4922c2c0..60505bdfa 100644
--- a/src/core/loader/ncch.cpp
+++ b/src/core/loader/ncch.cpp
@@ -113,36 +113,39 @@ AppLoader_NCCH::AppLoader_NCCH(const std::string& filename) {
/// AppLoader_NCCH destructor
AppLoader_NCCH::~AppLoader_NCCH() {
+ if (file.IsOpen())
+ file.Close();
}
/**
* Loads .code section into memory for booting
* @return ResultStatus result of function
*/
-ResultStatus AppLoader_NCCH::LoadExec() const {
+ResultStatus AppLoader_NCCH::LoadExec() {
if (!is_loaded)
return ResultStatus::ErrorNotLoaded;
- for (std::vector<u8>::size_type i = 0; i != code.size(); i++) {
- Memory::Write8(entry_point + i, code[i]);
+ ResultStatus res;
+ code = ReadCode(res);
+
+ if (ResultStatus::Success == res) {
+ Memory::WriteBlock(entry_point, &code[0], code.size());
+ Kernel::LoadExec(entry_point);
}
- Kernel::LoadExec(entry_point);
-
- return ResultStatus::Success;
+ return res;
}
/**
* Reads an application ExeFS section of an NCCH file into AppLoader (e.g. .code, .logo, etc.)
- * @param file Handle to file to read from
* @param name Name of section to read out of NCCH file
- * @param buffer Buffer to read section into.
+ * @param buffer Vector to read data into
+ * @param error ResultStatus result of function
+ * @return Reference to buffer of data that was read
*/
-ResultStatus AppLoader_NCCH::LoadSectionExeFS(File::IOFile& file, const char* name,
- std::vector<u8>& buffer) {
-
+const std::vector<u8>& AppLoader_NCCH::LoadSectionExeFS(const char* name, std::vector<u8>& buffer,
+ ResultStatus& error) {
// Iterate through the ExeFs archive until we find the .code file...
for (int i = 0; i < kMaxSections; i++) {
-
// Load the specified section...
if (strcmp((const char*)exefs_header.section[i].name, name) == 0) {
INFO_LOG(LOADER, "ExeFS section %d:", i);
@@ -161,50 +164,28 @@ ResultStatus AppLoader_NCCH::LoadSectionExeFS(File::IOFile& file, const char* na
file.ReadBytes(&temp_buffer[0], exefs_header.section[i].size);
// Decompress .code section...
- u32 decompressed_size = LZSS_GetDecompressedSize(&temp_buffer[0], exefs_header.section[i].size);
+ u32 decompressed_size = LZSS_GetDecompressedSize(&temp_buffer[0],
+ exefs_header.section[i].size);
buffer.resize(decompressed_size);
- if (!LZSS_Decompress(&temp_buffer[0], exefs_header.section[i].size, &buffer[0],
+ if (!LZSS_Decompress(&temp_buffer[0], exefs_header.section[i].size, &buffer[0],
decompressed_size)) {
- return ResultStatus::ErrorInvalidFormat;
+ error = ResultStatus::ErrorInvalidFormat;
+ return buffer;
}
// Section is uncompressed...
} else {
buffer.resize(exefs_header.section[i].size);
file.ReadBytes(&buffer[0], exefs_header.section[i].size);
}
- return ResultStatus::Success;
+ error = ResultStatus::Success;
+ return buffer;
}
}
- return ResultStatus::ErrorNotUsed;
+ error = ResultStatus::ErrorNotUsed;
+ return buffer;
}
/**
- * Reads RomFS of an NCCH file into AppLoader
- * @param file Handle to file to read from
- * @return ResultStatus result of function
- */
-ResultStatus AppLoader_NCCH::LoadRomFS(File::IOFile& file) {
- // Check if the NCCH has a RomFS...
- if (ncch_header.romfs_offset != 0 && ncch_header.romfs_size != 0) {
- u32 romfs_offset = ncch_offset + (ncch_header.romfs_offset * kBlockSize) + 0x1000;
- u32 romfs_size = (ncch_header.romfs_size * kBlockSize) - 0x1000;
-
- INFO_LOG(LOADER, "RomFS offset: 0x%08X", romfs_offset);
- INFO_LOG(LOADER, "RomFS size: 0x%08X", romfs_size);
-
- romfs.resize(romfs_size);
-
- file.Seek(romfs_offset, 0);
- file.ReadBytes(&romfs[0], romfs_size);
-
- return ResultStatus::Success;
- } else {
- NOTICE_LOG(LOADER, "RomFS unused");
- }
- return ResultStatus::ErrorNotUsed;
-}
-
-/**
* Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
* @param error_string Pointer to string to put error message if an error has occurred
* @todo Move NCSD parsing out of here and create a separate function for loading these
@@ -216,7 +197,7 @@ ResultStatus AppLoader_NCCH::Load() {
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
- File::IOFile file(filename, "rb");
+ file = File::IOFile(filename, "rb");
if (file.IsOpen()) {
file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
@@ -255,15 +236,6 @@ ResultStatus AppLoader_NCCH::Load() {
file.Seek(exefs_offset + ncch_offset, 0);
file.ReadBytes(&exefs_header, sizeof(ExeFs_Header));
- // TODO(bunnei): Check ResultStatus of these...
-
- LoadSectionExeFS(file, ".code", code);
- LoadSectionExeFS(file, "banner", banner);
- LoadSectionExeFS(file, "icon", icon);
- LoadSectionExeFS(file, "logo", logo);
-
- LoadRomFS(file);
-
is_loaded = true; // Set state to loaded
LoadExec(); // Load the executable into memory for booting
@@ -273,4 +245,68 @@ ResultStatus AppLoader_NCCH::Load() {
return ResultStatus::Error;
}
+/**
+ * Get the code (typically .code section) of the application
+ * @param error ResultStatus result of function
+ * @return Reference to code buffer
+ */
+const std::vector<u8>& AppLoader_NCCH::ReadCode(ResultStatus& error) {
+ return LoadSectionExeFS(".code", code, error);
+}
+
+/**
+ * Get the icon (typically icon section) of the application
+ * @param error ResultStatus result of function
+ * @return Reference to icon buffer
+ */
+const std::vector<u8>& AppLoader_NCCH::ReadIcon(ResultStatus& error) {
+ return LoadSectionExeFS("icon", icon, error);
+}
+
+/**
+ * Get the banner (typically banner section) of the application
+ * @param error ResultStatus result of function
+ * @return Reference to banner buffer
+ */
+const std::vector<u8>& AppLoader_NCCH::ReadBanner(ResultStatus& error) {
+ return LoadSectionExeFS("banner", banner, error);
+}
+
+/**
+ * Get the logo (typically logo section) of the application
+ * @param error ResultStatus result of function
+ * @return Reference to logo buffer
+ */
+const std::vector<u8>& AppLoader_NCCH::ReadLogo(ResultStatus& error) {
+ return LoadSectionExeFS("logo", logo, error);
+}
+
+/**
+ * Get the RomFs archive of the application
+ * @param error ResultStatus result of function
+ * @return Reference to RomFs archive buffer
+ */
+const std::vector<u8>& AppLoader_NCCH::ReadRomFS(ResultStatus& error) {
+ // Check if the NCCH has a RomFS...
+ if (ncch_header.romfs_offset != 0 && ncch_header.romfs_size != 0) {
+ u32 romfs_offset = ncch_offset + (ncch_header.romfs_offset * kBlockSize) + 0x1000;
+ u32 romfs_size = (ncch_header.romfs_size * kBlockSize) - 0x1000;
+
+ INFO_LOG(LOADER, "RomFS offset: 0x%08X", romfs_offset);
+ INFO_LOG(LOADER, "RomFS size: 0x%08X", romfs_size);
+
+ romfs.resize(romfs_size);
+
+ file.Seek(romfs_offset, 0);
+ file.ReadBytes(&romfs[0], romfs_size);
+
+ error = ResultStatus::Success;
+ return romfs;
+ } else {
+ NOTICE_LOG(LOADER, "RomFS unused");
+ }
+ error = ResultStatus::ErrorNotUsed;
+ return romfs;
+}
+
} // namespace Loader
diff --git a/src/core/loader/ncch.h b/src/core/loader/ncch.h
index 126eb4c80..bf65425a4 100644
--- a/src/core/loader/ncch.h
+++ b/src/core/loader/ncch.h
@@ -156,35 +156,66 @@ public:
*/
ResultStatus Load();
-private:
+ /**
+ * Get the code (typically .code section) of the application
+ * @param error ResultStatus result of function
+ * @return Reference to code buffer
+ */
+ const std::vector<u8>& ReadCode(ResultStatus& error);
/**
- * Reads an application ExeFS section of an NCCH file into AppLoader (e.g. .code, .logo, etc.)
- * @param file Handle to file to read from
- * @param name Name of section to read out of NCCH file
- * @param buffer Buffer to read section into.
- * @return ResultStatus result of function
+ * Get the icon (typically icon section) of the application
+ * @param error ResultStatus result of function
+ * @return Reference to icon buffer
*/
- ResultStatus LoadSectionExeFS(File::IOFile& file, const char* name, std::vector<u8>& buffer);
+ const std::vector<u8>& ReadIcon(ResultStatus& error);
/**
- * Reads RomFS of an NCCH file into AppLoader
- * @param file Handle to file to read from
- * @return ResultStatus result of function
+ * Get the banner (typically banner section) of the application
+ * @param error ResultStatus result of function
+ * @return Reference to banner buffer
+ */
+ const std::vector<u8>& ReadBanner(ResultStatus& error);
+
+ /**
+ * Get the logo (typically logo section) of the application
+ * @param error ResultStatus result of function
+ * @return Reference to logo buffer
*/
- ResultStatus LoadRomFS(File::IOFile& file);
+ const std::vector<u8>& ReadLogo(ResultStatus& error);
+
+ /**
+ * Get the RomFs archive of the application
+ * @param error ResultStatus result of function
+ * @return Reference to RomFs archive buffer
+ */
+ const std::vector<u8>& ReadRomFS(ResultStatus& error);
+
+private:
+
+ /**
+ * Reads an application ExeFS section of an NCCH file into AppLoader (e.g. .code, .logo, etc.)
+ * @param name Name of section to read out of NCCH file
+ * @param buffer Vector to read data into
+ * @param error ResultStatus result of function
+ * @return Reference to buffer of data that was read
+ */
+ const std::vector<u8>& LoadSectionExeFS(const char* name, std::vector<u8>& buffer,
+ ResultStatus& error);
/**
* Loads .code section into memory for booting
* @return ResultStatus result of function
*/
- ResultStatus LoadExec() const;
+ ResultStatus LoadExec();
+ File::IOFile file;
std::string filename;
+
bool is_loaded;
bool is_compressed;
- u32 entry_point;
+ u32 entry_point;
u32 ncch_offset; // Offset to NCCH header, can be 0 or after NCSD header
u32 exefs_offset;