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-rw-r--r--src/core/loader/ncch.cpp190
1 files changed, 84 insertions, 106 deletions
diff --git a/src/core/loader/ncch.cpp b/src/core/loader/ncch.cpp
index 883a0f753..eca57d14b 100644
--- a/src/core/loader/ncch.cpp
+++ b/src/core/loader/ncch.cpp
@@ -4,8 +4,6 @@
#include <memory>
-#include "common/file_util.h"
-
#include "core/loader/ncch.h"
#include "core/hle/kernel/kernel.h"
#include "core/mem_map.h"
@@ -99,15 +97,6 @@ static bool LZSS_Decompress(u8* compressed, u32 compressed_size, u8* decompresse
////////////////////////////////////////////////////////////////////////////////////////////////////
// AppLoader_NCCH class
-/// AppLoader_NCCH constructor
-AppLoader_NCCH::AppLoader_NCCH(const std::string& filename) {
- this->filename = filename;
-}
-
-/// AppLoader_NCCH destructor
-AppLoader_NCCH::~AppLoader_NCCH() {
-}
-
ResultStatus AppLoader_NCCH::LoadExec() const {
if (!is_loaded)
return ResultStatus::ErrorNotLoaded;
@@ -123,108 +112,100 @@ ResultStatus AppLoader_NCCH::LoadExec() const {
ResultStatus AppLoader_NCCH::LoadSectionExeFS(const char* name, std::vector<u8>& buffer) const {
// Iterate through the ExeFs archive until we find the .code file...
- FileUtil::IOFile file(filename, "rb");
- if (file.IsOpen()) {
- LOG_DEBUG(Loader, "%d sections:", kMaxSections);
- for (int i = 0; i < kMaxSections; i++) {
- // Load the specified section...
- if (strcmp((const char*)exefs_header.section[i].name, name) == 0) {
- LOG_DEBUG(Loader, "%d - offset: 0x%08X, size: 0x%08X, name: %s", i,
- exefs_header.section[i].offset, exefs_header.section[i].size,
- exefs_header.section[i].name);
-
- s64 section_offset = (exefs_header.section[i].offset + exefs_offset +
- sizeof(ExeFs_Header)+ncch_offset);
- file.Seek(section_offset, 0);
-
- // Section is compressed...
- if (i == 0 && is_compressed) {
- // Read compressed .code section...
- std::unique_ptr<u8[]> temp_buffer;
- try {
- temp_buffer.reset(new u8[exefs_header.section[i].size]);
- } catch (std::bad_alloc&) {
- return ResultStatus::ErrorMemoryAllocationFailed;
- }
- 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);
- buffer.resize(decompressed_size);
- if (!LZSS_Decompress(&temp_buffer[0], exefs_header.section[i].size, &buffer[0],
- decompressed_size)) {
- return ResultStatus::ErrorInvalidFormat;
- }
- // Section is uncompressed...
+ if (!file->IsOpen())
+ return ResultStatus::Error;
+
+ LOG_DEBUG(Loader, "%d sections:", kMaxSections);
+ for (int i = 0; i < kMaxSections; i++) {
+ // Load the specified section...
+ if (strcmp((const char*)exefs_header.section[i].name, name) == 0) {
+ LOG_DEBUG(Loader, "%d - offset: 0x%08X, size: 0x%08X, name: %s", i,
+ exefs_header.section[i].offset, exefs_header.section[i].size,
+ exefs_header.section[i].name);
+
+ s64 section_offset = (exefs_header.section[i].offset + exefs_offset +
+ sizeof(ExeFs_Header)+ncch_offset);
+ file->Seek(section_offset, 0);
+
+ // Section is compressed...
+ if (i == 0 && is_compressed) {
+ // Read compressed .code section...
+ std::unique_ptr<u8[]> temp_buffer;
+ try {
+ temp_buffer.reset(new u8[exefs_header.section[i].size]);
+ } catch (std::bad_alloc&) {
+ return ResultStatus::ErrorMemoryAllocationFailed;
}
- else {
- buffer.resize(exefs_header.section[i].size);
- file.ReadBytes(&buffer[0], exefs_header.section[i].size);
+ 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);
+ buffer.resize(decompressed_size);
+ if (!LZSS_Decompress(&temp_buffer[0], exefs_header.section[i].size, &buffer[0],
+ decompressed_size)) {
+ return ResultStatus::ErrorInvalidFormat;
}
- return ResultStatus::Success;
+ // Section is uncompressed...
}
+ else {
+ buffer.resize(exefs_header.section[i].size);
+ file->ReadBytes(&buffer[0], exefs_header.section[i].size);
+ }
+ return ResultStatus::Success;
}
- } else {
- LOG_ERROR(Loader, "Unable to read file %s!", filename.c_str());
- return ResultStatus::Error;
}
return ResultStatus::ErrorNotUsed;
}
ResultStatus AppLoader_NCCH::Load() {
- LOG_INFO(Loader, "Loading NCCH file %s...", filename.c_str());
-
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
- FileUtil::IOFile file(filename, "rb");
- if (file.IsOpen()) {
- file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
+ if (!file->IsOpen())
+ return ResultStatus::Error;
- // Skip NCSD header and load first NCCH (NCSD is just a container of NCCH files)...
- if (0 == memcmp(&ncch_header.magic, "NCSD", 4)) {
- LOG_WARNING(Loader, "Only loading the first (bootable) NCCH within the NCSD file!");
- ncch_offset = 0x4000;
- file.Seek(ncch_offset, 0);
- file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
- }
+ file->ReadBytes(&ncch_header, sizeof(NCCH_Header));
- // Verify we are loading the correct file type...
- if (0 != memcmp(&ncch_header.magic, "NCCH", 4))
- return ResultStatus::ErrorInvalidFormat;
+ // Skip NCSD header and load first NCCH (NCSD is just a container of NCCH files)...
+ if (0 == memcmp(&ncch_header.magic, "NCSD", 4)) {
+ LOG_WARNING(Loader, "Only loading the first (bootable) NCCH within the NCSD file!");
+ ncch_offset = 0x4000;
+ file->Seek(ncch_offset, 0);
+ file->ReadBytes(&ncch_header, sizeof(NCCH_Header));
+ }
- // Read ExHeader...
+ // Verify we are loading the correct file type...
+ if (0 != memcmp(&ncch_header.magic, "NCCH", 4))
+ return ResultStatus::ErrorInvalidFormat;
- file.ReadBytes(&exheader_header, sizeof(ExHeader_Header));
+ // Read ExHeader...
- is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1;
- entry_point = exheader_header.codeset_info.text.address;
+ file->ReadBytes(&exheader_header, sizeof(ExHeader_Header));
- LOG_INFO(Loader, "Name: %s", exheader_header.codeset_info.name);
- LOG_DEBUG(Loader, "Code compressed: %s", is_compressed ? "yes" : "no");
- LOG_DEBUG(Loader, "Entry point: 0x%08X", entry_point);
+ is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1;
+ entry_point = exheader_header.codeset_info.text.address;
- // Read ExeFS...
+ LOG_INFO(Loader, "Name: %s", exheader_header.codeset_info.name);
+ LOG_DEBUG(Loader, "Code compressed: %s", is_compressed ? "yes" : "no");
+ LOG_DEBUG(Loader, "Entry point: 0x%08X", entry_point);
- exefs_offset = ncch_header.exefs_offset * kBlockSize;
- u32 exefs_size = ncch_header.exefs_size * kBlockSize;
+ // Read ExeFS...
- LOG_DEBUG(Loader, "ExeFS offset: 0x%08X", exefs_offset);
- LOG_DEBUG(Loader, "ExeFS size: 0x%08X", exefs_size);
+ exefs_offset = ncch_header.exefs_offset * kBlockSize;
+ u32 exefs_size = ncch_header.exefs_size * kBlockSize;
- file.Seek(exefs_offset + ncch_offset, 0);
- file.ReadBytes(&exefs_header, sizeof(ExeFs_Header));
+ LOG_DEBUG(Loader, "ExeFS offset: 0x%08X", exefs_offset);
+ LOG_DEBUG(Loader, "ExeFS size: 0x%08X", exefs_size);
- LoadExec(); // Load the executable into memory for booting
+ file->Seek(exefs_offset + ncch_offset, 0);
+ file->ReadBytes(&exefs_header, sizeof(ExeFs_Header));
- is_loaded = true; // Set state to loaded
+ LoadExec(); // Load the executable into memory for booting
- return ResultStatus::Success;
- } else {
- LOG_ERROR(Loader, "Unable to read file %s!", filename.c_str());
- }
- return ResultStatus::Error;
+ is_loaded = true; // Set state to loaded
+
+ return ResultStatus::Success;
}
ResultStatus AppLoader_NCCH::ReadCode(std::vector<u8>& buffer) const {
@@ -244,29 +225,26 @@ ResultStatus AppLoader_NCCH::ReadLogo(std::vector<u8>& buffer) const {
}
ResultStatus AppLoader_NCCH::ReadRomFS(std::vector<u8>& buffer) const {
- FileUtil::IOFile file(filename, "rb");
- if (file.IsOpen()) {
- // 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;
+ if (!file->IsOpen())
+ return ResultStatus::Error;
- LOG_DEBUG(Loader, "RomFS offset: 0x%08X", romfs_offset);
- LOG_DEBUG(Loader, "RomFS size: 0x%08X", romfs_size);
+ // 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;
- buffer.resize(romfs_size);
+ LOG_DEBUG(Loader, "RomFS offset: 0x%08X", romfs_offset);
+ LOG_DEBUG(Loader, "RomFS size: 0x%08X", romfs_size);
- file.Seek(romfs_offset, 0);
- file.ReadBytes(&buffer[0], romfs_size);
+ buffer.resize(romfs_size);
- return ResultStatus::Success;
- }
- LOG_DEBUG(Loader, "NCCH has no RomFS");
- return ResultStatus::ErrorNotUsed;
- } else {
- LOG_ERROR(Loader, "Unable to read file %s!", filename.c_str());
+ file->Seek(romfs_offset, 0);
+ file->ReadBytes(&buffer[0], romfs_size);
+
+ return ResultStatus::Success;
}
- return ResultStatus::Error;
+ LOG_DEBUG(Loader, "NCCH has no RomFS");
+ return ResultStatus::ErrorNotUsed;
}
u64 AppLoader_NCCH::GetProgramId() const {