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-rw-r--r--src/core/loader/ncch.cpp33
-rw-r--r--src/core/loader/ncch.h18
2 files changed, 37 insertions, 14 deletions
diff --git a/src/core/loader/ncch.cpp b/src/core/loader/ncch.cpp
index aaaa4d650..4efed78bf 100644
--- a/src/core/loader/ncch.cpp
+++ b/src/core/loader/ncch.cpp
@@ -198,20 +198,33 @@ ResultStatus AppLoader_NCCH::Load() {
198 if (file->ReadBytes(&exheader_header, sizeof(ExHeader_Header)) != sizeof(ExHeader_Header)) 198 if (file->ReadBytes(&exheader_header, sizeof(ExHeader_Header)) != sizeof(ExHeader_Header))
199 return ResultStatus::Error; 199 return ResultStatus::Error;
200 200
201 is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1; 201 is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1;
202 entry_point = exheader_header.codeset_info.text.address; 202 entry_point = exheader_header.codeset_info.text.address;
203 203 code_size = exheader_header.codeset_info.text.code_size;
204 LOG_INFO(Loader, "Name: %s", exheader_header.codeset_info.name); 204 stack_size = exheader_header.codeset_info.stack_size;
205 LOG_DEBUG(Loader, "Code compressed: %s", is_compressed ? "yes" : "no"); 205 bss_size = exheader_header.codeset_info.bss_size;
206 LOG_DEBUG(Loader, "Entry point: 0x%08X", entry_point); 206 core_version = exheader_header.arm11_system_local_caps.core_version;
207 priority = exheader_header.arm11_system_local_caps.priority;
208 resource_limit_category = exheader_header.arm11_system_local_caps.resource_limit_category;
209
210 LOG_INFO(Loader, "Name: %s" , exheader_header.codeset_info.name);
211 LOG_DEBUG(Loader, "Code compressed: %s" , is_compressed ? "yes" : "no");
212 LOG_DEBUG(Loader, "Entry point: 0x%08X", entry_point);
213 LOG_DEBUG(Loader, "Code size: 0x%08X", code_size);
214 LOG_DEBUG(Loader, "Stack size: 0x%08X", stack_size);
215 LOG_DEBUG(Loader, "Bss size: 0x%08X", bss_size);
216 LOG_DEBUG(Loader, "Core version: %d" , core_version);
217 LOG_DEBUG(Loader, "Thread priority: 0x%X" , priority);
218 LOG_DEBUG(Loader, "Resource limit descriptor: 0x%08X", exheader_header.arm11_system_local_caps.resource_limit_descriptor);
219 LOG_DEBUG(Loader, "Resource limit category: %d" , resource_limit_category);
207 220
208 // Read ExeFS... 221 // Read ExeFS...
209 222
210 exefs_offset = ncch_header.exefs_offset * kBlockSize; 223 exefs_offset = ncch_header.exefs_offset * kBlockSize;
211 u32 exefs_size = ncch_header.exefs_size * kBlockSize; 224 u32 exefs_size = ncch_header.exefs_size * kBlockSize;
212 225
213 LOG_DEBUG(Loader, "ExeFS offset: 0x%08X", exefs_offset); 226 LOG_DEBUG(Loader, "ExeFS offset: 0x%08X", exefs_offset);
214 LOG_DEBUG(Loader, "ExeFS size: 0x%08X", exefs_size); 227 LOG_DEBUG(Loader, "ExeFS size: 0x%08X", exefs_size);
215 228
216 file->Seek(exefs_offset + ncch_offset, SEEK_SET); 229 file->Seek(exefs_offset + ncch_offset, SEEK_SET);
217 if (file->ReadBytes(&exefs_header, sizeof(ExeFs_Header)) != sizeof(ExeFs_Header)) 230 if (file->ReadBytes(&exefs_header, sizeof(ExeFs_Header)) != sizeof(ExeFs_Header))
@@ -247,8 +260,8 @@ ResultStatus AppLoader_NCCH::ReadRomFS(std::vector<u8>& buffer) const {
247 u32 romfs_offset = ncch_offset + (ncch_header.romfs_offset * kBlockSize) + 0x1000; 260 u32 romfs_offset = ncch_offset + (ncch_header.romfs_offset * kBlockSize) + 0x1000;
248 u32 romfs_size = (ncch_header.romfs_size * kBlockSize) - 0x1000; 261 u32 romfs_size = (ncch_header.romfs_size * kBlockSize) - 0x1000;
249 262
250 LOG_DEBUG(Loader, "RomFS offset: 0x%08X", romfs_offset); 263 LOG_DEBUG(Loader, "RomFS offset: 0x%08X", romfs_offset);
251 LOG_DEBUG(Loader, "RomFS size: 0x%08X", romfs_size); 264 LOG_DEBUG(Loader, "RomFS size: 0x%08X", romfs_size);
252 265
253 buffer.resize(romfs_size); 266 buffer.resize(romfs_size);
254 267
diff --git a/src/core/loader/ncch.h b/src/core/loader/ncch.h
index f6f670060..3dd151dbd 100644
--- a/src/core/loader/ncch.h
+++ b/src/core/loader/ncch.h
@@ -43,6 +43,8 @@ struct NCCH_Header {
43 u8 romfs_super_block_hash[0x20]; 43 u8 romfs_super_block_hash[0x20];
44}; 44};
45 45
46static_assert(sizeof(NCCH_Header) == 0x200, "NCCH header structure size is wrong");
47
46//////////////////////////////////////////////////////////////////////////////////////////////////// 48////////////////////////////////////////////////////////////////////////////////////////////////////
47// ExeFS (executable file system) headers 49// ExeFS (executable file system) headers
48 50
@@ -77,11 +79,11 @@ struct ExHeader_CodeSetInfo {
77 u8 name[8]; 79 u8 name[8];
78 ExHeader_SystemInfoFlags flags; 80 ExHeader_SystemInfoFlags flags;
79 ExHeader_CodeSegmentInfo text; 81 ExHeader_CodeSegmentInfo text;
80 u8 stacksize[4]; 82 u32 stack_size;
81 ExHeader_CodeSegmentInfo ro; 83 ExHeader_CodeSegmentInfo ro;
82 u8 reserved[4]; 84 u8 reserved[4];
83 ExHeader_CodeSegmentInfo data; 85 ExHeader_CodeSegmentInfo data;
84 u8 bsssize[4]; 86 u32 bss_size;
85}; 87};
86 88
87struct ExHeader_DependencyList{ 89struct ExHeader_DependencyList{
@@ -107,9 +109,9 @@ struct ExHeader_ARM11_SystemLocalCaps{
107 u32 core_version; 109 u32 core_version;
108 u8 flags[3]; 110 u8 flags[3];
109 u8 priority; 111 u8 priority;
110 u8 resource_limit_descriptor[0x16][2]; 112 u8 resource_limit_descriptor[0x10][2];
111 ExHeader_StorageInfo storage_info; 113 ExHeader_StorageInfo storage_info;
112 u8 service_access_control[0x32][8]; 114 u8 service_access_control[0x20][8];
113 u8 ex_service_access_control[0x2][8]; 115 u8 ex_service_access_control[0x2][8];
114 u8 reserved[0xf]; 116 u8 reserved[0xf];
115 u8 resource_limit_category; 117 u8 resource_limit_category;
@@ -141,6 +143,8 @@ struct ExHeader_Header{
141 } access_desc; 143 } access_desc;
142}; 144};
143 145
146static_assert(sizeof(ExHeader_Header) == 0x800, "ExHeader structure size is wrong");
147
144//////////////////////////////////////////////////////////////////////////////////////////////////// 148////////////////////////////////////////////////////////////////////////////////////////////////////
145// Loader namespace 149// Loader namespace
146 150
@@ -224,6 +228,12 @@ private:
224 bool is_compressed = false; 228 bool is_compressed = false;
225 229
226 u32 entry_point = 0; 230 u32 entry_point = 0;
231 u32 code_size = 0;
232 u32 stack_size = 0;
233 u32 bss_size = 0;
234 u32 core_version = 0;
235 u8 priority = 0;
236 u8 resource_limit_category = 0;
227 u32 ncch_offset = 0; // Offset to NCCH header, can be 0 or after NCSD header 237 u32 ncch_offset = 0; // Offset to NCCH header, can be 0 or after NCSD header
228 u32 exefs_offset = 0; 238 u32 exefs_offset = 0;
229 239