diff options
Diffstat (limited to 'utils/ape2elf/main.cpp')
| -rw-r--r-- | utils/ape2elf/main.cpp | 214 |
1 files changed, 104 insertions, 110 deletions
diff --git a/utils/ape2elf/main.cpp b/utils/ape2elf/main.cpp index 801f4a9..1fbb427 100644 --- a/utils/ape2elf/main.cpp +++ b/utils/ape2elf/main.cpp @@ -42,50 +42,46 @@ /// @endcond //////////////////////////////////////////////////////////////////////////////// +#include <Compress.h> #include <NVRam.h> -#include <bcm5719_eeprom.h> - #include <OptionParser.h> -#include <Compress.h> - - +#include <bcm5719_eeprom.h> #include <elfio/elfio.hpp> #define ENTRYPOINT_SYMBOL "__start" #define VERSION_SYMBOL "VERSION" -#define STACK_END_SYMBOL "_estack" +#define STACK_END_SYMBOL "_estack" #define THUMB_CODE_SYMBOL "$t" using namespace std; using namespace ELFIO; using optparse::OptionParser; -#define MAX_SIZE (1024u * 256u) /* 256KB - max NVRAM */ +#define MAX_SIZE (1024u * 256u) /* 256KB - max NVRAM */ int main(int argc, char const *argv[]) { union { uint8_t bytes[MAX_SIZE]; - uint32_t words[MAX_SIZE/4]; + uint32_t words[MAX_SIZE / 4]; APEHeader_t header; } ape; OptionParser parser = OptionParser().description("BCM APE to elf Utility"); parser.add_option("-i", "--input") - .dest("input") - .help("Read from the input ape binary") - .metavar("FILE"); - + .dest("input") + .help("Read from the input ape binary") + .metavar("FILE"); parser.add_option("-o", "--output") - .dest("output") - .help("Save to the specified output elf file") - .metavar("FILE"); + .dest("output") + .help("Save to the specified output elf file") + .metavar("FILE"); optparse::Values options = parser.parse_args(argc, argv); vector<string> args = parser.args(); - if(!options.is_set("input")) + if (!options.is_set("input")) { cerr << "Please specify an ape binary to use." << endl; parser.print_help(); @@ -94,14 +90,14 @@ int main(int argc, char const *argv[]) fstream infile; infile.open(options["input"], fstream::in | fstream::binary); - if(infile.is_open()) + if (infile.is_open()) { - infile.read((char*)ape.bytes, MAX_SIZE); + infile.read((char *)ape.bytes, MAX_SIZE); - if(ape.words[0] == be32toh(APE_HEADER_MAGIC)) + if (ape.words[0] == be32toh(APE_HEADER_MAGIC)) { // The file is swapped... fix it. - for(int i = 0; i < sizeof(ape)/sizeof(ape.words[0]); i++) + for (int i = 0; i < sizeof(ape) / sizeof(ape.words[0]); i++) { ape.words[i] = be32toh(ape.words[i]); } @@ -115,40 +111,39 @@ int main(int argc, char const *argv[]) exit(-1); } - elfio writer; - + // Setup the elf header - writer.create( ELFCLASS32, ELFDATA2LSB ); - writer.set_os_abi( ELFOSABI_NONE ); - writer.set_type( ET_EXEC ); - writer.set_machine( EM_ARM ); + writer.create(ELFCLASS32, ELFDATA2LSB); + writer.set_os_abi(ELFOSABI_NONE); + writer.set_type(ET_EXEC); + writer.set_machine(EM_ARM); // Create code section - section* text_sec = writer.sections.add( ".text" ); - segment* text_seg = writer.segments.add(); - text_sec->set_type( SHT_PROGBITS ); - text_sec->set_flags( SHF_ALLOC | SHF_EXECINSTR ); - text_sec->set_addr_align( 0x4 ); - - section* bss_sec = writer.sections.add( ".bss" ); - segment* bss_seg = writer.segments.add(); - bss_sec->set_type( SHT_PROGBITS ); - bss_sec->set_flags( SHF_ALLOC | SHF_WRITE ); - bss_sec->set_addr_align( 0x4 ); - - section* data_sec = writer.sections.add( ".data" ); - segment* data_seg = writer.segments.add(); - data_sec->set_type( SHT_PROGBITS ); - data_sec->set_flags( SHF_ALLOC | SHF_WRITE ); - data_sec->set_addr_align( 0x4 ); + section *text_sec = writer.sections.add(".text"); + segment *text_seg = writer.segments.add(); + text_sec->set_type(SHT_PROGBITS); + text_sec->set_flags(SHF_ALLOC | SHF_EXECINSTR); + text_sec->set_addr_align(0x4); + + section *bss_sec = writer.sections.add(".bss"); + segment *bss_seg = writer.segments.add(); + bss_sec->set_type(SHT_PROGBITS); + bss_sec->set_flags(SHF_ALLOC | SHF_WRITE); + bss_sec->set_addr_align(0x4); + + section *data_sec = writer.sections.add(".data"); + segment *data_seg = writer.segments.add(); + data_sec->set_type(SHT_PROGBITS); + data_sec->set_flags(SHF_ALLOC | SHF_WRITE); + data_sec->set_addr_align(0x4); printf("=== Header ===\n"); printf("Magic: 0x%08X\n", ape.header.magic); printf("UNK0: 0x%08X\n", ape.header.unk0); char name[sizeof(ape.header.name) + 1] = {0}; - strncpy(name, (char*)ape.header.name, sizeof(ape.header.name)); + strncpy(name, (char *)ape.header.name, sizeof(ape.header.name)); printf("Name: %s\n", name); printf("Version: 0x%08X\n", ape.header.version); printf("Start: 0x%08X\n", ape.header.entrypoint); @@ -164,35 +159,36 @@ int main(int argc, char const *argv[]) uint32_t calculated_crc = NVRam_crc(ape.bytes, (4 * ape.header.words), 0); printf("Calculated CRC: 0x%08X\n", calculated_crc); - for(int i = 0; i < ape.header.sections; i++) + for (int i = 0; i < ape.header.sections; i++) { - uint8_t * inBufferPtr = NULL; - uint8_t * outBufferPtr = NULL; + uint8_t *inBufferPtr = NULL; + uint8_t *outBufferPtr = NULL; ssize_t inBufferSize; ssize_t outBufferSize; - size_t out_length; + size_t out_length; - APESection_t* section = &ape.header.section[i]; + APESection_t *section = &ape.header.section[i]; printf("\n=== Section %i ===\n", i); printf("Load Addr: 0x%08X\n", section->loadAddr); printf("Offset: 0x%08X\n", section->offset); printf("Flags: 0x%08X\n", section->flags); - if(section->flags & APE_SECTION_FLAG_COMPRESSED) + if (section->flags & APE_SECTION_FLAG_COMPRESSED) { printf(" compressed\n"); } - if(section->flags & APE_SECTION_FLAG_CHECKSUM_IS_CRC32) + if (section->flags & APE_SECTION_FLAG_CHECKSUM_IS_CRC32) { printf(" crc32\n"); } - printf(" %s\n", section->flags & APE_SECTION_FLAG_CODE ? "code" : "data"); - if(section->flags & APE_SECTION_FLAG_UNK0) + printf(" %s\n", + section->flags & APE_SECTION_FLAG_CODE ? "code" : "data"); + if (section->flags & APE_SECTION_FLAG_UNK0) { printf(" unknown\n"); } - if(section->flags & APE_SECTION_FLAG_ZERO_ON_FAST_BOOT) + if (section->flags & APE_SECTION_FLAG_ZERO_ON_FAST_BOOT) { printf(" bss\n"); } @@ -204,99 +200,97 @@ int main(int argc, char const *argv[]) inBufferSize = section->compressedSize; outBufferPtr = (uint8_t *)malloc(section->decompressedSize); outBufferSize = section->decompressedSize; - out_length = decompress(outBufferPtr, outBufferSize, inBufferPtr, inBufferSize); + out_length = + decompress(outBufferPtr, outBufferSize, inBufferPtr, inBufferSize); calculated_crc = NVRam_crc(outBufferPtr, outBufferSize, 0); printf("out_length: 0x%08zX\n", out_length); printf("out CRC: 0x%08X\n", calculated_crc); - if(ape.header.sections == 4 && i == 0) continue; - if(section->flags & APE_SECTION_FLAG_ZERO_ON_FAST_BOOT) + if (ape.header.sections == 4 && i == 0) + continue; + if (section->flags & APE_SECTION_FLAG_ZERO_ON_FAST_BOOT) { - bss_sec->set_data((const char*)outBufferPtr, out_length); - bss_seg->set_type( PT_LOAD ); - bss_seg->set_virtual_address( section->loadAddr ); - bss_seg->set_physical_address( section->loadAddr ); - bss_seg->set_flags( PF_W | PF_R ); - bss_seg->set_align( 0x4 ); + bss_sec->set_data((const char *)outBufferPtr, out_length); + bss_seg->set_type(PT_LOAD); + bss_seg->set_virtual_address(section->loadAddr); + bss_seg->set_physical_address(section->loadAddr); + bss_seg->set_flags(PF_W | PF_R); + bss_seg->set_align(0x4); // Add data section into data segment - bss_seg->add_section_index( bss_sec->get_index(), bss_sec->get_addr_align() ); + bss_seg->add_section_index(bss_sec->get_index(), + bss_sec->get_addr_align()); } - else if(!(section->flags & APE_SECTION_FLAG_CODE)) + else if (!(section->flags & APE_SECTION_FLAG_CODE)) { - data_sec->set_data((const char*)outBufferPtr, out_length); - data_seg->set_type( PT_LOAD ); - data_seg->set_virtual_address( section->loadAddr ); - data_seg->set_physical_address( section->loadAddr ); - data_seg->set_flags( PF_W | PF_R ); - data_seg->set_align( 0x4 ); + data_sec->set_data((const char *)outBufferPtr, out_length); + data_seg->set_type(PT_LOAD); + data_seg->set_virtual_address(section->loadAddr); + data_seg->set_physical_address(section->loadAddr); + data_seg->set_flags(PF_W | PF_R); + data_seg->set_align(0x4); // Add data section into data segment - data_seg->add_section_index( data_sec->get_index(), data_sec->get_addr_align() ); + data_seg->add_section_index(data_sec->get_index(), + data_sec->get_addr_align()); } else { - text_sec->set_data((const char*)outBufferPtr, out_length); - text_seg->set_type( PT_LOAD ); - text_seg->set_virtual_address( section->loadAddr ); - text_seg->set_physical_address( section->loadAddr ); - text_seg->set_flags( PF_X | PF_R ); - text_seg->set_align( 0x4 ); + text_sec->set_data((const char *)outBufferPtr, out_length); + text_seg->set_type(PT_LOAD); + text_seg->set_virtual_address(section->loadAddr); + text_seg->set_physical_address(section->loadAddr); + text_seg->set_flags(PF_X | PF_R); + text_seg->set_align(0x4); // Add code section into program segment - text_seg->add_section_index( text_sec->get_index(), text_sec->get_addr_align() ); - + text_seg->add_section_index(text_sec->get_index(), + text_sec->get_addr_align()); } } - if(options.is_set("output")) + if (options.is_set("output")) { // REcord entry-point address writer.set_entry(ape.header.entrypoint); // Create string table section - section* str_sec = writer.sections.add( ".strtab" ); - str_sec->set_type ( SHT_STRTAB ); + section *str_sec = writer.sections.add(".strtab"); + str_sec->set_type(SHT_STRTAB); // Create string table writer - string_section_accessor stra( str_sec ); + string_section_accessor stra(str_sec); // Create symbol table section - section* sym_sec = writer.sections.add( ".symtab" ); - sym_sec->set_type ( SHT_SYMTAB ); - sym_sec->set_info ( 2 ); - sym_sec->set_addr_align( 0x4 ); - sym_sec->set_entry_size( writer.get_default_entry_size( SHT_SYMTAB ) ); - sym_sec->set_link ( str_sec->get_index() ); + section *sym_sec = writer.sections.add(".symtab"); + sym_sec->set_type(SHT_SYMTAB); + sym_sec->set_info(2); + sym_sec->set_addr_align(0x4); + sym_sec->set_entry_size(writer.get_default_entry_size(SHT_SYMTAB)); + sym_sec->set_link(str_sec->get_index()); // Create symbol table writer - symbol_section_accessor syma( writer, sym_sec ); - + symbol_section_accessor syma(writer, sym_sec); // Add label name - Elf32_Word _start = stra.add_string( ENTRYPOINT_SYMBOL ); - Elf32_Word _thumb = stra.add_string( THUMB_CODE_SYMBOL ); - Elf32_Word _version = stra.add_string( VERSION_SYMBOL ); + Elf32_Word _start = stra.add_string(ENTRYPOINT_SYMBOL); + Elf32_Word _thumb = stra.add_string(THUMB_CODE_SYMBOL); + Elf32_Word _version = stra.add_string(VERSION_SYMBOL); // Add symbol entry - syma.add_symbol( _start, ape.header.entrypoint, 0, STB_GLOBAL, - STT_FUNC, 0, - text_sec->get_index() ); - - syma.add_symbol( _thumb, ape.header.entrypoint & 0xfffffffe, 0, STB_LOCAL, - STT_OBJECT, 0, - text_sec->get_index() ); + syma.add_symbol(_start, ape.header.entrypoint, 0, STB_GLOBAL, STT_FUNC, + 0, text_sec->get_index()); - syma.add_symbol( _version, ape.header.version, 0, STB_GLOBAL, - STT_OBJECT, 0, - text_sec->get_index() ); + syma.add_symbol(_thumb, ape.header.entrypoint & 0xfffffffe, 0, + STB_LOCAL, STT_OBJECT, 0, text_sec->get_index()); - uint32_t* vectors = (uint32_t*)text_sec->get_data(); - Elf32_Word index = stra.add_string( STACK_END_SYMBOL ); - syma.add_symbol( index, vectors[0], 0, STB_GLOBAL, - STT_OBJECT, 0, - data_sec->get_index() ); + syma.add_symbol(_version, ape.header.version, 0, STB_GLOBAL, STT_OBJECT, + 0, text_sec->get_index()); + uint32_t *vectors = (uint32_t *)text_sec->get_data(); + Elf32_Word index = stra.add_string(STACK_END_SYMBOL); + syma.add_symbol(index, vectors[0], 0, STB_GLOBAL, STT_OBJECT, 0, + data_sec->get_index()); // Create ELF file writer.save(options["output"]); |
