lxdream 0.9.1| filename | src/loader.c |
| changeset | 736:a02d1475ccfd |
| prev | 561:533f6b478071 |
| next | 825:2ac7ceccd775 |
| author | nkeynes |
| date | Mon Jul 21 00:08:34 2008 +0000 (15 years ago) |
| permissions | -rw-r--r-- |
| last change | Add gettext.h and build sanely without libintl if it's not available Remove x86dasm's config.h & opintl.h (no longer needed and actually wrong) |
| file | annotate | diff | log | raw |
1.1 --- a/src/loader.c Tue Jan 01 05:08:38 2008 +00001.2 +++ b/src/loader.c Mon Jul 21 00:08:34 2008 +00001.3 @@ -19,6 +19,7 @@1.5 #include <unistd.h>1.6 #include <stdio.h>1.7 +#include <string.h>1.8 #include <fcntl.h>1.9 #include <sys/stat.h>1.10 #include <errno.h>1.11 @@ -33,9 +34,9 @@1.12 char bootstrap_magic[32] = "SEGA SEGAKATANA SEGA ENTERPRISES";1.13 char iso_magic[6] = "\001CD001";1.14 char *file_loader_extensions[][2] = {1.15 - { "sbi", "Self Boot Inducer" },1.16 - { "bin", "SH4 Bin file" },1.17 - { NULL, NULL } };1.18 + { "sbi", "Self Boot Inducer" },1.19 + { "bin", "SH4 Bin file" },1.20 + { NULL, NULL } };1.22 #define BOOTSTRAP_LOAD_ADDR 0x8C0080001.23 #define BOOTSTRAP_SIZE 327681.24 @@ -53,14 +54,14 @@1.25 char buf[32];1.26 struct stat st;1.27 gboolean result = TRUE;1.28 -1.29 +1.30 int fd = open( filename, O_RDONLY );1.31 if( fd == -1 ) {1.32 return FALSE;1.33 }1.34 -1.35 +1.36 fstat( fd, &st );1.37 -1.38 +1.39 /* begin magic */1.40 if( read( fd, buf, 32 ) != 32 ) {1.41 ERROR( "Unable to read from file '%s'", filename );1.42 @@ -74,7 +75,7 @@1.43 lseek( fd, 0, SEEK_SET );1.44 read( fd, load, BOOTSTRAP_SIZE );1.45 bootstrap_dump( load, TRUE );1.46 - dreamcast_program_loaded( filename, BOOTSTRAP_LOAD_ADDR + 0x300 );1.47 + dreamcast_program_loaded( filename, BOOTSTRAP_LOAD_ADDR + 0x300 );1.48 } else {1.49 /* look for a valid ISO9660 header */1.50 lseek( fd, 32768, SEEK_SET );1.51 @@ -82,23 +83,23 @@1.52 if( memcmp( buf, iso_magic, 6 ) == 0 ) {1.53 /* Alright, got it */1.54 INFO( "Loading ISO9660 filesystem from '%s'",1.55 - filename );1.56 + filename );1.57 }1.58 }1.59 } else if( memcmp( buf, "PK\x03\x04", 4 ) == 0 ) {1.60 - /* ZIP file, aka SBI file */1.61 - WARN( "SBI files not supported yet" );1.62 - result = FALSE;1.63 + /* ZIP file, aka SBI file */1.64 + WARN( "SBI files not supported yet" );1.65 + result = FALSE;1.66 } else if( memcmp( buf, DREAMCAST_SAVE_MAGIC, 16 ) == 0 ) {1.67 - /* Save state */1.68 - result = (dreamcast_load_state( filename )==0);1.69 + /* Save state */1.70 + result = (dreamcast_load_state( filename )==0);1.71 } else if( buf[0] == 0x7F && buf[1] == 'E' &&1.72 - buf[2] == 'L' && buf[3] == 'F' ) {1.73 - /* ELF binary */1.74 - lseek( fd, 0, SEEK_SET );1.75 - result = file_load_elf_fd( filename, fd );1.76 + buf[2] == 'L' && buf[3] == 'F' ) {1.77 + /* ELF binary */1.78 + lseek( fd, 0, SEEK_SET );1.79 + result = file_load_elf_fd( filename, fd );1.80 } else {1.81 - result = FALSE;1.82 + result = FALSE;1.83 }1.84 close(fd);1.85 return result;1.86 @@ -108,13 +109,13 @@1.87 {1.88 const gchar *bootstrap_file = lxdream_get_config_value(CONFIG_BOOTSTRAP);1.89 if( bootstrap_file != NULL ) {1.90 - /* Load in a bootstrap before the binary, to initialize everything1.91 - * correctly1.92 - */1.93 + /* Load in a bootstrap before the binary, to initialize everything1.94 + * correctly1.95 + */1.96 if( mem_load_block( bootstrap_file, BOOTSTRAP_LOAD_ADDR, BOOTSTRAP_SIZE ) == 0 ) {1.97 - dreamcast_program_loaded( filename, BOOTSTRAP_LOAD_ADDR+0x300 );1.98 - return;1.99 - }1.100 + dreamcast_program_loaded( filename, BOOTSTRAP_LOAD_ADDR+0x300 );1.101 + return;1.102 + }1.103 }1.104 dreamcast_program_loaded( filename, pc );1.105 }1.106 @@ -124,10 +125,10 @@1.107 {1.108 /* Load the binary itself */1.109 if( mem_load_block( filename, BINARY_LOAD_ADDR, -1 ) == 0 ) {1.110 - file_load_postload( filename, BINARY_LOAD_ADDR );1.111 - return TRUE;1.112 + file_load_postload( filename, BINARY_LOAD_ADDR );1.113 + return TRUE;1.114 } else {1.115 - return FALSE;1.116 + return FALSE;1.117 }1.118 }1.120 @@ -138,32 +139,32 @@1.121 int i;1.123 if( read( fd, &head, sizeof(head) ) != sizeof(head) )1.124 - return FALSE;1.125 + return FALSE;1.126 if( head.e_ident[EI_CLASS] != ELFCLASS32 ||1.127 - head.e_ident[EI_DATA] != ELFDATA2LSB ||1.128 - head.e_ident[EI_VERSION] != 1 ||1.129 - head.e_type != ET_EXEC ||1.130 - head.e_machine != EM_SH ||1.131 - head.e_version != 1 ) {1.132 - ERROR( "File is not an SH4 ELF executable file" );1.133 - return FALSE;1.134 + head.e_ident[EI_DATA] != ELFDATA2LSB ||1.135 + head.e_ident[EI_VERSION] != 1 ||1.136 + head.e_type != ET_EXEC ||1.137 + head.e_machine != EM_SH ||1.138 + head.e_version != 1 ) {1.139 + ERROR( "File is not an SH4 ELF executable file" );1.140 + return FALSE;1.141 }1.143 /* Program headers */1.144 for( i=0; i<head.e_phnum; i++ ) {1.145 - lseek( fd, head.e_phoff + i*head.e_phentsize, SEEK_SET );1.146 - read( fd, &phdr, sizeof(phdr) );1.147 - if( phdr.p_type == PT_LOAD ) {1.148 - lseek( fd, phdr.p_offset, SEEK_SET );1.149 - sh4ptr_t target = mem_get_region( phdr.p_vaddr );1.150 - read( fd, target, phdr.p_filesz );1.151 - if( phdr.p_memsz > phdr.p_filesz ) {1.152 - memset( target + phdr.p_filesz, 0, phdr.p_memsz - phdr.p_filesz );1.153 - }1.154 - INFO( "Loaded %d bytes to %08X", phdr.p_filesz, phdr.p_vaddr );1.155 - }1.156 + lseek( fd, head.e_phoff + i*head.e_phentsize, SEEK_SET );1.157 + read( fd, &phdr, sizeof(phdr) );1.158 + if( phdr.p_type == PT_LOAD ) {1.159 + lseek( fd, phdr.p_offset, SEEK_SET );1.160 + sh4ptr_t target = mem_get_region( phdr.p_vaddr );1.161 + read( fd, target, phdr.p_filesz );1.162 + if( phdr.p_memsz > phdr.p_filesz ) {1.163 + memset( target + phdr.p_filesz, 0, phdr.p_memsz - phdr.p_filesz );1.164 + }1.165 + INFO( "Loaded %d bytes to %08X", phdr.p_filesz, phdr.p_vaddr );1.166 + }1.167 }1.168 -1.169 +1.170 file_load_postload( filename, head.e_entry );1.171 return TRUE;1.172 }
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