void ActionLaunchElf(const char * filename) {
char * elf = NULL;
// read file by chunk
FILE * f = fopen(filename, "rb");
int size = 0;
int chunk = 65536;
float pct = 0.0f;
//FileIsElf(filename);
if (f) {
// get the file size
fseek(f, 0, SEEK_END);
size = ftell(f);
// 0
fseek(f, 0, SEEK_SET);
if (size == 0)
return;
elf = (char*) malloc(size);
for (int i = 0; i < size; i += fread(elf + i, 1, chunk, f)) {
pct = ((float) i / (float) (size));
App.SetProgressValue(pct);
}
fclose(f);
// read elf header ...
unsigned int elf_header = 0x7F454C46;
if (memcmp(&elf_header, elf, 4) == 0) {
elf_runFromMemory(elf, size);
} else {
App.Alert("Not a valid elf !!");
}
}
fclose(f);
}
int main(){
// Init console and video
videoInit();
// Create FILE type for our elf to load from USB to memory address
FILE *elfFile = fopen("uda:/xenon.elf32", "rb");
// Get the size of the elf
fseek(elfFile, 0, SEEK_END);
elfSize = ftell(elfFile);
rewind(elfFile);
/* Now that we have all the info we need about the file,
we can read the executeable into the memory address
we defined at the top of the file.
*/
fread(&elfPosition[elfSize], 1, elfSize, elfFile);
// Execute the elf from the memory address
elf_runFromMemory(elfPosition, elfSize);
}