void INI::load_string(const chowstring & data, bool merge)
{
#ifndef CHOWDREN_AUTOSAVE_ON_CHANGE
if (auto_save && changed)
save_file(false);
#endif
if (!merge)
reset(false);
int e = ini_parse_string(data, _parse_handler, this);
if (e != 0) {
std::cout << "INI load failed with code " << e << std::endl;
}
}
EFI_STATUS efi_main(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable)
{
InitializeLib(ImageHandle, SystemTable);
CallConstructors();
EFI_STATUS Status;
const char16_t* searchdir = u"\\EFI\\ChaiOS\\";
if (Status = SetWorkingDirectory(searchdir))
printf(u"Error setting working directory: %s\r\n", getError(Status));
CHAIOS_BOOT_FILES* bootfile = nullptr;
while (bootfile = iterateBootFiles(bootfile))
{
if (bootfile->loadLocation != nullptr)
continue; //Support in-memory images
EFI_FILE* file = OpenFile(bootfile->fileName, "r");
if (!file)
{
printf(u"Error: could not open %s: %s\r\n", bootfile->fileName, getError(getErrno()));
}
UINT64 fileSize = GetFileSize(file);
VOID* bootfilebuf = kmalloc(fileSize+1);
UINTN read = ReadFile(bootfilebuf, 1, fileSize, file);
if (read < fileSize)
printf(u"Read %d bytes, failed\r\n", read);
else
printf(u"Successfully read %d bytes\r\n", read);
//Boot file is now loaded into memory
CloseFile(file);
bootfile->loadLocation = bootfilebuf;
bootfile->fileSize = fileSize;
if (bootfile->bootType == CHAIOS_BOOT_CONFIGURATION)
{
//We need to parse this now. INI format
((char*)bootfilebuf)[fileSize] = '\0';
ini_parse_string((const char*)bootfilebuf, &bootini_handler, nullptr);
}
}
//size_t value = GetIntegerInput(u"Enter scrolling lines configuration: ");
//set_scrolllines(value);
UINT32 AutoMode = IterateGraphicsMode(&match_config_resoultion);
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION* info; UINTN SizeOfInfo;
if (AutoMode == UINT32_MAX)
{
if (!EFI_ERROR(GetGraphicsModeInfo(AutoMode, &info, &SizeOfInfo)))
{
IterateGraphicsMode(&print_graphics_mode);
size_t value = GetIntegerInput(u"Enter boot graphics mode: ");
SetGraphicsMode(value);
AutoMode = value;
}
}
else
{
SetGraphicsMode(AutoMode);
}
if (!EFI_ERROR(GetGraphicsModeInfo(AutoMode, &info, &SizeOfInfo)))
{
printf(u"Graphics mode %d: %dx%d\r\n", AutoMode, info->HorizontalResolution, info->VerticalResolution);
}
puts(u"ChaiOS 0.09 UEFI Loader\r\n");
int majorver = SystemTable->Hdr.Revision / (1 << 16);
int minorver = SystemTable->Hdr.Revision % (1 << 16);
printf(u"Firmware Vendor: %s, version: %d (UEFI:%d.%d)\r\n", SystemTable->FirmwareVendor, SystemTable->FirmwareRevision, majorver, minorver);
//Read ACPI configuration tables
//startup_acpi(SystemTable);
//startup_multiprocessor();
const size_t EARLY_PAGE_STACK_SIZE = 1024*1024;
EFI_PHYSICAL_ADDRESS earlyPhypageStack = 0;
if (EFI_ERROR(SystemTable->BootServices->AllocatePages(AllocateAnyPages, EfiLoaderData, EARLY_PAGE_STACK_SIZE / EFI_PAGE_SIZE, &earlyPhypageStack)))
{
puts(u"Could not allocate page stack\r\n");
return EFI_OUT_OF_RESOURCES;
}
SystemTable->BootServices->SetWatchdogTimer(0, 0, 0, nullptr);
PrepareExitBootServices();
EfiMemoryMap map;
map.MemMapSize = map.MapKey = map.DescriptorSize = map.DescriptorVersion = 0;
SystemTable->BootServices->GetMemoryMap(&map.MemMapSize, nullptr, &map.MapKey, &map.DescriptorSize, &map.DescriptorVersion);
//Give a nice bit of room to spare (memory map can change)
map.MemMapSize += 16 * map.DescriptorSize;
map.memmap = (EFI_MEMORY_DESCRIPTOR*)kmalloc(map.MemMapSize); //Allocate a nice buffer
SystemTable->BootServices->GetMemoryMap(&map.MemMapSize, map.memmap, &map.MapKey, &map.DescriptorSize, &map.DescriptorVersion);
printf(u"EFI Memory Map: Descriptor size %d\n", map.DescriptorSize);
#if 0
//Dump the UEFI memory map to a file for testing
EFI_FILE* file = OpenFile(u"efimap.dat", "w");
if (!file)
{
printf(u"Error: could not open %s: %s\r\n", u"efimap.dat", getError(getErrno()));
}
WriteFile(map.memmap, 1, map.MemMapSize, file);
CloseFile(file);
#endif
if (EFI_ERROR(Status = SystemTable->BootServices->ExitBootServices(ImageHandle, map.MapKey)))
{
printf(u"Failed to exit boot services: %s\r\n", getError(Status));
UINTN index;
SystemTable->BootServices->WaitForEvent(1, &SystemTable->ConIn->WaitForKey, &index);
return EFI_SUCCESS;
}
//We need to take control of the hardware now. Setup basic memory management
setLiballocAllocator(nullptr, nullptr);
InitializePmmngr(map, (void*)earlyPhypageStack, EARLY_PAGE_STACK_SIZE);
puts(u"Physical memory manager intialized\n");
arch_initialize_paging();
puts(u"Paging initialized\n");
setLiballocAllocator(&arch_allocate_pages, &arch_free_pages);
//Now load the OS!
bootfile = nullptr;
kimage_entry kentry = nullptr;
KLOAD_HANDLE kernel = NULL;
while (bootfile = iterateBootFiles(bootfile))
{
printf(u"Boot file: %s @ %x, length %d, type %d\n", bootfile->fileName, bootfile->loadLocation, bootfile->fileSize, bootfile->bootType);
if (!bootfile->loadLocation)
continue;
if (bootfile->bootType == CHAIOS_DLL)
{
KLOAD_HANDLE dll = LoadImage(bootfile->loadLocation, bootfile->fileName);
if (GetProcAddress(dll, "memcpy"))
{
set_memcpy((memcpy_proc)GetProcAddress(dll, "memcpy"));
}
}
else if (bootfile->bootType == CHAIOS_KERNEL)
{
kernel = LoadImage(bootfile->loadLocation, bootfile->fileName);
kentry = GetEntryPoint(kernel);
}
}
size_t kstacksize = GetStackSize(kernel);
if (!paging_map(stackaddr, PADDR_T_MAX, kstacksize, PAGE_ATTRIBUTE_WRITABLE))
{
puts(u"Error: could not allocate kernel stack\n");
while (1);
}
KERNEL_BOOT_INFO bootinfo;
fill_pmmngr_info(bootinfo.pmmngr_info);
fill_arch_paging_info(bootinfo.paging_info);
fill_modloader_info(bootinfo.modloader_info);
get_framebuffer_info(bootinfo.fbinfo);
populate_kterm_info(bootinfo.kterm_status);
bootinfo.efi_system_table = SystemTable;
bootinfo.memory_map = ↦
bootinfo.loaded_files = &bootfiles;
bootinfo.boottype = CHAIOS_BOOT_TYPE_UEFI;
bootinfo.printf_proc = &printf;
bootinfo.puts_proc = &puts;
printf(u"Success: Kernel entry point at %x, stack at %x, length %x\n", kentry, stackaddr, kstacksize);
call_kernel(&bootinfo, kentry, stackaddr, kstacksize);
puts(u"Kernel returned");
while (1);
}
void INI::load_file(const chowstring & fn, bool read_only, bool merge,
bool overwrite)
{
chowstring new_filename = convert_path(fn);
#ifdef CHOWDREN_CACHE_INI
if (new_filename == filename)
return;
#endif
#ifndef CHOWDREN_AUTOSAVE_ON_CHANGE
if (auto_save && changed)
save_file(false);
#endif
this->read_only = read_only;
filename = new_filename;
#ifdef CHOWDREN_USE_BLOWFISH_CACHE
const chowstring & cache = BlowfishObject::get_cache(filename);
if (!cache.empty()) {
std::cout << "Using Blowfish cache for " << filename << std::endl;
load_string(cache, merge);
return;
}
#endif
#ifdef CHOWDREN_CACHE_INI
chowstring cache_key = filename;
to_lower(cache_key);
data = &ini_cache[cache_key];
is_global = true;
if (!data->empty())
return;
#else
if (!merge)
reset(false);
#endif
std::cout << "Loading " << filename << " (" << get_name() << ")"
<< std::endl;
platform_create_directories(get_path_dirname(filename));
chowstring new_data;
if (!encrypt_key.empty() || use_compression) {
bool decompressed = false;
if (use_compression) {
if (decompress_huffman(filename.c_str(), new_data))
decompressed = true;
}
if (!use_compression || !decompressed) {
if (!read_file(filename.c_str(), new_data))
return;
}
if (!encrypt_key.empty()) {
encrypt_ini_data(new_data, encrypt_key);
}
} else {
if (!read_file(filename.c_str(), new_data))
return;
}
int e = ini_parse_string(new_data, _parse_handler, this);
if (e != 0) {
std::cout << "INI load failed (" << filename << ") with code " << e
<< std::endl;
}
}