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module uefi;
/*
* EFI_HANDLE alias (sec x.x.x of the UEFI 2.11 specification).
*/
typedef EfiHandle = void*;
/*
* All UEFI strings are wchar_t strings (Wide-Char types).
*/
alias EfiString = ushort[];
alias EfiStringRaw = ushort*;
/*
* ... But ASCII strings can also be used and dynamically converted to wide ones.
*/
alias AsciiString = char[];
alias AsciiStringRaw = char*;
/*
* EFI_EVENT alias (sec 7.1.1 of the UEFI 2.11 specification).
*/
typedef EfiEvent = void*;
/*
* EFI_TABLE_HEADER structure (sec 4.2.1 of the UEFI 2.11 specification).
* The same section contains the following constant expressions
* as well as the EFI_SYSTEM_TABLE structure.
*/
struct EfiTableHeader @packed
{
ulong signature;
uint revision;
uint header_size;
uint crc32;
uint _reserved;
}
const ulong EFI_SYSTEM_TABLE_SIGNATURE = 0x5453595320494249;
const uint EFI_2_100_SYSTEM_TABLE_REVISION = ((2<<16) | (100));
const uint EFI_2_90_SYSTEM_TABLE_REVISION = ((2<<16) | (90));
const uint EFI_2_80_SYSTEM_TABLE_REVISION = ((2<<16) | (80));
const uint EFI_2_70_SYSTEM_TABLE_REVISION = ((2<<16) | (70));
const uint EFI_2_60_SYSTEM_TABLE_REVISION = ((2<<16) | (60));
const uint EFI_2_50_SYSTEM_TABLE_REVISION = ((2<<16) | (50));
const uint EFI_2_40_SYSTEM_TABLE_REVISION = ((2<<16) | (40));
const uint EFI_2_31_SYSTEM_TABLE_REVISION = ((2<<16) | (31));
const uint EFI_2_30_SYSTEM_TABLE_REVISION = ((2<<16) | (30));
const uint EFI_2_20_SYSTEM_TABLE_REVISION = ((2<<16) | (20));
const uint EFI_2_10_SYSTEM_TABLE_REVISION = ((2<<16) | (10));
const uint EFI_2_00_SYSTEM_TABLE_REVISION = ((2<<16) | (00));
const uint EFI_1_10_SYSTEM_TABLE_REVISION = ((1<<16) | (10));
const uint EFI_1_02_SYSTEM_TABLE_REVISION = ((1<<16) | (02));
const uint EFI_SYSTEM_TABLE_REVISION = EFI_2_100_SYSTEM_TABLE_REVISION;
const uint EFI_SPECIFICATION_VERSION = EFI_SYSTEM_TABLE_REVISION;
/* NOTE: Do NOT pack this struct: firmware_revision being 32-bit causes misalignment */
struct SystemTable
{
EfiTableHeader header;
EfiStringRaw firmware_vendor;
uint firmware_revision;
EfiHandle conin_handle;
SimpleTextInputProtocol *conin;
EfiHandle conout_handle;
SimpleTextOutputProtocol *conout;
EfiHandle conerr_handle;
SimpleTextOutputProtocol *conerr;
RuntimeServices *runtime_services;
BootServices *boot_services;
usz num_entries;
ConfigurationTable *configuration_table;
}
/*
* EFI_CONFIGURATION_TABLE structure (sec 4.6.1 of the UEFI 2.11 specification).
*/
struct ConfigurationTable @packed
{
EfiGuid vendor_guid;
void *vendor_table;
}
/* EFI_BOOT_SERVICES structure (4.4.1) */
const ulong EFI_BOOT_SERVICES_SIGNATURE = 0x56524553544f4f42; //'BOOTSERV' <- EightCC
const uint EFI_BOOT_SERVICES_REVISION = EFI_SPECIFICATION_VERSION;
struct BootServices @packed
{
EfiTableHeader header;
/* Task priority services (uefi::proto::evt) */
FnRaiseTpl raise_tpl;
FnRestoreTpl restore_tpl;
/* Memory services (uefi::proto::mem) */
FnAllocatePages allocate_pages;
FnFreePages free_pages;
FnGetMemoryMap get_memory_map;
FnAllocatePool allocate_pool;
FnFreePool free_pool;
/* Event and Timer services (uefi::proto::evt) */
FnCreateEvent create_event;
FnSetTimer set_timer;
FnWaitForEvent wait_for_event;
FnSignalEvent signal_event;
FnCloseEvent close_event;
FnCheckEvent check_event;
/* Protocol Handler services (uefi::proto::handler) */
FnInstallProtocolInterface install_protocol_interface;
FnReinstallProtocolInterface reinstall_protocol_interface;
FnUninstallProtocolInterface uninstall_protocol_interface;
FnHandleProtocol handle_protocol;
void *_reserved; /* alright then */
FnRegisterProtocolNotify register_protocol_notify;
FnLocateHandle locate_handle;
FnLocateDevicePath locate_device_path;
FnInstallConfigurationTable install_configuration_table;
/* Image services (uefi::proto::image) */
FnLoadImage load_image;
FnStartImage start_image;
FnExitImage exit_image;
FnUnloadImage unload_image;
FnExitBootServices exit_boot_services;
/* Misc services (uefi::proto::misc_bs) */
FnGetNextMonotonicCount get_next_monotonic_count;
FnStall stall;
FnSetWatchdogTimer set_watchdog_timer;
/* Driver Support services (uefi::proto::handler) */
FnConnectController connect_controller;
FnDisconnectController disconnect_controller;
/* Open/Close Protocol services (uefi::proto::handler) */
FnOpenProtocol open_protocol;
FnCloseProtocol close_protocol;
FnOpenProtocolInformation open_protocol_information;
/* Library services (uefi::proto::handler) */
FnProtocolsPerHandle protocols_per_handle;
FnLocateHandleBuffer locate_handle_buffer;
FnLocateProtocol locate_protocol;
FnInstallMultipleProtocolInterfaces install_multiple_protocol_interfaces;
FnUninstallMultipleProtocolInterfaces uninstall_multiple_protocol_interfaces;
/* 32-bit CRC services (uefi::proto::misc_bs) */
FnCalculateCrc32 calculate_crc32;
/* More misc/trailing services */
FnCopyMem copy_mem;
FnSetMem set_mem;
FnCreateEventEx create_event_ex;
}
struct RuntimeServices @packed
{
EfiTableHeader header;
/* Time services (uefi::proto::time) */
FnGetTime get_time;
FnSetTime set_time;
FnGetWakeupTime get_wakeup_time;
FnSetWakeupTime set_wakeup_time;
/* Virtual Memory services (uefi::proto::mem) */
FnSetVirtualAddressMap set_virtual_address_map;
FnConvertPointer convert_pointer;
/* Variable services (uefi::proto::variable) */
FnGetVariable get_variable;
FnGetNextVariableName get_next_variable_name;
FnSetVariable set_variable;
/* Miscellaneous and Capsule services (uefi::proto::misc_rt) */
FnGetNextHighMonotonicCount get_next_high_monotonic_count;
FnResetSystem reset_system;
FnUpdateCapsule update_capsule;
FnQueryCapsuleCapabilities query_capsule_capabilities;
FnQueryVariableInfo query_variable_info;
}
/*
* EFI_GUID structure (sec x.x.x of the UEFI 2.11 specification).
*/
struct EfiGuid @packed
{
uint data1;
ushort data2;
ushort data3;
char[8] data4;
}
/*
* EFI_TIME structure (sec 8.3.1 of the UEFI 2.11 specification).
*/
struct EfiTime @packed
{
ushort year;
char month;
char day;
char hour;
char minute;
char second;
char _pad1;
uint nanosecond;
short timezone;
EfiDaylightFlags daylight;
char _pad2;
}
bitstruct EfiDaylightFlags : char
{
bool adjust : 0;
bool in_daylight : 1;
char reserved : 2..7;
}
const short EFI_UNSPECIFIED_TIMEZONE = 0x07FF;
/*
* EFI_TIME_CAPABILITIES (sec 8.3.1 of the UEFI 2.11 specification).
*/
struct EfiTimeCapabilities @packed
{
uint resolution;
uint accuracy;
bool sets_to_zero;
}
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