128 lines
4.4 KiB
Zig
128 lines
4.4 KiB
Zig
const uefi = @import("std").os.uefi;
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const Event = uefi.Event;
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const Guid = uefi.Guid;
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const Handle = uefi.Handle;
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const TableHeader = uefi.tables.TableHeader;
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/// UEFI Specification, Version 2.8, 4.4
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///
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/// As the boot_services table may grow with new UEFI versions, it is important to check hdr.header_size.
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///
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/// Boot Services must not be used after exitBootServices has been called. The only exception is
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/// getMemoryMap, which may be used after the first unsuccessful call to exitBootServices.
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/// After successfully calling exitBootServices, system_table.console_in_handle, system_table.con_in,
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/// system_table.console_out_handle, system_table.con_out, system_table.standard_error_handle,
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/// system_table.std_err, and system_table.boot_services should be set to null. After setting these
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/// attributes to null, system_table.hdr.crc32 must be recomputed. See UEFI Specification, Version 2.8, 7.4.
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pub const BootServices = extern struct {
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hdr: TableHeader,
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raiseTpl: usize, // TODO
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restoreTpl: usize, // TODO
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allocatePages: usize, // TODO
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freePages: usize, // TODO
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getMemoryMap: extern fn (*usize, [*]MemoryDescriptor, *usize, *usize, *u32) usize,
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allocatePool: extern fn (MemoryType, usize, *align(8) [*]u8) usize,
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freePool: usize, // TODO
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createEvent: extern fn (u32, usize, ?extern fn (Event, ?*const c_void) void, ?*const c_void, *Event) usize,
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setTimer: extern fn (Event, TimerDelay, u64) usize,
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waitForEvent: extern fn (usize, [*]const Event, *usize) usize,
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signalEvent: extern fn (Event) usize,
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closeEvent: extern fn (Event) usize,
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checkEvent: usize, // TODO
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installProtocolInterface: usize, // TODO
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reinstallProtocolInterface: usize, // TODO
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uninstallProtocolInterface: usize, // TODO
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handleProtocol: usize, // TODO
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reserved: *c_void,
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registerProtocolNotify: usize, // TODO
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locateHandle: usize, // TODO
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locateDevicePath: usize, // TODO
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installConfigurationTable: usize, // TODO
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imageLoad: usize, // TODO
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imageStart: usize, // TODO
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exit: extern fn (Handle, usize, usize, ?*const c_void) usize,
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imageUnload: usize, // TODO
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exitBootServices: extern fn (Handle, usize) usize,
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getNextMonotonicCount: usize, // TODO
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stall: extern fn (usize) usize,
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setWatchdogTimer: extern fn (usize, u64, usize, ?[*]const u16) usize,
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connectController: usize, // TODO
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disconnectController: usize, // TODO
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openProtocol: usize, // TODO
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closeProtocol: usize, // TODO
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openProtocolInformation: usize, // TODO
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protocolsPerHandle: usize, // TODO
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locateHandleBuffer: usize, // TODO
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locateProtocol: extern fn (*align(8) const Guid, ?*const c_void, *?*c_void) usize,
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installMultipleProtocolInterfaces: usize, // TODO
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uninstallMultipleProtocolInterfaces: usize, // TODO
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calculateCrc32: usize, // TODO
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copyMem: usize, // TODO
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setMem: usize, // TODO
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createEventEx: usize, // TODO
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pub const signature: u64 = 0x56524553544f4f42;
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pub const event_timer: u32 = 0x80000000;
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pub const event_runtime: u32 = 0x40000000;
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pub const event_notify_wait: u32 = 0x00000100;
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pub const event_notify_signal: u32 = 0x00000200;
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pub const event_signal_exit_boot_services: u32 = 0x00000201;
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pub const event_signal_virtual_address_change: u32 = 0x00000202;
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pub const tpl_application: usize = 4;
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pub const tpl_callback: usize = 8;
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pub const tpl_notify: usize = 16;
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pub const tpl_high_level: usize = 31;
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};
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pub const TimerDelay = extern enum(u32) {
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TimerCancel,
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TimerPeriodic,
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TimerRelative,
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};
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pub const MemoryType = extern enum(u32) {
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ReservedMemoryType,
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LoaderCode,
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LoaderData,
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BootServicesCode,
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BootServicesData,
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RuntimeServicesCode,
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RuntimeServicesData,
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ConventionalMemory,
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UnusableMemory,
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ACPIReclaimMemory,
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ACPIMemoryNVS,
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MemoryMappedIO,
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MemoryMappedIOPortSpace,
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PalCode,
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PersistentMemory,
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MaxMemoryType,
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};
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pub const MemoryDescriptor = extern struct {
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type: MemoryType,
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physical_start: u64,
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virtual_start: u64,
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number_of_pages: usize,
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attribute: packed struct {
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uc: bool,
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wc: bool,
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wt: bool,
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wb: bool,
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uce: bool,
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_pad1: u7,
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wp: bool,
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rp: bool,
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xp: bool,
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nv: bool,
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more_reliable: bool,
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ro: bool,
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sp: bool,
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cpu_crypto: bool,
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_pad2: u43,
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memory_runtime: bool,
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},
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};
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