Commit f4767186dd34118a27c205fe481b42c33e7ba0d3 | zig

author	Nick Erdmann <n@nirf.de> 2019-10-28 23:12:28+01:00
committer	Nick Erdmann <n@nirf.de> 2019-11-07 02:53:53+01:00
log	f4767186dd34118a27c205fe481b42c33e7ba0d3
tree	190cb224846f06894b05da1620487b43172145e2
parent	6fdeaac338f3a4a1f3455653ce29bf6ce4bbe335
signature	Commit is signed but in an unrecognized format.

std/os/uefi: loading images

5 files changed, 98 insertions(+), 4 deletions(-)

lib
- std
  - os
    uefi
    protocols.zig
    protocols
    device_path_protocol.zig
    loaded_image_protocol.zig
    tables
    boot_services.zig
    runtime_services.zig

lib/std/os/uefi/protocols.zig+4

...	...	@@ -1,3 +1,7 @@
	1	pub const LoadedImageProtocol = @import("protocols/loaded_image_protocol.zig").LoadedImageProtocol;
	2
	3	pub const DevicePathProtocol = @import("protocols/device_path_protocol.zig").DevicePathProtocol;
	4
1	5	pub const InputKey = @import("protocols/simple_text_input_ex_protocol.zig").InputKey;
2	6	pub const KeyData = @import("protocols/simple_text_input_ex_protocol.zig").KeyData;
3	7	pub const KeyState = @import("protocols/simple_text_input_ex_protocol.zig").KeyState;

lib/std/os/uefi/protocols/device_path_protocol.zig created+17

...	...	@@ -0,0 +1,17 @@
	1	const uefi = @import("std").os.uefi;
	2	const Guid = uefi.Guid;
	3
	4	pub const DevicePathProtocol = extern struct {
	5	type: u8,
	6	subtype: u8,
	7	length: u16,
	8
	9	pub const guid align(8) = Guid{
	10	.time_low = 0x09576e91,
	11	.time_mid = 0x6d3f,
	12	.time_high_and_version = 0x11d2,
	13	.clock_seq_high_and_reserved = 0x8e,
	14	.clock_seq_low = 0x39,
	15	.node = [_]u8{ 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b },
	16	};
	17	};

lib/std/os/uefi/protocols/loaded_image_protocol.zig created+36

...	...	@@ -0,0 +1,36 @@
	1	const uefi = @import("std").os.uefi;
	2	const Guid = uefi.Guid;
	3	const Handle = uefi.Handle;
	4	const SystemTable = uefi.tables.SystemTable;
	5	const MemoryType = uefi.tables.MemoryType;
	6	const DevicePathProtocol = uefi.protocols.DevicePathProtocol;
	7
	8	pub const LoadedImageProtocol = extern struct {
	9	revision: u32,
	10	parent_handle: Handle,
	11	system_table: *SystemTable,
	12	device_handle: ?Handle,
	13	file_path: *DevicePathProtocol,
	14	reserved: *c_void,
	15	load_options_size: u32,
	16	load_options: *c_void,
	17	image_base: [*]u8,
	18	image_size: u64,
	19	image_code_type: MemoryType,
	20	image_data_type: MemoryType,
	21	_unload: extern fn (*const LoadedImageProtocol, Handle) usize,
	22
	23	/// Unloads an image from memory.
	24	pub fn unload(self: *const LoadedImageProtocol, handle: Handle) usize {
	25	return self._unload(self, handle);
	26	}
	27
	28	pub const guid align(8) = Guid{
	29	.time_low = 0x5b1b31a1,
	30	.time_mid = 0x9562,
	31	.time_high_and_version = 0x11d2,
	32	.clock_seq_high_and_reserved = 0x8e,
	33	.clock_seq_low = 0x3f,
	34	.node = [_]u8{ 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b },
	35	};
	36	};

lib/std/os/uefi/tables/boot_services.zig+33-4

...	...	@@ -3,6 +3,7 @@ const Event = uefi.Event;
3	3	const Guid = uefi.Guid;
4	4	const Handle = uefi.Handle;
5	5	const TableHeader = uefi.tables.TableHeader;
	6	const DevicePathProtocol = uefi.protocols.DevicePathProtocol;
6	7
7	8	/// Boot services are services provided by the system's firmware until the operating system takes
8	9	/// over control over the hardware by calling exitBootServices.
...	...	@@ -17,47 +18,73 @@ const TableHeader = uefi.tables.TableHeader;
17	18	/// As the boot_services table may grow with new UEFI versions, it is important to check hdr.header_size.
18	19	pub const BootServices = extern struct {
19	20	hdr: TableHeader,
	21
20	22	raiseTpl: usize, // TODO
21	23	restoreTpl: usize, // TODO
22	24	allocatePages: usize, // TODO
23	25	freePages: usize, // TODO
	26
24	27	/// Returns the current memory map.
25	28	getMemoryMap: extern fn (usize, []MemoryDescriptor, usize, usize, *u32) usize,
	29
26	30	/// Allocates pool memory.
27	31	allocatePool: extern fn (MemoryType, usize, align(8) []u8) usize,
	32
28	33	freePool: usize, // TODO
	34
29	35	/// Creates an event.
30	36	createEvent: extern fn (u32, usize, ?extern fn (Event, ?const c_void) void, ?const c_void, *Event) usize,
	37
31	38	/// Sets the type of timer and the trigger time for a timer event.
32	39	setTimer: extern fn (Event, TimerDelay, u64) usize,
	40
33	41	/// Stops execution until an event is signaled.
34	42	waitForEvent: extern fn (usize, []const Event, usize) usize,
	43
35	44	/// Signals an event.
36	45	signalEvent: extern fn (Event) usize,
	46
37	47	/// Closes an event.
38	48	closeEvent: extern fn (Event) usize,
	49
39	50	checkEvent: usize, // TODO
40	51	installProtocolInterface: usize, // TODO
41	52	reinstallProtocolInterface: usize, // TODO
42	53	uninstallProtocolInterface: usize, // TODO
43		handleProtocol: usize, // TODO
	54
	55	/// Queries a handle to determine if it supports a specified protocol.
	56	handleProtocol: extern fn (Handle, align(8) const Guid, ?*c_void) usize,
	57
44	58	reserved: *c_void,
	59
45	60	registerProtocolNotify: usize, // TODO
46	61	locateHandle: usize, // TODO
47	62	locateDevicePath: usize, // TODO
48	63	installConfigurationTable: usize, // TODO
49		imageLoad: usize, // TODO
50		imageStart: usize, // TODO
	64
	65	/// Loads an EFI image into memory.
	66	loadImage: extern fn (bool, Handle, ?const DevicePathProtocol, ?[]const u8, usize, *?Handle) usize,
	67
	68	/// Transfers control to a loaded image's entry point.
	69	startImage: extern fn (Handle, ?usize, ?[*]u16) usize,
	70
51	71	/// Terminates a loaded EFI image and returns control to boot services.
52	72	exit: extern fn (Handle, usize, usize, ?*const c_void) usize,
53		imageUnload: usize, // TODO
	73
	74	/// Unloads an image.
	75	unloadImage: extern fn (Handle) usize,
	76
54	77	/// Terminates all boot services.
55	78	exitBootServices: extern fn (Handle, usize) usize,
	79
56	80	getNextMonotonicCount: usize, // TODO
	81
57	82	/// Induces a fine-grained stall.
58	83	stall: extern fn (usize) usize,
	84
59	85	/// Sets the system's watchdog timer.
60	86	setWatchdogTimer: extern fn (usize, u64, usize, ?[*]const u16) usize,
	87
61	88	connectController: usize, // TODO
62	89	disconnectController: usize, // TODO
63	90	openProtocol: usize, // TODO
...	...	@@ -65,8 +92,10 @@ pub const BootServices = extern struct {
65	92	openProtocolInformation: usize, // TODO
66	93	protocolsPerHandle: usize, // TODO
67	94	locateHandleBuffer: usize, // TODO
	95
68	96	/// Returns the first protocol instance that matches the given protocol.
69	97	locateProtocol: extern fn (align(8) const Guid, ?const c_void, ?c_void) usize,
	98
70	99	installMultipleProtocolInterfaces: usize, // TODO
71	100	uninstallMultipleProtocolInterfaces: usize, // TODO
72	101	calculateCrc32: usize, // TODO

lib/std/os/uefi/tables/runtime_services.zig+8

...	...	@@ -14,22 +14,30 @@ const TimeCapabilities = uefi.TimeCapabilities;
14	14	/// Some functions may not be called while other functions are running.
15	15	pub const RuntimeServices = extern struct {
16	16	hdr: TableHeader,
	17
17	18	/// Returns the current time and date information, and the time-keeping capabilities of the hardware platform.
18	19	getTime: extern fn (uefi.Time, ?TimeCapabilities) usize,
	20
19	21	setTime: usize, // TODO
20	22	getWakeupTime: usize, // TODO
21	23	setWakeupTime: usize, // TODO
22	24	setVirtualAddressMap: usize, // TODO
23	25	convertPointer: usize, // TODO
	26
24	27	/// Returns the value of a variable.
25	28	getVariable: extern fn ([]const u16, align(8) const Guid, ?u32, usize, ?*c_void) usize,
	29
26	30	/// Enumerates the current variable names.
27	31	getNextVariableName: extern fn (usize, []u16, *align(8) Guid) usize,
	32
28	33	/// Sets the value of a variable.
29	34	setVariable: extern fn ([]const u16, align(8) const Guid, u32, usize, *c_void) usize,
	35
30	36	getNextHighMonotonicCount: usize, // TODO
	37
31	38	/// Resets the entire platform.
32	39	resetSystem: extern fn (ResetType, usize, usize, ?*const c_void) noreturn,
	40
33	41	updateCapsule: usize, // TODO
34	42	queryCapsuleCapabilities: usize, // TODO
35	43	queryVariableInfo: usize, // TODO