1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
//! TSS Structure Type
pub const Tss = extern struct {
reserved_0: u32 = 0,
rsp0: u64 = 0,
rsp1: u64 = 0,
rsp2: u64 = 0,
reserved_1: u64 = 0,
ist1: u64 = 0,
ist2: u64 = 0,
ist3: u64 = 0,
ist4: u64 = 0,
ist5: u64 = 0,
ist6: u64 = 0,
ist7: u64 = 0,
reserved_2: u64 = 0,
reserved_3: u16 = 0,
iopb_offset: u16 = @sizeOf(Tss),
pub fn set_rsp0(self: *Tss, stack_top: u64) void {
self.rsp0 = stack_top;
}
pub fn set_rsp1(self: *Tss, stack_top: u64) void {
self.rsp1 = stack_top;
}
pub fn set_rsp2(self: *Tss, stack_top: u64) void {
self.rsp2 = stack_top;
}
pub fn set_ist(self: *Tss, index: u8, stack_top: u64) void {
switch (index) {
1 => self.ist1 = stack_top,
2 => self.ist2 = stack_top,
3 => self.ist3 = stack_top,
4 => self.ist4 = stack_top,
5 => self.ist5 = stack_top,
6 => self.ist6 = stack_top,
7 => self.ist7 = stack_top,
else => {},
}
}
pub fn get_ist(self: *const Tss, index: u8) u64 {
return switch (index) {
1 => self.ist1,
2 => self.ist2,
3 => self.ist3,
4 => self.ist4,
5 => self.ist5,
6 => self.ist6,
7 => self.ist7,
else => 0,
};
}
pub fn get_address(self: *const Tss) u64 {
return @intFromPtr(self);
}
pub fn clear(self: *Tss) void {
self.* = Tss{};
}
};
comptime {
if (@sizeOf(Tss) != 104) {
@compileError("TSS size must be 104 bytes");
}
}
|
