Struct TdxTrampolineContext

#[repr(C)]
pub struct TdxTrampolineContext {

    pub mailbox_command: u16,
    pub mailbox_reserved: u16,
    pub mailbox_apic_id: u32,
    pub mailbox_wakeup_vector: u64,
    pub padding_1: u32,
    pub data_selector: u16,
    pub static_gdt_limit: u16,
    pub static_gdt_base: u32,
    pub task_selector: u16,
    pub idtr_limit: u16,
    pub idtr_base: u64,
    pub initial_rip: u64,
    pub code_selector: u16,
    pub padding_2: [u16; 2],
    pub gdtr_limit: u16,
    pub gdtr_base: u64,
    pub rsp: u64,
    pub rbp: u64,
    pub rsi: u64,
    pub r8: u64,
    pub r9: u64,
    pub r10: u64,
    pub r11: u64,
    pub cr0: u64,
    pub cr3: u64,
    pub cr4: u64,
    pub transition_cr3: u32,
    pub padding_3: u32,
    pub static_gdt: [u8; 16],
}

This structure describes the initial state of the TD VP. When a VP (both BSP and AP) starts at ResetVector (RV), this is loaded at the beginning of the RV page. Fields in the trampoline context must be loaded from memory by the trampoline code.

Note that this trampoline context must also be used for bringing up APs, as the code placed in the reset vector will use this format to figure out what register state to load.

Fields

mailbox_command: u16

Mailbox command

mailbox_reserved: u16

Reserved

mailbox_apic_id: u32

Mailbox APIC ID

mailbox_wakeup_vector: u64

AP wakeup vector

padding_1: u32

Padding

data_selector: u16

Data selector

static_gdt_limit: u16

Static GDT limit

static_gdt_base: u32

Static GDT base

task_selector: u16

Task selector

idtr_limit: u16

IDTR limit

idtr_base: u64

IDTR base

initial_rip: u64

Initial RIP

code_selector: u16

CS

padding_2: [u16; 2]

Padding

gdtr_limit: u16

GDTR limit

gdtr_base: u64

GDTR base

rsp: u64

RSP

rbp: u64

RBP

rsi: u64

RSI

r8: u64

R8

r9: u64

R9

r10: u64

R10

r11: u64

R11

cr0: u64

CR0

cr3: u64

CR3

cr4: u64

CR4

transition_cr3: u32

Transistion CR3

padding_3: u32

Padding

static_gdt: [u8; 16]

Statuc GDT

Trait Implementations

impl Clone for TdxTrampolineContext

fn clone(&self) -> TdxTrampolineContext

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TdxTrampolineContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TdxTrampolineContext

fn default() -> TdxTrampolineContext

Returns the “default value” for a type.

impl IntoBytes for TdxTrampolineContext

where u16: IntoBytes, u32: IntoBytes, u64: IntoBytes, [u16; 2]: IntoBytes, [u8; 16]: IntoBytes, (): PaddingFree<Self, { _ }>,

fn as_bytes(&self) -> &[u8]

where Self: Immutable,

Gets the bytes of this value.

fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>

where Self: Immutable,

Writes a copy of self to dst.

fn write_to_prefix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>

where Self: Immutable,

Writes a copy of self to the prefix of dst.

fn write_to_suffix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>

where Self: Immutable,

Writes a copy of self to the suffix of dst.

impl Copy for TdxTrampolineContext

impl Immutable for TdxTrampolineContext

where u16: Immutable, u32: Immutable, u64: Immutable, [u16; 2]: Immutable, [u8; 16]: Immutable,