[hal] Support user space for riscv64 and aarch64 #179
+365
−15
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aarkegz
reviewed
Sep 23, 2024
| @@ -15,6 +15,145 @@ pub struct TrapFrame { | |||
| pub spsr: u64, | |||
| } | |||
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| impl TrapFrame { | |||
| /// Gets the 0th syscall argument. | |||
| pub const fn arg0(&self) -> usize { | |||
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Can we just use pub const fn arg(&self, index: usize) -> usize?
| impl UspaceContext { | ||
| /// Creates an empty context with all registers set to zero. | ||
| pub const fn empty() -> Self { | ||
| unsafe { core::mem::MaybeUninit::zeroed().assume_init() } |
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| /// Context to enter user space. | ||
| #[cfg(feature = "uspace")] | ||
| pub struct UspaceContext(TrapFrame); |
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I think UserSpaceContext is a better name.
| } | ||
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| /// Sets the instruction pointer. | ||
| pub const fn set_ip(&mut self, pc: usize) { |
| @@ -53,6 +53,136 @@ pub struct TrapFrame { | |||
| pub sstatus: usize, | |||
| } | |||
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| impl TrapFrame { | |||
| /// Gets the 0th syscall argument. | |||
| pub const fn arg0(&self) -> usize { | |||
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