From 469d1ed261943fb312767c0052ac1b09f06d6cd5 Mon Sep 17 00:00:00 2001 From: Tianhao Wang Date: Wed, 5 Jun 2024 08:01:45 +0200 Subject: proc: add basic task struct Signed-off-by: Tianhao Wang --- src/proc/task.rs | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 src/proc/task.rs (limited to 'src/proc/task.rs') diff --git a/src/proc/task.rs b/src/proc/task.rs new file mode 100644 index 0000000..0ff2065 --- /dev/null +++ b/src/proc/task.rs @@ -0,0 +1,13 @@ +use crate::arch::x86_64::arch_regs; + +/// currently only kernelSp and Context are important. +/// the task struct will be placed on the starting addr (low addr) of the kernel stack. +/// therefore we can retrive the task struct at anytime by masking the kernel stack +#[repr(C)] +#[repr(packed)] +pub struct Task { + pub task_id: u32, + pub kernel_stack: u64, + pub user_stack: u64, + pub context: arch_regs::Context64, +} -- cgit v1.2.3-70-g09d2