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//! Kata type definitions
const attachment = @import("attachment.zig");
const kata_const = @import("../common/constants/kata.zig");
const kata_limits = @import("../common/limits/kata.zig");
pub const State = enum {
Born, // Just created, being initialized
Alive, // Ready to run, waiting for scheduler
Flowing, // Currently executing
Stalled, // Waiting for child/event
Frozen, // Blocked on I/O
Dying, // Exit called, cleanup starting
Zombie, // Exited, awaiting Shinigami
Dissolved, // Gone, slot reusable
};
pub const Mode = enum {
Persona, // Normal user process - can be reaped
Protected, // System process - page tables are protected
};
pub const Context = packed struct {
rax: u64,
rbx: u64,
rcx: u64,
rdx: u64,
rsi: u64,
rdi: u64,
rbp: u64,
rsp: u64,
r8: u64,
r9: u64,
r10: u64,
r11: u64,
r12: u64,
r13: u64,
r14: u64,
r15: u64,
rip: u64,
rflags: u64,
cs: u64,
ss: u64,
pub fn init() Context {
return Context{
.rax = 0,
.rbx = 0,
.rcx = 0,
.rdx = 0,
.rsi = 0,
.rdi = 0,
.rbp = 0,
.rsp = 0,
.r8 = 0,
.r9 = 0,
.r10 = 0,
.r11 = 0,
.r12 = 0,
.r13 = 0,
.r14 = 0,
.r15 = 0,
.rip = 0,
.rflags = kata_const.KERNEL_RFLAGS,
.cs = 0,
.ss = 0,
};
}
};
pub const Kata = struct {
id: u32,
state: State,
mode: Mode,
context: Context,
page_table: u64,
stack_top: u64,
user_stack_top: u64,
user_stack_bottom: u64,
user_stack_committed: u64,
attachments: [kata_limits.MAX_ATTACHMENTS]?*attachment.Attachment,
current_location: [kata_limits.MAX_LOCATION_LENGTH]u8,
current_location_len: usize,
current_cluster: u64,
parent_id: u32,
letter_type: u8,
letter_data: ?[*]u8,
letter_len: u16,
letter_capacity: u16,
vruntime: u64,
weight: u32,
last_run: u64,
next: ?*Kata,
waiting_for: u32,
exit_code: u64,
};
pub const InterruptContext = packed struct {
r15: u64,
r14: u64,
r13: u64,
r12: u64,
r11: u64,
r10: u64,
r9: u64,
r8: u64,
rbp: u64,
rdi: u64,
rsi: u64,
rdx: u64,
rcx: u64,
rbx: u64,
rax: u64,
int_num: u64,
error_code: u64,
rip: u64,
cs: u64,
rflags: u64,
rsp: u64,
ss: u64,
};
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