asleepymoon/astryon
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

core: Add an "event queue" to threads using a ring buffer updated by the kernel

Browse Source
This commit is contained in:
Gabriel 2025-02-22 15:39:21 +01:00
parent 960699c984
commit fb8de7b83b
2 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
core/src/arch/cpu.zig
View File

@ -30,6 +30,7 @@ pub fn setupCore(allocator: *pmm.FrameAllocator) !void {
idle_thread.regs = std.mem.zeroes(@TypeOf(idle_thread.regs));
idle_thread.state = .Running;
idle_thread.user_priority = 0;
idle_thread.event_queue = null;
thread.arch.initKernelRegisters(&idle_thread.regs);
thread.arch.setAddress(&idle_thread.regs, @intFromPtr(&thread.arch.idleLoop));

5
core/src/thread.zig
View File

@ -1,10 +1,13 @@
const std = @import("std");
const system = @import("system");
const vmm = @import("arch/vmm.zig").arch;
const platform = @import("arch/platform.zig").arch;
const pmm = @import("pmm.zig");
const cpu = @import("arch/cpu.zig");
const locking = @import("lib/spinlock.zig");
const RingBuffer = system.ring_buffer.RingBuffer;
pub const arch = @import("arch/thread.zig").arch;
pub const ThreadState = enum {
@ -20,6 +23,7 @@ pub const ThreadControlBlock = struct {
regs: platform.Registers,
state: ThreadState,
user_priority: u8,
event_queue: ?RingBuffer,
// Managed by addThreadToGlobalList(), no need to set manually.
tag: GlobalThreadList.Node,
@ -146,6 +150,7 @@ pub fn createThreadControlBlock(allocator: *pmm.FrameAllocator) !*ThreadControlB
thread.regs = std.mem.zeroes(@TypeOf(thread.regs));
thread.state = .Inactive;
thread.user_priority = 127;
thread.event_queue = null;
addThreadToGlobalList(thread);