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

core: Allocate a stack for each core's idle thread

Browse Source
This commit is contained in:
Gabriel 2025-02-16 11:57:27 +01:00
parent 4554bce8a8
commit a209ba7b99
1 changed files with 5 additions and 0 deletions

5
core/src/arch/cpu.zig

@ -3,6 +3,7 @@ const target = @import("builtin").target;
const thread = @import("../thread.zig");
const pmm = @import("../pmm.zig");
const vmm = @import("vmm.zig").arch;
const platform = @import("platform.zig").arch;
pub const arch = switch (target.cpu.arch) {
.x86_64 => @import("x86_64/cpu.zig"),
@ -26,11 +27,15 @@ pub fn setupCore(allocator: *pmm.FrameAllocator) !void {
idle_thread.id = 0;
idle_thread.directory = null;
idle_thread.regs = std.mem.zeroes(@TypeOf(idle_thread.regs));
idle_thread.state = .Running;
thread.arch.initKernelRegisters(&idle_thread.regs);
thread.arch.setAddress(&idle_thread.regs, @intFromPtr(&thread.arch.idleLoop));
core.thread_list.append(&core.idle_thread);
const stack = try pmm.allocFrame(allocator);
thread.arch.setStack(&idle_thread.regs, stack.virtualAddress(vmm.PHYSICAL_MAPPING_BASE) + (platform.PAGE_SIZE - 16));
this_core = core;
}