refactor: slightly refactor amd64

src/platform/boot/limine/entry.zig

@@ -0,0 +1,24 @@
+const b = @import("base");
+const ksyms = @import("ksyms");
+
+const pl = b.pl;
+const ke = b.ke;
+const ki = ke.private;
+
+pub const std_options = b.std_options;
+pub const panic = b.panic;
+
+const std = @import("std");
+
+var boot_info: pl.BootInfo = undefined;
+
+export fn kmain() callconv(.c) void {
+    boot_info.memory_map.entry_count = 0;
+
+    var cpus: [1]*ke.Cpu = .{&ke.private.bootstrap_cpu};
+
+    ke.ncpus = 1;
+    ke.cpus = &cpus;
+
+    ki.init(&boot_info);
+}