ke: rework kernel initialization

src/ex/init.zig

@@ -11,8 +11,7 @@ const rtl = @import("rtl");
 // XXX
 const fbconsole = @import("../dev/fbconsole.zig");
 
-export fn kmain(boot_info: *r.BootInfo) callconv(.c) void {
-    ke.init(boot_info);
+pub fn init() void {
     mm.init();
     ps.init();
 
@@ -23,11 +22,11 @@ export fn kmain(boot_info: *r.BootInfo) callconv(.c) void {
     exp.console.init();
     exp.string.init();
 
-    if (boot_info.cmdline) |cline| {
+    if (r.boot_info.cmdline) |cline| {
         if (rtl.cmdline.get_string(cline, "test")) |tst| {
             // Run a test if specified.
             if (r.tests.tests.get(tst)) |func| {
-                const t = ps.thread.create_kernel(ke.Thread.Priority.default, func, boot_info) catch @panic("oom");
+                const t = ps.thread.create_kernel(ke.Thread.Priority.default, func, r.boot_info) catch @panic("oom");
                 ke.sched.enqueue(&t.kern);
             } else {
                 std.log.info("invalid test: \"{s}\"", .{tst});
@@ -35,11 +34,7 @@ export fn kmain(boot_info: *r.BootInfo) callconv(.c) void {
         }
     }
 
-    if (boot_info.framebuffer != null) {
+    if (r.boot_info.framebuffer != null) {
         //   fbconsole.init(boot_info);
     }
-
-    while (true) {
-        std.atomic.spinLoopHint();
-    }
 }

src/ex/root.zig

@@ -7,6 +7,8 @@ pub const DelayedWorkItem = p.work.DelayedWorkItem;
 pub const Console = p.console.Console;
 pub const InternedString = p.string.InternedString;
 
+pub const init = p.init;
+
 pub const work = struct {
     pub const enqueue = p.work.enqueue;
     pub const enqueue_in = p.work.enqueue_in;