all: type-safe time units

src/platform/pc/apic.zig

@@ -161,7 +161,7 @@ fn lapic_calibrate(ms: u64) u64 {
     write(.LvtTimer, (1 << 16));
     write(.TimerInitialCount, std.math.maxInt(u32));
 
-    ke.time.sleep(std.time.ns_per_ms * ms);
+    ke.time.sleep(.from(r.Milliseconds.init(ms)));
 
     const ticks = std.math.maxInt(u32) - read(.TimerCurrentCount);
 
@@ -200,7 +200,7 @@ pub fn arm_timer(ns: r.Nanoseconds) void {
     if (amd64.cpu_features.tsc_deadline) {
         const now = amd64.rdtsc();
 
-        const delta: u64 = @intCast((@as(u128, ns) * tsc.tsc_timer.frequency) / std.time.ns_per_s);
+        const delta: u64 = @intCast((@as(u128, ns.value) * tsc.tsc_timer.frequency) / std.time.ns_per_s);
 
         const deadline = now +% delta;
 
@@ -212,7 +212,7 @@ pub fn arm_timer(ns: r.Nanoseconds) void {
     write(.LvtTimer, 1 << 16);
     write(.TimerInitialCount, 0);
 
-    const us = ns / std.time.ns_per_us;
+    const us = ns.to(r.Microseconds).value;
     const ticks: u32 = @truncate(@max(us * timer_ticks_per_us.local().*, 1));
 
     // Setup IRQ.

src/platform/pc/smp.zig

@@ -65,8 +65,8 @@ pub fn init() linksection(r.init) void {
         .Unknown => false,
     };
 
-    const init_delay: usize = if (skip_delay) 0 else std.time.ns_per_ms * 10;
-    const sipi_delay: usize = if (skip_delay) std.time.ns_per_us * 10 else std.time.ns_per_us * 300;
+    const init_delay: r.Nanoseconds = .init(if (skip_delay) 0 else std.time.ns_per_ms * 10);
+    const sipi_delay: r.Nanoseconds = .init(if (skip_delay) std.time.ns_per_us * 10 else std.time.ns_per_us * 300);
 
     const page: [*]u8 = @ptrFromInt(mm.p2v(0x8000));
     @memcpy(page[0..trampoline_size], @as([*]u8, @ptrFromInt(trampoline_start)));

src/platform/pc/tsc.zig

@@ -46,7 +46,7 @@ pub fn init() linksection(r.init) void {
     // Calculate how many ticks it costs to call tc_sleep.
     for (0..calib_cost_runs) |_| {
         const start = amd64.rdtsc();
-        ke.time.sleep(0);
+        ke.time.sleep(.init(0));
         const end = amd64.rdtsc();
         calib_cost += (end - start);
     }
@@ -61,7 +61,7 @@ pub fn init() linksection(r.init) void {
 
     for (0..runs) |i| {
         const start = amd64.rdtsc();
-        ke.time.sleep(calib_time);
+        ke.time.sleep(.init(calib_time));
         const end = amd64.rdtsc();
         freqs[i] = (end - start - calib_cost) * (std.time.ns_per_s / calib_time);
     }

src/platform/root.zig

@@ -33,7 +33,7 @@ pub inline fn debug_read() u8 {
 }
 
 /// Arm a one-shot timer to fire in `ns` nanoseconds.
-pub inline fn arm_timer(ns: u64) void {
+pub inline fn arm_timer(ns: r.Nanoseconds) void {
     return impl.arm_timer(ns);
 }