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implement std.time.sleep for uefi

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xdBronch 2023-07-04 01:00:37 -04:00 committed by Andrew Kelley
parent 2e424e019f
commit 80404cc928
1 changed files with 8 additions and 0 deletions
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8
lib/std/time.zig
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@ -46,6 +46,14 @@ pub fn sleep(nanoseconds: u64) void {
return;
}
if (builtin.os.tag == .uefi) {
const boot_services = os.uefi.system_table.boot_services.?;
const us_from_ns = nanoseconds / ns_per_us;
const us = math.cast(usize, us_from_ns) orelse math.maxInt(usize);
_ = boot_services.stall(us);
return;
}
const s = nanoseconds / ns_per_s;
const ns = nanoseconds % ns_per_s;
std.os.nanosleep(s, ns);