Cross-architecture test suite

src/console.zig

@@ -4,6 +4,7 @@
 
 const std = @import("std");
 const danos = @import("danos");
+const arch = @import("arch");
 
 /// The console font, embedded at compile time. cp850-8x16, PSF2 format:
 /// a 32-byte header, then 256 glyphs of 16 bytes each (one byte per 8-pixel
@@ -40,6 +41,8 @@ pub const Console = struct {
     }
 
     pub fn write(self: *Console, bytes: []const u8) void {
+        // Mirror everything to the serial port so it's captured in logs / tests.
+        arch.serialWrite(bytes);
         for (bytes) |c| self.putChar(c);
     }