1 files changed, 11 insertions, 1 deletions
diff --git a/src/lib/resources.zig b/src/lib/resources.zig
index ade6a51..c79c82e 100644
--- a/src/lib/resources.zig
+++ b/src/lib/resources.zig
@@ -5,6 +5,8 @@
 const std = @import("std");
 
 const Console = @import("Console.zig");
+const instructions = @import("instructions.zig");
+const paging = @import("paging.zig");
 const process = @import("process.zig");
 const syscall = @import("syscall.zig");
 const sysexchange = @import("sysexchange.zig");
@@ -20,7 +22,15 @@ const File = tar.Iterator(io.FixedBufferStream([]const u8).Reader).File;
 const iofs = struct {
     const debug = struct {
         fn write(ptr: [*]const u8, len: usize) callconv(.C) Result(usize) {
-            const bytes = ptr[0..len];
+            // Raise page fault if applicable.
+            if (len > 0) {
+                std.mem.doNotOptimizeAway(ptr[0]);
+            }
+
+            const procmem: *paging.Table = @ptrFromInt(instructions.satp.read().ppn << 12);
+            const paddr = procmem.translate(@intFromPtr(ptr)).?;
+            const pptr: [*]const u8 = @ptrFromInt(paddr);
+            const bytes = pptr[0..len];
 
             const console = Console.autoChoose() orelse {
                 return Result(usize).fromAnyTypeOrError(Error.NoConsole);