Ticket #80: patch-20070714-1-legacy-serial-table

Index: arch/x86/archtables.c
===================================================================
--- arch/x86/archtables.c       (revision 453)
+++ arch/x86/archtables.c       (working copy)
@@ -25,6 +25,7 @@
 #include <console.h>
 #include <string.h>
 #include <tables.h>
+#include <uart8250.h>
 //#include <cpu/cpu.h>
 //#include <pirq_routing.h>
 //#include <smp/mpspec.h>
@@ -40,6 +41,11 @@
        unsigned int base;
 } __attribute__((packed));
 
+void write_legacy_tables() {
+       u16* serial_port_table = 0x400;
+       serial_port_table[0]=TTYSx_BASE;
+}
+
 #warning enable disabled code in archtables.c
 
 #if 0
@@ -140,6 +146,7 @@
        write_linuxbios_table(
                              low_table_start, low_table_end,
                              rom_table_start, rom_table_end);
+       write_legacy_tables();
 
        return get_lb_mem();
 }